Annotation of loncom/interface/lonprintout.pm, revision 1.610

1.590     foxr        1: 
1.389     foxr        2: # The LearningOnline Network
1.1       www         3: # Printout
                      4: #
1.610   ! foxr        5: # $Id: lonprintout.pm,v 1.609 2011/11/07 20:05:56 www Exp $
1.11      albertel    6: #
                      7: # Copyright Michigan State University Board of Trustees
                      8: #
                      9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                     10: #
                     11: # LON-CAPA is free software; you can redistribute it and/or modify
                     12: # it under the terms of the GNU General Public License as published by
                     13: # the Free Software Foundation; either version 2 of the License, or
                     14: # (at your option) any later version.
                     15: #
                     16: # LON-CAPA is distributed in the hope that it will be useful,
                     17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     19: # GNU General Public License for more details.
                     20: #
                     21: # You should have received a copy of the GNU General Public License
                     22: # along with LON-CAPA; if not, write to the Free Software
                     23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     24: #
                     25: # /home/httpd/html/adm/gpl.txt
                     26: # http://www.lon-capa.org/
                     27: #
1.3       sakharuk   28: #
1.1       www        29: package Apache::lonprintout;
                     30: use strict;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
                     44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.491     albertel   48: use LONCAPA::map();
1.34      sakharuk   49: use POSIX qw(strftime);
1.255     www        50: use Apache::lonlocal;
1.429     foxr       51: use Carp;
1.439     www        52: use LONCAPA;
1.60      sakharuk   53: 
1.588     foxr       54: 
1.397     albertel   55: my %perm;
1.454     foxr       56: my %parmhash;
1.459     foxr       57: my $resources_printed;
1.454     foxr       58: 
1.515     foxr       59: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     60: #
                     61: 
                     62: my $ssi_error;			# True if there was an ssi error.
                     63: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     64: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     65: 
                     66: #
                     67: #  Our ssi max retry count.
                     68: #
                     69: 
                     70: my $ssi_retry_count = 5;	# Some arbitrary value.
                     71: 
                     72: 
1.556     foxr       73: #  Font size:
                     74: 
                     75: my $font_size = 'normalsize';	# Default is normalsize...
                     76: 
1.562     foxr       77: #----------------------------  Helper helpers. -------------------------
                     78: 
1.590     foxr       79: # BZ5209:
                     80: #    Create the states needed to run the helper for incomplete problems from
                     81: #    the current folder for selected students.
                     82: #    This includes:
                     83: #    -  A resource selector limited to problems (incompleteness must be
                     84: #       calculated on a student per student basis.
                     85: #    -  A student selector.
                     86: #    -  Tie in to the FORMAT of the print job.
                     87: #
                     88: # States:
                     89: #   CHOOSE_INCOMPLETE_PEOPLE_SEQ      - Resource selection.
                     90: #   CHOOSE_STUDENTS_INCOMPLETE        - Student selection.
                     91: #   CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
                     92: # Parameters:
                     93: #    helper - the helper which already contains info about the current folder we can
                     94: #             purloin.
                     95: #    url    - Top url of the sequence
                     96: # Return:
                     97: #     XML that can be parsed by the helper to drive the state machine.
                     98: #
                     99: sub create_incomplete_folder_selstud_helper($helper)
                    100: {
                    101:     my ($helper, $map)  = @_;
                    102: 
                    103: 
                    104:     my $symbFilter = '$res->shown_symb()';
                    105:     my $selFilter   = '$res->is_problem()';
                    106: 
                    107: 
                    108:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
                    109: 						      'Select problem(s) to print',
                    110: 						      'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                    111: 						      'RESOURCES',
                    112: 						      'CHOOSE_STUDENTS_INCOMPLETE',
                    113: 						      $map,
                    114: 						      $selFilter,
                    115: 						      '',
                    116: 						      $symbFilter, 
                    117: 						      '');
                    118: 
                    119:     my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
                    120: 						 'student_sort',
                    121: 						 'STUDENTS',
                    122: 						 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
                    123: 
                    124:     my $format_chooser = &generate_format_selector($helper,
                    125: 						'Format of the print job',
1.598     raeburn   126: 						'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
1.590     foxr      127: 
                    128:     return $resource_chooser . $student_chooser . $format_chooser;
                    129: }  
                    130: 
                    131: 
                    132: # BZ 5209
                    133: #     Create the states needed to run the helper for incomplete problems from
                    134: #     the current folder for selected students.
                    135: #     This includes:
                    136: #     - A resource selector limited to problems.  (incompleteness must be calculated
                    137: #       on a student per student basis.
                    138: #     - A student selector.
                    139: #     - Tie in to format for the print job.
                    140: # States:
                    141: #    INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
                    142: #    INCOMPLETE_PROBLEMS_COURSE_STUDENTS  - Student selector.
                    143: #    INCOMPLETE_PROBLEMS_COURSE_FORMAT    - Format selection.
                    144: #
                    145: # Parameters:
                    146: #   helper   - Helper we are creating states for.
                    147: # Returns:
                    148: #   Text that can be parsed by the helper.
                    149: # 
                    150: 
                    151: sub create_incomplete_course_helper {
                    152:     my $helper = shift;
                    153: 
                    154:     my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                    155:     my $symbfilter = '$res->shown_symb()';
                    156:     
                    157:     my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
                    158: 						      'Select problem(s) to print',
                    159: 						      'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
                    160: 						      'RESOURCES',
                    161: 						      'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    162: 						      '',
                    163: 						      $filter,
                    164: 						      '',
                    165: 						      $symbfilter,
                    166: 						      '');
                    167: 
                    168:     my $people_chooser  = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    169: 						    'student_sort',
                    170: 						    'STUDENTS',
                    171: 						    'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
                    172: 
                    173:     my $format = &generate_format_selector($helper,
                    174: 					   'Format of the print job',
                    175: 					   'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
                    176: 
                    177:     return $resource_chooser . $people_chooser . $format;
                    178: 
                    179: 
                    180: }
                    181: 
                    182: # BZ5209 
                    183: #   Creates the states needed to run the print helper for a student
                    184: #   that wants to print his incomplete problems from the current folder.
                    185: # Parameters:
                    186: #   $helper - helper we are generating states for.
                    187: #   $map    - The map for which the student wants incomplete problems.
                    188: # Returns:
                    189: #   XML that defines the helper states being created.
                    190: #
                    191: # States:
                    192: #   CHOOSE_INCOMPLETE_SEQ  - Resource selector.
                    193: #
                    194: sub create_incomplete_folder_helper {
                    195:     my ($helper, $map) = @_;
                    196: 
                    197:     my $filter    = '$res->is_problem()';
                    198:     $filter      .= ' && $res->resprintable() ';
                    199:     $filter      .= ' && $res->is_incomplete() ';
                    200: 
                    201:     my $symfilter = '$res->shown_symb()';
                    202: 
                    203:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
                    204: 						      'Select problem(s) to print',
                    205: 						      'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
                    206: 						      'RESOURCES',
                    207: 						      'PAGESIZE',
                    208: 						      $map,
                    209: 						      $filter, '', 
                    210: 						      $symfilter,
                    211: 						      '');
                    212: 
                    213:     return $resource_chooser;
                    214: }
                    215: 
                    216: 
                    217: #  Returns the text neded for a student chooser.
1.562     foxr      218: #  that text must still be parsed by the helper xml parser.
                    219: # Parameters:
                    220: #   this_state   - State name of the chooser.
                    221: #   sort_choice  - variable to hold the sorting choice.
                    222: #   variable     - Name of variable to hold students.
                    223: #   next_state   - State after chooser.
                    224: 
                    225: 
                    226: sub generate_student_chooser {
                    227:     my ($this_state, 
                    228: 	$sort_choice, 
                    229: 	$variable, 
                    230: 	$next_state) = @_;
                    231:     my $result = <<CHOOSE_STUDENTS;
                    232:   <state name="$this_state" title="Select Students and Resources">
                    233:       <message><b>Select sorting order of printout</b> </message>
                    234: 
                    235:     <choices variable="$sort_choice">
                    236:       <choice computer='0'>Sort by section then student</choice>
                    237:       <choice computer='1'>Sort by students across sections.</choice>
                    238:     </choices>
                    239: 
                    240:       <message><br /><hr /><br /> </message>
                    241:       <student multichoice='1' 
                    242:                variable="$variable" 
                    243:                nextstate="$next_state" 
                    244:                coursepersonnel="1" />
                    245:   </state>
                    246: 
                    247: CHOOSE_STUDENTS
                    248: 
                    249:   return $result;
                    250: }
                    251: 
                    252: # Generate the text needed for a resource chooser given the top level of
                    253: # the sequence/page
                    254: #
                    255: # Parameters:
                    256: #     this_state    - State name of the chooser.
                    257: #     prompt_text   - Text to use to prompt user.
                    258: #     resource_options - Resource tag options e.g.
                    259: #                        "multichoice='1', toponly='1', addstatus='1'"
                    260: #                     that control the selection and appearance of the
                    261: #                     resource selector.
                    262: #     variable      - Name of the variable to hold the choice
                    263: #     next_state    - Name of the next state the helper should transition
                    264: #                     to
                    265: #     top_url       - Top level URL within which to make the selector.
                    266: #                     If empty the top level sequence is shown.
                    267: #     filter        - How to filter the resources.
                    268: #     value_func    - <valuefunc> function.
                    269: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    270: #     start_new_option 
                    271: #                   - Fragment appended after valuefunc.
                    272: #
                    273: #
                    274: sub generate_resource_chooser {
                    275:     my ($this_state,
                    276: 	$prompt_text,
                    277: 	$resource_options,
                    278: 	$variable,
                    279: 	$next_state,
                    280: 	$top_url,
                    281: 	$filter,
                    282: 	$choice_func,
                    283: 	$value_func,
                    284: 	$start_new_option)  = @_;
                    285: 
                    286:     my $result = <<CHOOSE_RESOURCES;
                    287: <state name="$this_state" title="$prompt_text">
                    288:     <resource variable="$variable" $resource_options
                    289:               closeallpages="1">
                    290:       <nextstate>$next_state</nextstate>
                    291:       <filterfunc>return $filter;</filterfunc>
                    292: CHOOSE_RESOURCES
                    293:     if ($choice_func ne '') {
                    294: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    295:     }
                    296:     if ($top_url ne '') {
                    297: 	$result .=  "<mapurl>$top_url</mapurl>";
                    298:     }
                    299:     $result .= <<CHOOSE_RESOURCES;
                    300:       <valuefunc>return $value_func;</valuefunc>
                    301:       $start_new_option
                    302:       </resource>
                    303:     </state>
                    304: CHOOSE_RESOURCES
                    305:     return $result;
                    306: }
                    307: #
                    308: #   Generate the helper XML for a code choice helper dialog:
                    309: #
                    310: # Paramters:
                    311: #   $helper       - Reference to the helper.
                    312: #   $state        - Name of the state for the chooser.
                    313: #   $next_state   - Name fo the state to follow the chooser.
                    314: #   $bubble_types - Populates the bubble sheet type dropt down.
                    315: #   $code_selections - Provides set of code choices that have been used
                    316: #   $saved_codes  - Provides the list of saved codes.
                    317: #
                    318: # Returns;
                    319: #   The Xml of the code chooser.
                    320: #
                    321: sub generate_code_selector {
                    322:     my ($helper,
                    323: 	$state,
                    324: 	$next_state,
                    325: 	$bubble_types,
                    326: 	$code_selections,
                    327: 	$saved_codes) = @_;	# Unpack the parameters.
                    328: 
                    329:     my $result = <<CHOOSE_ANON1;
                    330:   <state name="$state" title="Specify CODEd Assignments">
                    331:     <nextstate>$next_state</nextstate>
                    332:     <message><h4>Fill out one of the forms below</h4></message>
                    333:     <message><br /><hr /> <br /></message>
                    334:     <message><h3>Generate new CODEd Assignments</h3></message>
                    335:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      336:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      337:        <validator>
                    338: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    339: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    340:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      341: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    342: 
1.562     foxr      343: 	    return "You need to specify the number of assignments to print";
                    344: 	}
1.578     foxr      345:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    346:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    347:             return 'Specifying number of codes to print and a specific code is not compatible';
                    348:         }
1.562     foxr      349: 	return undef;
                    350:        </validator>
                    351:     </string>
                    352:     <message></td></tr><tr><td></message>
                    353:     <message><b>Names to save the CODEs under for later:</b></message>
                    354:     <message></td><td></message>
                    355:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    356:     <message></td></tr><tr><td></message>
1.599     raeburn   357:     <message><b>Bubblesheet type:</b></message>
1.562     foxr      358:     <message></td><td></message>
                    359:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    360:     $bubble_types
                    361:     </dropdown>
                    362:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    363:     <message></td></tr><tr><td></table></message>
                    364:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    365:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    366:     <string variable="SINGLE_CODE" size="10">
                    367:         <validator>
                    368: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    369: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    370: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    371: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    372: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      373: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      374: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      375: 	   } else {
                    376: 	       return undef;	# Other forces control us.
                    377: 	   }
                    378:         </validator>
                    379:     </string>
                    380:     <message></td></tr><tr><td></message>
                    381:         $code_selections
                    382:     <message></td></tr></table></message>
                    383:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    384:     <message><b>Select saved CODEs:</b></message>
                    385:     <message></td><td></message>
                    386:     <dropdown variable="REUSE_OLD_CODES">
                    387:         $saved_codes
                    388:     </dropdown>
                    389:     <message></td></tr></table></message>
                    390:   </state>
                    391: CHOOSE_ANON1
                    392: 
                    393:    return $result;
                    394: }
                    395: 
1.598     raeburn   396: #  Returns the XML for choosing how assignments are to be formatted 
                    397: #  that text must still be parsed by the helper xml parser.
                    398: # Parameters: 3 (required)
                    399: 
                    400: #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
                    401: #                  to check if splitting PDFs by section can be offered.
                    402: #   title        - Title for the current state. 
                    403: #   this_state   - State name of the chooser.
                    404: 
1.586     raeburn   405: sub generate_format_selector {
1.598     raeburn   406:     my ($helper,$title,$this_state) = @_;
1.586     raeburn   407:     my $secpdfoption;
                    408:     unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                    409:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
                    410:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {
                    411:         $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
                    412:     }
                    413:     return <<RESOURCE_SELECTOR;
1.598     raeburn   414:     <state name="$this_state" title="$title">
1.586     raeburn   415:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                    416:     <choices variable="EMPTY_PAGES">
                    417:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                    418:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                    419:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                    420:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
                    421:     </choices>
                    422:     <nextstate>PAGESIZE</nextstate>
                    423:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                    424:     <choices variable="SPLIT_PDFS">
                    425:        <choice computer="all">All assignments in a single PDF file</choice>
                    426:        $secpdfoption
                    427:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                    428:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                    429:             Specify the number of assignments per PDF:</choice>
                    430:     </choices>
                    431:     </state>
                    432: RESOURCE_SELECTOR
                    433: }
                    434: 
1.562     foxr      435: #-----------------------------------------------------------------------
                    436: 
1.591     foxr      437: # Determine if a resource is incomplete given the map:
                    438: # Parameters:
                    439: #   $username - Name of user for whom we are checking.
                    440: #   $domain   - Domain of user we are checking.
                    441: #   $map - map name.
                    442: # Returns:
                    443: #     0 - map is not incomplete.
                    444: #     1 - map is incomplete.
                    445: #
                    446: sub incomplete {
                    447:     my ($username, $domain, $map) = @_;
                    448: 
                    449: 
1.595     foxr      450:     my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
1.591     foxr      451:     
                    452: 
                    453:     if (defined($navmap)) {
                    454: 	my $res = $navmap->getResourceByUrl($map);
                    455: 	my $result = $res->is_incomplete();
                    456: 	return $result;
                    457:     } else {
                    458: 	return 1;
                    459:     }
                    460: }
1.595     foxr      461: #
                    462: #  When printing for students, the resoures and order of the
                    463: #  resources may need to be altered if there are folders with
                    464: #  random selectiopn or random ordering (or both) enabled.
                    465: #  This sub computes the set of resources to print for a student
                    466: #  modified both by random ordering and selection and filtered
                    467: #  to only those that are in the original set selcted to be printed.
                    468: #
                    469: # Parameters:
                    470: #   $helper - The helper we need $helper->{'VARS'}->{'symb'}
                    471: #            to construct the navmap and the iteration.
                    472: #   $seq   - The original set of resources to print 
1.600     foxr      473: #            (really an array of resource names (array of symb's).
1.595     foxr      474: #   $who   - Student/domain for whome the sequence will be generated.
                    475: #
                    476: # Implicit inputs:
                    477: #   $
                    478: # Returns:
                    479: #   reference to an array of resources that can be passed to
                    480: #   print_resources.
                    481: # 
                    482: sub master_seq_to_person_seq {
                    483:     my ($helper, $seq, $who) = @_;
                    484: 
                    485: 
                    486:     my ($username, $userdomain, $usersection) = split(/:/, $who);
                    487: 
1.600     foxr      488: 
1.595     foxr      489:     # Toss the sequence up into a hash so that we have O(1) lookup time.
                    490:     # on the items that come out of the user's list of resources.
                    491:     #
                    492:     
                    493:     my %seq_hash = map {$_  => 1} @$seq;
                    494:     my @output_seq;
                    495:     
                    496:     my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
                    497:     my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain);
                    498:     my $iterator         = $navmap->getIterator($navmap->firstResource(),
                    499: 						$navmap->finishResource(),
                    500: 						{}, 1);
                    501:     my %nonResourceItems = (
                    502: 	$iterator->BEGIN_MAP    => 1,
                    503: 	$iterator->BEGIN_BRANCH => 1,
                    504: 	$iterator->END_BRANCH   => 1,
                    505: 	$iterator->END_MAP      => 1,
                    506: 	$iterator->FORWARD      => 1,
                    507: 	$iterator->BACKWARD     => 1
                    508: 
                    509:     );		# These items are not resources but appear in the midst of iteration.
                    510: 
                    511:     #  Iterate on the resource..select the items that are randomly selected
                    512:     #  and that are in the seq_has.  Presumably the iterator will take care
                    513:     # of the random ordering part of the deal.
                    514:     #
                    515:     my $curres;
                    516:     while ($curres = $iterator->next()) {
                    517: 	#
1.600     foxr      518: 	#  Only process resources..that are not removed by randomout...
                    519: 	#  and are selected for printint as well.
1.595     foxr      520: 	#
1.610   ! foxr      521:      
1.595     foxr      522: 	if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
                    523: 	    my $symb = $curres->symb();
                    524: 	    if (exists $seq_hash{$symb}) {
                    525: 		push(@output_seq, $symb);
                    526: 	    }
                    527: 	}
                    528:     }
                    529:    				
                    530: 
                    531:     return \@output_seq;		# for now.
                    532:     
                    533: }
                    534: 
1.515     foxr      535: 
1.498     foxr      536: # Fetch the contents of a resource, uninterpreted.
                    537: # This is used here to fetch a latex file to be included
                    538: # verbatim into the printout<
                    539: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    540: #
                    541: # Parameters:
                    542: #   URL of the file
                    543: #
                    544: sub fetch_raw_resource {
                    545:     my ($url) = @_;
                    546: 
                    547:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      548:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      549: 
1.500     foxr      550:     if ($contents == -1) {
                    551: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      552:     }
1.500     foxr      553:     return $contents;
1.498     foxr      554: 
                    555:     
                    556: }
                    557: 
1.511     foxr      558: #  Fetch the annotations associated with a URL and 
                    559: #  put a centered 'annotations:' title.
                    560: #  This is all suppressed if the annotations are empty.
                    561: #
                    562: sub annotate {
                    563:     my ($symb) = @_;
                    564: 
1.559     foxr      565:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      566: 
                    567: 
                    568:     my $result = "";
                    569: 
                    570:     if (length($annotation_text) > 0) {
                    571: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    572: 	$result .= "\n";
                    573: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    574: 	$result .= "\n\n";
                    575:     }
                    576:     return $result;
                    577: }
                    578: 
1.556     foxr      579: #
                    580: #   Set a global document font size:
                    581: #   This is done by replacing \begin{document}
                    582: #   with \begin{document}{\some-font-directive
                    583: #   and \end{document} with
                    584: #   }\end{document
                    585: #
                    586: sub set_font_size {
                    587: 
                    588:     my ($text) = @_;
                    589: 
1.575     foxr      590:     # There appear to be cases where the font directive is empty.. in which
                    591:     # case the first substituion would  insert a spurious \ oh happy day.
                    592:     # as this has been the cause of much mystery and hair pulling _sigh_
                    593: 
                    594:     if ($font_size ne '') {
                    595: 
                    596: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    597:     }
1.556     foxr      598:     $text =~ s/\\end{document}/}\\end{document}/;
                    599:     return $text;
                    600: 
                    601: 
                    602: }
                    603: 
1.550     foxr      604: # include_pdf - PDF files are included into the 
                    605: # output as follows:
                    606: #  - The PDF, if necessary, is replicated.
                    607: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    608: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    609: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    610: #
                    611: # Parameters:
                    612: #   pdf_uri   - URI of the PDF file to include.
                    613: #   
                    614: # Returns:
                    615: #  The LaTeX to include.
                    616: #
                    617: # Assumptions:
                    618: #    The uri is actually a PDF file
                    619: #    The postscript will have the includepsheader.ps included.
                    620: #
                    621: #
                    622: sub include_pdf {
                    623:     my ($pdf_uri) = @_;
                    624: 
                    625:     # Where is the file? If not local we'll need to repcopy it:'
                    626: 
                    627:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    628:     if (! -e $file) {
                    629: 	&Apache::lonnet::repcopy($file);
                    630: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    631:     }
                    632: 
                    633:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    634:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    635:     # need tob e converted for this print job:
                    636: 
1.608     raeburn   637:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
                    638:     $file =~ s{(.*)/res/}{$londocroot/res/};
1.550     foxr      639: 
1.608     raeburn   640:     open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.550     foxr      641:     print FILE ("$file\n");
                    642:     close (FILE);
                    643: 
                    644:     # Construct the special to put out.  To do this we need to get the
                    645:     # resulting filename after conversion.  The file will have the same name
                    646:     # but will be in the user's spool directory with converted images.
                    647: 
                    648:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    649:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    650: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    651:     $base =~ s/ /\_/g;
                    652: 
                    653: 
1.551     foxr      654:     my $output = &print_latex_header();
1.550     foxr      655:     $output    .= '\special{ps: _begin_job_ ('
                    656: 	.$base.'.pdf.eps'.
                    657: 	')run _end_job_}';
                    658: 
                    659:     return $output;
                    660: 
                    661: 
                    662: }
                    663: 
1.515     foxr      664: 
                    665: #
1.559     foxr      666: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      667: #                      if the ssi call returns an error we'll retry it up to
                    668: #                      the number of times requested by the caller.
                    669: #                      If we still have a proble, no text is appended to the
                    670: #                      output and we set some global variables.
1.523     raeburn   671: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      672: #                      All of this is supposed to deal with the issues described
                    673: #                      in LonCAPA BZ 5631 see:
                    674: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    675: #                      by informing the user that this happened.
                    676: #
                    677: # Parameters:
                    678: #   resource   - The resource to include.  This is passed directly, without
                    679: #                interpretation to lonnet::ssi.
                    680: #   form       - The form hash parameters that guide the interpretation of the resource
                    681: #                
                    682: #   retries    - Number of retries allowed before giving up completely.
                    683: # Returns:
                    684: #   On success, returns the rendered resource identified by the resource parameter.
                    685: # Side Effects:
                    686: #   The following global variables can be set:
1.523     raeburn   687: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      688: #                               It is up to the caller to initialize this to false
                    689: #                               if desired.
1.523     raeburn   690: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      691: #                               of the resource that could not be rendered by the ssi
                    692: #                               call.
                    693: #    ssi_last_error           - The error string fetched from the ssi response
                    694: #                               in the event of an error.
                    695: #
                    696: sub ssi_with_retries {
                    697:     my ($resource, $retries, %form) = @_;
                    698: 
1.559     foxr      699:     my $target = $form{'grade_target'};
                    700:     my $aom    = $form{'answer_output_mode'};
                    701: 
                    702: 
1.515     foxr      703: 
1.516     foxr      704:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    705:     if (!$response->is_success) {
1.515     foxr      706: 	$ssi_error               = 1;
                    707: 	$ssi_last_error_resource = $resource;
1.516     foxr      708: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   709:         $content='\section*{!!! An error occurred !!!}';	
1.515     foxr      710:     }
1.516     foxr      711: 
                    712:     return $content;
                    713: 
1.515     foxr      714: }
                    715: 
1.524     www       716: sub get_student_view_with_retries {
                    717:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    718: 
                    719:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    720:     if (!$response->is_success) {
                    721:         $ssi_error               = 1;
1.526     www       722:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       723:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   724:         $content='\section*{!!! An error occurred !!!}';
1.524     www       725:     }
                    726:     return $content;
                    727: 
                    728: }
                    729: 
1.486     foxr      730: #
                    731: #   printf_style_subst  item format_string repl
                    732: #  
                    733: # Does printf style substitution for a format string that
                    734: # can have %[n]item in it.. wherever, %[n]item occurs,
                    735: # rep is substituted in format_string.  Note that
                    736: # [n] is an optional integer length.  If provided,
                    737: # repl is truncated to at most [n] characters prior to 
                    738: # substitution.
                    739: #
                    740: sub printf_style_subst {
                    741:     my ($item, $format_string, $repl) = @_;
1.490     foxr      742:     my $result = "";
                    743:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel  744: 	my $fmt = $1;
                    745: 	my $size = $2;
1.486     foxr      746: 	my $subst = $repl;
                    747: 	if ($size ne "") {
                    748: 	    $subst = substr($subst, 0, $size);
1.490     foxr      749: 	    
                    750: 	    #  Here's a nice edge case.. supose the end of the
                    751: 	    #  substring is a \.  In that case may have  just
                    752: 	    #  chopped off a TeX escape... in that case, we append
                    753: 	    #   " " for the trailing character, and let the field 
                    754: 	    #  spill over a bit (sigh).
                    755: 	    #  We don't just chop off the last character in order to deal
                    756: 	    #  with one last pathology, and that would be if substr had
                    757: 	    #  trimmed us to e.g. \\\  
                    758: 
                    759: 
                    760: 	    if ($subst =~ /\\$/) {
                    761: 		$subst .= " ";
                    762: 	    }
1.486     foxr      763: 	}
1.490     foxr      764: 	my $item_pos = pos($format_string);
                    765: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                    766:         $format_string = substr($format_string, pos($format_string));
1.486     foxr      767:     }
1.490     foxr      768: 
                    769:     # Put the residual format string into the result:
                    770: 
                    771:     $result .= $format_string;
                    772: 
                    773:     return $result;
1.486     foxr      774: }
                    775: 
1.454     foxr      776: 
                    777: # Format a header according to a format.  
                    778: # 
                    779: 
                    780: # Substitutions:
                    781: #     %a    - Assignment name.
                    782: #     %c    - Course name.
                    783: #     %n    - Student name.
1.537     foxr      784: #     %s    - The section if it is supplied.
1.454     foxr      785: #
                    786: sub format_page_header {
1.537     foxr      787:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                    788: 
1.565     foxr      789: 
                    790: 
1.486     foxr      791:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr      792:     my $chars_per_line = int($width/1.6);   # Character/textline.
                    793: 
1.454     foxr      794:     #  Default format?
                    795: 
                    796:     if ($format eq '') {
1.486     foxr      797: 	# For the default format, we may need to truncate
                    798: 	# elements..  To do this we need to get the page width.
                    799: 	# we assume that each character is about 2mm in width.
                    800: 	# (correct for the header text size??).  We ignore
                    801: 	# any formatting (e.g. boldfacing in this).
                    802: 	# 
                    803: 	# - Allow the student/course to be one line.
                    804: 	#   but only truncate the course.
                    805: 	# - Allow the assignment to be 2 lines (wrapped).
                    806: 	#
1.565     foxr      807: 
1.537     foxr      808: 	
                    809: 
                    810: 	my $name_length    = int($chars_per_line *3 /4);
                    811: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr      812: 
1.537     foxr      813: 	$format  = "%$name_length".'n';
1.486     foxr      814: 
1.537     foxr      815: 	if ($section) {
                    816: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr      817: 	}
1.489     foxr      818: 
1.537     foxr      819: 	$format .= '\\\\%c \\\\ %a';
                    820:         
1.490     foxr      821: 
1.454     foxr      822:     }
1.537     foxr      823:     # An open question is how to handle long user formatted page headers...
                    824:     # A possible future is to support e.g. %na so that the user can control
                    825:     # the truncation of the elements that can appear in the header.
                    826:     #
                    827:     $format =  &printf_style_subst("a", $format, $assignment);
                    828:     $format =  &printf_style_subst("c", $format, $course);
                    829:     $format =  &printf_style_subst("n", $format, $student);
                    830:     $format =  &printf_style_subst("s", $format, $section);
                    831:     
                    832:     
                    833:     # If the user put %'s in the format string, they  must be escaped
                    834:     # to \% else LaTeX will think they are comments and terminate
                    835:     # the line.. which is bad!!!
                    836:     
1.538     onken     837:     # If the user has role author, $course and $assignment are empty so
                    838:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                    839:     if($format =~ /\\\\\s\\\\\s/) {
                    840:         #TODO find sensible caption for page header
                    841:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                    842:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                    843:     }
1.565     foxr      844:     #
                    845:     #  We're going to trust LaTeX to break lines appropriately, but
                    846:     #  we'll truncate anything that's more than 3 lines worth of
                    847:     # text.  This is also assuming (which will probably end badly)
                    848:     # nobody's going to embed LaTeX control sequences in the title
                    849:     # header or rather that those control sequences won't get broken
                    850:     # by the stuff below.
                    851:     #
                    852:     my $total_length = 3*$chars_per_line;
                    853:     if (length($format) > $total_length) {
                    854: 	$format = substr($format, 0, $total_length);
                    855:     }
                    856: 
1.454     foxr      857: 
                    858:     return $format;
                    859:     
                    860: }
1.397     albertel  861: 
1.385     foxr      862: #
                    863: #   Convert a numeric code to letters
                    864: #
                    865: sub num_to_letters {
                    866:     my ($num) = @_;
                    867:     my @nums= split('',$num);
                    868:     my @num_to_let=('A'..'Z');
                    869:     my $word;
                    870:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                    871:     return $word;
                    872: }
                    873: #   Convert a letter code to numeric.
                    874: #
                    875: sub letters_to_num {
                    876:     my ($letters) = @_;
                    877:     my @letters = split('', uc($letters));
1.490     foxr      878:    my %substitution;
1.385     foxr      879:     my $digit = 0;
                    880:     foreach my $letter ('A'..'J') {
                    881: 	$substitution{$letter} = $digit;
                    882: 	$digit++;
                    883:     }
                    884:     #  The substitution is done as below to preserve leading
                    885:     #  zeroes which are needed to keep the code size exact
                    886:     #
                    887:     my $result ="";
                    888:     foreach my $letter (@letters) {
                    889: 	$result.=$substitution{$letter};
                    890:     }
                    891:     return $result;
                    892: }
                    893: 
1.383     foxr      894: #  Determine if a code is a valid numeric code.  Valid
                    895: #  numeric codes must be comprised entirely of digits and
1.384     albertel  896: #  have a correct number of digits.
1.383     foxr      897: #
                    898: #  Parameters:
                    899: #     value      - proposed code value.
1.384     albertel  900: #     num_digits - Number of digits required.
1.383     foxr      901: #
                    902: sub is_valid_numeric_code {
1.384     albertel  903:     my ($value, $num_digits) = @_;
1.383     foxr      904:     #   Remove leading/trailing whitespace;
1.387     foxr      905:     $value =~ s/^\s*//g;
                    906:     $value =~ s/\s*$//g;
1.383     foxr      907:     
                    908:     #  All digits?
1.387     foxr      909:     if ($value !~ /^[0-9]+$/) {
1.383     foxr      910: 	return "Numeric code $value has invalid characters - must only be digits";
                    911:     }
1.384     albertel  912:     if (length($value) != $num_digits) {
                    913: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                    914:     }
1.385     foxr      915:     return undef;
1.383     foxr      916: }
                    917: #   Determines if a code is a valid alhpa code.  Alpha codes
                    918: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel  919: #   They also have a correct digit count.
1.383     foxr      920: # Parameters:
                    921: #     value          - Proposed code value.
1.384     albertel  922: #     num_letters    - correct number of letters.
1.383     foxr      923: # Note:
                    924: #    leading and trailing whitespace are ignored.
                    925: #
                    926: sub is_valid_alpha_code {
1.384     albertel  927:     my ($value, $num_letters) = @_;
1.383     foxr      928:     
                    929:      # strip leading and trailing spaces.
                    930: 
                    931:     $value =~ s/^\s*//g;
                    932:     $value =~ s/\s*$//g;
                    933: 
                    934:     #  All alphas in the right range?
1.384     albertel  935:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr      936: 	return "Invalid letter code $value must only contain A-J";
                    937:     }
1.384     albertel  938:     if (length($value) != $num_letters) {
                    939: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                    940:     }
1.385     foxr      941:     return undef;
1.383     foxr      942: }
                    943: 
1.382     foxr      944: #   Determine if a code entered by the user in a helper is valid.
                    945: #   valid depends on the code type and the type of code selected.
                    946: #   The type of code selected can either be numeric or 
                    947: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                    948: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                    949: #   We'll be nice and be case insensitive for alpha codes.
                    950: # Parameters:
                    951: #    code_value    - the value of the code the user typed in.
                    952: #    code_option   - The code type selected from the set in the scantron format
                    953: #                    table.
                    954: # Returns:
                    955: #    undef         - The code is valid.
                    956: #    other         - An error message indicating what's wrong.
                    957: #
                    958: sub is_code_valid {
                    959:     my ($code_value, $code_option) = @_;
1.383     foxr      960:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn   961:     my @lines = &Apache::grades::get_scantronformat_file();
                    962:     foreach my $line (@lines) {
1.383     foxr      963: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                    964: 	if($name eq $code_option) {
                    965: 	    $code_length = $length;
                    966: 	    if($type eq 'number') {
                    967: 		$code_type = 'number';
                    968: 	    }
                    969: 	}
                    970:     }
                    971:     my $valid;
                    972:     if ($code_type eq 'number') {
1.385     foxr      973: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr      974:     } else {
1.385     foxr      975: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr      976:     }
1.382     foxr      977: 
                    978: }
                    979: 
1.341     foxr      980: #   Compare two students by name.  The students are in the form
                    981: #   returned by the helper:
                    982: #      user:domain:section:last,   first:status
                    983: #   This is a helper function for the perl sort built-in  therefore:
                    984: # Implicit Inputs:
                    985: #    $a     - The first element to compare (global)
                    986: #    $b     - The second element to compare (global)
                    987: # Returns:
                    988: #   -1   - $a < $b
                    989: #    0   - $a == $b
                    990: #   +1   - $a > $b
                    991: #   Note that the initial comparison is done on the last names with the
                    992: #   first names only used to break the tie.
                    993: #
                    994: #
                    995: sub compare_names {
                    996:     #  First split the names up into the primary fields.
                    997: 
                    998:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                    999:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1000: 
                   1001:     # Now split the last name and first name of each n:
                   1002:     #
                   1003: 
                   1004:     my ($l1,$f1) = split(/,/, $n1);
                   1005:     my ($l2,$f2) = split(/,/, $n2);
                   1006: 
                   1007:     # We don't bother to remove the leading/trailing whitespace from the
                   1008:     # firstname, unless the last names compare identical.
                   1009: 
                   1010:     if($l1 lt $l2) {
                   1011: 	return -1;
                   1012:     }
                   1013:     if($l1 gt $l2) {
                   1014: 	return  1;
                   1015:     }
                   1016: 
                   1017:     # Break the tie on the first name, but there are leading (possibly trailing
                   1018:     # whitespaces to get rid of first 
                   1019:     #
                   1020:     $f1 =~ s/^\s+//;		# Remove leading...
                   1021:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                   1022:     
                   1023:     $f2 =~ s/^\s+//;
                   1024:     $f2 =~ s/\s+$//;		# And the same for first 2...
                   1025: 
                   1026:     if($f1 lt $f2) {
                   1027: 	return -1;
                   1028:     }
                   1029:     if($f1 gt $f2) {
                   1030: 	return 1;
                   1031:     }
                   1032:     
                   1033:     #  Must be the same name.
                   1034: 
                   1035:     return 0;
                   1036: }
                   1037: 
1.71      sakharuk 1038: sub latex_header_footer_remove {
                   1039:     my $text = shift;
                   1040:     $text =~ s/\\end{document}//;
                   1041:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                   1042:     return $text;
                   1043: }
1.423     foxr     1044: #
                   1045: #  If necessary, encapsulate text inside 
                   1046: #  a minipage env.
                   1047: #  necessity is determined by the problem_split param.
                   1048: #
                   1049: sub encapsulate_minipage {
                   1050:     my ($text) = @_;
1.427     albertel 1051:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr     1052: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                   1053:     }
                   1054:     return $text;
                   1055: }
1.429     foxr     1056: #
                   1057: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                   1058: #  variables interact, this sub looks at these two parameters
                   1059: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                   1060: #     all     - if SPLIT_PDFS eq 'all'.
                   1061: #     1       - if SPLIT_PDFS eq 'oneper'
                   1062: #     section - if SPLIT_PDFS eq 'sections'
                   1063: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                   1064: #
                   1065: sub adjust_number_to_print {
                   1066:     my $helper = shift;
1.71      sakharuk 1067: 
1.429     foxr     1068:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                   1069:     
                   1070:     if ($split_pdf eq 'all') {
                   1071: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                   1072:     } elsif ($split_pdf eq 'oneper') {
                   1073: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                   1074:     } elsif ($split_pdf eq 'sections') {
                   1075: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                   1076:     } elsif ($split_pdf eq 'usenumber') {
                   1077: 	#  Unmodified.
                   1078:     } else {
                   1079: 	# Error!!!!
1.536     foxr     1080: 	
                   1081: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr     1082: 
                   1083:     }
                   1084: }
1.71      sakharuk 1085: 
1.531     foxr     1086: 
1.37      sakharuk 1087: sub character_chart {
1.531     foxr     1088:     my $result = shift;
                   1089:     return  &Apache::entities::replace_entities($result);
                   1090: }
                   1091: 
                   1092: sub old_character_chart {
1.37      sakharuk 1093:     my $result = shift;	
1.116     sakharuk 1094:     $result =~ s/&\#0?0?(7|9);//g;
                   1095:     $result =~ s/&\#0?(10|13);//g;
                   1096:     $result =~ s/&\#0?32;/ /g;
                   1097:     $result =~ s/&\#0?33;/!/g;
                   1098:     $result =~ s/&(\#0?34|quot);/\"/g;
                   1099:     $result =~ s/&\#0?35;/\\\#/g;
                   1100:     $result =~ s/&\#0?36;/\\\$/g;
                   1101:     $result =~ s/&\#0?37;/\\%/g; 
                   1102:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                   1103:     $result =~ s/&\#(0?39|146);/\'/g;
                   1104:     $result =~ s/&\#0?40;/(/g;
                   1105:     $result =~ s/&\#0?41;/)/g;
                   1106:     $result =~ s/&\#0?42;/\*/g;
                   1107:     $result =~ s/&\#0?43;/\+/g;
                   1108:     $result =~ s/&\#(0?44|130);/,/g;
                   1109:     $result =~ s/&\#0?45;/-/g;
                   1110:     $result =~ s/&\#0?46;/\./g;
                   1111:     $result =~ s/&\#0?47;/\//g;
                   1112:     $result =~ s/&\#0?48;/0/g;
                   1113:     $result =~ s/&\#0?49;/1/g;
                   1114:     $result =~ s/&\#0?50;/2/g;
                   1115:     $result =~ s/&\#0?51;/3/g;
                   1116:     $result =~ s/&\#0?52;/4/g;
                   1117:     $result =~ s/&\#0?53;/5/g;
                   1118:     $result =~ s/&\#0?54;/6/g;
                   1119:     $result =~ s/&\#0?55;/7/g;
                   1120:     $result =~ s/&\#0?56;/8/g;
                   1121:     $result =~ s/&\#0?57;/9/g;
1.269     albertel 1122:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk 1123:     $result =~ s/&\#0?59;/;/g;
                   1124:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk 1125:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                   1126:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk 1127:     $result =~ s/&\#0?63;/\?/g;
                   1128:     $result =~ s/&\#0?65;/A/g;
                   1129:     $result =~ s/&\#0?66;/B/g;
                   1130:     $result =~ s/&\#0?67;/C/g;
                   1131:     $result =~ s/&\#0?68;/D/g;
                   1132:     $result =~ s/&\#0?69;/E/g;
                   1133:     $result =~ s/&\#0?70;/F/g;
                   1134:     $result =~ s/&\#0?71;/G/g;
                   1135:     $result =~ s/&\#0?72;/H/g;
                   1136:     $result =~ s/&\#0?73;/I/g;
                   1137:     $result =~ s/&\#0?74;/J/g;
                   1138:     $result =~ s/&\#0?75;/K/g;
                   1139:     $result =~ s/&\#0?76;/L/g;
                   1140:     $result =~ s/&\#0?77;/M/g;
                   1141:     $result =~ s/&\#0?78;/N/g;
                   1142:     $result =~ s/&\#0?79;/O/g;
                   1143:     $result =~ s/&\#0?80;/P/g;
                   1144:     $result =~ s/&\#0?81;/Q/g;
                   1145:     $result =~ s/&\#0?82;/R/g;
                   1146:     $result =~ s/&\#0?83;/S/g;
                   1147:     $result =~ s/&\#0?84;/T/g;
                   1148:     $result =~ s/&\#0?85;/U/g;
                   1149:     $result =~ s/&\#0?86;/V/g;
                   1150:     $result =~ s/&\#0?87;/W/g;
                   1151:     $result =~ s/&\#0?88;/X/g;
                   1152:     $result =~ s/&\#0?89;/Y/g;
                   1153:     $result =~ s/&\#0?90;/Z/g;
                   1154:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk 1155:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk 1156:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk 1157:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk 1158:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                   1159:     $result =~ s/&\#(0?96|145);/\`/g;
                   1160:     $result =~ s/&\#0?97;/a/g;
                   1161:     $result =~ s/&\#0?98;/b/g;
                   1162:     $result =~ s/&\#0?99;/c/g;
                   1163:     $result =~ s/&\#100;/d/g;
                   1164:     $result =~ s/&\#101;/e/g;
                   1165:     $result =~ s/&\#102;/f/g;
                   1166:     $result =~ s/&\#103;/g/g;
                   1167:     $result =~ s/&\#104;/h/g;
                   1168:     $result =~ s/&\#105;/i/g;
                   1169:     $result =~ s/&\#106;/j/g;
                   1170:     $result =~ s/&\#107;/k/g;
                   1171:     $result =~ s/&\#108;/l/g;
                   1172:     $result =~ s/&\#109;/m/g;
                   1173:     $result =~ s/&\#110;/n/g;
                   1174:     $result =~ s/&\#111;/o/g;
                   1175:     $result =~ s/&\#112;/p/g;
                   1176:     $result =~ s/&\#113;/q/g;
                   1177:     $result =~ s/&\#114;/r/g;
                   1178:     $result =~ s/&\#115;/s/g;
                   1179:     $result =~ s/&\#116;/t/g;
                   1180:     $result =~ s/&\#117;/u/g;
                   1181:     $result =~ s/&\#118;/v/g;
                   1182:     $result =~ s/&\#119;/w/g;
                   1183:     $result =~ s/&\#120;/x/g;
                   1184:     $result =~ s/&\#121;/y/g;
                   1185:     $result =~ s/&\#122;/z/g;
                   1186:     $result =~ s/&\#123;/\\{/g;
                   1187:     $result =~ s/&\#124;/\|/g;
                   1188:     $result =~ s/&\#125;/\\}/g;
                   1189:     $result =~ s/&\#126;/\~/g;
                   1190:     $result =~ s/&\#131;/\\textflorin /g;
                   1191:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk 1192:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                   1193:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                   1194:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk 1195:     $result =~ s/&\#137;/\\textperthousand /g;
                   1196:     $result =~ s/&\#140;/{\\OE}/g;
                   1197:     $result =~ s/&\#147;/\`\`/g;
                   1198:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk 1199:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel 1200:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk 1201:     $result =~ s/&\#151;/---/g;
1.281     sakharuk 1202:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk 1203:     $result =~ s/&\#153;/\\texttrademark /g;
                   1204:     $result =~ s/&\#156;/\\oe/g;
                   1205:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel 1206:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk 1207:     $result =~ s/&(\#161|iexcl);/!\`/g;
                   1208:     $result =~ s/&(\#162|cent);/\\textcent /g;
                   1209:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                   1210:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                   1211:     $result =~ s/&(\#165|yen);/\\textyen /g;
                   1212:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                   1213:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr     1214:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk 1215:     $result =~ s/&(\#169|copy);/\\copyright /g;
                   1216:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk 1217:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk 1218:     $result =~ s/&(\#173|shy);/ - /g;
                   1219:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk 1220:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                   1221:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                   1222:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                   1223:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                   1224:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr     1225:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk 1226:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk 1227:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk 1228:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk 1229:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk 1230:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk 1231:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                   1232:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                   1233:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                   1234:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                   1235:     $result =~ s/&(\#191|iquest);/?\`/g;   
                   1236:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                   1237:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                   1238:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                   1239:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                   1240:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                   1241:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                   1242:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                   1243:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                   1244:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                   1245:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                   1246:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                   1247:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                   1248:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                   1249:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                   1250:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                   1251:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                   1252:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                   1253:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                   1254:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                   1255:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                   1256:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                   1257:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk 1258:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk 1259:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                   1260:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                   1261:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                   1262:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                   1263:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                   1264:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk 1265:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk 1266:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                   1267:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                   1268:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                   1269:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                   1270:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                   1271:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                   1272:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1273:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1274:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1275:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1276:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1277:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1278:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1279:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1280:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1281:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1282:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1283:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1284:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1285:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1286:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1287:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1288:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1289:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1290:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1291:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1292:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1293:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1294:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1295:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1296:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1297:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1298:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1299: #Greek Alphabet
1.281     sakharuk 1300:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1301:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1302:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1303:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1304:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1305:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1306:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1307:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1308:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1309:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1310:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1311:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1312:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1313:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1314:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1315:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1316:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1317:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1318:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1319:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1320:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1321:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1322:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1323:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1324:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1325:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1326:     $result =~ s/&(Alpha|\#913);/A/g;
                   1327:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1328:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1329:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1330:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1331:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1332:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1333:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1334:     $result =~ s/&(Iota|\#921);/I/g;
                   1335:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1336:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1337:     $result =~ s/&(Mu|\#924);/M/g;
                   1338:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1339:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1340:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1341:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1342:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1343:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1344:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1345:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1346:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1347:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1348:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1349:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1350: #Arrows (extended HTML 4.01)
1.281     sakharuk 1351:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1352:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1353:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1354:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1355:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1356:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1357:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1358:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1359:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1360:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1361: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1362:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1363:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1364:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1365:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1366:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1367:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1368:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1369:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1370:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1371:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1372:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1373:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1374:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1375:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1376:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1377:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1378:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1379:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1380:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1381:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1382:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1383:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1384:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1385:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1386:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1387:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1388:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1389:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1390:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1391:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1392:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1393:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1394:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1395:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1396:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1397:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1398:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1399:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1400: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1401:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1402: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1403:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1404:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1405:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1406:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1407: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1408: 
1.495     foxr     1409:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1410:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1411:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1412:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1413:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1414:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1415:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1416:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1417:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1418:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1419:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1420:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1421:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1422: 
                   1423:     # Left/right quotations:
                   1424: 
                   1425:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1426:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1427: 
                   1428: 
1.559     foxr     1429: 
1.37      sakharuk 1430:     return $result;
                   1431: }
1.41      sakharuk 1432: 
                   1433: 
1.327     albertel 1434:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1435: my %page_formats=
                   1436:     ('letter' => {
                   1437: 	 'book' => {
1.493     foxr     1438: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1439: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1440: 	 },
                   1441: 	 'album' => {
1.496     foxr     1442: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1443: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1444: 	 },
                   1445:      },
                   1446:      'legal' => {
                   1447: 	 'book' => {
                   1448: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1449: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1450: 	 },
                   1451: 	 'album' => {
1.376     albertel 1452: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1453:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1454:           },
                   1455:      },
                   1456:      'tabloid' => {
                   1457: 	 'book' => {
                   1458: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1459: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1460: 	 },
                   1461: 	 'album' => {
1.376     albertel 1462: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1463: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1464:           },
                   1465:      },
                   1466:      'executive' => {
                   1467: 	 'book' => {
                   1468: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1469: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1470: 	 },
                   1471: 	 'album' => {
                   1472: 	     '1' => [],
                   1473: 	     '2' => []
                   1474:           },
                   1475:      },
                   1476:      'a2' => {
                   1477: 	 'book' => {
                   1478: 	     '1' => [],
                   1479: 	     '2' => []
                   1480: 	 },
                   1481: 	 'album' => {
                   1482: 	     '1' => [],
                   1483: 	     '2' => []
                   1484:           },
                   1485:      },
                   1486:      'a3' => {
                   1487: 	 'book' => {
                   1488: 	     '1' => [],
                   1489: 	     '2' => []
                   1490: 	 },
                   1491: 	 'album' => {
                   1492: 	     '1' => [],
                   1493: 	     '2' => []
                   1494:           },
                   1495:      },
                   1496:      'a4' => {
                   1497: 	 'book' => {
1.493     foxr     1498: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1499: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1500: 	 },
                   1501: 	 'album' => {
1.496     foxr     1502: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1503: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1504: 	 },
                   1505:      },
                   1506:      'a5' => {
                   1507: 	 'book' => {
                   1508: 	     '1' => [],
                   1509: 	     '2' => []
                   1510: 	 },
                   1511: 	 'album' => {
                   1512: 	     '1' => [],
                   1513: 	     '2' => []
                   1514:           },
                   1515:      },
                   1516:      'a6' => {
                   1517: 	 'book' => {
                   1518: 	     '1' => [],
                   1519: 	     '2' => []
                   1520: 	 },
                   1521: 	 'album' => {
                   1522: 	     '1' => [],
                   1523: 	     '2' => []
                   1524:           },
                   1525:      },
                   1526:      );
                   1527: 
1.177     sakharuk 1528: sub page_format {
1.140     sakharuk 1529: #
1.326     sakharuk 1530: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1531: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1532: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1533: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1534: #                        "A6 [105x148 mm]"
1.140     sakharuk 1535: # 
                   1536:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1537:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1538: }
1.76      sakharuk 1539: 
                   1540: 
1.126     albertel 1541: sub get_name {
                   1542:     my ($uname,$udom)=@_;
1.373     albertel 1543:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1544:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1545:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1546:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1547:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1548:     return $plainname;
1.126     albertel 1549: }
                   1550: 
1.213     albertel 1551: sub get_course {
                   1552:     my $courseidinfo;
1.373     albertel 1553:     if (defined($env{'request.course.id'})) {
1.439     www      1554: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1555: 	my $sec = $env{'request.course.sec'};
                   1556: 	    
1.213     albertel 1557:     }
                   1558:     return $courseidinfo;
                   1559: }
1.177     sakharuk 1560: 
1.76      sakharuk 1561: sub page_format_transformation {
1.312     sakharuk 1562:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1563:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1564: 
1.312     sakharuk 1565:     if ($selectionmade eq '4') {
1.502     foxr     1566: 	if ($choice eq 'all_problems') {
1.561     bisitz   1567:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1568: 	} else {
1.561     bisitz   1569:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1570: 	}
1.312     sakharuk 1571:     } else {
                   1572: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1573:     }
1.261     sakharuk 1574:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1575: 
                   1576: 
1.126     albertel 1577:     my $name = &get_name();
1.213     albertel 1578:     my $courseidinfo = &get_course();
1.455     albertel 1579:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1580:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1581: 					   $courseidinfo, $name);
1.319     sakharuk 1582:     my $topmargintoinsert = '';
                   1583:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1584:     my $fancypagestatement='';
                   1585:     if ($numberofcolumns eq '2') {
1.455     albertel 1586: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1587:     } else {
1.455     albertel 1588: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1589:     }
1.140     sakharuk 1590:     if ($layout eq 'album') {
1.550     foxr     1591: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$oddoffset}\\setlength{\\evensidemargin}{$evenoffset}$topmargintoinsert\n\\setlength{\\textwidth}{$textwidth}\\setlength{\\textheight}{$textheight}\\setlength{\\textfloatsep}{8pt plus 2\.0pt minus 4\.0pt}\n\\newlength{\\minipagewidth}\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\usepackage{fancyhdr}\\addtolength{\\headheight}{\\baselineskip}\n\\pagestyle{fancy}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1592:     } elsif ($layout eq 'book') {
                   1593: 	if ($choice ne 'All class print') { 
1.550     foxr     1594: 	    $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 1595: 	} else {
1.550     foxr     1596: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1597: 	}
1.326     sakharuk 1598: 	if ($papersize eq 'a4') {
1.575     foxr     1599: 	    my $papersize_text;
                   1600: 	    if ($perm{'pav'}) {
                   1601: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1602: 	    } else {
                   1603: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1604: 	    }
                   1605: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1606: 	}
                   1607:     }
1.214     sakharuk 1608:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1609:     if ($indexlist eq 'yes') {
                   1610: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1611: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1612:     }
1.140     sakharuk 1613:     return $text;
                   1614: }
                   1615: 
                   1616: 
1.33      sakharuk 1617: sub page_cleanup {
                   1618:     my $result = shift;	
1.65      sakharuk 1619:  
                   1620:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1621:     my $number_of_columns = $1;
1.33      sakharuk 1622:     my $insert = '{';
1.34      sakharuk 1623:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1624:     $insert .= '}';
1.65      sakharuk 1625:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1626:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1627:     return $result,$number_of_columns;
1.7       sakharuk 1628: }
1.5       sakharuk 1629: 
1.3       sakharuk 1630: 
1.60      sakharuk 1631: sub details_for_menu {
1.335     albertel 1632:     my ($helper)=@_;
1.373     albertel 1633:     my $postdata=$env{'form.postdata'};
1.335     albertel 1634:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1635:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1636:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1637:     return if ( $symbolic eq '');
                   1638: 
1.233     www      1639:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1640:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1641:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1642:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1643: 	$map =~ m|([^/]+)$|;
                   1644: 	$name_of_sequence = $1;
1.63      albertel 1645:     }
1.373     albertel 1646:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1647:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1648: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1649: 	$name_of_map = $1;
                   1650:     }
1.335     albertel 1651:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1652: }
                   1653: 
1.476     albertel 1654: sub copyright_line {
                   1655:     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 } ';
                   1656: }
                   1657: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1658: 
                   1659: sub latex_corrections {
1.408     albertel 1660:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1661: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1662:     my $copyright = &copyright_line();
1.408     albertel 1663:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1664: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1665:     } else {
1.476     albertel 1666: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1667:     }
1.476     albertel 1668:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1669:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1670:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1671: #-- LaTeX corrections     
                   1672:     my $first_comment = index($result,'<!--',0);
                   1673:     while ($first_comment != -1) {
                   1674: 	my $end_comment = index($result,'-->',$first_comment);
                   1675: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1676: 	$first_comment = index($result,'<!--',$first_comment);
                   1677:     }
                   1678:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1679:     #removes more than one empty space
                   1680:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1681:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1682:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1683:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1684:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1685:     #conversion of html characters to LaTeX equivalents
                   1686:     if ($result =~ m/&(\w+|#\d+);/) {
                   1687: 	$result = &character_chart($result);
                   1688:     }
                   1689:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1690:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1691:     return $result;
1.60      sakharuk 1692: }
                   1693: 
1.3       sakharuk 1694: 
1.214     sakharuk 1695: sub index_table {
                   1696:     my $currentURL = shift;
                   1697:     my $insex_string='';
                   1698:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1699:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1700:     return $insex_string;
                   1701: }
                   1702: 
                   1703: 
1.215     sakharuk 1704: sub IndexCreation {
                   1705:     my ($texversion,$currentURL)=@_;
                   1706:     my @key_words=split(/,/,&index_table($currentURL));
                   1707:     my $chunk='';
                   1708:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1709:     if ($st>0) {
                   1710: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1711: 	$chunk=substr($texversion,0,$st+1);
                   1712: 	substr($texversion,0,$st+1)=' ';
                   1713:     }
                   1714:     foreach my $key_word (@key_words) {
                   1715: 	if ($key_word=~/\S+/) {
                   1716: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1717: 	}
                   1718:     }			
                   1719:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1720:     return $texversion;
                   1721: }
                   1722: 
1.242     sakharuk 1723: sub print_latex_header {
                   1724:     my $mode=shift;
1.550     foxr     1725: 
                   1726:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1727: }
                   1728: 
                   1729: sub path_to_problem {
1.328     albertel 1730:     my ($urlp,$colwidth)=@_;
1.404     albertel 1731:     $urlp=&Apache::lonnet::clutter($urlp);
                   1732: 
1.242     sakharuk 1733:     my $newurlp = '';
1.328     albertel 1734:     $colwidth=~s/\s*mm\s*$//;
                   1735: #characters average about 2 mm in width
1.360     albertel 1736:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 1737: 	my @elements = split('/',$urlp);
1.328     albertel 1738: 	my $curlength=0;
                   1739: 	foreach my $element (@elements) {
1.404     albertel 1740: 	    if ($element eq '') { next; }
1.328     albertel 1741: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 1742: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   1743: 		$curlength=length($element)*2;
1.328     albertel 1744: 	    } else {
                   1745: 		$curlength+=length($element)*2;
1.242     sakharuk 1746: 	    }
1.328     albertel 1747: 	    $newurlp.='/'.$element;
1.242     sakharuk 1748: 	}
1.253     sakharuk 1749:     } else {
                   1750: 	$newurlp=$urlp;
1.242     sakharuk 1751:     }
                   1752:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   1753: }
1.215     sakharuk 1754: 
1.275     sakharuk 1755: sub recalcto_mm {
                   1756:     my $textwidth=shift;
                   1757:     my $LaTeXwidth;
1.339     albertel 1758:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 1759: 	$LaTeXwidth = $1*10;
1.339     albertel 1760:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 1761: 	$LaTeXwidth = $1;
1.339     albertel 1762:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 1763: 	$LaTeXwidth = $1*25.4;
                   1764:     }
                   1765:     $LaTeXwidth.=' mm';
                   1766:     return $LaTeXwidth;
                   1767: }
                   1768: 
1.285     albertel 1769: sub get_textwidth {
                   1770:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 1771:     my $textwidth=$LaTeXwidth;
1.285     albertel 1772:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   1773: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 1774: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   1775: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 1776:     }
1.286     albertel 1777:     return $textwidth;
1.285     albertel 1778: }
                   1779: 
1.296     sakharuk 1780: 
                   1781: sub unsupported {
1.414     albertel 1782:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 1783:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 1784:     my $result.= &print_latex_header($mode);
1.414     albertel 1785:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1786: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1787: 	my $title=&Apache::lonnet::gettitle($symb);
                   1788: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1789: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 1790:     } else {
                   1791: 	$result.=$currentURL;
                   1792:     }
1.419     albertel 1793:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 1794:     return $result;
                   1795: }
                   1796: 
1.559     foxr     1797: #
                   1798: #  Map from helper layout style to the book/album:
                   1799: #
                   1800: sub map_laystyle {
                   1801:     my ($laystyle) = @_;
                   1802:     if ($laystyle eq 'L') {
                   1803: 	$laystyle='album';
                   1804:     } else {
                   1805: 	$laystyle='book';
                   1806:     }
                   1807:     return $laystyle;
                   1808: }
                   1809: 
                   1810: sub print_page_in_course {
                   1811:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
1.602     www      1812: 
1.559     foxr     1813:     my %parmhash       = %$rparmhash;
                   1814:     my @page_resources = @$resources;
                   1815:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   1816:     my $symb = $helper->{'VARS'}->{'symb'};
                   1817: 
                   1818: 
                   1819:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   1820: 
                   1821: 
                   1822:     my @temporary_array=split /\|/,$format_from_helper;
                   1823:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   1824:     $laystyle = &map_laystyle($laystyle);
                   1825:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   1826: 								      $numberofcolumns);
                   1827:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   1828: 
                   1829: 
                   1830:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     1831:     my $result   =    &print_latex_header($mode);
1.559     foxr     1832:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   1833: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   1834: 	my $title=&Apache::lonnet::gettitle($symb);
                   1835: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   1836:     } else {
1.582     raeburn  1837:         my $esc_currentURL= $currentURL;
                   1838:         $esc_currentURL =~ s/_/\\_/g;
                   1839: 	$result.=$esc_currentURL;
1.559     foxr     1840:     }
                   1841:     $result .= '\\\\';
                   1842: 
                   1843:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   1844: 	&Apache::lonnet::appenv({'construct.style' =>
                   1845: 				$helper->{'VARS'}->{'style_file'}});
                   1846:     } elsif ($env{'construct.style'}) {
                   1847: 	&Apache::lonnet::delenv('construct.style');
                   1848:     }
                   1849: 
                   1850:     # First is the overall page description.  This is then followed by the 
                   1851:     # components of the page. Each of which must be printed independently.
1.564     foxr     1852:     my $the_page = shift(@page_resources); 
1.559     foxr     1853: 
                   1854: 
                   1855:     foreach my $resource (@page_resources) {
                   1856: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   1857: 	$result           .= $resource->title() . '\\\\';
                   1858: 
                   1859: 	# Recurse if a .page:
                   1860: 
                   1861: 	if ($resource_src =~ /.page$/i) {
                   1862: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   1863: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   1864: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   1865: 						       $resource_src, \@page_resources);
                   1866: 	}
                   1867: 	# these resources go through the XML transformer:
                   1868: 
1.602     www      1869: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {
                   1870: 
1.559     foxr     1871: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
1.602     www      1872: 
1.559     foxr     1873: 	    my %form;
                   1874: 	    my %moreenv;
                   1875: 
                   1876: 	    &Apache::lonxml::remember_problem_counter();
                   1877: 	    $moreenv{'request.filename'}=$urlp;
                   1878: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   1879: 
                   1880: 	    $form{'grade_target'}  = 'tex';
                   1881: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  1882: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     1883: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   1884: 	    
                   1885: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1886: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   1887: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   1888: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   1889: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   1890: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   1891: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   1892: 		$form{'problem_split'}='yes';
                   1893: 	    }
                   1894: 	    my $rndseed = time;
                   1895: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   1896: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   1897: 	    }
                   1898: 	    $form{'rndseed'}=$rndseed;
                   1899: 	    &Apache::lonnet::appenv(\%moreenv);
                   1900: 	    
                   1901: 	    &Apache::lonxml::clear_problem_counter();
                   1902: 
                   1903: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   1904: 
                   1905: 
                   1906: 	    # current document with answers.. no need to encap in minipage
                   1907: 	    #  since there's only one answer.
                   1908: 
                   1909: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   1910: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   1911: 		my %answerform = %form;
                   1912: 
                   1913: 
                   1914: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   1915: 		$answerform{'grade_target'}='answer';
                   1916: 		$answerform{'answer_output_mode'}='tex';
                   1917: 		$answerform{'rndseed'}=$rndseed;
                   1918:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   1919: 		    $answerform{'problemtype'}='exam';
                   1920: 		}
                   1921: 		$resources_printed .= $urlp.':';
                   1922: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   1923: 
                   1924: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   1925: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   1926: 		} else {
1.562     foxr     1927: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     1928: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   1929: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   1930: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   1931: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   1932: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   1933: 		    } else {
1.602     www      1934: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
                   1935:                         &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   1936: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
1.559     foxr     1937: 		    }
                   1938: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   1939: 		}
                   1940: 
                   1941: 
                   1942: 		
                   1943: 
                   1944: 	    
                   1945: 	    }
                   1946: 	    # Print annotations.
                   1947: 
                   1948: 
                   1949: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   1950: 		my $annotation .= &annotate($currentURL);
                   1951: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   1952: 	    }
                   1953: 	    
                   1954: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   1955: 		$texversion=&IndexCreation($texversion,$currentURL);
                   1956: 	    }
                   1957: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   1958: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   1959: 
                   1960: 	    }
1.562     foxr     1961: 	    $texversion = &latex_header_footer_remove($texversion);
                   1962: 
                   1963: 	    # the first remaining line is a comment from londefdef the second
                   1964: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   1965:             # (imperfect removal from header_footer_remove?
                   1966: 
                   1967: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   1968: 
1.559     foxr     1969: 	    $result .= $texversion;
                   1970: 	    if ($currentURL=~m/\.page\s*$/) {
                   1971: 		($result,$numberofcolumns) = &page_cleanup($result);
                   1972: 	    }
                   1973: 	}
                   1974:     }
                   1975: 
                   1976:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   1977:     return $result;
                   1978: }
                   1979: 
1.296     sakharuk 1980: 
1.363     foxr     1981: #
1.395     www      1982: # List of recently generated print files
                   1983: #
                   1984: sub recently_generated {
1.584     raeburn  1985:     my ($prtspool) = @_;
                   1986:     my $output;
1.400     albertel 1987:     my $zip_result;
                   1988:     my $pdf_result;
1.395     www      1989:     opendir(DIR,$prtspool);
1.400     albertel 1990: 
                   1991:     my @files = 
                   1992: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      1993:     closedir(DIR);
1.400     albertel 1994: 
                   1995:     @files = sort {
                   1996: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   1997: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   1998: 	return $bctime <=> $actime;
                   1999:     } (@files);
                   2000: 
                   2001:     foreach my $filename (@files) {
                   2002: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   2003: 	my ($cdev,$cino,$cmode,$cnlink,
                   2004: 	    $cuid,$cgid,$crdev,$csize,
                   2005: 	    $catime,$cmtime,$cctime,
                   2006: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   2007:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   2008: 	my $result=&Apache::loncommon::start_data_table_row()
                   2009:                   .'<td>'
                   2010:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   2011:                   .'</td>'
                   2012:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   2013:                   .'<td align="right">'.$csize.'</td>'
                   2014:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 2015: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   2016: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   2017:     }
1.544     bisitz   2018:     if ($zip_result || $pdf_result) {
1.584     raeburn  2019:         $output ='<hr />';
1.544     bisitz   2020:     }
1.400     albertel 2021:     if ($zip_result) {
1.584     raeburn  2022: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   2023:                   .&Apache::loncommon::start_data_table()
                   2024:                   .&Apache::loncommon::start_data_table_header_row()
                   2025:                   .'<th>'.&mt('Download').'</th>'
                   2026:                   .'<th>'.&mt('Creation Date').'</th>'
                   2027:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2028:                   .&Apache::loncommon::end_data_table_header_row()
                   2029:                   .$zip_result
1.584     raeburn  2030:                   .&Apache::loncommon::end_data_table();
1.400     albertel 2031:     }
                   2032:     if ($pdf_result) {
1.584     raeburn  2033: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   2034:                   .&Apache::loncommon::start_data_table()
                   2035:                   .&Apache::loncommon::start_data_table_header_row()
                   2036:                   .'<th>'.&mt('Download').'</th>'
                   2037:                   .'<th>'.&mt('Creation Date').'</th>'
                   2038:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2039:                   .&Apache::loncommon::end_data_table_header_row()
                   2040:                   .$pdf_result
1.584     raeburn  2041:                   .&Apache::loncommon::end_data_table();
1.396     albertel 2042:     }
1.584     raeburn  2043:     return $output;
1.395     www      2044: }
                   2045: 
                   2046: #
1.363     foxr     2047: #   Retrieve the hash of page breaks.
                   2048: #
                   2049: #  Inputs:
                   2050: #    helper   - reference to helper object.
                   2051: #  Outputs
                   2052: #    A reference to a page break hash.
                   2053: #
                   2054: #
1.610   ! foxr     2055: # use Data::Dumper;
1.569     foxr     2056: # sub dump_helper_vars {
1.418     foxr     2057: #    my ($helper) = @_;
                   2058: #    my $helpervars = Dumper($helper->{'VARS'});
                   2059: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   2060: #}
1.363     foxr     2061: 
1.481     albertel 2062: sub get_page_breaks  {
                   2063:     my ($helper) = @_;
                   2064:     my %page_breaks;
                   2065: 
                   2066:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   2067: 	$page_breaks{$break} = 1;
                   2068:     }
                   2069:     return %page_breaks;
                   2070: }
1.569     foxr     2071: # 
                   2072: #   Returns text to insert for any extra vskip prior to the resource.
                   2073: #   Parameters:
                   2074: #     helper   - Reference to the helper object driving the printout.
                   2075: #     resource - Identifies the resource about to be printed.
                   2076: #
                   2077: #   This is done as follows:
                   2078: #    POSSIBLE_RESOURCES has the list of possible resources.
                   2079: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     2080: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   2081: #                       mm. All others are 'in'.
1.569     foxr     2082: #    
                   2083: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   2084: #    of the EXTRASPACE value.
                   2085: #
                   2086: #   In order to speed this up for lengthy printouts, the first time,
                   2087: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   2088: #   EXTRASPACE is turned into an array.
                   2089: #
                   2090: 
                   2091: 
                   2092: my %possible_resources;
1.570     foxr     2093: my %extraspace_mm;
1.569     foxr     2094: my @extraspace;
                   2095: my $skips_loaded       = 0;
                   2096: 
                   2097: #  Function to load the skips hash and array
                   2098: 
                   2099: sub load_skips {
                   2100: 
                   2101:     my ($helper)  = @_;
                   2102: 
                   2103:     #  If this is the first time, unrap the resources and extra spaces:
                   2104: 
                   2105:     if (!$skips_loaded) {
                   2106: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   2107: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   2108: 	my $i = 0;
                   2109: 	foreach my $resource (@resource_list) {
                   2110: 	    $possible_resources{$resource} = $i;
                   2111: 	    $i++;
                   2112: 	}
1.570     foxr     2113: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   2114: 	    $extraspace_mm{$mm_resource} = 1;
                   2115: 	}
1.569     foxr     2116: 	$skips_loaded = 1;
                   2117:     }
                   2118: }
                   2119: 
                   2120: sub get_extra_vspaces {
                   2121:     my ($helper, $resource) = @_;
                   2122: 
                   2123:     &load_skips($helper);
                   2124: 
                   2125:     #  Lookup the resource in the possible resources hash.. that is the index
                   2126:     # into the extraspace array that gives us either an empty string or
                   2127:     # the number of mm to skip:
                   2128: 
                   2129:     my $index = $possible_resources{$resource};
                   2130:     my $skip  = $extraspace[$index];
                   2131: 
                   2132:     my $result = '';
                   2133:     if ($skip ne '') {
1.570     foxr     2134: 	my $units = 'in';
                   2135: 	if (defined($extraspace_mm{$resource})) {
                   2136: 	    $units = 'mm';
                   2137: 	}
                   2138: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     2139:     }
1.570     foxr     2140: 
                   2141: 	
1.569     foxr     2142:     return $result;
                   2143: 
                   2144: 
                   2145: }
                   2146: 
                   2147: #
                   2148: #  The resource chooser part of the helper needs more than just
                   2149: #  the value of the extraspaces var to recover the value into a text
                   2150: #  field option.  This sub produces the required format for the saved var:
                   2151: #  specifically 
                   2152: #    ||| separated fields of the form resourcename=value
                   2153: #
                   2154: #  Parameters:
                   2155: #    $helper     - Refers to the helper we are configuring
                   2156: #  Implicit input:
                   2157: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   2158: #                                          value.
1.570     foxr     2159: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     2160: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   2161: #                                          separated of course.
                   2162: #  Implicit outputs:
1.570     foxr     2163: #     $env{'form.extraspace'}
                   2164: #     $env{'form.extraspace_units'}
1.569     foxr     2165: #
                   2166: sub set_form_extraspace {
                   2167:     my ($helper) = @_;
                   2168: 
                   2169:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   2170:     # may not be the fastest, but this is once per print request so it's not so
                   2171:     # speed critical:
                   2172: 
                   2173:     &load_skips($helper);
                   2174: 
                   2175:     my $result = '';
                   2176: 
                   2177:     foreach my $resource (keys(%possible_resources)) {
                   2178: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   2179: 	$result  .= $resource .'=' . $vskip . '|||';
                   2180:     }
                   2181: 
                   2182:     $env{'form.extraspace'}  = $result;
1.570     foxr     2183:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     2184:     return $result;
                   2185:     
                   2186: }
1.363     foxr     2187: 
1.459     foxr     2188: #  Output a sequence (recursively if neeed)
                   2189: #  from construction space.
                   2190: # Parameters:
                   2191: #    url     = URL of the sequence to print.
                   2192: #    helper  - Reference to the helper hash.
                   2193: #    form    - Copy of the format hash.
                   2194: #    LaTeXWidth
                   2195: # Returns:
                   2196: #   Text to add to the printout.
                   2197: #   NOTE if the first element of the outermost sequence
                   2198: #   is itself a sequence, the outermost caller may need to
                   2199: #   prefix the latex with the page headers stuff.
                   2200: #
                   2201: sub print_construction_sequence {
                   2202:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1.590     foxr     2203: 
1.459     foxr     2204:     my $result;
                   2205:     my $rndseed=time;
                   2206:     if ($helper->{'VARS'}->{'curseed'}) {
                   2207: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   2208:     }
1.606     www      2209:     my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
                   2210: 
1.459     foxr     2211:     # 
                   2212:     #  These make this all support recursing for subsequences.
                   2213:     #
1.491     albertel 2214:     my @order    = @LONCAPA::map::order;
                   2215:     my @resources = @LONCAPA::map::resources; 
1.606     www      2216: 
1.459     foxr     2217:     for (my $member=0;$member<=$#order;$member++) {
                   2218: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   2219: 	my $urlp=$2;
                   2220: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   2221: 	    my $texversion='';
                   2222: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2223: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2224: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2225: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2226: 		$form{'rndseed'}=$rndseed;
                   2227: 		$resources_printed .=$urlp.':';
1.515     foxr     2228: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     2229: 	    }
                   2230: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2231: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
1.609     www      2232: 	       ($urlp=~/$LONCAPA::assess_page_re/)) {
1.459     foxr     2233: 		#  Don't permanently modify %$form...
                   2234: 		my %answerform = %form;
                   2235: 		$answerform{'grade_target'}='answer';
                   2236: 		$answerform{'answer_output_mode'}='tex';
                   2237: 		$answerform{'rndseed'}=$rndseed;
                   2238: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 2239: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     2240: 		$resources_printed .= $urlp.':';
1.515     foxr     2241: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     2242: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2243: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2244: 		} else {
                   2245: 		    # If necessary, encapsulate answer in minipage:
                   2246: 		    
                   2247: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2248: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2249: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   2250: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     2251: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   2252: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   2253: 		    $body = &encapsulate_minipage($body);
                   2254: 		    $texversion.=$body;
                   2255: 		}
                   2256: 	    }
                   2257: 	    $texversion = &latex_header_footer_remove($texversion);
                   2258: 
                   2259: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2260: 		$texversion=&IndexCreation($texversion,$urlp);
                   2261: 	    }
                   2262: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2263: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2264: 	    }
                   2265: 	    $result.=$texversion;
                   2266: 
                   2267: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     2268:  
1.459     foxr     2269: 	    # header:
                   2270: 
                   2271: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   2272: 
                   2273: 	    # IF sequence, recurse:
                   2274: 	    
                   2275: 	    if ($urlp =~ /\.sequence$/) {
1.605     www      2276: 		$result .= &print_construction_sequence($urlp, 
1.459     foxr     2277: 							$helper, %form, 
                   2278: 							$LaTeXwidth);
                   2279: 	    }
1.550     foxr     2280: 	}
                   2281: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2282: 	    my $texversion;
                   2283: 	    if ($member != 0) {
                   2284: 		$texversion .= '\cleardoublepage';
                   2285: 	    }
                   2286: 
                   2287: 	    $texversion .= &include_pdf($urlp);
                   2288: 	    $texversion = &latex_header_footer_remove($texversion);
                   2289: 	    if ($member != $#order) {
                   2290: 		$texversion .= '\\ \cleardoublepage';
                   2291: 	    }
1.551     foxr     2292: 	    
                   2293: 	    $result .= $texversion;
1.550     foxr     2294: 	}
1.459     foxr     2295:     }
                   2296:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2297:     return $result;
                   2298: }
                   2299: 
1.590     foxr     2300: #
                   2301: #  Top level for generating print output.
                   2302: #
                   2303: #  May call print_resources if multiple resources will be printed.
                   2304: #
                   2305: #  The main driver is $selectionmade which reflects the type of print out
                   2306: #  requested:
                   2307: #   Value    Print type:
                   2308: #   1        Print resource that's being looked at.
                   2309: #   2        Print problems in a map or in a page.
                   2310: #   3        Print pages in a map or resources in a page.
                   2311: #   4        Print all problems  or all resources.
                   2312: #   5        Print problems for seleted students.
                   2313: #   6        Print selected problems from a folder.
                   2314: #   7        Print print selected resources from some scope.
                   2315: #   8        Print resources for selected students.
                   2316: #
                   2317: #BZ 5209
                   2318: #   2        map_incomplete_problems_seq Print incomplete problems from the current
                   2319: #            folder in student context.
1.591     foxr     2320: #   5      map_incomplete_problems_people_seq Print incomplete problems from the
1.590     foxr     2321: #            current folder in privileged context.
1.591     foxr     2322: #    5      incomplete_problems_selpeople_course Print incomplete problems for
1.590     foxr     2323: #            selected people from the entire course.
                   2324: #
                   2325: #   Item 101 has much the same processing as 8,
                   2326: #
                   2327: #  Differences:  Item 101, 102 require per-student filtering of the resource
                   2328: #  set so that only the incomplete resources are printed.
                   2329: #  For item 100, filtering was done at the helper level.
                   2330: 
1.177     sakharuk 2331: sub output_data {
1.184     sakharuk 2332:     my ($r,$helper,$rparmhash) = @_;
                   2333:     my %parmhash = %$rparmhash;
1.515     foxr     2334:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2335:     $resources_printed = '';
1.556     foxr     2336:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.590     foxr     2337:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
1.499     foxr     2338:     my $do_postprocessing = 1;
1.433     albertel 2339:     my $js = <<ENDPART;
                   2340: <script type="text/javascript">
1.264     sakharuk 2341:     var editbrowser;
                   2342:     function openbrowser(formname,elementname,only,omit) {
                   2343:         var url = '/res/?';
                   2344:         if (editbrowser == null) {
                   2345:             url += 'launch=1&';
                   2346:         }
                   2347:         url += 'catalogmode=interactive&';
                   2348:         url += 'mode=parmset&';
                   2349:         url += 'form=' + formname + '&';
                   2350:         if (only != null) {
                   2351:             url += 'only=' + only + '&';
                   2352:         } 
                   2353:         if (omit != null) {
                   2354:             url += 'omit=' + omit + '&';
                   2355:         }
                   2356:         url += 'element=' + elementname + '';
                   2357:         var title = 'Browser';
                   2358:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2359:         options += ',width=700,height=600';
                   2360:         editbrowser = open(url,title,options,'1');
                   2361:         editbrowser.focus();
                   2362:     }
                   2363: </script>
1.140     sakharuk 2364: ENDPART
                   2365: 
1.512     foxr     2366: 
1.558     bisitz   2367:     # Breadcrumbs
                   2368:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2369:     my $brcrum = [{'href' => '',
                   2370:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2371:                   {'href' => '',
                   2372:                    'text' => 'Preparing Printout'}];
                   2373: 
                   2374:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2375:                                                      $js,
                   2376:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2377:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2378: 
1.433     albertel 2379:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2380: 
1.363     foxr     2381:     # fetch the pagebreaks and store them in the course environment
                   2382:     # The page breaks will be pulled into the hash %page_breaks which is
                   2383:     # indexed by symb and contains 1's for each break.
                   2384: 
1.373     albertel 2385:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2386:     &set_form_extraspace($helper);
1.590     foxr     2387:     $env{'form.lastprinttype'} = $print_type; 
1.363     foxr     2388:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2389: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2390: 					       'extraspace'    => 'scalar',
1.570     foxr     2391: 					       'extraspace_units' => 'scalar',
1.366     foxr     2392: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2393:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2394: 
1.140     sakharuk 2395:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2396:     my ($result,$selectionmade) = ('','');
                   2397:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2398:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2399:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2400: 
                   2401:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2402:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2403:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2404:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2405:     my @print_array=();
1.274     sakharuk 2406:     my @student_names=();
1.360     albertel 2407: 
1.512     foxr     2408:      
1.360     albertel 2409:     #  Common settings for the %form has:
                   2410:     # In some cases these settings get overriddent by specific cases, but the
                   2411:     # settings are common enough to make it worthwhile factoring them out
                   2412:     # here.
                   2413:     #
                   2414:     my %form;
                   2415:     $form{'grade_target'} = 'tex';
                   2416:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2417:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2418: 
                   2419:     # If form.showallfoils is set, then request all foils be shown:
                   2420:     # privilege will be enforced both by not allowing the 
                   2421:     # check box selecting this option to be presnt unless it's ok,
                   2422:     # and by lonresponse's priv. check.
                   2423:     # The if is here because lonresponse.pm only cares that
                   2424:     # showallfoils is defined, not what the value is.
                   2425: 
                   2426:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2427: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2428:     }
1.504     albertel 2429:     
                   2430:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2431: 	&Apache::lonnet::appenv({'construct.style' =>
                   2432: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2433:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2434: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2435:     }
                   2436: 
1.590     foxr     2437:     if ($print_type eq 'current_document') {
1.143     sakharuk 2438:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2439: 	my ($currentURL,$cleanURL);
1.375     foxr     2440: 
1.162     sakharuk 2441: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2442:             #prints published resource
1.153     sakharuk 2443: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2444: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2445: 	} else {
1.512     foxr     2446: 
1.185     sakharuk 2447:             #prints resource from the construction space
1.602     www      2448: 	    $currentURL=$helper->{'VARS'}->{'filename'};
1.343     albertel 2449: 	    $cleanURL=$currentURL;
1.143     sakharuk 2450: 	}
1.140     sakharuk 2451: 	$selectionmade = 1;
1.602     www      2452:       
1.413     albertel 2453: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2454: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2455: 	    my $rndseed=time;
1.242     sakharuk 2456: 	    my $texversion='';
                   2457: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2458: 		my %moreenv;
1.343     albertel 2459: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2460:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2461: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2462: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2463: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2464: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2465: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2466: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2467: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2468: 		    $form{'problem_split'}='yes';
                   2469: 		}
1.242     sakharuk 2470: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2471: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2472: 		}
                   2473: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2474: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2475: 
                   2476: 		&Apache::lonxml::clear_problem_counter();
                   2477: 
1.375     foxr     2478: 		$resources_printed .= $currentURL.':';
1.515     foxr     2479: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2480: 
1.511     foxr     2481: 		#  Add annotations if required:
                   2482: 	    
1.428     albertel 2483: 		&Apache::lonxml::clear_problem_counter();
                   2484: 
1.242     sakharuk 2485: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2486: 	    }
1.423     foxr     2487: 	    # current document with answers.. no need to encap in minipage
                   2488: 	    #  since there's only one answer.
                   2489: 
1.242     sakharuk 2490: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2491: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.602     www      2492: 
1.353     foxr     2493: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2494: 		$form{'grade_target'}='answer';
1.167     albertel 2495: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2496: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2497:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2498: 		    $form{'problemtype'}='exam';
                   2499: 		}
1.375     foxr     2500: 		$resources_printed .= $currentURL.':';
1.515     foxr     2501: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2502: 		
                   2503: 
1.242     sakharuk 2504: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2505: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2506: 		} else {
                   2507: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2508: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2509: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2510: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2511: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2512: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2513: 		    } else {
1.602     www      2514: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
                   2515:                         &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   2516: 
                   2517: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2518: 		    }
1.242     sakharuk 2519: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2520: 		}
1.511     foxr     2521: 
                   2522: 
                   2523: 		
                   2524: 
1.550     foxr     2525: 	    
1.511     foxr     2526: 	    }
                   2527: 	    # Print annotations.
                   2528: 
                   2529: 
                   2530: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2531: 		my $annotation .= &annotate($currentURL);
                   2532: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2533: 	    }
1.511     foxr     2534: 
                   2535: 
1.214     sakharuk 2536: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2537: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2538: 	    }
1.219     sakharuk 2539: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2540: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2541: 
                   2542: 	    }
1.162     sakharuk 2543: 	    $result .= $texversion;
                   2544: 	    if ($currentURL=~m/\.page\s*$/) {
                   2545: 		($result,$number_of_columns) = &page_cleanup($result);
                   2546: 	    }
1.413     albertel 2547:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2548: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.459     foxr     2549: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2550: 						    $LaTeXwidth);
                   2551: 	    $result .= '\end{document}';  
                   2552: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2553: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2554: 	    }
1.459     foxr     2555: 	    # End construction space sequence.
1.456     raeburn  2556: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2557: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2558: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2559: 		$resources_printed .= $currentURL.':';
1.567     foxr     2560: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2561: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2562: 		    my $annotation = &annotate($currentURL);
                   2563: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2564: 		}
1.258     sakharuk 2565: 		$result .= $texversion;
1.550     foxr     2566: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2567: 	    # For this sort of print of a single LaTeX file,
                   2568: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2569: 	    #
                   2570: 
                   2571: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2572: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2573: 		my $annotation = &annotate($currentURL);
                   2574: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2575: 	    }
                   2576: 
1.499     foxr     2577: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2578: 
1.550     foxr     2579: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2580: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2581: 	    $result .= '\end{document}';
1.559     foxr     2582: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2583: 
                   2584: 	    # Determine the set of resources in the map of the page:
                   2585: 
                   2586: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2587: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2588: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2589: 							$cleanURL, \@page_resources);
                   2590: 
                   2591:        
1.162     sakharuk 2592: 	} else {
1.414     albertel 2593: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2594: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2595: 	}
1.590     foxr     2596:     } elsif (($print_type eq 'map_problems')          or
                   2597: 	     ($print_type eq 'map_problems_in_page')  or
                   2598: 	     ($print_type eq 'map_resources_in_page') or
                   2599:              ($print_type eq 'map_problems_pages')    or
                   2600:              ($print_type eq 'all_problems')          or
                   2601: 	     ($print_type eq 'all_resources')         or # BUGBUG
                   2602: 	     ($print_type eq 'select_sequences')      or
                   2603: 	     ($print_type eq 'map_incomplete_problems_seq')
1.582     raeburn  2604: 	     ) {
1.511     foxr     2605: 
1.582     raeburn  2606:  
1.141     sakharuk 2607:         #-- produce an output string
1.590     foxr     2608: 	if (($print_type eq 'map_problems')                or
                   2609: 	    ($print_type eq 'map_incomplete_problems_seq') or
                   2610: 	    ($print_type eq 'map_problems_in_page') ) {
1.296     sakharuk 2611: 	    $selectionmade = 2;
1.590     foxr     2612: 	} elsif (($print_type eq 'map_problems_pages') or
                   2613: 		 ($print_type eq 'map_resources_in_page'))
1.562     foxr     2614: 	{
1.296     sakharuk 2615: 	    $selectionmade = 3;
1.590     foxr     2616: 	} elsif (($print_type eq 'all_problems') 
1.536     foxr     2617: 		 ) {
1.296     sakharuk 2618: 	    $selectionmade = 4;
1.590     foxr     2619: 	} elsif ($print_type eq 'all_resources') {  #BUGBUG
1.354     foxr     2620: 	    $selectionmade = 4;
1.590     foxr     2621: 	} elsif ($print_type eq 'select_sequences') {
1.296     sakharuk 2622: 	    $selectionmade = 7;
                   2623: 	}
1.590     foxr     2624: 
1.193     sakharuk 2625: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2626: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2627: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2628: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2629: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2630: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2631: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2632: 	    $form{'problem_split'}='yes';
                   2633: 	}
1.141     sakharuk 2634: 	my $flag_latex_header_remove = 'NO';
                   2635: 	my $flag_page_in_sequence = 'NO';
                   2636: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2637: 	my $prevassignment='';
1.428     albertel 2638: 
                   2639: 	&Apache::lonxml::clear_problem_counter();
                   2640: 
1.416     foxr     2641: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2642: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2643: 
1.521     foxr     2644: 	    &Apache::lonenc::reset_enc();
                   2645: 
                   2646: 
1.350     foxr     2647: 	    # Note due to document structure, not allowed to put \newpage
                   2648: 	    # prior to the first resource
                   2649: 
1.351     foxr     2650: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2651: 		if($i != 0) {
                   2652: 		    $result.="\\newpage\n";
                   2653: 		}
                   2654: 	    }
1.569     foxr     2655: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2656: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2657: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2658: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2659: 
                   2660: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2661: 
1.267     sakharuk 2662: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2663: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2664: 	    my $texversion='';
1.413     albertel 2665: 	    if ($urlp!~m|^/adm/|
                   2666: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2667: 		$resources_printed .= $urlp.':';
1.428     albertel 2668: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2669: 		if ($flag_latex_header_remove eq 'NO') {
                   2670: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2671:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2672:                             (($i==0) &&
                   2673:                              (($urlp=~/\.page$/) ||
1.590     foxr     2674:                               ($print_type eq 'map_problems_in_page') ||
                   2675:                               ($print_type eq 'map_resources_in_page')))) {
1.582     raeburn  2676:                         $flag_latex_header_remove = 'YES';
                   2677:                     }
1.566     foxr     2678: 		}
1.515     foxr     2679: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2680: 		if ($urlp=~/\.page$/) {
                   2681: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2682: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2683: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2684: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2685: 		}
1.428     albertel 2686: 
1.296     sakharuk 2687: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2688: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2689: 		    #  Don't permanently pervert the %form hash
                   2690: 		    my %answerform = %form;
                   2691: 		    $answerform{'grade_target'}='answer';
                   2692: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2693: 		    $resources_printed .= $urlp.':';
1.428     albertel 2694: 
                   2695: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2696: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2697:                     if ($urlp =~ /\.page$/) {
                   2698:                         $answer =~ s/\\end{document}(\d*)$//;
                   2699:                     }
1.296     sakharuk 2700: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2701:                         if ($urlp =~ /\.page$/) {
                   2702:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2703:                             my $lastprob = pop(@probs);
                   2704:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2705:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2706:                         } else {
                   2707:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2708:                         }
1.249     sakharuk 2709: 		    } else {
1.609     www      2710: 			if ($urlp=~/$LONCAPA::assess_page_re/) {
1.296     sakharuk 2711: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2712: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2713: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2714: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2715: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2716: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2717: 			    $body   .='\vskip 1 mm '.$answer;
                   2718: 			    $body    = &encapsulate_minipage($body);
                   2719: 			    $texversion .= $body;
1.296     sakharuk 2720: 			} else {
                   2721: 			    $texversion='';
                   2722: 			}
1.249     sakharuk 2723: 		    }
1.511     foxr     2724: 
1.246     sakharuk 2725: 		}
1.511     foxr     2726: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2727: 		    my $annotation .= &annotate($urlp);
                   2728: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2729: 		}
                   2730: 
1.296     sakharuk 2731: 		if ($flag_latex_header_remove ne 'NO') {
                   2732: 		    $texversion = &latex_header_footer_remove($texversion);
                   2733: 		} else {
                   2734: 		    $texversion =~ s/\\end{document}//;
                   2735: 		}
                   2736: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2737: 		    $texversion=&IndexCreation($texversion,$urlp);
                   2738: 		}
                   2739: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   2740: 		    my $name = &get_name();
                   2741: 		    my $courseidinfo = &get_course();
                   2742: 		    $prevassignment=$assignment;
1.455     albertel 2743: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     2744: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 2745: 							  $assignment, 
                   2746: 							  $courseidinfo, 
                   2747: 							  $name);
1.552     foxr     2748: 
1.417     foxr     2749: 		    if ($numberofcolumns eq '1') {
1.455     albertel 2750: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2751: 		    } else {
1.455     albertel 2752: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     2753: 		    }			
1.296     sakharuk 2754: 		}
                   2755: 		$result .= $texversion;
                   2756: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  2757: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 2758: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2759: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     2760: 		$resources_printed .= $urlp.':';
1.567     foxr     2761: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     2762: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2763: 		    my $annotation = &annotate($urlp);
                   2764: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   2765: 		}
                   2766: 
1.301     sakharuk 2767: 		if ($flag_latex_header_remove ne 'NO') {
                   2768: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     2769: 		} else {	
1.301     sakharuk 2770: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   2771: 		}
                   2772: 		$result .= $texversion;
                   2773: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     2774: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   2775: 		if ($i > 0) {
                   2776: 		    $result .= '\cleardoublepage';
                   2777: 		}
1.580     raeburn  2778:                 my $texfrompdf = &include_pdf($urlp);
                   2779:                 if ($flag_latex_header_remove ne 'NO') {
                   2780:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   2781:                 }
                   2782:                 $result .= $texfrompdf;
1.550     foxr     2783: 		if ($i != $#master_seq) {
                   2784: 		    if ($numberofcolumns eq '1') {
                   2785: 			$result .= '\newpage';
                   2786: 		    } else {
                   2787: 			# the \\'s seem to be needed to let LaTeX know there's something
                   2788: 			# on the page since LaTeX seems to not like to clear an empty page.
                   2789: 			#
                   2790: 			$result .= '\\ \cleardoublepage';
                   2791: 		    }
                   2792: 		}
                   2793: 		$flag_latex_header_remove = 'YES';
                   2794: 
1.141     sakharuk 2795: 	    } else {
1.414     albertel 2796: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2797: 					 $master_seq[$i]);
1.297     sakharuk 2798: 		if ($flag_latex_header_remove ne 'NO') {
                   2799: 		    $texversion = &latex_header_footer_remove($texversion);
                   2800: 		} else {
                   2801: 		    $texversion =~ s/\\end{document}//;
                   2802: 		}
                   2803: 		$result .= $texversion;
                   2804: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  2805: 	    }
1.550     foxr     2806: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   2807: 		last; 
                   2808: 	    }
1.141     sakharuk 2809: 	}
1.428     albertel 2810: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     2811: 	if ($flag_page_in_sequence eq 'YES') {
                   2812: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   2813: 	}	
1.141     sakharuk 2814: 	$result .= '\end{document}';
1.590     foxr     2815:      } elsif (($print_type eq 'problems_for_students')           ||
                   2816: 	      ($print_type eq 'problems_for_students_from_page') ||
                   2817: 	      ($print_type eq 'all_problems_students')           ||
1.591     foxr     2818: 	      ($print_type eq 'resources_for_students')          ||
                   2819: 	      ($print_type eq 'incomplete_problems_selpeople_course') ||
                   2820: 	      ($print_type eq 'map_incomplete_problems_people_seq')){
1.353     foxr     2821: 
                   2822: 
1.150     sakharuk 2823:      #-- prints assignments for whole class or for selected students  
1.284     albertel 2824: 	 my $type;
1.590     foxr     2825: 	 if (($print_type eq 'problems_for_students')           ||
                   2826: 	     ($print_type eq 'problems_for_students_from_page') ||
1.591     foxr     2827: 	     ($print_type eq 'all_problems_students')           ||
                   2828: 	     ($print_type eq 'incomplete_problems_selpeople_course') ||
                   2829: 	     ($print_type eq 'map_incomplete_problems_people_seq')) {
1.254     sakharuk 2830: 	     $selectionmade=5;
1.284     albertel 2831: 	     $type='problems';
1.590     foxr     2832: 	 } elsif ($print_type eq 'resources_for_students') {
1.254     sakharuk 2833: 	     $selectionmade=8;
1.284     albertel 2834: 	     $type='resources';
1.254     sakharuk 2835: 	 }
1.150     sakharuk 2836: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     2837: 	 #   The normal sort order is by section then by students within the
                   2838: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   2839: 	 #   to override this and output the students by name.
                   2840: 	 #    Each element of the students array is of the form:
                   2841: 	 #       username:domain:section:last, first:status
                   2842: 	 #    
1.429     foxr     2843: 	 #  Note that student sort is not compatible with printing 
                   2844: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     2845: 	 #   
1.429     foxr     2846: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   2847: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     2848: 	     @students = sort compare_names  @students;
                   2849: 	 }
1.429     foxr     2850: 	 &adjust_number_to_print($helper);
                   2851: 
1.278     albertel 2852:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   2853: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   2854: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   2855: 	 }
1.429     foxr     2856: 	 # If we are splitting on section boundaries, we need 
                   2857: 	 # to remember that in split_on_sections and 
                   2858: 	 # print all of the students in the list.
                   2859: 	 #
                   2860: 	 my $split_on_sections = 0;
                   2861: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   2862: 	     $split_on_sections = 1;
                   2863: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   2864: 	 }
1.150     sakharuk 2865: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     2866: 
1.150     sakharuk 2867: 	 #loop over students
1.562     foxr     2868: 
                   2869:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 2870: 	 my %moreenv;
1.330     sakharuk 2871:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 2872: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 2873: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2874: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     2875: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     2876: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     2877: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   2878: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2879: 	     $moreenv{'problem_split'}='yes';
                   2880: 	 }
1.318     albertel 2881: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$#students+1,'inline','75');
1.272     sakharuk 2882: 	 my $student_counter=-1;
1.429     foxr     2883: 	 my $i = 0;
1.430     albertel 2884: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 2885: 	 foreach my $person (@students) {
1.373     albertel 2886:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 2887: 	     if (-e $duefile) {
                   2888: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   2889: 		 print $temp_file "1969\n";
                   2890: 	     }
1.272     sakharuk 2891: 	     $student_counter++;
1.429     foxr     2892: 	     if ($split_on_sections) {
1.430     albertel 2893: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     2894: 		 if ($this_section ne $last_section) {
                   2895: 		     $i++;
                   2896: 		     $last_section = $this_section;
                   2897: 		 }
                   2898: 	     } else {
                   2899: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   2900: 	     }
1.595     foxr     2901: 	     my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
1.375     foxr     2902: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     2903: 						     $person,$type,
1.595     foxr     2904: 						     \%moreenv,  $actual_seq,
1.360     albertel 2905: 						     $flag_latex_header_remove,
1.422     albertel 2906: 						     $LaTeXwidth);
1.375     foxr     2907: 	     $resources_printed .= ":";
1.284     albertel 2908: 	     $print_array[$i].=$output;
                   2909: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   2910: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   2911: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 2912: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 2913: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 2914: 	 }
                   2915: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   2916: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     2917:      } elsif (($print_type eq 'problems_for_anon')      ||
                   2918: 	      ($print_type eq 'problems_for_anon_page') ||
                   2919: 	      ($print_type eq 'resources_for_anon')  ) { 
1.373     albertel 2920: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   2921: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 2922: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   2923: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 2924: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     2925: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     2926: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   2927: 
1.381     albertel 2928: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  2929:          my @lines = &Apache::grades::get_scantronformat_file();
1.596     raeburn  2930: 	 my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
1.542     raeburn  2931: 	 foreach my $line (@lines) {
1.596     raeburn  2932:              chomp($line);
                   2933: 	     my ($name,$type,$length,$bubbles_per_item) = 
                   2934:                  (split(/:/,$line))[0,2,4,17];
1.381     albertel 2935: 	     if ($name eq $code_option) {
                   2936: 		 $code_length=$length;
                   2937: 		 if ($type eq 'number') { $code_type = 'number'; }
1.596     raeburn  2938:                  chomp($bubbles_per_item); 
                   2939:                  if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
                   2940:                      $bubbles_per_row = $bubbles_per_item; 
                   2941:                  }
1.381     albertel 2942: 	     }
                   2943: 	 }
1.288     albertel 2944: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     2945: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 2946:          $moreenv{'instructor_comments'}='hide';
1.596     raeburn  2947:          $moreenv{'bubbles_per_row'} = $bubbles_per_row;
1.288     albertel 2948: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 2949: 	 my @allcodes;
                   2950: 	 if ($old_name) {
1.381     albertel 2951: 	     my %result=&Apache::lonnet::get('CODEs',
                   2952: 					     [$old_name,"type\0$old_name"],
                   2953: 					     $cdom,$cnum);
                   2954: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 2955: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 2956: 	     $num_todo=scalar(@allcodes);
1.389     foxr     2957: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     2958: 	     $num_todo = 1;
                   2959: 	     @allcodes = ($selected_code);
1.385     foxr     2960: 	 } elsif ($single_code) {
                   2961: 
1.387     foxr     2962: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     2963: 	     # If an alpha code have to convert to numbers so it can be
                   2964: 	     # converted back to letters again :-)
                   2965: 	     #
                   2966: 	     if ($code_type ne 'number') {
                   2967: 		 $single_code = &letters_to_num($single_code);
                   2968: 	     }
                   2969: 	     @allcodes = ($single_code);
1.292     albertel 2970: 	 } else {
                   2971: 	     my %allcodes;
1.299     albertel 2972: 	     srand($seed);
1.292     albertel 2973: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 2974: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   2975: 					    $code_type);
1.292     albertel 2976: 	     }
                   2977: 	     if ($code_name) {
                   2978: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 2979: 				      {
                   2980: 					$code_name =>join(',',keys(%allcodes)),
                   2981: 					"type\0$code_name" => $code_type
                   2982: 				      },
1.292     albertel 2983: 				      $cdom,$cnum);
                   2984: 	     }
                   2985: 	     @allcodes=keys(%allcodes);
                   2986: 	 }
1.336     albertel 2987: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.590     foxr     2988: 	 my ($type) = split(/_/,$print_type);
1.452     albertel 2989: 	 &adjust_number_to_print($helper);
1.336     albertel 2990: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1.587     foxr     2991: 	 if ($number_per_page eq '0' || $number_per_page eq 'all'
                   2992: 	     || $number_per_page eq 'section') {
                   2993: 	     $number_per_page=$num_todo > 0 ? $num_todo : 1;
1.336     albertel 2994: 	 }
                   2995: 	 my $flag_latex_header_remove = 'NO'; 
                   2996: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,'Print Status','Class Print Status',$num_todo,'inline','75');
1.295     albertel 2997: 	 my $count=0;
1.292     albertel 2998: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 2999: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 3000: 	     if ($code_type eq 'number') { 
                   3001: 		 $moreenv{'CODE'}=$code;
                   3002: 	     } else {
                   3003: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   3004: 	     }
1.375     foxr     3005: 	     my ($output,$fullname, $printed)=
1.288     albertel 3006: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 3007: 				  \@master_seq,$flag_latex_header_remove,
                   3008: 				  $LaTeXwidth);
1.375     foxr     3009: 	     $resources_printed .= ":";
1.295     albertel 3010: 	     $print_array[$file_num].=$output;
1.288     albertel 3011: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   3012: 				       &mt('last assignment').' '.$fullname);
                   3013: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 3014: 	     $count++;
1.331     albertel 3015: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 3016: 	 }
                   3017: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3018: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3019:      } elsif ($print_type eq 'problems_from_directory') {      
1.151     sakharuk 3020:     #prints selected problems from the subdirectory 
                   3021: 	$selectionmade = 6;
                   3022:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 3023: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 3024: 	my $flag_latex_header_remove = 'NO'; 
                   3025: 	my $rndseed=time;
1.230     albertel 3026: 	if ($helper->{'VARS'}->{'curseed'}) {
                   3027: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   3028: 	}
1.151     sakharuk 3029: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     3030: 
                   3031: 	    &Apache::lonenc::reset_enc();
                   3032: 
1.152     sakharuk 3033: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 3034: 	    $urlp=~s|//|/|;
1.152     sakharuk 3035: 	    if ($urlp=~/\//) {
1.353     foxr     3036: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 3037: 		$form{'rndseed'}=$rndseed;
1.603     www      3038: 		$urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.375     foxr     3039: 		$resources_printed .= $urlp.':';
1.515     foxr     3040: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 3041: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 3042: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3043: 		    #  Don't permanently pervert %form:
                   3044: 		    my %answerform = %form;
                   3045: 		    $answerform{'grade_target'}='answer';
                   3046: 		    $answerform{'answer_output_mode'}='tex';
                   3047: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3048: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     3049: 		    $resources_printed .= $urlp.':';
1.515     foxr     3050: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 3051: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3052: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   3053: 		    } else {
1.253     sakharuk 3054: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   3055: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   3056: 			    $texversion.='\vskip 0 mm \noindent ';
                   3057: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   3058: 			} else {
1.604     www      3059: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.
                   3060:                                          &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   3061: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1.253     sakharuk 3062: 			}
                   3063: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 3064: 		    }
1.174     sakharuk 3065: 		}
1.515     foxr     3066:                 #this chunk is responsible for printing the path to problem
                   3067: 
1.603     www      3068: 		my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
1.242     sakharuk 3069: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 3070: 		if ($flag_latex_header_remove ne 'NO') {
                   3071: 		    $texversion = &latex_header_footer_remove($texversion);
                   3072: 		} else {
                   3073: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 3074: 		}
                   3075: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3076: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 3077: 		}
1.219     sakharuk 3078: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   3079: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   3080: 		    
                   3081: 		}
1.152     sakharuk 3082: 		$result .= $texversion;
                   3083: 	    }
                   3084: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 3085: 	}
1.175     sakharuk 3086: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 3087: 	$result .= '\end{document}';      	
1.140     sakharuk 3088:     }
                   3089: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     3090: 
                   3091:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   3092: 
                   3093:     if ($do_postprocessing) {
1.590     foxr     3094: 	$result = &page_format_transformation($papersize,
                   3095: 					      $laystyle,$numberofcolumns,
                   3096: 					      $print_type,$result,
                   3097: 					      $helper->{VARS}->{'assignment'},
                   3098: 					      $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3099: 					      $helper->{'VARS'}->{'TABLE_INDEX'},
                   3100: 					      $selectionmade);
1.499     foxr     3101: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   3102: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   3103: 	#if ($numberofcolumns == 1) {
1.451     albertel 3104: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   3105: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   3106: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   3107: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     3108: 	#}
                   3109:     }
1.367     foxr     3110: 
1.515     foxr     3111:     # Set URLback if this is a construction space print so we can provide
                   3112:     # a link to the resource being edited.
                   3113:     #
1.274     sakharuk 3114: 
1.276     sakharuk 3115:     my $URLback=''; #link to original document
1.510     albertel 3116:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.607     www      3117: 	$URLback=$helper->{'VARS'}->{'filename'};
1.276     sakharuk 3118:     }
1.556     foxr     3119:     #
                   3120:     # Final adjustment of the font size:
                   3121:     #
                   3122: 
                   3123:     $result = set_font_size($result);
1.375     foxr     3124: 
1.525     www      3125: #-- writing .tex file in prtspool 
                   3126:     my $temp_file;
                   3127:     my $identifier = &Apache::loncommon::get_cgi_id();
                   3128:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   3129:     if (!($#print_array>0)) { 
                   3130:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   3131: 	  $r->log_error("Couldn't open $filename for output $!");
                   3132: 	  return SERVER_ERROR; 
                   3133:        }
                   3134:        print $temp_file $result;
                   3135:        my $begin=index($result,'\begin{document}',0);
                   3136:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     3137:     } else {
1.525     www      3138:        my $begin=index($result,'\begin{document}',0);
                   3139:        my $inc=substr($result,0,$begin+16);
                   3140:        for (my $i=0;$i<=$#print_array;$i++) {
                   3141: 	  if ($i==0) {
                   3142: 	      $print_array[$i]=$result;
                   3143: 	  } else {
                   3144: 	      $print_array[$i].='\end{document}';
                   3145: 	      $print_array[$i] = 
                   3146: 		&latex_corrections($number_of_columns,$print_array[$i],
                   3147: 				   $selectionmade, 
                   3148: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     3149: 	    
1.525     www      3150: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   3151: 	      substr($print_array[$i],0,$anobegin)='';
                   3152: 	      $print_array[$i]=$inc.$print_array[$i];
                   3153: 	  }
                   3154: 	  my $temp_file;
                   3155: 	  my $newfilename=$filename;
                   3156: 	  my $num=$i+1;
                   3157: 	  $newfilename =~s/\.tex$//; 
                   3158: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   3159: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   3160: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   3161: 	      return SERVER_ERROR; 
                   3162: 	  }
                   3163: 	  print $temp_file $print_array[$i];
                   3164:        }
                   3165:     }
                   3166:     my $student_names='';
                   3167:     if ($#print_array>0) {
                   3168:         for (my $i=0;$i<=$#print_array;$i++) {
                   3169:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     3170: 	}
1.525     www      3171:     } else {
                   3172: 	if ($#student_names>-1) {
                   3173: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     3174: 	} else {
1.525     www      3175:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   3176: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     3177: 				    $env{'request.course.sec'},$fullname).
                   3178: 					'_ENDPERSON_'.'_END_';
                   3179: 	}
1.525     www      3180:      }
1.515     foxr     3181: 	
1.525     www      3182:      # logic for now is too complex to trace if this has been defined
                   3183:      #  yet.
                   3184:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3185:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3186:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     3187: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   3188: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   3189: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   3190: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   3191: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3192: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   3193: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   3194: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   3195: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  3196: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      3197:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     3198: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   3199: 				"cgi.$identifier.courseid" => $cnum, 
                   3200: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  3201: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     3202: 	
1.525     www      3203:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  3204:     my $continue_text = &mt('Continue');
1.525     www      3205:     # If there's been an unrecoverable SSI error, report it to the user
                   3206:     if ($ssi_error) {
                   3207:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   3208:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      3209:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   3210:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   3211:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  3212:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      3213:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   3214:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  3215:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      3216:     } else {
1.515     foxr     3217: 	$r->print(<<FINALEND);
1.317     albertel 3218: <br />
1.288     albertel 3219: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  3220: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 3221: $end_page
1.140     sakharuk 3222: FINALEND
1.528     raeburn  3223:     }                                     # endif ssi errors.
1.140     sakharuk 3224: }
                   3225: 
1.288     albertel 3226: 
                   3227: sub get_CODE {
1.381     albertel 3228:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 3229:     my $max='1'.'0'x$size;
                   3230:     my $newcode;
                   3231:     while(1) {
1.392     albertel 3232: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 3233: 	if (!exists($$all_codes{$newcode})) {
                   3234: 	    $$all_codes{$newcode}=1;
1.381     albertel 3235: 	    if ($type eq 'number' ) {
                   3236: 		return $newcode;
                   3237: 	    } else {
                   3238: 		return &num_to_letters($newcode);
                   3239: 	    }
1.288     albertel 3240: 	}
                   3241:     }
                   3242: }
1.140     sakharuk 3243: 
1.284     albertel 3244: sub print_resources {
1.360     albertel 3245:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 3246: 	$LaTeXwidth)=@_;
1.284     albertel 3247:     my $current_output = ''; 
1.375     foxr     3248:     my $printed = '';
1.284     albertel 3249:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   3250:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     3251:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.600     foxr     3252: 
1.591     foxr     3253:     #
                   3254:     # Figure out if we need to filter the output by
                   3255:     # the incomplete problems for that person
                   3256:     #
                   3257:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
                   3258:     my $print_incomplete = 0;
                   3259:     if (($print_type eq 'map_incomplete_problems_people_seq')   ||
                   3260: 	($print_type eq 'incomplete_problems_selpeople_course')) {
                   3261: 	$print_incomplete = 1;
                   3262:     }
1.596     raeburn  3263:     if ($person eq 'anonymous') {
1.492     foxr     3264: 	$namepostfix .="Name: ";
1.288     albertel 3265: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   3266:     }
1.590     foxr     3267: 
1.444     foxr     3268:     #  Fullname may have special latex characters that need \ prefixing:
                   3269:     #
                   3270: 
1.350     foxr     3271:     my $i           = 0;
1.591     foxr     3272:     my $actually_printed = 0;	# Count of resources printed.
1.284     albertel 3273:     #goes through all resources, checks if they are available for 
                   3274:     #current student, and produces output   
1.428     albertel 3275: 
                   3276:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 3277:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 3278:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     3279:     #
1.441     foxr     3280:     #   end each student with a 
1.440     foxr     3281:     #   Special that allows the post processor to even out the page
                   3282:     #   counts later.  Nasty problem this... it would be really
                   3283:     #   nice to put the special in as a postscript comment
1.441     foxr     3284:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     3285:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     3286:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   3287:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     3288:     #
1.591     foxr     3289: 
1.568     foxr     3290:     my $syllabus_first = 0;
1.284     albertel 3291:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     3292: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     3293: 	    if($i != 0) {
                   3294: 		$current_output.= "\\newpage\n";
                   3295: 	    }
                   3296: 	}
1.569     foxr     3297: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     3298: 	$i++;
1.284     albertel 3299: 	if ( !($type eq 'problems' && 
1.609     www      3300: 	       ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
1.284     albertel 3301: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1.591     foxr     3302: 	    if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
                   3303: 		next;
                   3304: 	    }
                   3305: 	    $actually_printed++; # we're going to print one.
1.284     albertel 3306: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 3307: 		if ($res_url!~m|^ext/|
1.413     albertel 3308: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     3309: 		    $printed .= $curresline.':';
1.428     albertel 3310: 		    &Apache::lonxml::remember_problem_counter();    
                   3311: 
1.526     www      3312: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  3313:                     if ($res_url =~ /\.page$/) {
                   3314:                         if ($remove_latex_header eq 'NO') {
                   3315:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   3316:                                 $rendered = &print_latex_header().$rendered;
                   3317:                             }
                   3318:                         }
1.591     foxr     3319: ;
1.582     raeburn  3320:                         if ($remove_latex_header eq 'YES') {
                   3321:                             $rendered = &latex_header_footer_remove($rendered);
                   3322:                         } else {
                   3323:                             $rendered =~ s/\\end{document}\d*//;
                   3324:                         }
                   3325:                     }
1.305     sakharuk 3326: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3327: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3328: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   3329: 			my %answerenv = %{$moreenv};
                   3330: 			$answerenv{'answer_output_mode'}='tex';
1.591     foxr     3331: 
                   3332: 
1.380     foxr     3333: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 3334: 			
                   3335: 			&Apache::lonxml::restore_problem_counter();
                   3336: 
1.380     foxr     3337: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 3338: 
1.305     sakharuk 3339: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3340: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   3341: 			} else {
1.423     foxr     3342: 
                   3343: 			    
                   3344: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  3345:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   3346:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   3347:                             }
1.477     albertel 3348: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3349: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3350: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3351: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3352: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3353: 			    $body     = &encapsulate_minipage($body);
                   3354: 			    $rendered = $header.$body;
1.305     sakharuk 3355: 			}
                   3356: 		    }
1.511     foxr     3357: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3358: 			my $url = &Apache::lonnet::clutter($res_url);
                   3359: 			my $annotation = &annotate($url);
                   3360: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3361: 		    }
1.562     foxr     3362: 		    my $junk;
1.305     sakharuk 3363: 		    if ($remove_latex_header eq 'YES') {
                   3364: 			$rendered = &latex_header_footer_remove($rendered);
                   3365: 		    } else {
                   3366: 			$rendered =~ s/\\end{document}//;
                   3367: 		    }
                   3368: 		    $current_output .= $rendered;		    
1.456     raeburn  3369: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3370: 		    if ($i == 1) {
                   3371: 			$syllabus_first = 1;
                   3372: 		    }
1.375     foxr     3373: 		    $printed .= $curresline.':';
1.528     raeburn  3374: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3375: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3376: 			my $url = &Apache::lonnet::clutter($res_url);
                   3377: 			my $annotation = &annotate($url);
                   3378: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3379: 		    }
1.305     sakharuk 3380: 		    if ($remove_latex_header eq 'YES') {
                   3381: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3382: 		    } else {
1.305     sakharuk 3383: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3384: 		    }
1.421     foxr     3385: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3386: 		} elsif($res_url = ~/\.pdf$/) {
                   3387: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3388: 		    my $rendered  = &include_pdf($url);
                   3389: 		    if ($remove_latex_header ne 'NO') {
                   3390: 			$rendered = &latex_header_footer_remove($rendered);
                   3391: 		    }
                   3392: 		    $current_output .= $rendered;
1.284     albertel 3393: 		} else {
1.414     albertel 3394: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3395: 		    if ($remove_latex_header ne 'NO') {
                   3396: 			$rendered = &latex_header_footer_remove($rendered);
                   3397: 		    } else {
                   3398: 			$rendered =~ s/\\end{document}//;
                   3399: 		    }
                   3400: 		    $current_output .= $rendered;
1.284     albertel 3401: 		}
                   3402: 	    }
                   3403: 	    $remove_latex_header = 'YES';
1.590     foxr     3404: 	}
1.331     albertel 3405: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3406:     }
1.591     foxr     3407:     # If we are printing incomplete it's possible we don't have
                   3408:     # anything to print.  The print subsystem is not so good at handling
                   3409:     # that so we're going to generate a stub that says there are no
                   3410:     # incomplete resources for the person.
                   3411:     #
1.593     foxr     3412: 
1.591     foxr     3413:     if ($actually_printed == 0) {
1.592     foxr     3414: 	$current_output  = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
1.593     foxr     3415: 	if ($remove_latex_header eq "NO") {
                   3416: 	    $current_output = &print_latex_header() . $current_output;
                   3417: 	} else {
                   3418: 	    $current_output = &latex_header_footer_remove($current_output);
                   3419: 	}
1.591     foxr     3420:     }
1.552     foxr     3421: 
1.583     raeburn  3422:     if ($syllabus_first) {
                   3423:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3424:     }
1.284     albertel 3425:     my $courseidinfo = &get_course();
                   3426:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3427:     my $header_line =
1.486     foxr     3428: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     3429: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 3430:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3431: 	                                         : '\fancyhead[LO]';
                   3432:     $header_line = $header_start.'{'.$header_line.'}';
1.583     raeburn  3433:     if ($current_output=~/\\documentclass/) {
1.476     albertel 3434: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 3435:     } else {
1.476     albertel 3436: 	my $blankpages = 
                   3437: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3438: 	    
                   3439: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3440: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3441: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3442: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3443:     }
1.440     foxr     3444:     #
                   3445:     #  Close the student bracketing.
                   3446:     #
1.375     foxr     3447:     return ($current_output,$fullname, $printed);
1.284     albertel 3448: 
                   3449: }
1.140     sakharuk 3450: 
1.3       sakharuk 3451: sub handler {
                   3452: 
                   3453:     my $r = shift;
1.397     albertel 3454:     
                   3455:     &init_perm();
1.114     bowersj2 3456: 
1.397     albertel 3457:     my $helper = printHelper($r);
                   3458:     if (!ref($helper)) {
                   3459: 	return $helper;
1.60      sakharuk 3460:     }
1.177     sakharuk 3461:    
1.184     sakharuk 3462: 
1.454     foxr     3463:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3464:  
1.416     foxr     3465: 
1.350     foxr     3466: 
                   3467: 
1.367     foxr     3468:     #  If a figure conversion queue file exists for this user.domain
                   3469:     # we delete it since it can only be bad (if it were good, printout.pl
                   3470:     # would have deleted it the last time around.
                   3471: 
1.373     albertel 3472:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3473:     if(-e $conversion_queuefile) {
                   3474: 	unlink $conversion_queuefile;
                   3475:     }
1.515     foxr     3476:     
                   3477: 
1.184     sakharuk 3478:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3479:     return OK;
1.60      sakharuk 3480: } 
1.2       sakharuk 3481: 
1.131     bowersj2 3482: use Apache::lonhelper;
1.130     sakharuk 3483: 
1.223     bowersj2 3484: sub addMessage {
                   3485:     my $text = shift;
                   3486:     my $paramHash = Apache::lonhelper::getParamHash();
                   3487:     $paramHash->{MESSAGE_TEXT} = $text;
                   3488:     Apache::lonhelper::message->new();
                   3489: }
                   3490: 
1.416     foxr     3491: 
1.238     bowersj2 3492: 
1.397     albertel 3493: sub init_perm {
                   3494:     undef(%perm);
                   3495:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3496:     if (!$perm{'pav'}) {
                   3497: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3498: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3499:     }
1.465     albertel 3500:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3501:     if (!$perm{'pfo'}) {
                   3502: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3503: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3504:     }
1.585     raeburn  3505:     $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
                   3506:     if (!$perm{'vgr'}) {
                   3507:         $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
                   3508:                    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3509:     }
1.397     albertel 3510: }
                   3511: 
1.507     albertel 3512: sub get_randomly_ordered_warning {
                   3513:     my ($helper,$map) = @_;
                   3514: 
                   3515:     my $message;
                   3516: 
                   3517:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3518:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3519:     if (defined($navmap)) {
                   3520:         my $res = $navmap->getResourceByUrl($map);
                   3521:         if ($res) {
                   3522: 	    my $func = 
                   3523: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3524: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
1.610   ! foxr     3525: 
1.547     raeburn  3526:         }
                   3527:     } else {
                   3528:         $message = "Retrieval of information about ordering of resources failed."; 
                   3529:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3530:     }
                   3531:     return;
                   3532: }
                   3533: 
1.131     bowersj2 3534: sub printHelper {
1.115     bowersj2 3535:     my $r = shift;
                   3536: 
                   3537:     if ($r->header_only) {
1.373     albertel 3538:         if ($env{'browser.mathml'}) {
1.241     www      3539:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3540:         } else {
1.241     www      3541:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3542:         }
                   3543:         $r->send_http_header;
                   3544:         return OK;
1.115     bowersj2 3545:     }
                   3546: 
1.131     bowersj2 3547:     # Send header, nocache
1.373     albertel 3548:     if ($env{'browser.mathml'}) {
1.241     www      3549:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3550:     } else {
1.241     www      3551:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3552:     }
                   3553:     &Apache::loncommon::no_cache($r);
                   3554:     $r->send_http_header;
                   3555:     $r->rflush();
                   3556: 
1.131     bowersj2 3557:     # Unfortunately, this helper is so complicated we have to
                   3558:     # write it by hand
                   3559: 
                   3560:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3561:     
1.176     bowersj2 3562:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3563:     $helper->declareVar('symb');
1.156     bowersj2 3564:     $helper->declareVar('postdata');    
1.290     sakharuk 3565:     $helper->declareVar('curseed'); 
                   3566:     $helper->declareVar('probstatus');   
1.156     bowersj2 3567:     $helper->declareVar('filename');
                   3568:     $helper->declareVar('construction');
1.178     sakharuk 3569:     $helper->declareVar('assignment');
1.262     sakharuk 3570:     $helper->declareVar('style_file');
1.340     foxr     3571:     $helper->declareVar('student_sort');
1.363     foxr     3572:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3573:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3574:     $helper->declareVar("showallfoils");
1.483     foxr     3575:     $helper->declareVar("STUDENTS");
1.569     foxr     3576:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3577: 
                   3578:    
                   3579: 
                   3580: 
1.569     foxr     3581:     #  The page breaks and extra spaces
                   3582:     #  can get loaded initially from the course environment:
1.394     foxr     3583:     # But we only do this in the initial state so that they are allowed to change.
                   3584:     #
1.366     foxr     3585: 
1.363     foxr     3586:     
                   3587:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3588: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3589: 						 'extraspace'  => 'scalar',
1.570     foxr     3590: 						 'extraspace_units' => 'scalar',
1.366     foxr     3591: 					         'lastprinttype' => 'scalar'});
                   3592:     
1.483     foxr     3593:     # This will persistently load in the data we want from the
                   3594:     # very first screen.
1.394     foxr     3595:     
                   3596:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3597: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3598: 	    
                   3599: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3600: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3601: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3602: 	} else {
                   3603: 	    my $state = $env{"form.CURRENT_STATE"};
                   3604: 	    if ($state eq "START") {
                   3605: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3606: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3607: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3608: 		
1.394     foxr     3609: 	    }
                   3610: 	}
                   3611: 	
1.366     foxr     3612:     }
1.481     albertel 3613: 
1.156     bowersj2 3614:     # Detect whether we're coming from construction space
1.602     www      3615:     if ($env{'form.postdata'}=~m{^/priv}) {
                   3616:         $helper->{VARS}->{'filename'} = $env{'form.postdata'};
1.156     bowersj2 3617:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3618:     } else {
1.373     albertel 3619:         if ($env{'form.postdata'}) {
                   3620:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3621: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3622: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3623: 	    }
1.156     bowersj2 3624:         }
1.373     albertel 3625:         if ($env{'form.symb'}) {
                   3626:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3627:         }
1.373     albertel 3628:         if ($env{'form.url'}) {
1.156     bowersj2 3629:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3630:         }
1.416     foxr     3631: 
1.157     bowersj2 3632:     }
1.481     albertel 3633: 
1.373     albertel 3634:     if ($env{'form.symb'}) {
                   3635:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3636:     }
1.373     albertel 3637:     if ($env{'form.url'}) {
1.140     sakharuk 3638:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3639: 
1.140     sakharuk 3640:     }
1.343     albertel 3641:     $helper->{VARS}->{'symb'}=
                   3642: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3643:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3644:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3645: 
1.156     bowersj2 3646:     
1.146     bowersj2 3647:     # Extract map
                   3648:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3649:     my ($map, $id, $url);
                   3650:     my $subdir;
1.483     foxr     3651:     my $is_published=0;		# True when printing from resource space.
1.589     foxr     3652:     my $res_printable = 1;	# By default the current resource is printable.    
                   3653:     my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
1.156     bowersj2 3654: 
                   3655:     # Get the resource name from construction space
                   3656:     if ($helper->{VARS}->{'construction'}) {
                   3657:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3658:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3659:         $subdir = substr($helper->{VARS}->{'filename'},
                   3660:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3661:     } else {
1.562     foxr     3662: 	# From course space:
                   3663: 
1.482     albertel 3664: 	if ($symb ne '') {
                   3665: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3666: 	    $helper->{VARS}->{'postdata'} = 
                   3667: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.589     foxr     3668: 	    my $navmap = Apache::lonnavmaps::navmap->new();
                   3669: 	    my $res   = $navmap->getBySymb($symb);
                   3670: 	    $res_printable  = $res->resprintable() || $userCanPrint; #printability in course context
1.482     albertel 3671: 	} else {
1.589     foxr     3672: 	    # Resource space.
                   3673: 
1.482     albertel 3674: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3675: 	    $is_published=1;	# From resource space.
1.482     albertel 3676: 	}
                   3677: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3678:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3679:             my $postdata = $helper->{VARS}->{'postdata'};
                   3680:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 3681:         }
                   3682:         $subdir = &Apache::lonnet::filelocation("", $url);
1.589     foxr     3683: 
                   3684: 
1.128     bowersj2 3685:     }
1.373     albertel 3686:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   3687: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 3688:     }
1.373     albertel 3689:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     3690: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 3691:     }
1.115     bowersj2 3692: 
1.192     bowersj2 3693:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   3694: 
1.481     albertel 3695:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 3696: 
1.131     bowersj2 3697:     # "Delete everything after the last slash."
1.119     bowersj2 3698:     $subdir =~ s|/[^/]+$||;
                   3699: 
1.131     bowersj2 3700:     # What can be printed is a very dynamic decision based on
                   3701:     # lots of factors. So we need to dynamically build this list.
                   3702:     # To prevent security leaks, states are only added to the wizard
                   3703:     # if they can be reached, which ensures manipulating the form input
                   3704:     # won't allow anyone to reach states they shouldn't have permission
                   3705:     # to reach.
                   3706: 
                   3707:     # printChoices is tracking the kind of printing the user can
                   3708:     # do, and will be used in a choices construction later.
                   3709:     # In the meantime we will be adding states and elements to
                   3710:     # the helper by hand.
                   3711:     my $printChoices = [];
                   3712:     my $paramHash;
1.130     sakharuk 3713: 
1.589     foxr     3714:     # If there is a current resource and it is printable
                   3715:     # Give that as a choice.
                   3716: 
                   3717:     if ($resourceTitle && $res_printable) {
1.458     www      3718:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.156     bowersj2 3719:     }
1.590     foxr     3720:     
1.156     bowersj2 3721: 
1.238     bowersj2 3722:     # Useful filter strings
1.589     foxr     3723: 
                   3724:     my $isPrintable = ' && $res->resprintable()';
                   3725: 
1.590     foxr     3726:     my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
1.589     foxr     3727:     $isProblem .= $isPrintable unless $userCanPrint;
1.238     bowersj2 3728:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     3729:     my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                   3730:     $isProblemOrMap .= $isPrintable unless $userCanPrint;
                   3731:     my $isNotMap = '(!$res->is_sequence())';
                   3732:     $isNotMap .= $isPrintable unless $userCanPrint;
1.238     bowersj2 3733:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     3734:     my $isMap = '$res->is_map()';
                   3735:     $isMap .= $isPrintable unless $userCanPrint;
                   3736:     my $symbFilter = '$res->shown_symb() ';
1.342     albertel 3737:     my $urlValue = '$res->link()';
1.238     bowersj2 3738: 
                   3739:     $helper->declareVar('SEQUENCE');
                   3740: 
1.465     albertel 3741:     # If we're in a sequence...
1.416     foxr     3742: 
1.465     albertel 3743:     my $start_new_option;
                   3744:     if ($perm{'pav'}) {
                   3745: 	$start_new_option = 
                   3746: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     3747: 	    "' variable='FINISHPAGE' />".
1.570     foxr     3748: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     3749: 	    "' variable='EXTRASPACE' type='text' />" .
                   3750: 	    "<option " .
1.570     foxr     3751: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   3752: 	    "<option text='".&mt('Space units<br />check for mm').
                   3753: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   3754: 	    ;
                   3755: 	    
1.569     foxr     3756: 
1.465     albertel 3757:     }
1.238     bowersj2 3758: 
1.562     foxr     3759:     # If not construction space user can print the components of a page:
                   3760: 
                   3761:     my $page_ispage;
                   3762:     my $page_title;
                   3763:     if (!$helper->{VARS}->{'construction'}) {
                   3764: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   3765: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   3766: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     3767: 	if (defined($page_navmap)) {
                   3768: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   3769: 	    if(defined($page_resources[0])) {
                   3770: 		$page_ispage       = $page_resources[0]->is_page();
                   3771: 		$page_title     = $page_resources[0]->title();
                   3772: 		my $resourcesymb   = $page_resources[0]->symb();
                   3773: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   3774: 		if ($page_ispage) {
                   3775: 		    push @{$printChoices}, 
                   3776: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3777: 		     'map_problems_in_page', 
                   3778: 		     'CHOOSE_PROBLEMS_PAGE'];
                   3779: 		    push @{$printChoices}, 
                   3780: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   3781: 		     'map_resources_in_page', 
                   3782: 		     'CHOOSE_RESOURCES_PAGE'];
                   3783: 		}
1.562     foxr     3784:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   3785: 							'Select Problem(s) to print',
                   3786: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   3787: 							'RESOURCES',
                   3788: 							'PAGESIZE',
                   3789: 							$url,
                   3790: 							$isProblem, '',  $symbFilter,
                   3791: 							$start_new_option);
                   3792: 
                   3793: 
                   3794:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   3795: 						    'Select Resource(s) to print',
                   3796: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3797: 						    'RESOURCES',
                   3798: 						    'PAGESIZE',
                   3799: 						    $url,
                   3800: 						    $isNotMap, '', $symbFilter,
                   3801: 						    $start_new_option);
                   3802: 
                   3803: 						    
                   3804: 
                   3805: 
                   3806: 
                   3807: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3808: 	
1.563     foxr     3809: 	    }
                   3810: 	}
1.562     foxr     3811:     }
                   3812: 
                   3813:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 3814: 	$helper->{VARS}->{'postdata'} &&
                   3815: 	$helper->{VARS}->{'assignment'}) {
1.590     foxr     3816: 
                   3817: 	# BZ 5209 - Print incomplete problems from sequence:
                   3818: 	# the exact form of this depends on whether or not we are privileged or a mere
                   3819: 	# plebe of s student:
                   3820: 
                   3821: 	my $printSelector = 'map_incomplete_problems_seq';
                   3822: 	my $nextState     = 'CHOOSE_INCOMPLETE_SEQ';
                   3823: 	my $textSuffix    = '';
                   3824: 
                   3825: 	if ($userCanPrint) {
                   3826: 	    $printSelector = 'map_incomplete_problems_people_seq';
                   3827: 	    $nextState     = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
                   3828: 	    $textSuffix    = ' for selected students';
                   3829: 	    my $helperStates =
                   3830: 		&create_incomplete_folder_selstud_helper($helper, $map); 
                   3831: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   3832: 	} else {
                   3833: 	    my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
                   3834: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   3835: 	}
                   3836: 
                   3837: 	push(@{$printChoices},
1.594     foxr     3838: 	     [&mt('Selected  [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
1.590     foxr     3839: 		  '<b>', '</b>',
                   3840: 		  '<b><i>'. $sequenceTitle . '</b></i>'),
                   3841: 	      $printSelector,
                   3842: 	      $nextState]);
                   3843: 
1.131     bowersj2 3844:         # Allow problems from sequence
1.562     foxr     3845:         push @{$printChoices}, 
                   3846: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3847: 	     'map_problems', 
                   3848: 	     'CHOOSE_PROBLEMS'];
1.131     bowersj2 3849:         # Allow all resources from sequence
1.562     foxr     3850:         push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   3851: 				'map_problems_pages', 
                   3852: 				'CHOOSE_PROBLEMS_HTML'];
                   3853:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   3854: 							'Select Problem(s) to print',
                   3855: 							'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3856: 							'RESOURCES',
                   3857: 							'PAGESIZE',
                   3858: 							$map,
                   3859: 							$isProblem, '',
                   3860: 							$symbFilter,
                   3861: 							$start_new_option);
                   3862: 	$helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   3863: 						      'Select Resource(s) to print',
                   3864: 						      	'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   3865: 						      'RESOURCES',
                   3866: 						      'PAGESIZE',
                   3867: 						      $map,
                   3868: 						      $isNotMap, '',
                   3869: 						      $symbFilter,
                   3870: 						      $start_new_option);
1.121     bowersj2 3871: 
1.326     sakharuk 3872: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
1.121     bowersj2 3873:     }
                   3874: 
1.546     bisitz   3875:     # If the user has pfo (print for others) allow them to print all 
                   3876:     # problems and resources  in the entire course, optionally for selected students
1.562     foxr     3877:     my $post_data = $helper->{VARS}->{'postdata'};
1.590     foxr     3878:     
1.483     foxr     3879:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     3880:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 3881: 
1.590     foxr     3882: 	# BZ 5209 - incomplete problems from entire course:
                   3883: 
                   3884: 	push(@{$printChoices},
1.594     foxr     3885: 	     [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
1.590     foxr     3886: 	      'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
                   3887: 	my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
                   3888: 
                   3889: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   3890: 
                   3891: 	#  Selected problems/resources from entire course:
                   3892: 
1.509     albertel 3893:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   3894: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     3895: 	push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b> for <b>selected people</b>'), 'all_problems_students', 'ALL_PROBLEMS_STUDENTS'];
1.562     foxr     3896: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     3897:   <state name="STUDENTS1" title="Select People">
                   3898:       <message><b>Select sorting order of printout</b> </message>
                   3899:     <choices variable='student_sort'>
                   3900:       <choice computer='0'>Sort by section then student</choice>
                   3901:       <choice computer='1'>Sort by students across sections.</choice>
                   3902:     </choices>
                   3903:       <message><br /><hr /><br /> </message>
                   3904:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   3905:   </state>
1.284     albertel 3906: ALL_PROBLEMS
1.562     foxr     3907:          &Apache::lonxml::xmlparse($r, 'helper', 
                   3908: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   3909: 							      'SelectProblem(s) to print',
                   3910: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3911: 							      'RESOURCES',
                   3912: 							      'PAGESIZE',
                   3913: 							      '',
                   3914: 							      $isProblemOrMap, $isNotMap,
                   3915: 							      $symbFilter,
                   3916: 							      $start_new_option) .
                   3917: 				   &generate_resource_chooser('ALL_RESOURCES',
                   3918: 							      'Select Resource(s) to print',
                   3919: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   3920: 							      'RESOURCES',
                   3921: 							      'PAGESIZE',
                   3922: 							      '',
                   3923: 							      $isNotMap,'',$symbFilter,
                   3924: 							      $start_new_option) .
                   3925: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   3926: 							      'Select Problem(s) to print',
                   3927: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   3928: 							      'RESOURCES',
                   3929: 							      'STUDENTS1',
                   3930: 							      '',
                   3931: 							      $isProblemOrMap,'' , $symbFilter,
                   3932: 							      $start_new_option) .
                   3933: 				     $suffixXml
                   3934: 				   );
1.132     bowersj2 3935: 
1.284     albertel 3936: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     3937: 
                   3938: 	    # If we were looking at a page, allow a selection of problems from the page
                   3939: 	    # either for selected students or for coded assignments.
                   3940: 
                   3941: 	    if ($page_ispage) {
                   3942: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   3943: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3944: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   3945: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   3946: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   3947: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   3948: 	    }
                   3949: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   3950: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3951: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   3952: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   3953: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   3954: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 3955: 	}
1.424     foxr     3956: 
1.507     albertel 3957: 	my $randomly_ordered_warning = 
1.591     foxr     3958:             &get_randomly_ordered_warning($helper, $map);
1.507     albertel 3959: 
1.424     foxr     3960: 	# resource_selector will hold a few states that:
                   3961: 	#   - Allow resources to be selected for printing.
                   3962: 	#   - Determine pagination between assignments.
                   3963: 	#   - Determine how many assignments should be bundled into a single PDF.
                   3964:         # TODO:
                   3965: 	#    Probably good to do things like separate this up into several vars, each
                   3966: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   3967: 	#    and next states for better mix and match capability
                   3968: 	#
1.562     foxr     3969: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   3970: 							  'Select resources to print',
                   3971: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   3972: 							  'RESOURCES', 
                   3973: 							  'PRINT_FORMATTING',
1.571     droeschl 3974: 							  $map,
1.562     foxr     3975: 							  $isProblem, '', $symbFilter,
                   3976: 							  $start_new_option);
1.586     raeburn  3977: 	$resource_selector .=  &generate_format_selector($helper,
1.598     raeburn  3978:                                                          'How should results be printed?',
                   3979:                                                          'PRINT_FORMATTING').
1.586     raeburn  3980:                                &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
1.562     foxr     3981: 							'Select Problem(s) to print',
                   3982: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   3983: 							'RESOURCES',
                   3984: 							'PRINT_FORMATTING',
                   3985: 							$url,
                   3986: 							$isProblem, '',  $symbFilter,
                   3987: 							$start_new_option);
                   3988: 
                   3989: 
                   3990: # Generate student choosers.
                   3991: 
                   3992: 
1.284     albertel 3993: 
1.562     foxr     3994:         &Apache::lonxml::xmlparse($r, 'helper',
                   3995: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   3996: 							    'student_sort',
                   3997: 							    'STUDENTS',
                   3998: 							    'CHOOSE_STUDENTS_PAGE'));
                   3999: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   4000: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   4001: 							    'student_sort',
                   4002: 							    'STUDENTS',
                   4003: 							    'SELECT_PROBLEMS'));
                   4004: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 4005: 
1.373     albertel 4006: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4007: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 4008:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   4009: 	my $namechoice='<choice></choice>';
1.337     albertel 4010: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 4011: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 4012: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 4013: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   4014: 	}
1.389     foxr     4015: 
                   4016: 
                   4017: 	my %code_values;
1.405     albertel 4018: 	my %codes_to_print;
1.411     albertel 4019: 	foreach my $key (@names) {
1.389     foxr     4020: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 4021: 	    foreach my $key (keys(%code_values)) {
                   4022: 		$codes_to_print{$key} = 1;
1.388     foxr     4023: 	    }
                   4024: 	}
1.389     foxr     4025: 
1.452     albertel 4026: 	my $code_selection;
1.405     albertel 4027: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     4028: 	    my $choice  = $code;
                   4029: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   4030: 		$choice = &letters_to_num($code);
                   4031: 	    }
1.432     albertel 4032: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     4033: 	}
1.436     albertel 4034: 	if (%codes_to_print) {
                   4035: 	    $code_selection .='   
1.472     albertel 4036: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 4037: 		<message></td><td></message>
1.452     albertel 4038: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   4039:                   <choice></choice>
1.448     albertel 4040:                   <exec>
                   4041:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   4042:                   </exec>
1.452     albertel 4043: 		</dropdown>
1.468     foxr     4044: 	    <message></td></tr><tr><td></message>
1.436     albertel 4045:             '.$/;
1.448     albertel 4046: 
1.436     albertel 4047: 	}
1.432     albertel 4048: 
1.542     raeburn  4049:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 4050: 	my $codechoice='';
1.542     raeburn  4051: 	foreach my $line (@lines) {
1.381     albertel 4052: 	    my ($name,$description,$code_type,$code_length)=
                   4053: 		(split(/:/,$line))[0,1,2,4];
                   4054: 	    if ($code_length > 0 && 
                   4055: 		$code_type =~/^(letter|number|-1)/) {
                   4056: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   4057: 	    }
                   4058: 	}
                   4059: 	if ($codechoice eq '') {
                   4060: 	    $codechoice='<choice computer="default">Default</choice>';
                   4061: 	}
1.562     foxr     4062: 	my $anon1 = &generate_code_selector($helper, 
                   4063: 					    'CHOOSE_ANON1',
                   4064: 					    'SELECT_PROBLEMS',
                   4065: 					    $codechoice,
                   4066: 					    $code_selection,
                   4067: 					    $namechoice) . $resource_selector;
                   4068: 					    
                   4069: 					    
                   4070:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   4071: 
                   4072: 	my $anon_page = &generate_code_selector($helper,
                   4073: 						'CHOOSE_ANON1_PAGE',
                   4074: 						'SELECT_PROBLEMS_PAGE',
                   4075: 						$codechoice,
                   4076: 						$code_selection,
                   4077: 						$namechoice) .
                   4078: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   4079: 						   'Select Problem(s) to print',
                   4080: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   4081: 						   'RESOURCES',
                   4082: 						   'PRINT_FORMATTING',
                   4083: 						   $url,
                   4084: 						   $isProblem, '',  $symbFilter,
                   4085: 						   $start_new_option);
                   4086: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 4087: 
1.272     sakharuk 4088: 
1.254     sakharuk 4089: 	if ($helper->{VARS}->{'assignment'}) {
1.590     foxr     4090: 
                   4091: 	    # Assignment printing:
                   4092: 
1.546     bisitz   4093: 	    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'];
                   4094: 	    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 4095: 	}
1.284     albertel 4096: 	    
                   4097: 
                   4098: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     4099:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 4100:     $randomly_ordered_warning
1.424     foxr     4101:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 4102:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 4103:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   4104:               closeallpages="1">
1.254     sakharuk 4105:       <filterfunc>return $isNotMap;</filterfunc>
                   4106:       <mapurl>$map</mapurl>
                   4107:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4108:       $start_new_option
1.254     sakharuk 4109:       </resource>
1.424     foxr     4110:     </state>
1.284     albertel 4111: RESOURCE_SELECTOR
                   4112: 
1.586     raeburn  4113:         $resource_selector .= &generate_format_selector($helper,
                   4114:                                                         'Format of the print job',
1.598     raeburn  4115:                                                         'PRINT_FORMATTING');
1.284     albertel 4116: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   4117:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     4118:     <choices variable='student_sort'>
                   4119:       <choice computer='0'>Sort by section then student</choice>
                   4120:       <choice computer='1'>Sort by students across sections.</choice>
                   4121:     </choices>
1.437     foxr     4122:     <message><br /><hr /><br /></message>
1.426     foxr     4123:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     4124: 
1.424     foxr     4125:     </state>
1.284     albertel 4126:     $resource_selector
1.254     sakharuk 4127: CHOOSE_STUDENTS1
                   4128: 
1.284     albertel 4129: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 4130:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     4131:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 4132:     <message><h4>Fill out one of the forms below</h4></message>
                   4133:     <message><br /><hr /> <br /></message>
                   4134:     <message><h3>Generate new CODEd Assignments</h3></message>
                   4135:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     4136:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 4137:        <validator>
                   4138: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     4139: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     4140: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   4141: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 4142: 	    return "You need to specify the number of assignments to print";
                   4143: 	}
1.578     foxr     4144:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   4145:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   4146:             return 'Specifying number of codes to print and a specific code is not compatible';
                   4147:         }
1.362     albertel 4148: 	return undef;
                   4149:        </validator>
                   4150:     </string>
                   4151:     <message></td></tr><tr><td></message>
1.501     albertel 4152:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 4153:     <message></td><td></message>
                   4154:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   4155:     <message></td></tr><tr><td></message>
1.599     raeburn  4156:     <message><b>Bubblesheet type:</b></message>
1.412     albertel 4157:     <message></td><td></message>
                   4158:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   4159:     $codechoice
                   4160:     </dropdown>
1.472     albertel 4161:     <message></td></tr><tr><td></table></message>
                   4162:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   4163:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 4164:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     4165:         <validator>
                   4166: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     4167: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   4168: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     4169: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   4170: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     4171: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     4172: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     4173: 	   } else {
                   4174: 	       return undef;	# Other forces control us.
                   4175: 	   }
                   4176:         </validator>
                   4177:     </string>
1.472     albertel 4178:     <message></td></tr><tr><td></message>
1.432     albertel 4179:         $code_selection
1.472     albertel 4180:     <message></td></tr></table></message>
                   4181:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   4182:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 4183:     <message></td><td></message>
1.294     albertel 4184:     <dropdown variable="REUSE_OLD_CODES">
                   4185:         $namechoice
                   4186:     </dropdown>
1.412     albertel 4187:     <message></td></tr></table></message>
1.424     foxr     4188:   </state>
1.284     albertel 4189:     $resource_selector
                   4190: CHOOSE_ANON2
1.481     albertel 4191:     }
                   4192: 
1.121     bowersj2 4193:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     4194:     if (($perm{'pav'} 
1.482     albertel 4195: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   4196: 	&& (defined($helper->{'VARS'}->{'construction'})
                   4197: 	    ||
                   4198: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   4199: 	     && 
                   4200: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     4201: 	    )) 
                   4202: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 4203: 	) {
                   4204: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   4205:         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 4206:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 4207:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      4208: 
1.138     bowersj2 4209:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 4210:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 4211:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 4212: CHOOSE_FROM_SUBDIR
                   4213:         
1.238     bowersj2 4214:         # this is broken up because I really want interpolation above,
                   4215:         # and I really DON'T want it below
1.139     bowersj2 4216:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 4217:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   4218: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 4219:       </filefilter>
1.138     bowersj2 4220:       </files>
1.131     bowersj2 4221:     </state>
                   4222: CHOOSE_FROM_SUBDIR
1.139     bowersj2 4223:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 4224:     }
1.238     bowersj2 4225: 
                   4226:     # Allow the user to select any sequence in the course, feed it to
                   4227:     # another resource selector for that sequence
1.483     foxr     4228:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 4229: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 4230: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 4231: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   4232: 	#Escape apostrophes and backslashes for Perl
                   4233: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   4234: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 4235: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 4236:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   4237:     <message>Select the sequence to print resources from:</message>
                   4238:     <resource variable="SEQUENCE">
                   4239:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
                   4240:       <filterfunc>return \$res->is_sequence;</filterfunc>
                   4241:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     4242:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     4243: 	</choicefunc>
1.238     bowersj2 4244:       </resource>
                   4245:     </state>
                   4246:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   4247:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     4248:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 4249:               closeallpages="1">
1.238     bowersj2 4250:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 4251:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 4252:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 4253:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4254:       $start_new_option
1.238     bowersj2 4255:       </resource>
                   4256:     </state>
                   4257: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 4258: }
1.481     albertel 4259: 
1.131     bowersj2 4260:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 4261:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.131     bowersj2 4262:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 4263:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 4264:     Apache::lonhelper::message->new();
                   4265:     $paramHash = Apache::lonhelper::getParamHash();
                   4266:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   4267:     $paramHash->{CHOICES} = $printChoices;
                   4268:     Apache::lonhelper::choices->new();
1.161     bowersj2 4269: 
1.223     bowersj2 4270:     my $startedTable = 0; # have we started an HTML table yet? (need
                   4271:                           # to close it later)
                   4272: 
1.585     raeburn  4273:     if (($perm{'pav'} and $perm{'vgr'}) or 
1.170     sakharuk 4274: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   4275: 	&addMessage('<br />'
                   4276:                    .'<h3>'.&mt('Print Options').'</h3>'
                   4277:                    .&Apache::lonhtmlcommon::start_pick_box()
                   4278:                    .&Apache::lonhtmlcommon::row_title(
                   4279:                        '<label for="ANSWER_TYPE_forminput">'
                   4280:                       .&mt('Print Answers')
                   4281:                       .'</label>'
                   4282:                     )
                   4283:         );
1.161     bowersj2 4284:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 4285: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   4286: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 4287:         $paramHash->{CHOICES} = [
1.242     sakharuk 4288:                                    ['Without Answers', 'yes'],
                   4289:                                    ['With Answers', 'no'],
1.368     albertel 4290:                                    ['Only Answers', 'only']
1.289     sakharuk 4291:                                 ];
1.210     sakharuk 4292:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4293: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 4294: 	$startedTable = 1;
1.556     foxr     4295: 
                   4296: #
                   4297: #  Select font size.
                   4298: #
                   4299: 
                   4300:             $helper->declareVar('fontsize');
                   4301:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   4302:             my $xmlfrag = << "FONT_SELECTION";
                   4303: 
                   4304:           
                   4305:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   4306:             <defaultvalue>
                   4307: 		  return 'normalsize';
                   4308:             </defaultvalue>
                   4309:             <choice computer='tiny'>Tiny</choice>
                   4310:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   4311:             <choice computer='footnotesize'>Footnote Size</choice>
                   4312:             <choice computer='small'>Small</choice>
                   4313:             <choice computer='normalsize'>Normal (default)</choice>
                   4314:             <choice computer='large'>larger than normal</choice>
                   4315:             <choice computer='Large'>Even larger than normal</choice>
                   4316:             <choice computer='LARGE'>Still larger than normal</choice>
                   4317:             <choice computer='huge'>huge font size</choice>
                   4318:             <choice computer='Huge'>Largest possible size</choice>
                   4319:             </dropdown>
                   4320: FONT_SELECTION
                   4321:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   4322:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 4323:     }
1.209     sakharuk 4324: 
1.397     albertel 4325:     if ($perm{'pav'}) {
1.223     bowersj2 4326: 	if (!$startedTable) {
1.497     www      4327: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   4328:                        '<label for="LATEX_TYPE_forminput">'.
                   4329:                        &mt('LaTeX mode').
                   4330:                        "</label>: </td><td>");
1.223     bowersj2 4331: 	    $startedTable = 1;
                   4332: 	} else {
1.544     bisitz   4333: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4334:                            '<label for="LATEX_TYPE_forminput">'
                   4335:                            .&mt('LaTeX mode')
                   4336:                            .'</label>'
                   4337:                         )
                   4338:             );
1.223     bowersj2 4339: 	}
1.203     sakharuk 4340:         $paramHash = Apache::lonhelper::getParamHash();
                   4341: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   4342: 	$helper->declareVar('LATEX_TYPE');  
                   4343: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   4344: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4345: 				     ['standard LaTeX mode', 'standard'], 
                   4346: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 4347: 	} else {
                   4348: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4349: 				     ['LaTeX batchmode', 'batchmode'],
                   4350: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 4351: 	}
1.210     sakharuk 4352:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 4353:  
1.544     bisitz   4354: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   4355:                    .&Apache::lonhtmlcommon::row_title(
                   4356:                         '<label for="TABLE_CONTENTS_forminput">'
                   4357:                        .&mt('Print Table of Contents')
                   4358:                        .'</label>'
                   4359:                     )
                   4360:         );
1.209     sakharuk 4361:         $paramHash = Apache::lonhelper::getParamHash();
                   4362: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   4363: 	$helper->declareVar('TABLE_CONTENTS');         
                   4364:         $paramHash->{CHOICES} = [
1.223     bowersj2 4365:                                    ['No', 'no'],
                   4366:                                    ['Yes', 'yes'] ];
1.210     sakharuk 4367:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4368: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 4369:         
1.220     sakharuk 4370: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   4371: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4372:                             '<label for="TABLE_INDEX_forminput">'
                   4373:                            .&mt('Print Index')
                   4374:                            .'</label>'
                   4375:                         )
                   4376:             );
1.220     sakharuk 4377: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4378: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   4379: 	    $helper->declareVar('TABLE_INDEX');         
                   4380: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4381: 				     ['No', 'no'],
                   4382: 				     ['Yes', 'yes'] ];
1.220     sakharuk 4383: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4384:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   4385:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   4386:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   4387:                            .&mt('Print Discussions')
                   4388:                            .'</label>'
                   4389:                         )
                   4390:             );
1.309     sakharuk 4391: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4392: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4393: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4394: 	    $paramHash->{CHOICES} = [
                   4395: 				     ['No', 'no'],
                   4396: 				     ['Yes', 'yes'] ];
                   4397: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4398:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4399: 
1.511     foxr     4400: 	    # Prompt for printing annotations too.
                   4401: 		
1.545     bisitz   4402: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4403:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4404:                            .&mt('Print Annotations')
                   4405:                            .'</label>'
                   4406:                         )
                   4407:             );
1.511     foxr     4408: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4409: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4410: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4411: 	    $paramHash->{CHOICES} = [
                   4412: 				     ['No', 'no'],
                   4413: 				     ['Yes', 'yes']];
                   4414: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4415:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4416: 
1.545     bisitz   4417:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4418: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4419: 	    $paramHash->{'multichoice'} = "true";
                   4420: 	    $paramHash->{'allowempty'}  = "true";
                   4421: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4422: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4423: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4424:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4425: 	}
1.219     sakharuk 4426: 
1.230     albertel 4427: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4428: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4429:             my $randseedtext=&mt("Use random seed");
                   4430:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4431:             my $selectfiletext=&mt("Select style file");
1.497     www      4432: 
1.544     bisitz   4433: 	    my $xmlfrag .= '<message>'
                   4434:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4435:                                               .$randseedtext
                   4436:                                               .'</label>'
                   4437:              )
                   4438:             .'</message>
                   4439:             <string variable="curseed" size="15" maxlength="15">
                   4440:                 <defaultvalue>
                   4441:                    return '.$helper->{VARS}->{'curseed'}.';
                   4442:                 </defaultvalue>'
                   4443:             .'</string>'
                   4444:             .'<message>'
                   4445:             .&Apache::lonhtmlcommon::row_closure()
                   4446:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4447:                                               .$stylefiletext
                   4448:                                               .'</label>'
                   4449:              )
                   4450:             .'</message>
1.504     albertel 4451:              <string variable="style_file" size="40">
1.544     bisitz   4452:                 <defaultvalue>
                   4453:                     return '.$stylevalue.';
                   4454:                 </defaultvalue>
                   4455:              </string><message>&nbsp;'
                   4456: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4457: .$selectfiletext.'</a>'
                   4458:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4459:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4460:             .'</message>
1.371     foxr     4461: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4462:                 <choice computer="1">&nbsp;</choice>
                   4463:              </choices>'
                   4464: 	    .'<message>'
                   4465:             .&Apache::lonhtmlcommon::row_closure()
                   4466:             .'</message>';
1.230     albertel 4467:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4468: 
                   4469: 
1.544     bisitz   4470:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4471: 	    #
                   4472: 	    # Initial value from construction space:
                   4473: 	    #
                   4474: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4475: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4476: 	    }
1.518     foxr     4477: 	    $xmlfrag = << "PROBTYPE";
                   4478: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4479: 		   <defaultvalue>
                   4480: 		      return "$helper->{VARS}->{'probstatus'}";
                   4481:                    </defaultvalue>
                   4482: 		   <choice computer="problem">Homework Problem</choice>
                   4483: 		   <choice computer="exam">Exam Problem</choice>
                   4484: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4485:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4486: 		</dropdown>
                   4487: PROBTYPE
                   4488:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4489:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4490: 
1.556     foxr     4491: 
                   4492: 
1.544     bisitz   4493:         }
1.223     bowersj2 4494:     }
1.264     sakharuk 4495: 
                   4496: 
                   4497: 
1.218     sakharuk 4498: 
1.223     bowersj2 4499:     if ($startedTable) {
1.544     bisitz   4500:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4501:     }
1.161     bowersj2 4502: 
1.131     bowersj2 4503:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4504: 
1.144     bowersj2 4505:     # Generate the PAGESIZE state which will offer the user the margin
                   4506:     # choices if they select one column
                   4507:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4508:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4509: 
                   4510: 
1.131     bowersj2 4511:     $helper->process();
                   4512: 
1.416     foxr     4513: 
1.131     bowersj2 4514:     # MANUAL BAILOUT CONDITION:
                   4515:     # If we're in the "final" state, bailout and return to handler
                   4516:     if ($helper->{STATE} eq 'FINAL') {
                   4517:         return $helper;
                   4518:     }    
1.130     sakharuk 4519: 
1.584     raeburn  4520:     my $footer;
1.395     www      4521:     if ($helper->{STATE} eq 'START') {
1.584     raeburn  4522:         my $prtspool=$r->dir_config('lonPrtDir'); 
                   4523: 	$footer = &recently_generated($prtspool);
1.395     www      4524:     }
1.584     raeburn  4525:     $r->print($helper->display($footer));
1.333     albertel 4526:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4527: 
                   4528:     return OK;
                   4529: }
                   4530: 
1.1       www      4531: 
                   4532: 1;
1.119     bowersj2 4533: 
                   4534: package Apache::lonprintout::page_format_state;
                   4535: 
                   4536: =pod
                   4537: 
1.131     bowersj2 4538: =head1 Helper element: page_format_state
                   4539: 
                   4540: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4541: 
1.131     bowersj2 4542: Apache::lonprintout::page_format_state is an element that gives the 
                   4543: user an opportunity to select the page layout they wish to print 
                   4544: with: Number of columns, portrait/landscape, and paper size. If you 
                   4545: want to change the paper size choices, change the @paperSize array 
                   4546: contents in this package.
1.119     bowersj2 4547: 
1.131     bowersj2 4548: page_format_state is always directly invoked in lonprintout.pm, so there
                   4549: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4550: 
                   4551: =over 4
                   4552: 
1.131     bowersj2 4553: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4554: 
                   4555: =back
                   4556: 
                   4557: =cut
                   4558: 
1.131     bowersj2 4559: use Apache::lonhelper;
1.119     bowersj2 4560: 
                   4561: no strict;
1.131     bowersj2 4562: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4563: use strict;
1.266     sakharuk 4564: use Apache::lonlocal;
1.373     albertel 4565: use Apache::lonnet;
1.119     bowersj2 4566: 
                   4567: my $maxColumns = 2;
1.376     albertel 4568: # it'd be nice if these all worked
                   4569: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4570: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4571: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4572: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4573: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4574: 		 "a4 [210x297 mm]");
1.119     bowersj2 4575: 
                   4576: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4577: #                   Paper type
                   4578: 
                   4579: sub new { 
1.131     bowersj2 4580:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4581: 
1.135     bowersj2 4582:     shift;
                   4583: 
1.131     bowersj2 4584:     $self->{'variable'} = shift;
1.134     bowersj2 4585:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4586:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4587:     bless($self);
1.119     bowersj2 4588:     return $self;
                   4589: }
                   4590: 
                   4591: sub render {
                   4592:     my $self = shift;
1.131     bowersj2 4593:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4594:     my $result = '';
1.131     bowersj2 4595:     my $var = $self->{'variable'};
1.266     sakharuk 4596:     my $PageLayout=&mt('Page layout');
                   4597:     my $NumberOfColumns=&mt('Number of columns');
                   4598:     my $PaperType=&mt('Paper type');
1.506     albertel 4599:     my $landscape=&mt('Landscape');
                   4600:     my $portrait=&mt('Portrait');
1.539     onken    4601:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4602:     my $with=&mt('with Formfields');
                   4603:     my $without=&mt('without Formfields');
1.556     foxr     4604:     
                   4605: 
1.544     bisitz   4606:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4607:             .&Apache::loncommon::start_data_table()
                   4608:             .&Apache::loncommon::start_data_table_header_row()
                   4609:             .'<th>'.$PageLayout.'</th>'
                   4610:             .'<th>'.$NumberOfColumns.'</th>'
                   4611:             .'<th>'.$PaperType.'</th>'
                   4612:             .'<th>'.$pdfFormLabel.'</th>'
                   4613:             .&Apache::loncommon::end_data_table_header_row()
                   4614:             .&Apache::loncommon::start_data_table_row()
                   4615:     .'<td>'
                   4616:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4617:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4618:     .'</td>';
1.119     bowersj2 4619: 
1.544     bisitz   4620:     $result.='<td align="center">'
                   4621:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4622: 
                   4623:     my $i;
                   4624:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4625:         if ($i == 2) {
1.553     bisitz   4626:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4627:         } else {
1.553     bisitz   4628:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4629:         }
                   4630:     }
                   4631: 
                   4632:     $result .= "</select></td><td>\n";
                   4633:     $result .= "<select name='${var}.paper'>\n";
                   4634: 
1.373     albertel 4635:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4636:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4637:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4638:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4639:     $i = 0;
                   4640:     foreach (@paperSize) {
1.326     sakharuk 4641: 	$_=~/(\w+)/;
                   4642: 	my $papersize=$1;
1.304     sakharuk 4643:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4644:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4645:         } else {
1.553     bisitz   4646:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4647:         }
                   4648:         $i++;
                   4649:     }
1.539     onken    4650:     $result .= <<HTML;
                   4651:         </select>
                   4652:     </td>
                   4653:     <td align='center'>
                   4654:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4655:             <option selected="selected" value="no">$without</option>
                   4656:             <option value="yes">$with</option>
1.539     onken    4657:         </select>
                   4658:     </td>
                   4659: HTML
1.544     bisitz   4660:     $result.=&Apache::loncommon::end_data_table_row()
                   4661:             .&Apache::loncommon::end_data_table();
1.539     onken    4662: 
1.119     bowersj2 4663:     return $result;
1.135     bowersj2 4664: }
                   4665: 
                   4666: sub postprocess {
                   4667:     my $self = shift;
                   4668: 
                   4669:     my $var = $self->{'variable'};
1.136     bowersj2 4670:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 4671:     $helper->{VARS}->{$var} = 
1.373     albertel 4672:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    4673:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 4674:     return 1;
1.119     bowersj2 4675: }
                   4676: 
                   4677: 1;
1.144     bowersj2 4678: 
                   4679: package Apache::lonprintout::page_size_state;
                   4680: 
                   4681: =pod
                   4682: 
                   4683: =head1 Helper element: page_size_state
                   4684: 
                   4685: See lonhelper.pm documentation for discussion of the helper framework.
                   4686: 
                   4687: Apache::lonprintout::page_size_state is an element that gives the 
                   4688: user the opportunity to further refine the page settings if they
                   4689: select a single-column page.
                   4690: 
                   4691: page_size_state is always directly invoked in lonprintout.pm, so there
                   4692: is no tag interface. You actually pass parameters to the constructor.
                   4693: 
                   4694: =over 4
                   4695: 
                   4696: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   4697: 
                   4698: =back
                   4699: 
                   4700: =cut
                   4701: 
                   4702: use Apache::lonhelper;
1.373     albertel 4703: use Apache::lonnet;
1.144     bowersj2 4704: no strict;
                   4705: @ISA = ("Apache::lonhelper::element");
                   4706: use strict;
                   4707: 
                   4708: 
                   4709: 
                   4710: sub new { 
                   4711:     my $self = Apache::lonhelper::element->new();
                   4712: 
                   4713:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   4714:            # package descriptor)... - Jeremy
                   4715: 
                   4716:     $self->{'variable'} = shift;
                   4717:     my $helper = Apache::lonhelper::getHelper();
                   4718:     $helper->declareVar($self->{'variable'});
                   4719: 
                   4720:     # The variable name of the format element, so we can look into 
                   4721:     # $helper->{VARS} to figure out whether the columns are one or two
                   4722:     $self->{'formatvar'} = shift;
                   4723: 
1.463     foxr     4724: 
1.144     bowersj2 4725:     $self->{NEXTSTATE} = shift;
                   4726:     bless($self);
1.467     foxr     4727: 
1.144     bowersj2 4728:     return $self;
                   4729: }
                   4730: 
                   4731: sub render {
                   4732:     my $self = shift;
                   4733:     my $helper = Apache::lonhelper::getHelper();
                   4734:     my $result = '';
                   4735:     my $var = $self->{'variable'};
                   4736: 
1.467     foxr     4737: 
                   4738: 
1.144     bowersj2 4739:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 4740:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 4741:     }
                   4742: 
1.438     foxr     4743:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     4744: 
                   4745:     # Use format to get sensible defaults for the margins:
                   4746: 
                   4747: 
                   4748:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4749:     ($papersize)                      = split(/ /, $papersize);
                   4750: 
1.559     foxr     4751:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     4752: 
                   4753: 
                   4754: 
1.464     albertel 4755:     my %size;
                   4756:     ($size{'width_and_units'},
                   4757:      $size{'height_and_units'},
                   4758:      $size{'margin_and_units'})=
                   4759: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     4760:     
1.464     albertel 4761:     foreach my $dimension ('width','height','margin') {
                   4762: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   4763: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   4764:        	
                   4765: 	foreach my $unit ('cm','in') {
                   4766: 	    $size{$dimension.'_options'} .= '<option ';
                   4767: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   4768: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   4769: 	    }
                   4770: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   4771: 	}
1.438     foxr     4772:     }
                   4773: 
1.470     foxr     4774:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   4775: 
                   4776:     if ($size{'margin_unit'} eq 'in') {
                   4777: 	$size{'margin'} += 1;
                   4778:     }  else {
                   4779: 	$size{'margin'} += 2.54;
                   4780:     }
1.548     bisitz   4781:     my %lt = &Apache::lonlocal::texthash(
                   4782:         'format' => 'How should each column be formatted?',
                   4783:         'width'  => 'Width',
                   4784:         'height' => 'Height',
                   4785:         'margin' => 'Left Margin'
                   4786:     );
                   4787: 
                   4788:     $result .= '<p>'.$lt{'format'}.'</p>'
                   4789:               .&Apache::lonhtmlcommon::start_pick_box()
                   4790:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   4791:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   4792:               .'<select name="'.$var.'.widthunit">'
                   4793:               .$size{'width_options'}
                   4794:               .'</select>'
                   4795:               .&Apache::lonhtmlcommon::row_closure()
                   4796:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   4797:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   4798:               .'<select name="'.$var.'.heightunit">'
                   4799:               .$size{'height_options'}
                   4800:               .'</select>'
                   4801:               .&Apache::lonhtmlcommon::row_closure()
                   4802:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   4803:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   4804:               .'<select name="'.$var.'.lmarginunit">'
                   4805:               .$size{'margin_options'}
                   4806:               .'</select>'
                   4807:               .&Apache::lonhtmlcommon::row_closure(1)
                   4808:               .&Apache::lonhtmlcommon::end_pick_box();
                   4809:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   4810:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 4811: 
                   4812:     return $result;
                   4813: }
                   4814: 
1.470     foxr     4815: 
1.144     bowersj2 4816: sub preprocess {
                   4817:     my $self = shift;
                   4818:     my $helper = Apache::lonhelper::getHelper();
                   4819: 
                   4820:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     4821: 
                   4822:     #  If the user does not have 'pav' privilege, set default widths and
                   4823:     #  on to the next state right away.
                   4824:     #
                   4825:     if (!$perm{'pav'}) {
                   4826: 	my $var = $self->{'variable'};
                   4827: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   4828: 	
                   4829: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   4830: 	($papersize)                      = split(/ /, $papersize);
                   4831: 	
                   4832: 	
1.560     foxr     4833: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     4834: 
1.467     foxr     4835: 	#  Figure out some good defaults for the print out and set them:
                   4836: 	
                   4837: 	my %size;
                   4838: 	($size{'width'},
                   4839: 	 $size{'height'},
                   4840: 	 $size{'lmargin'})=
                   4841: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   4842: 	
                   4843: 	foreach my $dim ('width', 'height', 'lmargin') {
                   4844: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     4845: 	    	    
1.467     foxr     4846: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   4847: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   4848: 	    
                   4849: 	}
                   4850: 	
                   4851: 
                   4852: 	# Transition to the next state
                   4853: 
                   4854: 	$helper->changeState($self->{NEXTSTATE});
                   4855:     }
1.144     bowersj2 4856:    
                   4857:     return 1;
                   4858: }
                   4859: 
                   4860: sub postprocess {
                   4861:     my $self = shift;
                   4862: 
                   4863:     my $var = $self->{'variable'};
                   4864:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 4865:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   4866:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   4867:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   4868:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   4869:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   4870:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 4871: 
                   4872:     my $error = '';
                   4873: 
                   4874:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   4875:     # by an optional period, followed by digits, ending the string
                   4876: 
1.464     albertel 4877:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4878:         $error .= "Invalid width; please type only a number.<br />\n";
                   4879:     }
1.464     albertel 4880:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4881:         $error .= "Invalid height; please type only a number.<br />\n";
                   4882:     }
1.464     albertel 4883:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 4884:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     4885:     } else {
                   4886: 	# Adjust for LaTeX 1.0 inch margin:
                   4887: 
                   4888: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   4889: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   4890: 	} else {
                   4891: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   4892: 	}
1.144     bowersj2 4893:     }
                   4894: 
                   4895:     if (!$error) {
                   4896:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   4897:         return 1;
                   4898:     } else {
                   4899:         $self->{ERROR_MSG} = $error;
                   4900:         return 0;
                   4901:     }
                   4902: }
                   4903: 
                   4904: 
1.119     bowersj2 4905: 
1.1       www      4906: __END__
1.6       sakharuk 4907: 

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