Annotation of loncom/interface/lonprintout.pm, revision 1.623

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.623   ! raeburn     4: # $Id: lonprintout.pm,v 1.622 2012/11/20 12:03:06 foxr Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: # http://www.lon-capa.org/
                     26: #
1.3       sakharuk   27: #
1.1       www        28: package Apache::lonprintout;
                     29: use strict;
1.615     foxr       30: use POSIX;
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;
1.612     foxr       44: # use Apache::structurelags;	# for language management.
1.550     foxr       45: 
                     46: use File::Basename;
1.531     foxr       47: 
1.515     foxr       48: use HTTP::Response;
1.491     albertel   49: use LONCAPA::map();
1.616     foxr       50: use POSIX qw(ctime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.588     foxr       55: 
1.397     albertel   56: my %perm;
1.454     foxr       57: my %parmhash;
1.459     foxr       58: my $resources_printed;
1.454     foxr       59: 
1.515     foxr       60: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     61: #
                     62: 
                     63: my $ssi_error;			# True if there was an ssi error.
                     64: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     65: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     66: 
                     67: #
                     68: #  Our ssi max retry count.
                     69: #
                     70: 
                     71: my $ssi_retry_count = 5;	# Some arbitrary value.
                     72: 
                     73: 
1.556     foxr       74: #  Font size:
                     75: 
                     76: my $font_size = 'normalsize';	# Default is normalsize...
                     77: 
1.562     foxr       78: #----------------------------  Helper helpers. -------------------------
                     79: 
1.616     foxr       80: ## 
                     81: # Filter function to determine if a resource is a printable sequence.
                     82: #
                     83: # @param $res -Resource to check.
                     84: #
                     85: # @return 1 - printable and a resource
                     86: #         0 - either notm a sequence or not printable.
                     87: #
                     88: sub printable_sequence {
                     89:     my $res = shift;
                     90: 
                     91:     # Non-sequences are not listed:
                     92: 
                     93:     if (!$res->is_sequence()) {
                     94: 	return 0;
                     95:     }
                     96: 
                     97:     # Person with pav or pfo can always print:
                     98: 
                     99:     if ($perm{'pav'} || $perm{'pfo'}) {
                    100: 	return 1;
                    101:     }
                    102: 
                    103:     if ($res->is_sequence()) {
                    104: 	my $symb = $res->symb();
                    105: 	my $navmap   = $res->{NAV_MAP};
                    106: 
                    107: 	# Find the first resource in the map:
                    108: 
                    109: 	my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
                    110: 	my $first    = $iterator->next();
                    111: 
                    112: 	while (1) {
1.617     foxr      113: 	    if ($first == $iterator->END_ITERATOR) { last; }
1.616     foxr      114: 	    if (ref($first) && ! $first->is_sequence()) {last; }
                    115: 	    $first = $iterator->next();
                    116: 	}
                    117: 
                    118: 
                    119: 	# Might be an empty map:
                    120: 
                    121: 	if (!ref($first)) {
                    122: 	    return 0;
                    123: 	}
                    124: 	my $partsref = $first->parts();
                    125: 	my @parts    = @$partsref;
                    126: 	my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
                    127: 	return &printable($open, $close);
                    128:     }
                    129:     return 0;
                    130: }
                    131: 
1.590     foxr      132: # BZ5209:
                    133: #    Create the states needed to run the helper for incomplete problems from
                    134: #    the current folder for selected students.
                    135: #    This includes:
                    136: #    -  A resource selector limited to problems (incompleteness must be
                    137: #       calculated on a student per student basis.
                    138: #    -  A student selector.
                    139: #    -  Tie in to the FORMAT of the print job.
                    140: #
                    141: # States:
                    142: #   CHOOSE_INCOMPLETE_PEOPLE_SEQ      - Resource selection.
                    143: #   CHOOSE_STUDENTS_INCOMPLETE        - Student selection.
                    144: #   CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
                    145: # Parameters:
                    146: #    helper - the helper which already contains info about the current folder we can
                    147: #             purloin.
                    148: #    url    - Top url of the sequence
                    149: # Return:
                    150: #     XML that can be parsed by the helper to drive the state machine.
                    151: #
                    152: sub create_incomplete_folder_selstud_helper($helper)
                    153: {
                    154:     my ($helper, $map)  = @_;
                    155: 
                    156: 
                    157:     my $symbFilter = '$res->shown_symb()';
                    158:     my $selFilter   = '$res->is_problem()';
                    159: 
                    160: 
                    161:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
                    162: 						      'Select problem(s) to print',
                    163: 						      'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                    164: 						      'RESOURCES',
                    165: 						      'CHOOSE_STUDENTS_INCOMPLETE',
                    166: 						      $map,
                    167: 						      $selFilter,
                    168: 						      '',
                    169: 						      $symbFilter, 
                    170: 						      '');
                    171: 
                    172:     my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
                    173: 						 'student_sort',
                    174: 						 'STUDENTS',
                    175: 						 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
                    176: 
                    177:     my $format_chooser = &generate_format_selector($helper,
                    178: 						'Format of the print job',
1.598     raeburn   179: 						'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
1.590     foxr      180: 
                    181:     return $resource_chooser . $student_chooser . $format_chooser;
                    182: }  
                    183: 
                    184: 
                    185: # BZ 5209
                    186: #     Create the states needed to run the helper for incomplete problems from
                    187: #     the current folder for selected students.
                    188: #     This includes:
                    189: #     - A resource selector limited to problems.  (incompleteness must be calculated
                    190: #       on a student per student basis.
                    191: #     - A student selector.
                    192: #     - Tie in to format for the print job.
                    193: # States:
                    194: #    INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
                    195: #    INCOMPLETE_PROBLEMS_COURSE_STUDENTS  - Student selector.
                    196: #    INCOMPLETE_PROBLEMS_COURSE_FORMAT    - Format selection.
                    197: #
                    198: # Parameters:
                    199: #   helper   - Helper we are creating states for.
                    200: # Returns:
                    201: #   Text that can be parsed by the helper.
                    202: # 
                    203: 
                    204: sub create_incomplete_course_helper {
                    205:     my $helper = shift;
                    206: 
                    207:     my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                    208:     my $symbfilter = '$res->shown_symb()';
                    209:     
                    210:     my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
                    211: 						      'Select problem(s) to print',
                    212: 						      'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
                    213: 						      'RESOURCES',
                    214: 						      'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    215: 						      '',
                    216: 						      $filter,
                    217: 						      '',
                    218: 						      $symbfilter,
                    219: 						      '');
                    220: 
                    221:     my $people_chooser  = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    222: 						    'student_sort',
                    223: 						    'STUDENTS',
                    224: 						    'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
                    225: 
                    226:     my $format = &generate_format_selector($helper,
                    227: 					   'Format of the print job',
                    228: 					   'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
                    229: 
                    230:     return $resource_chooser . $people_chooser . $format;
                    231: 
                    232: 
                    233: }
                    234: 
                    235: # BZ5209 
                    236: #   Creates the states needed to run the print helper for a student
                    237: #   that wants to print his incomplete problems from the current folder.
                    238: # Parameters:
                    239: #   $helper - helper we are generating states for.
                    240: #   $map    - The map for which the student wants incomplete problems.
                    241: # Returns:
                    242: #   XML that defines the helper states being created.
                    243: #
                    244: # States:
                    245: #   CHOOSE_INCOMPLETE_SEQ  - Resource selector.
                    246: #
                    247: sub create_incomplete_folder_helper {
                    248:     my ($helper, $map) = @_;
                    249: 
                    250:     my $filter    = '$res->is_problem()';
                    251:     $filter      .= ' && $res->resprintable() ';
                    252:     $filter      .= ' && $res->is_incomplete() ';
                    253: 
                    254:     my $symfilter = '$res->shown_symb()';
                    255: 
                    256:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
                    257: 						      'Select problem(s) to print',
                    258: 						      'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
                    259: 						      'RESOURCES',
                    260: 						      'PAGESIZE',
                    261: 						      $map,
                    262: 						      $filter, '', 
                    263: 						      $symfilter,
                    264: 						      '');
                    265: 
                    266:     return $resource_chooser;
                    267: }
                    268: 
                    269: 
                    270: #  Returns the text neded for a student chooser.
1.562     foxr      271: #  that text must still be parsed by the helper xml parser.
                    272: # Parameters:
                    273: #   this_state   - State name of the chooser.
                    274: #   sort_choice  - variable to hold the sorting choice.
                    275: #   variable     - Name of variable to hold students.
                    276: #   next_state   - State after chooser.
                    277: 
                    278: 
                    279: sub generate_student_chooser {
                    280:     my ($this_state, 
                    281: 	$sort_choice, 
                    282: 	$variable, 
                    283: 	$next_state) = @_;
                    284:     my $result = <<CHOOSE_STUDENTS;
                    285:   <state name="$this_state" title="Select Students and Resources">
                    286:       <message><b>Select sorting order of printout</b> </message>
                    287: 
                    288:     <choices variable="$sort_choice">
                    289:       <choice computer='0'>Sort by section then student</choice>
                    290:       <choice computer='1'>Sort by students across sections.</choice>
                    291:     </choices>
                    292: 
                    293:       <message><br /><hr /><br /> </message>
                    294:       <student multichoice='1' 
                    295:                variable="$variable" 
                    296:                nextstate="$next_state" 
                    297:                coursepersonnel="1" />
                    298:   </state>
                    299: 
                    300: CHOOSE_STUDENTS
                    301: 
                    302:   return $result;
                    303: }
                    304: 
                    305: # Generate the text needed for a resource chooser given the top level of
                    306: # the sequence/page
                    307: #
                    308: # Parameters:
                    309: #     this_state    - State name of the chooser.
                    310: #     prompt_text   - Text to use to prompt user.
                    311: #     resource_options - Resource tag options e.g.
                    312: #                        "multichoice='1', toponly='1', addstatus='1'"
                    313: #                     that control the selection and appearance of the
                    314: #                     resource selector.
                    315: #     variable      - Name of the variable to hold the choice
                    316: #     next_state    - Name of the next state the helper should transition
                    317: #                     to
                    318: #     top_url       - Top level URL within which to make the selector.
                    319: #                     If empty the top level sequence is shown.
                    320: #     filter        - How to filter the resources.
                    321: #     value_func    - <valuefunc> function.
                    322: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    323: #     start_new_option 
                    324: #                   - Fragment appended after valuefunc.
                    325: #
                    326: #
                    327: sub generate_resource_chooser {
                    328:     my ($this_state,
                    329: 	$prompt_text,
                    330: 	$resource_options,
                    331: 	$variable,
                    332: 	$next_state,
                    333: 	$top_url,
                    334: 	$filter,
                    335: 	$choice_func,
                    336: 	$value_func,
                    337: 	$start_new_option)  = @_;
                    338: 
                    339:     my $result = <<CHOOSE_RESOURCES;
                    340: <state name="$this_state" title="$prompt_text">
                    341:     <resource variable="$variable" $resource_options
                    342:               closeallpages="1">
                    343:       <nextstate>$next_state</nextstate>
                    344:       <filterfunc>return $filter;</filterfunc>
                    345: CHOOSE_RESOURCES
                    346:     if ($choice_func ne '') {
                    347: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    348:     }
                    349:     if ($top_url ne '') {
                    350: 	$result .=  "<mapurl>$top_url</mapurl>";
                    351:     }
                    352:     $result .= <<CHOOSE_RESOURCES;
                    353:       <valuefunc>return $value_func;</valuefunc>
                    354:       $start_new_option
                    355:       </resource>
                    356:     </state>
                    357: CHOOSE_RESOURCES
                    358:     return $result;
                    359: }
                    360: #
                    361: #   Generate the helper XML for a code choice helper dialog:
                    362: #
                    363: # Paramters:
                    364: #   $helper       - Reference to the helper.
                    365: #   $state        - Name of the state for the chooser.
                    366: #   $next_state   - Name fo the state to follow the chooser.
                    367: #   $bubble_types - Populates the bubble sheet type dropt down.
                    368: #   $code_selections - Provides set of code choices that have been used
                    369: #   $saved_codes  - Provides the list of saved codes.
                    370: #
                    371: # Returns;
                    372: #   The Xml of the code chooser.
                    373: #
                    374: sub generate_code_selector {
                    375:     my ($helper,
                    376: 	$state,
                    377: 	$next_state,
                    378: 	$bubble_types,
                    379: 	$code_selections,
                    380: 	$saved_codes) = @_;	# Unpack the parameters.
                    381: 
                    382:     my $result = <<CHOOSE_ANON1;
                    383:   <state name="$state" title="Specify CODEd Assignments">
                    384:     <nextstate>$next_state</nextstate>
                    385:     <message><h4>Fill out one of the forms below</h4></message>
                    386:     <message><br /><hr /> <br /></message>
                    387:     <message><h3>Generate new CODEd Assignments</h3></message>
                    388:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      389:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      390:        <validator>
                    391: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    392: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    393:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      394: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    395: 
1.562     foxr      396: 	    return "You need to specify the number of assignments to print";
                    397: 	}
1.578     foxr      398:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    399:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    400:             return 'Specifying number of codes to print and a specific code is not compatible';
                    401:         }
1.562     foxr      402: 	return undef;
                    403:        </validator>
                    404:     </string>
                    405:     <message></td></tr><tr><td></message>
                    406:     <message><b>Names to save the CODEs under for later:</b></message>
                    407:     <message></td><td></message>
                    408:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    409:     <message></td></tr><tr><td></message>
1.599     raeburn   410:     <message><b>Bubblesheet type:</b></message>
1.562     foxr      411:     <message></td><td></message>
                    412:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    413:     $bubble_types
                    414:     </dropdown>
                    415:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    416:     <message></td></tr><tr><td></table></message>
                    417:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    418:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    419:     <string variable="SINGLE_CODE" size="10">
                    420:         <validator>
                    421: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    422: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    423: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    424: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    425: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      426: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      427: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      428: 	   } else {
                    429: 	       return undef;	# Other forces control us.
                    430: 	   }
                    431:         </validator>
                    432:     </string>
                    433:     <message></td></tr><tr><td></message>
                    434:         $code_selections
                    435:     <message></td></tr></table></message>
                    436:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    437:     <message><b>Select saved CODEs:</b></message>
                    438:     <message></td><td></message>
                    439:     <dropdown variable="REUSE_OLD_CODES">
                    440:         $saved_codes
                    441:     </dropdown>
                    442:     <message></td></tr></table></message>
                    443:   </state>
                    444: CHOOSE_ANON1
                    445: 
                    446:    return $result;
                    447: }
                    448: 
1.598     raeburn   449: #  Returns the XML for choosing how assignments are to be formatted 
                    450: #  that text must still be parsed by the helper xml parser.
                    451: # Parameters: 3 (required)
                    452: 
                    453: #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
                    454: #                  to check if splitting PDFs by section can be offered.
                    455: #   title        - Title for the current state. 
                    456: #   this_state   - State name of the chooser.
                    457: 
1.586     raeburn   458: sub generate_format_selector {
1.598     raeburn   459:     my ($helper,$title,$this_state) = @_;
1.586     raeburn   460:     my $secpdfoption;
                    461:     unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                    462:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
                    463:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {
                    464:         $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
                    465:     }
                    466:     return <<RESOURCE_SELECTOR;
1.598     raeburn   467:     <state name="$this_state" title="$title">
1.586     raeburn   468:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                    469:     <choices variable="EMPTY_PAGES">
                    470:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                    471:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                    472:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                    473:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
                    474:     </choices>
                    475:     <nextstate>PAGESIZE</nextstate>
                    476:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                    477:     <choices variable="SPLIT_PDFS">
                    478:        <choice computer="all">All assignments in a single PDF file</choice>
                    479:        $secpdfoption
                    480:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                    481:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                    482:             Specify the number of assignments per PDF:</choice>
                    483:     </choices>
                    484:     </state>
                    485: RESOURCE_SELECTOR
                    486: }
                    487: 
1.562     foxr      488: #-----------------------------------------------------------------------
                    489: 
1.616     foxr      490: # Computes an open and close date from a list of open/close dates for a resource's
                    491: # parts.
                    492: #
                    493: # @param \@opens - reference to an array of open dates.
                    494: # @param \@closes - reference to an array of close dates.
                    495: #
                    496: # @return ($open, $close) 
                    497: #
                    498: # @note If open/close dates are not defined they will be retunred as undef
                    499: # @note It is possible for there to be no overlap in which case -1,-1 
                    500: #       will be returned.
                    501: # @note The algorithm used is to take the latest open date and the earliest end date.
                    502: #
                    503: sub compute_open_window {
                    504:     my ($opensref, $closesref) = @_;
                    505: 
                    506:     my @opens   = @$opensref;
                    507:     my @closes  = @$closesref;
                    508: 
                    509:     # latest open date:
                    510:     my $latest_open;
                    511: 
                    512:     foreach my $open (@opens) {
                    513: 	if (!defined($latest_open) || ($open > $latest_open)) {
                    514: 	    $latest_open = $open;
                    515: 	}
                    516:     }
                    517:     # Earliest close:
                    518: 
                    519:     my $earliest_close;
                    520:     foreach my $close (@closes) {
                    521: 	if (!defined($earliest_close) || ($close < $earliest_close)) {
                    522: 	    $earliest_close = $close;
                    523: 	}
                    524:     }
                    525: 
                    526:     # If no overlap...both are -1 as promised.
                    527: 
                    528:     if (defined($earliest_close) && defined($latest_open)
                    529: 	 && ($earliest_close < $latest_open)) {
                    530: 	$latest_open  = -1;
                    531: 	$earliest_close = -1;
                    532:     }
                    533:     
                    534:     return ($latest_open, $earliest_close);
                    535:   
                    536: }
                    537: 
                    538: ##
                    539: #  Determines if 'now' is within the set of printable dates.
                    540: #
                    541: #  @param $open_date - Starting date/timestamp.
                    542: #  @param $close_date - Ending date/timestamp.
                    543: #
                    544: #  @return 0 - Not open.
                    545: #  @return 1 - open.
                    546: #
                    547: sub printable {
                    548:     my ($open_date, $close_date) = @_;
                    549: 
                    550: 
                    551:     my $now = time();
                    552: 
                    553:     # Have to do a bit of fancy footwork around undefined open/close dates:
                    554: 
                    555:     if ($open_date && ($open_date > $now)) {
                    556: 	return 0;
                    557:     }
                    558: 
                    559:     if ($close_date && ($close_date < $now)) {
                    560: 	return 0;
                    561:     }
                    562:     
                    563:     return 1;
                    564: 
                    565: }
                    566: 
1.615     foxr      567: ##
                    568: # Returns the innermost print start/print end dates for a resource.
                    569: # This is done by looking at the start/end dates for its parts and choosing
                    570: # the intersection of those dates.
                    571: # 
                    572: # @param res - lonnvamaps::resource object that represents the resource.
                    573: #
                    574: # @return (opendate, closedate)
                    575: #
                    576: # @note If open/close dates are not defined they will be retunred as undef
                    577: # @note It is possible for there to be no overlap in which case -1,-1 
                    578: #       will be returned.
                    579: # @note The algorithm used is to take the latest open date and the earliest end date.
                    580: #
                    581: 
                    582: sub get_print_dates {
                    583:     my $res = shift;
                    584:     my $partsref = $res->parts();
1.620     raeburn   585:     my @parts;
                    586:     if (ref($partsref) eq 'ARRAY') {
                    587:         @parts   = @{$partsref};
                    588:     }
1.615     foxr      589:     my $open_date;
                    590:     my $close_date;
1.616     foxr      591:     my @open_dates;
                    592:     my @close_dates;
                    593: 
1.615     foxr      594: 
1.620     raeburn   595:     if (@parts) {
1.615     foxr      596: 	foreach my $part (@parts) {
                    597: 	    my $partopen  = $res->parmval('printstartdate', $part);
                    598: 	    my $partclose = $res->parmval('printenddate',  $part);
1.616     foxr      599: 
                    600: 	    push(@open_dates, $partopen);
                    601: 	    push(@close_dates, $partclose);
                    602: 	}
                    603:     }
                    604: 
                    605:     ($open_date, $close_date)  = &compute_open_window(\@open_dates, \@close_dates);
                    606: 
                    607:     if ($open_date) {
                    608: 	$open_date  = POSIX::strftime('%D', localtime($open_date));
                    609:     }
                    610:     if ($close_date) {
                    611: 	$close_date = POSIX::strftime('%D', localtime($close_date));
                    612:     }
                    613: 
                    614:     return ($open_date, $close_date);
                    615: }
                    616: 
                    617: ##
                    618: # Get the dates for which a course says a resource can be printed.  This is like
                    619: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
                    620: # to times either.
                    621: #
                    622: # @param $res - Reference to a resource has from lonnvampas::resource.
                    623: #
                    624: # @return (opendate, closedate)
                    625: #
                    626: sub course_print_dates {
                    627:     my $res = shift;
                    628:     my $partsref = $res->parts();
                    629:     my @parts    = @$partsref;
                    630:     my $open_date;
                    631:     my $close_date;
                    632:     my @open_dates;
                    633:     my @close_dates;
                    634:     my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
                    635: 
                    636:     # Don't bother looping over undefined or empty parts arraY;
                    637: 
1.620     raeburn   638:     if (@parts) {
1.616     foxr      639: 	foreach my $part (@parts) {
                    640: 	    my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
                    641: 	    push(@open_dates, $partopen);
                    642: 	    push(@close_dates, $partclose);
1.615     foxr      643: 	}
1.616     foxr      644: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
1.615     foxr      645:     }
1.616     foxr      646:     return ($open_date, $close_date);
                    647: }
                    648: ##
                    649: # Same as above but for the enclosing map:
                    650: #
                    651: sub map_print_dates {
                    652:     my $res = shift;
                    653:     my $partsref = $res->parts();
                    654:     my @parts    = @$partsref;
                    655:     my $open_date;
                    656:     my $close_date;
                    657:     my @open_dates;
                    658:     my @close_dates;
                    659:     my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
                    660: 
                    661: 
                    662:     # Don't bother looping over undefined or empty parts arraY;
1.615     foxr      663: 
1.620     raeburn   664:     if (@parts) {
1.616     foxr      665: 	foreach my $part (@parts) {
                    666: 	    my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
                    667: 	    push(@open_dates, $partopen);
                    668: 	    push(@close_dates, $partclose);
                    669: 	}
                    670: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
                    671:     }
1.615     foxr      672:     return ($open_date, $close_date);
                    673: }
                    674: 
1.591     foxr      675: # Determine if a resource is incomplete given the map:
                    676: # Parameters:
                    677: #   $username - Name of user for whom we are checking.
                    678: #   $domain   - Domain of user we are checking.
                    679: #   $map - map name.
                    680: # Returns:
                    681: #     0 - map is not incomplete.
                    682: #     1 - map is incomplete.
                    683: #
                    684: sub incomplete {
                    685:     my ($username, $domain, $map) = @_;
                    686: 
                    687: 
1.595     foxr      688:     my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
1.591     foxr      689:     
                    690: 
                    691:     if (defined($navmap)) {
                    692: 	my $res = $navmap->getResourceByUrl($map);
                    693: 	my $result = $res->is_incomplete();
                    694: 	return $result;
                    695:     } else {
                    696: 	return 1;
                    697:     }
                    698: }
1.595     foxr      699: #
                    700: #  When printing for students, the resoures and order of the
                    701: #  resources may need to be altered if there are folders with
                    702: #  random selectiopn or random ordering (or both) enabled.
                    703: #  This sub computes the set of resources to print for a student
                    704: #  modified both by random ordering and selection and filtered
                    705: #  to only those that are in the original set selcted to be printed.
                    706: #
                    707: # Parameters:
                    708: #   $helper - The helper we need $helper->{'VARS'}->{'symb'}
                    709: #            to construct the navmap and the iteration.
                    710: #   $seq   - The original set of resources to print 
1.600     foxr      711: #            (really an array of resource names (array of symb's).
1.595     foxr      712: #   $who   - Student/domain for whome the sequence will be generated.
                    713: #
                    714: # Implicit inputs:
                    715: #   $
                    716: # Returns:
                    717: #   reference to an array of resources that can be passed to
                    718: #   print_resources.
                    719: # 
                    720: sub master_seq_to_person_seq {
                    721:     my ($helper, $seq, $who) = @_;
                    722: 
                    723: 
                    724:     my ($username, $userdomain, $usersection) = split(/:/, $who);
                    725: 
1.600     foxr      726: 
1.595     foxr      727:     # Toss the sequence up into a hash so that we have O(1) lookup time.
                    728:     # on the items that come out of the user's list of resources.
                    729:     #
                    730:     
                    731:     my %seq_hash = map {$_  => 1} @$seq;
                    732:     my @output_seq;
                    733:     
                    734:     my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
                    735:     my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain);
                    736:     my $iterator         = $navmap->getIterator($navmap->firstResource(),
                    737: 						$navmap->finishResource(),
                    738: 						{}, 1);
                    739:     my %nonResourceItems = (
                    740: 	$iterator->BEGIN_MAP    => 1,
                    741: 	$iterator->BEGIN_BRANCH => 1,
                    742: 	$iterator->END_BRANCH   => 1,
                    743: 	$iterator->END_MAP      => 1,
                    744: 	$iterator->FORWARD      => 1,
                    745: 	$iterator->BACKWARD     => 1
                    746: 
                    747:     );		# These items are not resources but appear in the midst of iteration.
                    748: 
                    749:     #  Iterate on the resource..select the items that are randomly selected
                    750:     #  and that are in the seq_has.  Presumably the iterator will take care
                    751:     # of the random ordering part of the deal.
                    752:     #
                    753:     my $curres;
                    754:     while ($curres = $iterator->next()) {
                    755: 	#
1.600     foxr      756: 	#  Only process resources..that are not removed by randomout...
                    757: 	#  and are selected for printint as well.
1.595     foxr      758: 	#
1.610     foxr      759:      
1.595     foxr      760: 	if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
                    761: 	    my $symb = $curres->symb();
                    762: 	    if (exists $seq_hash{$symb}) {
                    763: 		push(@output_seq, $symb);
                    764: 	    }
                    765: 	}
                    766:     }
                    767:    				
                    768: 
                    769:     return \@output_seq;		# for now.
                    770:     
                    771: }
                    772: 
1.515     foxr      773: 
1.498     foxr      774: # Fetch the contents of a resource, uninterpreted.
                    775: # This is used here to fetch a latex file to be included
                    776: # verbatim into the printout<
                    777: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    778: #
                    779: # Parameters:
                    780: #   URL of the file
                    781: #
                    782: sub fetch_raw_resource {
                    783:     my ($url) = @_;
                    784: 
                    785:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      786:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      787: 
1.500     foxr      788:     if ($contents == -1) {
                    789: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      790:     }
1.500     foxr      791:     return $contents;
1.498     foxr      792: 
                    793:     
                    794: }
                    795: 
1.511     foxr      796: #  Fetch the annotations associated with a URL and 
                    797: #  put a centered 'annotations:' title.
                    798: #  This is all suppressed if the annotations are empty.
                    799: #
                    800: sub annotate {
                    801:     my ($symb) = @_;
                    802: 
1.559     foxr      803:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      804: 
                    805: 
                    806:     my $result = "";
                    807: 
                    808:     if (length($annotation_text) > 0) {
                    809: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    810: 	$result .= "\n";
                    811: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    812: 	$result .= "\n\n";
                    813:     }
                    814:     return $result;
                    815: }
                    816: 
1.556     foxr      817: #
                    818: #   Set a global document font size:
                    819: #   This is done by replacing \begin{document}
                    820: #   with \begin{document}{\some-font-directive
                    821: #   and \end{document} with
                    822: #   }\end{document
                    823: #
                    824: sub set_font_size {
                    825: 
                    826:     my ($text) = @_;
                    827: 
1.575     foxr      828:     # There appear to be cases where the font directive is empty.. in which
                    829:     # case the first substituion would  insert a spurious \ oh happy day.
                    830:     # as this has been the cause of much mystery and hair pulling _sigh_
                    831: 
                    832:     if ($font_size ne '') {
                    833: 
                    834: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    835:     }
1.556     foxr      836:     $text =~ s/\\end{document}/}\\end{document}/;
                    837:     return $text;
                    838: 
                    839: 
                    840: }
                    841: 
1.550     foxr      842: # include_pdf - PDF files are included into the 
                    843: # output as follows:
                    844: #  - The PDF, if necessary, is replicated.
                    845: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    846: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    847: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    848: #
                    849: # Parameters:
                    850: #   pdf_uri   - URI of the PDF file to include.
                    851: #   
                    852: # Returns:
                    853: #  The LaTeX to include.
                    854: #
                    855: # Assumptions:
                    856: #    The uri is actually a PDF file
                    857: #    The postscript will have the includepsheader.ps included.
                    858: #
                    859: #
                    860: sub include_pdf {
                    861:     my ($pdf_uri) = @_;
                    862: 
                    863:     # Where is the file? If not local we'll need to repcopy it:'
                    864: 
                    865:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    866:     if (! -e $file) {
                    867: 	&Apache::lonnet::repcopy($file);
                    868: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    869:     }
                    870: 
                    871:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    872:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    873:     # need tob e converted for this print job:
                    874: 
1.608     raeburn   875:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
                    876:     $file =~ s{(.*)/res/}{$londocroot/res/};
1.550     foxr      877: 
1.608     raeburn   878:     open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.550     foxr      879:     print FILE ("$file\n");
                    880:     close (FILE);
                    881: 
                    882:     # Construct the special to put out.  To do this we need to get the
                    883:     # resulting filename after conversion.  The file will have the same name
                    884:     # but will be in the user's spool directory with converted images.
                    885: 
                    886:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    887:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    888: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    889:     $base =~ s/ /\_/g;
                    890: 
                    891: 
1.551     foxr      892:     my $output = &print_latex_header();
1.550     foxr      893:     $output    .= '\special{ps: _begin_job_ ('
                    894: 	.$base.'.pdf.eps'.
                    895: 	')run _end_job_}';
                    896: 
                    897:     return $output;
                    898: 
                    899: 
                    900: }
1.612     foxr      901: ##
                    902: #  Collect the various \select_language{language_name}
                    903: #  latex tags to build a \usepackage[lang-list]{babel} which will
                    904: #  appear just prior to the \begin{document} at the front of the concatenated
                    905: #  set of resources:
                    906: # @param doc - The string of latex to search/replace.
                    907: # @return string
                    908: # @retval - the modified document stringt.
                    909: #
                    910: sub collect_languages {
                    911:     my $doc = shift;
                    912:     my %languages;
                    913:     while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
                    914: 	$languages{$1} = 1;	# allows us to request each language exactly once.
                    915:     }
                    916:     my @lang_list = (keys(%languages)); # List of unique languages
                    917:     if (scalar @lang_list) {
                    918: 	my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
                    919: 	$doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
                    920:     }
                    921:     return $doc;
                    922: }
                    923: #-------------------------------------------------------------------
1.515     foxr      924: 
                    925: #
1.559     foxr      926: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      927: #                      if the ssi call returns an error we'll retry it up to
                    928: #                      the number of times requested by the caller.
                    929: #                      If we still have a proble, no text is appended to the
                    930: #                      output and we set some global variables.
1.523     raeburn   931: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      932: #                      All of this is supposed to deal with the issues described
                    933: #                      in LonCAPA BZ 5631 see:
                    934: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    935: #                      by informing the user that this happened.
                    936: #
                    937: # Parameters:
                    938: #   resource   - The resource to include.  This is passed directly, without
                    939: #                interpretation to lonnet::ssi.
                    940: #   form       - The form hash parameters that guide the interpretation of the resource
                    941: #                
                    942: #   retries    - Number of retries allowed before giving up completely.
                    943: # Returns:
                    944: #   On success, returns the rendered resource identified by the resource parameter.
                    945: # Side Effects:
                    946: #   The following global variables can be set:
1.523     raeburn   947: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      948: #                               It is up to the caller to initialize this to false
                    949: #                               if desired.
1.523     raeburn   950: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      951: #                               of the resource that could not be rendered by the ssi
                    952: #                               call.
                    953: #    ssi_last_error           - The error string fetched from the ssi response
                    954: #                               in the event of an error.
                    955: #
                    956: sub ssi_with_retries {
                    957:     my ($resource, $retries, %form) = @_;
                    958: 
1.559     foxr      959:     my $target = $form{'grade_target'};
                    960:     my $aom    = $form{'answer_output_mode'};
                    961: 
                    962: 
1.515     foxr      963: 
1.516     foxr      964:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    965:     if (!$response->is_success) {
1.515     foxr      966: 	$ssi_error               = 1;
                    967: 	$ssi_last_error_resource = $resource;
1.516     foxr      968: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   969:         $content='\section*{!!! An error occurred !!!}';	
1.515     foxr      970:     }
1.516     foxr      971: 
                    972:     return $content;
                    973: 
1.515     foxr      974: }
                    975: 
1.524     www       976: sub get_student_view_with_retries {
                    977:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    978: 
                    979:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    980:     if (!$response->is_success) {
                    981:         $ssi_error               = 1;
1.526     www       982:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       983:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   984:         $content='\section*{!!! An error occurred !!!}';
1.524     www       985:     }
                    986:     return $content;
                    987: 
                    988: }
                    989: 
1.486     foxr      990: #
                    991: #   printf_style_subst  item format_string repl
                    992: #  
                    993: # Does printf style substitution for a format string that
                    994: # can have %[n]item in it.. wherever, %[n]item occurs,
                    995: # rep is substituted in format_string.  Note that
                    996: # [n] is an optional integer length.  If provided,
                    997: # repl is truncated to at most [n] characters prior to 
                    998: # substitution.
                    999: #
                   1000: sub printf_style_subst {
                   1001:     my ($item, $format_string, $repl) = @_;
1.490     foxr     1002:     my $result = "";
                   1003:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel 1004: 	my $fmt = $1;
                   1005: 	my $size = $2;
1.486     foxr     1006: 	my $subst = $repl;
                   1007: 	if ($size ne "") {
                   1008: 	    $subst = substr($subst, 0, $size);
1.490     foxr     1009: 	    
                   1010: 	    #  Here's a nice edge case.. supose the end of the
                   1011: 	    #  substring is a \.  In that case may have  just
                   1012: 	    #  chopped off a TeX escape... in that case, we append
                   1013: 	    #   " " for the trailing character, and let the field 
                   1014: 	    #  spill over a bit (sigh).
                   1015: 	    #  We don't just chop off the last character in order to deal
                   1016: 	    #  with one last pathology, and that would be if substr had
                   1017: 	    #  trimmed us to e.g. \\\  
                   1018: 
                   1019: 
                   1020: 	    if ($subst =~ /\\$/) {
                   1021: 		$subst .= " ";
                   1022: 	    }
1.486     foxr     1023: 	}
1.490     foxr     1024: 	my $item_pos = pos($format_string);
                   1025: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                   1026:         $format_string = substr($format_string, pos($format_string));
1.486     foxr     1027:     }
1.490     foxr     1028: 
                   1029:     # Put the residual format string into the result:
                   1030: 
                   1031:     $result .= $format_string;
                   1032: 
                   1033:     return $result;
1.486     foxr     1034: }
                   1035: 
1.454     foxr     1036: 
                   1037: # Format a header according to a format.  
                   1038: # 
                   1039: 
                   1040: # Substitutions:
                   1041: #     %a    - Assignment name.
                   1042: #     %c    - Course name.
                   1043: #     %n    - Student name.
1.537     foxr     1044: #     %s    - The section if it is supplied.
1.454     foxr     1045: #
                   1046: sub format_page_header {
1.537     foxr     1047:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                   1048: 
1.565     foxr     1049: 
                   1050: 
1.486     foxr     1051:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr     1052:     my $chars_per_line = int($width/1.6);   # Character/textline.
                   1053: 
1.454     foxr     1054:     #  Default format?
                   1055: 
                   1056:     if ($format eq '') {
1.486     foxr     1057: 	# For the default format, we may need to truncate
                   1058: 	# elements..  To do this we need to get the page width.
                   1059: 	# we assume that each character is about 2mm in width.
                   1060: 	# (correct for the header text size??).  We ignore
                   1061: 	# any formatting (e.g. boldfacing in this).
                   1062: 	# 
                   1063: 	# - Allow the student/course to be one line.
                   1064: 	#   but only truncate the course.
                   1065: 	# - Allow the assignment to be 2 lines (wrapped).
                   1066: 	#
1.565     foxr     1067: 
1.537     foxr     1068: 	
                   1069: 
                   1070: 	my $name_length    = int($chars_per_line *3 /4);
                   1071: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr     1072: 
1.537     foxr     1073: 	$format  = "%$name_length".'n';
1.486     foxr     1074: 
1.537     foxr     1075: 	if ($section) {
                   1076: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr     1077: 	}
1.489     foxr     1078: 
1.537     foxr     1079: 	$format .= '\\\\%c \\\\ %a';
                   1080:         
1.490     foxr     1081: 
1.454     foxr     1082:     }
1.537     foxr     1083:     # An open question is how to handle long user formatted page headers...
                   1084:     # A possible future is to support e.g. %na so that the user can control
                   1085:     # the truncation of the elements that can appear in the header.
                   1086:     #
                   1087:     $format =  &printf_style_subst("a", $format, $assignment);
                   1088:     $format =  &printf_style_subst("c", $format, $course);
                   1089:     $format =  &printf_style_subst("n", $format, $student);
                   1090:     $format =  &printf_style_subst("s", $format, $section);
                   1091:     
                   1092:     
                   1093:     # If the user put %'s in the format string, they  must be escaped
                   1094:     # to \% else LaTeX will think they are comments and terminate
                   1095:     # the line.. which is bad!!!
                   1096:     
1.538     onken    1097:     # If the user has role author, $course and $assignment are empty so
                   1098:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                   1099:     if($format =~ /\\\\\s\\\\\s/) {
                   1100:         #TODO find sensible caption for page header
                   1101:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                   1102:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                   1103:     }
1.565     foxr     1104:     #
                   1105:     #  We're going to trust LaTeX to break lines appropriately, but
                   1106:     #  we'll truncate anything that's more than 3 lines worth of
                   1107:     # text.  This is also assuming (which will probably end badly)
                   1108:     # nobody's going to embed LaTeX control sequences in the title
                   1109:     # header or rather that those control sequences won't get broken
                   1110:     # by the stuff below.
                   1111:     #
                   1112:     my $total_length = 3*$chars_per_line;
                   1113:     if (length($format) > $total_length) {
                   1114: 	$format = substr($format, 0, $total_length);
                   1115:     }
                   1116: 
1.454     foxr     1117: 
                   1118:     return $format;
                   1119:     
                   1120: }
1.397     albertel 1121: 
1.385     foxr     1122: #
                   1123: #   Convert a numeric code to letters
                   1124: #
                   1125: sub num_to_letters {
                   1126:     my ($num) = @_;
                   1127:     my @nums= split('',$num);
                   1128:     my @num_to_let=('A'..'Z');
                   1129:     my $word;
                   1130:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1131:     return $word;
                   1132: }
                   1133: #   Convert a letter code to numeric.
                   1134: #
                   1135: sub letters_to_num {
                   1136:     my ($letters) = @_;
                   1137:     my @letters = split('', uc($letters));
1.490     foxr     1138:    my %substitution;
1.385     foxr     1139:     my $digit = 0;
                   1140:     foreach my $letter ('A'..'J') {
                   1141: 	$substitution{$letter} = $digit;
                   1142: 	$digit++;
                   1143:     }
                   1144:     #  The substitution is done as below to preserve leading
                   1145:     #  zeroes which are needed to keep the code size exact
                   1146:     #
                   1147:     my $result ="";
                   1148:     foreach my $letter (@letters) {
                   1149: 	$result.=$substitution{$letter};
                   1150:     }
                   1151:     return $result;
                   1152: }
                   1153: 
1.383     foxr     1154: #  Determine if a code is a valid numeric code.  Valid
                   1155: #  numeric codes must be comprised entirely of digits and
1.384     albertel 1156: #  have a correct number of digits.
1.383     foxr     1157: #
                   1158: #  Parameters:
                   1159: #     value      - proposed code value.
1.384     albertel 1160: #     num_digits - Number of digits required.
1.383     foxr     1161: #
                   1162: sub is_valid_numeric_code {
1.384     albertel 1163:     my ($value, $num_digits) = @_;
1.383     foxr     1164:     #   Remove leading/trailing whitespace;
1.387     foxr     1165:     $value =~ s/^\s*//g;
                   1166:     $value =~ s/\s*$//g;
1.383     foxr     1167:     
                   1168:     #  All digits?
1.387     foxr     1169:     if ($value !~ /^[0-9]+$/) {
1.383     foxr     1170: 	return "Numeric code $value has invalid characters - must only be digits";
                   1171:     }
1.384     albertel 1172:     if (length($value) != $num_digits) {
                   1173: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                   1174:     }
1.385     foxr     1175:     return undef;
1.383     foxr     1176: }
                   1177: #   Determines if a code is a valid alhpa code.  Alpha codes
                   1178: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel 1179: #   They also have a correct digit count.
1.383     foxr     1180: # Parameters:
                   1181: #     value          - Proposed code value.
1.384     albertel 1182: #     num_letters    - correct number of letters.
1.383     foxr     1183: # Note:
                   1184: #    leading and trailing whitespace are ignored.
                   1185: #
                   1186: sub is_valid_alpha_code {
1.384     albertel 1187:     my ($value, $num_letters) = @_;
1.383     foxr     1188:     
                   1189:      # strip leading and trailing spaces.
                   1190: 
                   1191:     $value =~ s/^\s*//g;
                   1192:     $value =~ s/\s*$//g;
                   1193: 
                   1194:     #  All alphas in the right range?
1.384     albertel 1195:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr     1196: 	return "Invalid letter code $value must only contain A-J";
                   1197:     }
1.384     albertel 1198:     if (length($value) != $num_letters) {
                   1199: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                   1200:     }
1.385     foxr     1201:     return undef;
1.383     foxr     1202: }
                   1203: 
1.382     foxr     1204: #   Determine if a code entered by the user in a helper is valid.
                   1205: #   valid depends on the code type and the type of code selected.
                   1206: #   The type of code selected can either be numeric or 
                   1207: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                   1208: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                   1209: #   We'll be nice and be case insensitive for alpha codes.
                   1210: # Parameters:
                   1211: #    code_value    - the value of the code the user typed in.
                   1212: #    code_option   - The code type selected from the set in the scantron format
                   1213: #                    table.
                   1214: # Returns:
                   1215: #    undef         - The code is valid.
                   1216: #    other         - An error message indicating what's wrong.
                   1217: #
                   1218: sub is_code_valid {
                   1219:     my ($code_value, $code_option) = @_;
1.383     foxr     1220:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn  1221:     my @lines = &Apache::grades::get_scantronformat_file();
                   1222:     foreach my $line (@lines) {
1.383     foxr     1223: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                   1224: 	if($name eq $code_option) {
                   1225: 	    $code_length = $length;
                   1226: 	    if($type eq 'number') {
                   1227: 		$code_type = 'number';
                   1228: 	    }
                   1229: 	}
                   1230:     }
                   1231:     my $valid;
                   1232:     if ($code_type eq 'number') {
1.385     foxr     1233: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr     1234:     } else {
1.385     foxr     1235: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr     1236:     }
1.382     foxr     1237: 
                   1238: }
1.618     foxr     1239: #
                   1240: # Compare two students by section (Used to sort by section).
                   1241: #
                   1242: #  Implicit inputs, 
                   1243: #    $a - The first one
                   1244: #    $b - The second one.
                   1245: #
                   1246: #  Returns:
                   1247: #     a-section cmp b-section
                   1248: #
                   1249: sub compare_sections {
                   1250:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1251:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1252: 
                   1253:     return $s1 cmp $s2;
                   1254: }
1.382     foxr     1255: 
1.341     foxr     1256: #   Compare two students by name.  The students are in the form
                   1257: #   returned by the helper:
                   1258: #      user:domain:section:last,   first:status
                   1259: #   This is a helper function for the perl sort built-in  therefore:
                   1260: # Implicit Inputs:
                   1261: #    $a     - The first element to compare (global)
                   1262: #    $b     - The second element to compare (global)
                   1263: # Returns:
                   1264: #   -1   - $a < $b
                   1265: #    0   - $a == $b
                   1266: #   +1   - $a > $b
                   1267: #   Note that the initial comparison is done on the last names with the
                   1268: #   first names only used to break the tie.
                   1269: #
                   1270: #
                   1271: sub compare_names {
                   1272:     #  First split the names up into the primary fields.
                   1273: 
                   1274:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1275:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1276: 
                   1277:     # Now split the last name and first name of each n:
                   1278:     #
                   1279: 
                   1280:     my ($l1,$f1) = split(/,/, $n1);
                   1281:     my ($l2,$f2) = split(/,/, $n2);
                   1282: 
                   1283:     # We don't bother to remove the leading/trailing whitespace from the
                   1284:     # firstname, unless the last names compare identical.
                   1285: 
                   1286:     if($l1 lt $l2) {
                   1287: 	return -1;
                   1288:     }
                   1289:     if($l1 gt $l2) {
                   1290: 	return  1;
                   1291:     }
                   1292: 
                   1293:     # Break the tie on the first name, but there are leading (possibly trailing
                   1294:     # whitespaces to get rid of first 
                   1295:     #
                   1296:     $f1 =~ s/^\s+//;		# Remove leading...
                   1297:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                   1298:     
                   1299:     $f2 =~ s/^\s+//;
                   1300:     $f2 =~ s/\s+$//;		# And the same for first 2...
                   1301: 
                   1302:     if($f1 lt $f2) {
                   1303: 	return -1;
                   1304:     }
                   1305:     if($f1 gt $f2) {
                   1306: 	return 1;
                   1307:     }
                   1308:     
                   1309:     #  Must be the same name.
                   1310: 
                   1311:     return 0;
                   1312: }
                   1313: 
1.71      sakharuk 1314: sub latex_header_footer_remove {
                   1315:     my $text = shift;
                   1316:     $text =~ s/\\end{document}//;
                   1317:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                   1318:     return $text;
                   1319: }
1.423     foxr     1320: #
                   1321: #  If necessary, encapsulate text inside 
                   1322: #  a minipage env.
                   1323: #  necessity is determined by the problem_split param.
                   1324: #
                   1325: sub encapsulate_minipage {
                   1326:     my ($text) = @_;
1.427     albertel 1327:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr     1328: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                   1329:     }
                   1330:     return $text;
                   1331: }
1.429     foxr     1332: #
                   1333: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                   1334: #  variables interact, this sub looks at these two parameters
                   1335: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                   1336: #     all     - if SPLIT_PDFS eq 'all'.
                   1337: #     1       - if SPLIT_PDFS eq 'oneper'
                   1338: #     section - if SPLIT_PDFS eq 'sections'
                   1339: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                   1340: #
                   1341: sub adjust_number_to_print {
                   1342:     my $helper = shift;
1.71      sakharuk 1343: 
1.429     foxr     1344:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                   1345:     
                   1346:     if ($split_pdf eq 'all') {
                   1347: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                   1348:     } elsif ($split_pdf eq 'oneper') {
                   1349: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                   1350:     } elsif ($split_pdf eq 'sections') {
                   1351: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                   1352:     } elsif ($split_pdf eq 'usenumber') {
                   1353: 	#  Unmodified.
                   1354:     } else {
                   1355: 	# Error!!!!
1.536     foxr     1356: 	
                   1357: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr     1358: 
                   1359:     }
                   1360: }
1.71      sakharuk 1361: 
1.531     foxr     1362: 
1.37      sakharuk 1363: sub character_chart {
1.531     foxr     1364:     my $result = shift;
                   1365:     return  &Apache::entities::replace_entities($result);
                   1366: }
                   1367: 
                   1368: sub old_character_chart {
1.37      sakharuk 1369:     my $result = shift;	
1.116     sakharuk 1370:     $result =~ s/&\#0?0?(7|9);//g;
                   1371:     $result =~ s/&\#0?(10|13);//g;
                   1372:     $result =~ s/&\#0?32;/ /g;
                   1373:     $result =~ s/&\#0?33;/!/g;
                   1374:     $result =~ s/&(\#0?34|quot);/\"/g;
                   1375:     $result =~ s/&\#0?35;/\\\#/g;
                   1376:     $result =~ s/&\#0?36;/\\\$/g;
                   1377:     $result =~ s/&\#0?37;/\\%/g; 
                   1378:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                   1379:     $result =~ s/&\#(0?39|146);/\'/g;
                   1380:     $result =~ s/&\#0?40;/(/g;
                   1381:     $result =~ s/&\#0?41;/)/g;
                   1382:     $result =~ s/&\#0?42;/\*/g;
                   1383:     $result =~ s/&\#0?43;/\+/g;
                   1384:     $result =~ s/&\#(0?44|130);/,/g;
                   1385:     $result =~ s/&\#0?45;/-/g;
                   1386:     $result =~ s/&\#0?46;/\./g;
                   1387:     $result =~ s/&\#0?47;/\//g;
                   1388:     $result =~ s/&\#0?48;/0/g;
                   1389:     $result =~ s/&\#0?49;/1/g;
                   1390:     $result =~ s/&\#0?50;/2/g;
                   1391:     $result =~ s/&\#0?51;/3/g;
                   1392:     $result =~ s/&\#0?52;/4/g;
                   1393:     $result =~ s/&\#0?53;/5/g;
                   1394:     $result =~ s/&\#0?54;/6/g;
                   1395:     $result =~ s/&\#0?55;/7/g;
                   1396:     $result =~ s/&\#0?56;/8/g;
                   1397:     $result =~ s/&\#0?57;/9/g;
1.269     albertel 1398:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk 1399:     $result =~ s/&\#0?59;/;/g;
                   1400:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk 1401:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                   1402:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk 1403:     $result =~ s/&\#0?63;/\?/g;
                   1404:     $result =~ s/&\#0?65;/A/g;
                   1405:     $result =~ s/&\#0?66;/B/g;
                   1406:     $result =~ s/&\#0?67;/C/g;
                   1407:     $result =~ s/&\#0?68;/D/g;
                   1408:     $result =~ s/&\#0?69;/E/g;
                   1409:     $result =~ s/&\#0?70;/F/g;
                   1410:     $result =~ s/&\#0?71;/G/g;
                   1411:     $result =~ s/&\#0?72;/H/g;
                   1412:     $result =~ s/&\#0?73;/I/g;
                   1413:     $result =~ s/&\#0?74;/J/g;
                   1414:     $result =~ s/&\#0?75;/K/g;
                   1415:     $result =~ s/&\#0?76;/L/g;
                   1416:     $result =~ s/&\#0?77;/M/g;
                   1417:     $result =~ s/&\#0?78;/N/g;
                   1418:     $result =~ s/&\#0?79;/O/g;
                   1419:     $result =~ s/&\#0?80;/P/g;
                   1420:     $result =~ s/&\#0?81;/Q/g;
                   1421:     $result =~ s/&\#0?82;/R/g;
                   1422:     $result =~ s/&\#0?83;/S/g;
                   1423:     $result =~ s/&\#0?84;/T/g;
                   1424:     $result =~ s/&\#0?85;/U/g;
                   1425:     $result =~ s/&\#0?86;/V/g;
                   1426:     $result =~ s/&\#0?87;/W/g;
                   1427:     $result =~ s/&\#0?88;/X/g;
                   1428:     $result =~ s/&\#0?89;/Y/g;
                   1429:     $result =~ s/&\#0?90;/Z/g;
                   1430:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk 1431:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk 1432:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk 1433:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk 1434:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                   1435:     $result =~ s/&\#(0?96|145);/\`/g;
                   1436:     $result =~ s/&\#0?97;/a/g;
                   1437:     $result =~ s/&\#0?98;/b/g;
                   1438:     $result =~ s/&\#0?99;/c/g;
                   1439:     $result =~ s/&\#100;/d/g;
                   1440:     $result =~ s/&\#101;/e/g;
                   1441:     $result =~ s/&\#102;/f/g;
                   1442:     $result =~ s/&\#103;/g/g;
                   1443:     $result =~ s/&\#104;/h/g;
                   1444:     $result =~ s/&\#105;/i/g;
                   1445:     $result =~ s/&\#106;/j/g;
                   1446:     $result =~ s/&\#107;/k/g;
                   1447:     $result =~ s/&\#108;/l/g;
                   1448:     $result =~ s/&\#109;/m/g;
                   1449:     $result =~ s/&\#110;/n/g;
                   1450:     $result =~ s/&\#111;/o/g;
                   1451:     $result =~ s/&\#112;/p/g;
                   1452:     $result =~ s/&\#113;/q/g;
                   1453:     $result =~ s/&\#114;/r/g;
                   1454:     $result =~ s/&\#115;/s/g;
                   1455:     $result =~ s/&\#116;/t/g;
                   1456:     $result =~ s/&\#117;/u/g;
                   1457:     $result =~ s/&\#118;/v/g;
                   1458:     $result =~ s/&\#119;/w/g;
                   1459:     $result =~ s/&\#120;/x/g;
                   1460:     $result =~ s/&\#121;/y/g;
                   1461:     $result =~ s/&\#122;/z/g;
                   1462:     $result =~ s/&\#123;/\\{/g;
                   1463:     $result =~ s/&\#124;/\|/g;
                   1464:     $result =~ s/&\#125;/\\}/g;
                   1465:     $result =~ s/&\#126;/\~/g;
                   1466:     $result =~ s/&\#131;/\\textflorin /g;
                   1467:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk 1468:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                   1469:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                   1470:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk 1471:     $result =~ s/&\#137;/\\textperthousand /g;
                   1472:     $result =~ s/&\#140;/{\\OE}/g;
                   1473:     $result =~ s/&\#147;/\`\`/g;
                   1474:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk 1475:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel 1476:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk 1477:     $result =~ s/&\#151;/---/g;
1.281     sakharuk 1478:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk 1479:     $result =~ s/&\#153;/\\texttrademark /g;
                   1480:     $result =~ s/&\#156;/\\oe/g;
                   1481:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel 1482:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk 1483:     $result =~ s/&(\#161|iexcl);/!\`/g;
                   1484:     $result =~ s/&(\#162|cent);/\\textcent /g;
                   1485:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                   1486:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                   1487:     $result =~ s/&(\#165|yen);/\\textyen /g;
                   1488:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                   1489:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr     1490:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk 1491:     $result =~ s/&(\#169|copy);/\\copyright /g;
                   1492:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk 1493:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk 1494:     $result =~ s/&(\#173|shy);/ - /g;
                   1495:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk 1496:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                   1497:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                   1498:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                   1499:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                   1500:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr     1501:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk 1502:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk 1503:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk 1504:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk 1505:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk 1506:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk 1507:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                   1508:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                   1509:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                   1510:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                   1511:     $result =~ s/&(\#191|iquest);/?\`/g;   
                   1512:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                   1513:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                   1514:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                   1515:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                   1516:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                   1517:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                   1518:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                   1519:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                   1520:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                   1521:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                   1522:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                   1523:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                   1524:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                   1525:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                   1526:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                   1527:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                   1528:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                   1529:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                   1530:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                   1531:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                   1532:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                   1533:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk 1534:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk 1535:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                   1536:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                   1537:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                   1538:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                   1539:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                   1540:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk 1541:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk 1542:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                   1543:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                   1544:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                   1545:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                   1546:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                   1547:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                   1548:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1549:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1550:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1551:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1552:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1553:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1554:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1555:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1556:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1557:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1558:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1559:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1560:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1561:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1562:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1563:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1564:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1565:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1566:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1567:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1568:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1569:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1570:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1571:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1572:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1573:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1574:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1575: #Greek Alphabet
1.281     sakharuk 1576:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1577:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1578:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1579:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1580:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1581:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1582:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1583:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1584:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1585:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1586:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1587:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1588:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1589:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1590:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1591:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1592:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1593:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1594:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1595:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1596:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1597:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1598:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1599:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1600:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1601:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1602:     $result =~ s/&(Alpha|\#913);/A/g;
                   1603:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1604:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1605:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1606:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1607:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1608:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1609:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1610:     $result =~ s/&(Iota|\#921);/I/g;
                   1611:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1612:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1613:     $result =~ s/&(Mu|\#924);/M/g;
                   1614:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1615:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1616:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1617:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1618:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1619:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1620:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1621:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1622:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1623:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1624:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1625:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1626: #Arrows (extended HTML 4.01)
1.281     sakharuk 1627:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1628:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1629:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1630:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1631:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1632:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1633:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1634:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1635:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1636:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1637: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1638:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1639:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1640:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1641:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1642:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1643:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1644:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1645:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1646:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1647:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1648:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1649:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1650:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1651:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1652:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1653:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1654:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1655:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1656:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1657:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1658:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1659:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1660:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1661:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1662:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1663:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1664:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1665:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1666:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1667:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1668:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1669:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1670:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1671:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1672:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1673:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1674:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1675:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1676: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1677:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1678: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1679:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1680:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1681:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1682:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1683: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1684: 
1.495     foxr     1685:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1686:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1687:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1688:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1689:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1690:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1691:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1692:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1693:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1694:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1695:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1696:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1697:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1698: 
                   1699:     # Left/right quotations:
                   1700: 
                   1701:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1702:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1703: 
                   1704: 
1.559     foxr     1705: 
1.37      sakharuk 1706:     return $result;
                   1707: }
1.41      sakharuk 1708: 
                   1709: 
1.327     albertel 1710:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1711: my %page_formats=
                   1712:     ('letter' => {
                   1713: 	 'book' => {
1.493     foxr     1714: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1715: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1716: 	 },
                   1717: 	 'album' => {
1.496     foxr     1718: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1719: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1720: 	 },
                   1721:      },
                   1722:      'legal' => {
                   1723: 	 'book' => {
                   1724: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1725: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1726: 	 },
                   1727: 	 'album' => {
1.376     albertel 1728: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1729:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1730:           },
                   1731:      },
                   1732:      'tabloid' => {
                   1733: 	 'book' => {
                   1734: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1735: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1736: 	 },
                   1737: 	 'album' => {
1.376     albertel 1738: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1739: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1740:           },
                   1741:      },
                   1742:      'executive' => {
                   1743: 	 'book' => {
                   1744: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1745: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1746: 	 },
                   1747: 	 'album' => {
                   1748: 	     '1' => [],
                   1749: 	     '2' => []
                   1750:           },
                   1751:      },
                   1752:      'a2' => {
                   1753: 	 'book' => {
                   1754: 	     '1' => [],
                   1755: 	     '2' => []
                   1756: 	 },
                   1757: 	 'album' => {
                   1758: 	     '1' => [],
                   1759: 	     '2' => []
                   1760:           },
                   1761:      },
                   1762:      'a3' => {
                   1763: 	 'book' => {
                   1764: 	     '1' => [],
                   1765: 	     '2' => []
                   1766: 	 },
                   1767: 	 'album' => {
                   1768: 	     '1' => [],
                   1769: 	     '2' => []
                   1770:           },
                   1771:      },
                   1772:      'a4' => {
                   1773: 	 'book' => {
1.493     foxr     1774: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1775: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1776: 	 },
                   1777: 	 'album' => {
1.496     foxr     1778: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1779: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1780: 	 },
                   1781:      },
                   1782:      'a5' => {
                   1783: 	 'book' => {
                   1784: 	     '1' => [],
                   1785: 	     '2' => []
                   1786: 	 },
                   1787: 	 'album' => {
                   1788: 	     '1' => [],
                   1789: 	     '2' => []
                   1790:           },
                   1791:      },
                   1792:      'a6' => {
                   1793: 	 'book' => {
                   1794: 	     '1' => [],
                   1795: 	     '2' => []
                   1796: 	 },
                   1797: 	 'album' => {
                   1798: 	     '1' => [],
                   1799: 	     '2' => []
                   1800:           },
                   1801:      },
                   1802:      );
                   1803: 
1.177     sakharuk 1804: sub page_format {
1.140     sakharuk 1805: #
1.326     sakharuk 1806: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1807: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1808: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1809: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1810: #                        "A6 [105x148 mm]"
1.140     sakharuk 1811: # 
                   1812:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1813:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1814: }
1.76      sakharuk 1815: 
                   1816: 
1.126     albertel 1817: sub get_name {
                   1818:     my ($uname,$udom)=@_;
1.373     albertel 1819:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1820:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1821:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1822:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1823:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1824:     return $plainname;
1.126     albertel 1825: }
                   1826: 
1.213     albertel 1827: sub get_course {
                   1828:     my $courseidinfo;
1.373     albertel 1829:     if (defined($env{'request.course.id'})) {
1.439     www      1830: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1831: 	my $sec = $env{'request.course.sec'};
                   1832: 	    
1.213     albertel 1833:     }
                   1834:     return $courseidinfo;
                   1835: }
1.177     sakharuk 1836: 
1.76      sakharuk 1837: sub page_format_transformation {
1.312     sakharuk 1838:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1839:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1840: 
1.312     sakharuk 1841:     if ($selectionmade eq '4') {
1.502     foxr     1842: 	if ($choice eq 'all_problems') {
1.561     bisitz   1843:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1844: 	} else {
1.561     bisitz   1845:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1846: 	}
1.312     sakharuk 1847:     } else {
                   1848: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1849:     }
1.261     sakharuk 1850:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1851: 
                   1852: 
1.126     albertel 1853:     my $name = &get_name();
1.213     albertel 1854:     my $courseidinfo = &get_course();
1.455     albertel 1855:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1856:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1857: 					   $courseidinfo, $name);
1.319     sakharuk 1858:     my $topmargintoinsert = '';
                   1859:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1860:     my $fancypagestatement='';
                   1861:     if ($numberofcolumns eq '2') {
1.455     albertel 1862: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1863:     } else {
1.455     albertel 1864: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1865:     }
1.140     sakharuk 1866:     if ($layout eq 'album') {
1.550     foxr     1867: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1868:     } elsif ($layout eq 'book') {
                   1869: 	if ($choice ne 'All class print') { 
1.550     foxr     1870: 	    $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 1871: 	} else {
1.550     foxr     1872: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1873: 	}
1.326     sakharuk 1874: 	if ($papersize eq 'a4') {
1.575     foxr     1875: 	    my $papersize_text;
                   1876: 	    if ($perm{'pav'}) {
                   1877: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1878: 	    } else {
                   1879: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1880: 	    }
                   1881: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1882: 	}
                   1883:     }
1.214     sakharuk 1884:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1885:     if ($indexlist eq 'yes') {
                   1886: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1887: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1888:     }
1.140     sakharuk 1889:     return $text;
                   1890: }
                   1891: 
                   1892: 
1.33      sakharuk 1893: sub page_cleanup {
                   1894:     my $result = shift;	
1.65      sakharuk 1895:  
                   1896:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1897:     my $number_of_columns = $1;
1.33      sakharuk 1898:     my $insert = '{';
1.34      sakharuk 1899:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1900:     $insert .= '}';
1.65      sakharuk 1901:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1902:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1903:     return $result,$number_of_columns;
1.7       sakharuk 1904: }
1.5       sakharuk 1905: 
1.3       sakharuk 1906: 
1.60      sakharuk 1907: sub details_for_menu {
1.335     albertel 1908:     my ($helper)=@_;
1.373     albertel 1909:     my $postdata=$env{'form.postdata'};
1.335     albertel 1910:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1911:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1912:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1913:     return if ( $symbolic eq '');
                   1914: 
1.233     www      1915:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1916:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1917:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1918:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1919: 	$map =~ m|([^/]+)$|;
                   1920: 	$name_of_sequence = $1;
1.63      albertel 1921:     }
1.373     albertel 1922:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1923:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1924: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1925: 	$name_of_map = $1;
                   1926:     }
1.335     albertel 1927:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1928: }
                   1929: 
1.476     albertel 1930: sub copyright_line {
                   1931:     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 } ';
                   1932: }
                   1933: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1934: 
                   1935: sub latex_corrections {
1.408     albertel 1936:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1937: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1938:     my $copyright = &copyright_line();
1.408     albertel 1939:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1940: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1941:     } else {
1.476     albertel 1942: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1943:     }
1.476     albertel 1944:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1945:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1946:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1947: #-- LaTeX corrections     
                   1948:     my $first_comment = index($result,'<!--',0);
                   1949:     while ($first_comment != -1) {
                   1950: 	my $end_comment = index($result,'-->',$first_comment);
                   1951: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1952: 	$first_comment = index($result,'<!--',$first_comment);
                   1953:     }
                   1954:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1955:     #removes more than one empty space
                   1956:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1957:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1958:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1959:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1960:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1961:     #conversion of html characters to LaTeX equivalents
                   1962:     if ($result =~ m/&(\w+|#\d+);/) {
                   1963: 	$result = &character_chart($result);
                   1964:     }
                   1965:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1966:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1967:     return $result;
1.60      sakharuk 1968: }
                   1969: 
1.3       sakharuk 1970: 
1.214     sakharuk 1971: sub index_table {
                   1972:     my $currentURL = shift;
                   1973:     my $insex_string='';
                   1974:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1975:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1976:     return $insex_string;
                   1977: }
                   1978: 
                   1979: 
1.215     sakharuk 1980: sub IndexCreation {
                   1981:     my ($texversion,$currentURL)=@_;
                   1982:     my @key_words=split(/,/,&index_table($currentURL));
                   1983:     my $chunk='';
                   1984:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1985:     if ($st>0) {
                   1986: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1987: 	$chunk=substr($texversion,0,$st+1);
                   1988: 	substr($texversion,0,$st+1)=' ';
                   1989:     }
                   1990:     foreach my $key_word (@key_words) {
                   1991: 	if ($key_word=~/\S+/) {
                   1992: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1993: 	}
                   1994:     }			
                   1995:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1996:     return $texversion;
                   1997: }
                   1998: 
1.242     sakharuk 1999: sub print_latex_header {
                   2000:     my $mode=shift;
1.550     foxr     2001: 
                   2002:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 2003: }
                   2004: 
                   2005: sub path_to_problem {
1.328     albertel 2006:     my ($urlp,$colwidth)=@_;
1.404     albertel 2007:     $urlp=&Apache::lonnet::clutter($urlp);
                   2008: 
1.242     sakharuk 2009:     my $newurlp = '';
1.328     albertel 2010:     $colwidth=~s/\s*mm\s*$//;
                   2011: #characters average about 2 mm in width
1.360     albertel 2012:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 2013: 	my @elements = split('/',$urlp);
1.328     albertel 2014: 	my $curlength=0;
                   2015: 	foreach my $element (@elements) {
1.404     albertel 2016: 	    if ($element eq '') { next; }
1.328     albertel 2017: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 2018: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   2019: 		$curlength=length($element)*2;
1.328     albertel 2020: 	    } else {
                   2021: 		$curlength+=length($element)*2;
1.242     sakharuk 2022: 	    }
1.328     albertel 2023: 	    $newurlp.='/'.$element;
1.242     sakharuk 2024: 	}
1.253     sakharuk 2025:     } else {
                   2026: 	$newurlp=$urlp;
1.242     sakharuk 2027:     }
                   2028:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   2029: }
1.215     sakharuk 2030: 
1.275     sakharuk 2031: sub recalcto_mm {
                   2032:     my $textwidth=shift;
                   2033:     my $LaTeXwidth;
1.339     albertel 2034:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 2035: 	$LaTeXwidth = $1*10;
1.339     albertel 2036:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 2037: 	$LaTeXwidth = $1;
1.339     albertel 2038:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 2039: 	$LaTeXwidth = $1*25.4;
                   2040:     }
                   2041:     $LaTeXwidth.=' mm';
                   2042:     return $LaTeXwidth;
                   2043: }
                   2044: 
1.285     albertel 2045: sub get_textwidth {
                   2046:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 2047:     my $textwidth=$LaTeXwidth;
1.285     albertel 2048:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   2049: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 2050: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   2051: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 2052:     }
1.286     albertel 2053:     return $textwidth;
1.285     albertel 2054: }
                   2055: 
1.296     sakharuk 2056: 
                   2057: sub unsupported {
1.414     albertel 2058:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 2059:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 2060:     my $result.= &print_latex_header($mode);
1.414     albertel 2061:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   2062: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1.623   ! raeburn  2063:         $currentURL=~s|^http://https://|https://|;
1.414     albertel 2064: 	my $title=&Apache::lonnet::gettitle($symb);
                   2065: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   2066: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 2067:     } else {
                   2068: 	$result.=$currentURL;
                   2069:     }
1.419     albertel 2070:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 2071:     return $result;
                   2072: }
                   2073: 
1.559     foxr     2074: #
                   2075: #  Map from helper layout style to the book/album:
                   2076: #
                   2077: sub map_laystyle {
                   2078:     my ($laystyle) = @_;
                   2079:     if ($laystyle eq 'L') {
                   2080: 	$laystyle='album';
                   2081:     } else {
                   2082: 	$laystyle='book';
                   2083:     }
                   2084:     return $laystyle;
                   2085: }
                   2086: 
                   2087: sub print_page_in_course {
                   2088:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
1.602     www      2089: 
1.559     foxr     2090:     my %parmhash       = %$rparmhash;
                   2091:     my @page_resources = @$resources;
                   2092:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   2093:     my $symb = $helper->{'VARS'}->{'symb'};
                   2094: 
                   2095: 
                   2096:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2097: 
                   2098: 
                   2099:     my @temporary_array=split /\|/,$format_from_helper;
                   2100:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   2101:     $laystyle = &map_laystyle($laystyle);
                   2102:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   2103: 								      $numberofcolumns);
                   2104:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   2105: 
                   2106: 
                   2107:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     2108:     my $result   =    &print_latex_header($mode);
1.559     foxr     2109:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   2110: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   2111: 	my $title=&Apache::lonnet::gettitle($symb);
                   2112: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   2113:     } else {
1.582     raeburn  2114:         my $esc_currentURL= $currentURL;
                   2115:         $esc_currentURL =~ s/_/\\_/g;
                   2116: 	$result.=$esc_currentURL;
1.559     foxr     2117:     }
                   2118:     $result .= '\\\\';
                   2119: 
                   2120:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   2121: 	&Apache::lonnet::appenv({'construct.style' =>
                   2122: 				$helper->{'VARS'}->{'style_file'}});
                   2123:     } elsif ($env{'construct.style'}) {
                   2124: 	&Apache::lonnet::delenv('construct.style');
                   2125:     }
                   2126: 
                   2127:     # First is the overall page description.  This is then followed by the 
                   2128:     # components of the page. Each of which must be printed independently.
1.564     foxr     2129:     my $the_page = shift(@page_resources); 
1.559     foxr     2130: 
                   2131: 
                   2132:     foreach my $resource (@page_resources) {
                   2133: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   2134: 	$result           .= $resource->title() . '\\\\';
                   2135: 
                   2136: 	# Recurse if a .page:
                   2137: 
                   2138: 	if ($resource_src =~ /.page$/i) {
                   2139: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   2140: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   2141: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   2142: 						       $resource_src, \@page_resources);
                   2143: 	}
                   2144: 	# these resources go through the XML transformer:
                   2145: 
1.602     www      2146: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {
                   2147: 
1.559     foxr     2148: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
1.602     www      2149: 
1.559     foxr     2150: 	    my %form;
                   2151: 	    my %moreenv;
                   2152: 
                   2153: 	    &Apache::lonxml::remember_problem_counter();
                   2154: 	    $moreenv{'request.filename'}=$urlp;
                   2155: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   2156: 
                   2157: 	    $form{'grade_target'}  = 'tex';
                   2158: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  2159: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     2160: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   2161: 	    
                   2162: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2163: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2164: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2165: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   2166: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2167: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2168: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2169: 		$form{'problem_split'}='yes';
                   2170: 	    }
                   2171: 	    my $rndseed = time;
                   2172: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   2173: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   2174: 	    }
                   2175: 	    $form{'rndseed'}=$rndseed;
                   2176: 	    &Apache::lonnet::appenv(\%moreenv);
                   2177: 	    
                   2178: 	    &Apache::lonxml::clear_problem_counter();
                   2179: 
                   2180: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   2181: 
                   2182: 
                   2183: 	    # current document with answers.. no need to encap in minipage
                   2184: 	    #  since there's only one answer.
                   2185: 
                   2186: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2187: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   2188: 		my %answerform = %form;
                   2189: 
                   2190: 
                   2191: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2192: 		$answerform{'grade_target'}='answer';
                   2193: 		$answerform{'answer_output_mode'}='tex';
                   2194: 		$answerform{'rndseed'}=$rndseed;
                   2195:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2196: 		    $answerform{'problemtype'}='exam';
                   2197: 		}
                   2198: 		$resources_printed .= $urlp.':';
                   2199: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   2200: 
                   2201: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2202: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2203: 		} else {
1.562     foxr     2204: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     2205: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2206: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2207: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2208: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2209: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   2210: 		    } else {
1.602     www      2211: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
                   2212:                         &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   2213: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
1.559     foxr     2214: 		    }
                   2215: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2216: 		}
                   2217: 
                   2218: 
                   2219: 		
                   2220: 
                   2221: 	    
                   2222: 	    }
                   2223: 	    # Print annotations.
                   2224: 
                   2225: 
                   2226: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2227: 		my $annotation .= &annotate($currentURL);
                   2228: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2229: 	    }
                   2230: 	    
                   2231: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2232: 		$texversion=&IndexCreation($texversion,$currentURL);
                   2233: 	    }
                   2234: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2235: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2236: 
                   2237: 	    }
1.562     foxr     2238: 	    $texversion = &latex_header_footer_remove($texversion);
                   2239: 
                   2240: 	    # the first remaining line is a comment from londefdef the second
                   2241: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   2242:             # (imperfect removal from header_footer_remove?
                   2243: 
                   2244: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   2245: 
1.559     foxr     2246: 	    $result .= $texversion;
                   2247: 	    if ($currentURL=~m/\.page\s*$/) {
                   2248: 		($result,$numberofcolumns) = &page_cleanup($result);
                   2249: 	    }
                   2250: 	}
                   2251:     }
                   2252: 
                   2253:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   2254:     return $result;
                   2255: }
                   2256: 
1.296     sakharuk 2257: 
1.363     foxr     2258: #
1.395     www      2259: # List of recently generated print files
                   2260: #
                   2261: sub recently_generated {
1.584     raeburn  2262:     my ($prtspool) = @_;
                   2263:     my $output;
1.400     albertel 2264:     my $zip_result;
                   2265:     my $pdf_result;
1.395     www      2266:     opendir(DIR,$prtspool);
1.400     albertel 2267: 
                   2268:     my @files = 
                   2269: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      2270:     closedir(DIR);
1.400     albertel 2271: 
                   2272:     @files = sort {
                   2273: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   2274: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   2275: 	return $bctime <=> $actime;
                   2276:     } (@files);
                   2277: 
                   2278:     foreach my $filename (@files) {
                   2279: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   2280: 	my ($cdev,$cino,$cmode,$cnlink,
                   2281: 	    $cuid,$cgid,$crdev,$csize,
                   2282: 	    $catime,$cmtime,$cctime,
                   2283: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   2284:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   2285: 	my $result=&Apache::loncommon::start_data_table_row()
                   2286:                   .'<td>'
                   2287:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   2288:                   .'</td>'
                   2289:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   2290:                   .'<td align="right">'.$csize.'</td>'
                   2291:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 2292: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   2293: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   2294:     }
1.544     bisitz   2295:     if ($zip_result || $pdf_result) {
1.584     raeburn  2296:         $output ='<hr />';
1.544     bisitz   2297:     }
1.400     albertel 2298:     if ($zip_result) {
1.584     raeburn  2299: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   2300:                   .&Apache::loncommon::start_data_table()
                   2301:                   .&Apache::loncommon::start_data_table_header_row()
                   2302:                   .'<th>'.&mt('Download').'</th>'
                   2303:                   .'<th>'.&mt('Creation Date').'</th>'
                   2304:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2305:                   .&Apache::loncommon::end_data_table_header_row()
                   2306:                   .$zip_result
1.584     raeburn  2307:                   .&Apache::loncommon::end_data_table();
1.400     albertel 2308:     }
                   2309:     if ($pdf_result) {
1.584     raeburn  2310: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   2311:                   .&Apache::loncommon::start_data_table()
                   2312:                   .&Apache::loncommon::start_data_table_header_row()
                   2313:                   .'<th>'.&mt('Download').'</th>'
                   2314:                   .'<th>'.&mt('Creation Date').'</th>'
                   2315:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2316:                   .&Apache::loncommon::end_data_table_header_row()
                   2317:                   .$pdf_result
1.584     raeburn  2318:                   .&Apache::loncommon::end_data_table();
1.396     albertel 2319:     }
1.584     raeburn  2320:     return $output;
1.395     www      2321: }
                   2322: 
                   2323: #
1.363     foxr     2324: #   Retrieve the hash of page breaks.
                   2325: #
                   2326: #  Inputs:
                   2327: #    helper   - reference to helper object.
                   2328: #  Outputs
                   2329: #    A reference to a page break hash.
                   2330: #
                   2331: #
1.610     foxr     2332: # use Data::Dumper;
1.569     foxr     2333: # sub dump_helper_vars {
1.418     foxr     2334: #    my ($helper) = @_;
                   2335: #    my $helpervars = Dumper($helper->{'VARS'});
                   2336: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   2337: #}
1.363     foxr     2338: 
1.481     albertel 2339: sub get_page_breaks  {
                   2340:     my ($helper) = @_;
                   2341:     my %page_breaks;
                   2342: 
                   2343:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   2344: 	$page_breaks{$break} = 1;
                   2345:     }
                   2346:     return %page_breaks;
                   2347: }
1.569     foxr     2348: # 
                   2349: #   Returns text to insert for any extra vskip prior to the resource.
                   2350: #   Parameters:
                   2351: #     helper   - Reference to the helper object driving the printout.
                   2352: #     resource - Identifies the resource about to be printed.
                   2353: #
                   2354: #   This is done as follows:
                   2355: #    POSSIBLE_RESOURCES has the list of possible resources.
                   2356: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     2357: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   2358: #                       mm. All others are 'in'.
1.569     foxr     2359: #    
                   2360: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   2361: #    of the EXTRASPACE value.
                   2362: #
                   2363: #   In order to speed this up for lengthy printouts, the first time,
                   2364: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   2365: #   EXTRASPACE is turned into an array.
                   2366: #
                   2367: 
                   2368: 
                   2369: my %possible_resources;
1.570     foxr     2370: my %extraspace_mm;
1.569     foxr     2371: my @extraspace;
                   2372: my $skips_loaded       = 0;
                   2373: 
                   2374: #  Function to load the skips hash and array
                   2375: 
                   2376: sub load_skips {
                   2377: 
                   2378:     my ($helper)  = @_;
                   2379: 
                   2380:     #  If this is the first time, unrap the resources and extra spaces:
                   2381: 
                   2382:     if (!$skips_loaded) {
                   2383: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   2384: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   2385: 	my $i = 0;
                   2386: 	foreach my $resource (@resource_list) {
                   2387: 	    $possible_resources{$resource} = $i;
                   2388: 	    $i++;
                   2389: 	}
1.570     foxr     2390: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   2391: 	    $extraspace_mm{$mm_resource} = 1;
                   2392: 	}
1.569     foxr     2393: 	$skips_loaded = 1;
                   2394:     }
                   2395: }
                   2396: 
                   2397: sub get_extra_vspaces {
                   2398:     my ($helper, $resource) = @_;
                   2399: 
                   2400:     &load_skips($helper);
                   2401: 
                   2402:     #  Lookup the resource in the possible resources hash.. that is the index
                   2403:     # into the extraspace array that gives us either an empty string or
                   2404:     # the number of mm to skip:
                   2405: 
                   2406:     my $index = $possible_resources{$resource};
                   2407:     my $skip  = $extraspace[$index];
                   2408: 
                   2409:     my $result = '';
                   2410:     if ($skip ne '') {
1.570     foxr     2411: 	my $units = 'in';
                   2412: 	if (defined($extraspace_mm{$resource})) {
                   2413: 	    $units = 'mm';
                   2414: 	}
                   2415: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     2416:     }
1.570     foxr     2417: 
                   2418: 	
1.569     foxr     2419:     return $result;
                   2420: 
                   2421: 
                   2422: }
                   2423: 
                   2424: #
                   2425: #  The resource chooser part of the helper needs more than just
                   2426: #  the value of the extraspaces var to recover the value into a text
                   2427: #  field option.  This sub produces the required format for the saved var:
                   2428: #  specifically 
                   2429: #    ||| separated fields of the form resourcename=value
                   2430: #
                   2431: #  Parameters:
                   2432: #    $helper     - Refers to the helper we are configuring
                   2433: #  Implicit input:
                   2434: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   2435: #                                          value.
1.570     foxr     2436: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     2437: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   2438: #                                          separated of course.
                   2439: #  Implicit outputs:
1.570     foxr     2440: #     $env{'form.extraspace'}
                   2441: #     $env{'form.extraspace_units'}
1.569     foxr     2442: #
                   2443: sub set_form_extraspace {
                   2444:     my ($helper) = @_;
                   2445: 
                   2446:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   2447:     # may not be the fastest, but this is once per print request so it's not so
                   2448:     # speed critical:
                   2449: 
                   2450:     &load_skips($helper);
                   2451: 
                   2452:     my $result = '';
                   2453: 
                   2454:     foreach my $resource (keys(%possible_resources)) {
                   2455: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   2456: 	$result  .= $resource .'=' . $vskip . '|||';
                   2457:     }
                   2458: 
                   2459:     $env{'form.extraspace'}  = $result;
1.570     foxr     2460:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     2461:     return $result;
                   2462:     
                   2463: }
1.363     foxr     2464: 
1.459     foxr     2465: #  Output a sequence (recursively if neeed)
                   2466: #  from construction space.
                   2467: # Parameters:
                   2468: #    url     = URL of the sequence to print.
                   2469: #    helper  - Reference to the helper hash.
                   2470: #    form    - Copy of the format hash.
                   2471: #    LaTeXWidth
                   2472: # Returns:
                   2473: #   Text to add to the printout.
                   2474: #   NOTE if the first element of the outermost sequence
                   2475: #   is itself a sequence, the outermost caller may need to
                   2476: #   prefix the latex with the page headers stuff.
                   2477: #
                   2478: sub print_construction_sequence {
                   2479:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1.590     foxr     2480: 
1.459     foxr     2481:     my $result;
                   2482:     my $rndseed=time;
                   2483:     if ($helper->{'VARS'}->{'curseed'}) {
                   2484: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   2485:     }
1.606     www      2486:     my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
                   2487: 
1.459     foxr     2488:     # 
                   2489:     #  These make this all support recursing for subsequences.
                   2490:     #
1.491     albertel 2491:     my @order    = @LONCAPA::map::order;
                   2492:     my @resources = @LONCAPA::map::resources; 
1.606     www      2493: 
1.459     foxr     2494:     for (my $member=0;$member<=$#order;$member++) {
                   2495: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   2496: 	my $urlp=$2;
                   2497: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   2498: 	    my $texversion='';
                   2499: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2500: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2501: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2502: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2503: 		$form{'rndseed'}=$rndseed;
                   2504: 		$resources_printed .=$urlp.':';
1.515     foxr     2505: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     2506: 	    }
                   2507: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2508: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
1.609     www      2509: 	       ($urlp=~/$LONCAPA::assess_page_re/)) {
1.459     foxr     2510: 		#  Don't permanently modify %$form...
                   2511: 		my %answerform = %form;
                   2512: 		$answerform{'grade_target'}='answer';
                   2513: 		$answerform{'answer_output_mode'}='tex';
                   2514: 		$answerform{'rndseed'}=$rndseed;
                   2515: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 2516: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     2517: 		$resources_printed .= $urlp.':';
1.515     foxr     2518: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     2519: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2520: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2521: 		} else {
                   2522: 		    # If necessary, encapsulate answer in minipage:
                   2523: 		    
                   2524: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2525: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2526: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   2527: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     2528: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   2529: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   2530: 		    $body = &encapsulate_minipage($body);
                   2531: 		    $texversion.=$body;
                   2532: 		}
                   2533: 	    }
                   2534: 	    $texversion = &latex_header_footer_remove($texversion);
                   2535: 
                   2536: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2537: 		$texversion=&IndexCreation($texversion,$urlp);
                   2538: 	    }
                   2539: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2540: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2541: 	    }
                   2542: 	    $result.=$texversion;
                   2543: 
                   2544: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     2545:  
1.459     foxr     2546: 	    # header:
                   2547: 
                   2548: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   2549: 
                   2550: 	    # IF sequence, recurse:
                   2551: 	    
                   2552: 	    if ($urlp =~ /\.sequence$/) {
1.605     www      2553: 		$result .= &print_construction_sequence($urlp, 
1.459     foxr     2554: 							$helper, %form, 
                   2555: 							$LaTeXwidth);
                   2556: 	    }
1.550     foxr     2557: 	}
                   2558: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2559: 	    my $texversion;
                   2560: 	    if ($member != 0) {
                   2561: 		$texversion .= '\cleardoublepage';
                   2562: 	    }
                   2563: 
                   2564: 	    $texversion .= &include_pdf($urlp);
                   2565: 	    $texversion = &latex_header_footer_remove($texversion);
                   2566: 	    if ($member != $#order) {
                   2567: 		$texversion .= '\\ \cleardoublepage';
                   2568: 	    }
1.551     foxr     2569: 	    
                   2570: 	    $result .= $texversion;
1.550     foxr     2571: 	}
1.459     foxr     2572:     }
                   2573:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2574:     return $result;
                   2575: }
                   2576: 
1.590     foxr     2577: #
                   2578: #  Top level for generating print output.
                   2579: #
                   2580: #  May call print_resources if multiple resources will be printed.
                   2581: #
                   2582: #  The main driver is $selectionmade which reflects the type of print out
                   2583: #  requested:
                   2584: #   Value    Print type:
                   2585: #   1        Print resource that's being looked at.
                   2586: #   2        Print problems in a map or in a page.
                   2587: #   3        Print pages in a map or resources in a page.
                   2588: #   4        Print all problems  or all resources.
                   2589: #   5        Print problems for seleted students.
                   2590: #   6        Print selected problems from a folder.
                   2591: #   7        Print print selected resources from some scope.
                   2592: #   8        Print resources for selected students.
                   2593: #
                   2594: #BZ 5209
                   2595: #   2        map_incomplete_problems_seq Print incomplete problems from the current
                   2596: #            folder in student context.
1.591     foxr     2597: #   5      map_incomplete_problems_people_seq Print incomplete problems from the
1.590     foxr     2598: #            current folder in privileged context.
1.591     foxr     2599: #    5      incomplete_problems_selpeople_course Print incomplete problems for
1.590     foxr     2600: #            selected people from the entire course.
                   2601: #
                   2602: #   Item 101 has much the same processing as 8,
                   2603: #
                   2604: #  Differences:  Item 101, 102 require per-student filtering of the resource
                   2605: #  set so that only the incomplete resources are printed.
                   2606: #  For item 100, filtering was done at the helper level.
                   2607: 
1.177     sakharuk 2608: sub output_data {
1.621     foxr     2609: 
1.184     sakharuk 2610:     my ($r,$helper,$rparmhash) = @_;
                   2611:     my %parmhash = %$rparmhash;
1.515     foxr     2612:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2613:     $resources_printed = '';
1.556     foxr     2614:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.590     foxr     2615:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
1.499     foxr     2616:     my $do_postprocessing = 1;
1.433     albertel 2617:     my $js = <<ENDPART;
                   2618: <script type="text/javascript">
1.264     sakharuk 2619:     var editbrowser;
                   2620:     function openbrowser(formname,elementname,only,omit) {
                   2621:         var url = '/res/?';
                   2622:         if (editbrowser == null) {
                   2623:             url += 'launch=1&';
                   2624:         }
                   2625:         url += 'catalogmode=interactive&';
                   2626:         url += 'mode=parmset&';
                   2627:         url += 'form=' + formname + '&';
                   2628:         if (only != null) {
                   2629:             url += 'only=' + only + '&';
                   2630:         } 
                   2631:         if (omit != null) {
                   2632:             url += 'omit=' + omit + '&';
                   2633:         }
                   2634:         url += 'element=' + elementname + '';
                   2635:         var title = 'Browser';
                   2636:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2637:         options += ',width=700,height=600';
                   2638:         editbrowser = open(url,title,options,'1');
                   2639:         editbrowser.focus();
                   2640:     }
                   2641: </script>
1.140     sakharuk 2642: ENDPART
                   2643: 
1.512     foxr     2644: 
1.558     bisitz   2645:     # Breadcrumbs
                   2646:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2647:     my $brcrum = [{'href' => '',
                   2648:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2649:                   {'href' => '',
                   2650:                    'text' => 'Preparing Printout'}];
                   2651: 
                   2652:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2653:                                                      $js,
                   2654:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2655:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2656: 
1.433     albertel 2657:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2658: 
1.363     foxr     2659:     # fetch the pagebreaks and store them in the course environment
                   2660:     # The page breaks will be pulled into the hash %page_breaks which is
                   2661:     # indexed by symb and contains 1's for each break.
                   2662: 
1.373     albertel 2663:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2664:     &set_form_extraspace($helper);
1.590     foxr     2665:     $env{'form.lastprinttype'} = $print_type; 
1.363     foxr     2666:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2667: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2668: 					       'extraspace'    => 'scalar',
1.570     foxr     2669: 					       'extraspace_units' => 'scalar',
1.366     foxr     2670: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2671:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2672: 
1.140     sakharuk 2673:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2674:     my ($result,$selectionmade) = ('','');
                   2675:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2676:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2677:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2678: 
                   2679:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2680:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2681:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2682:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2683:     my @print_array=();
1.274     sakharuk 2684:     my @student_names=();
1.360     albertel 2685: 
1.512     foxr     2686:      
1.360     albertel 2687:     #  Common settings for the %form has:
                   2688:     # In some cases these settings get overriddent by specific cases, but the
                   2689:     # settings are common enough to make it worthwhile factoring them out
                   2690:     # here.
                   2691:     #
                   2692:     my %form;
                   2693:     $form{'grade_target'} = 'tex';
                   2694:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2695:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2696: 
                   2697:     # If form.showallfoils is set, then request all foils be shown:
                   2698:     # privilege will be enforced both by not allowing the 
                   2699:     # check box selecting this option to be presnt unless it's ok,
                   2700:     # and by lonresponse's priv. check.
                   2701:     # The if is here because lonresponse.pm only cares that
                   2702:     # showallfoils is defined, not what the value is.
                   2703: 
                   2704:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2705: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2706:     }
1.504     albertel 2707:     
                   2708:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2709: 	&Apache::lonnet::appenv({'construct.style' =>
                   2710: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2711:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2712: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2713:     }
                   2714: 
1.590     foxr     2715:     if ($print_type eq 'current_document') {
1.143     sakharuk 2716:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2717: 	my ($currentURL,$cleanURL);
1.375     foxr     2718: 
1.162     sakharuk 2719: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2720:             #prints published resource
1.153     sakharuk 2721: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2722: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2723: 	} else {
1.512     foxr     2724: 
1.185     sakharuk 2725:             #prints resource from the construction space
1.602     www      2726: 	    $currentURL=$helper->{'VARS'}->{'filename'};
1.343     albertel 2727: 	    $cleanURL=$currentURL;
1.143     sakharuk 2728: 	}
1.140     sakharuk 2729: 	$selectionmade = 1;
1.602     www      2730:       
1.413     albertel 2731: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2732: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2733: 	    my $rndseed=time;
1.242     sakharuk 2734: 	    my $texversion='';
                   2735: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2736: 		my %moreenv;
1.343     albertel 2737: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2738:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2739: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2740: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2741: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2742: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2743: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2744: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2745: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2746: 		    $form{'problem_split'}='yes';
                   2747: 		}
1.242     sakharuk 2748: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2749: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2750: 		}
                   2751: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2752: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2753: 
                   2754: 		&Apache::lonxml::clear_problem_counter();
                   2755: 
1.375     foxr     2756: 		$resources_printed .= $currentURL.':';
1.515     foxr     2757: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2758: 
1.511     foxr     2759: 		#  Add annotations if required:
                   2760: 	    
1.428     albertel 2761: 		&Apache::lonxml::clear_problem_counter();
                   2762: 
1.242     sakharuk 2763: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2764: 	    }
1.423     foxr     2765: 	    # current document with answers.. no need to encap in minipage
                   2766: 	    #  since there's only one answer.
                   2767: 
1.242     sakharuk 2768: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2769: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.602     www      2770: 
1.353     foxr     2771: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2772: 		$form{'grade_target'}='answer';
1.167     albertel 2773: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2774: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2775:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2776: 		    $form{'problemtype'}='exam';
                   2777: 		}
1.375     foxr     2778: 		$resources_printed .= $currentURL.':';
1.515     foxr     2779: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2780: 		
                   2781: 
1.242     sakharuk 2782: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2783: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2784: 		} else {
                   2785: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2786: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2787: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2788: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2789: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2790: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2791: 		    } else {
1.602     www      2792: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
                   2793:                         &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   2794: 
                   2795: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2796: 		    }
1.242     sakharuk 2797: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2798: 		}
1.511     foxr     2799: 
                   2800: 
                   2801: 		
                   2802: 
1.550     foxr     2803: 	    
1.511     foxr     2804: 	    }
                   2805: 	    # Print annotations.
                   2806: 
                   2807: 
                   2808: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2809: 		my $annotation .= &annotate($currentURL);
                   2810: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2811: 	    }
1.511     foxr     2812: 
                   2813: 
1.214     sakharuk 2814: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2815: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2816: 	    }
1.219     sakharuk 2817: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2818: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2819: 
                   2820: 	    }
1.162     sakharuk 2821: 	    $result .= $texversion;
                   2822: 	    if ($currentURL=~m/\.page\s*$/) {
                   2823: 		($result,$number_of_columns) = &page_cleanup($result);
                   2824: 	    }
1.413     albertel 2825:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2826: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.459     foxr     2827: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2828: 						    $LaTeXwidth);
                   2829: 	    $result .= '\end{document}';  
                   2830: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2831: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2832: 	    }
1.459     foxr     2833: 	    # End construction space sequence.
1.456     raeburn  2834: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2835: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2836: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2837: 		$resources_printed .= $currentURL.':';
1.567     foxr     2838: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2839: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2840: 		    my $annotation = &annotate($currentURL);
                   2841: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2842: 		}
1.258     sakharuk 2843: 		$result .= $texversion;
1.550     foxr     2844: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2845: 	    # For this sort of print of a single LaTeX file,
                   2846: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2847: 	    #
                   2848: 
                   2849: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2850: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2851: 		my $annotation = &annotate($currentURL);
                   2852: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2853: 	    }
                   2854: 
1.499     foxr     2855: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2856: 
1.550     foxr     2857: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2858: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2859: 	    $result .= '\end{document}';
1.559     foxr     2860: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2861: 
                   2862: 	    # Determine the set of resources in the map of the page:
                   2863: 
                   2864: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2865: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2866: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2867: 							$cleanURL, \@page_resources);
                   2868: 
                   2869:        
1.162     sakharuk 2870: 	} else {
1.414     albertel 2871: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2872: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2873: 	}
1.590     foxr     2874:     } elsif (($print_type eq 'map_problems')          or
                   2875: 	     ($print_type eq 'map_problems_in_page')  or
                   2876: 	     ($print_type eq 'map_resources_in_page') or
                   2877:              ($print_type eq 'map_problems_pages')    or
                   2878:              ($print_type eq 'all_problems')          or
                   2879: 	     ($print_type eq 'all_resources')         or # BUGBUG
                   2880: 	     ($print_type eq 'select_sequences')      or
                   2881: 	     ($print_type eq 'map_incomplete_problems_seq')
1.582     raeburn  2882: 	     ) {
                   2883:  
1.141     sakharuk 2884:         #-- produce an output string
1.590     foxr     2885: 	if (($print_type eq 'map_problems')                or
                   2886: 	    ($print_type eq 'map_incomplete_problems_seq') or
                   2887: 	    ($print_type eq 'map_problems_in_page') ) {
1.296     sakharuk 2888: 	    $selectionmade = 2;
1.590     foxr     2889: 	} elsif (($print_type eq 'map_problems_pages') or
                   2890: 		 ($print_type eq 'map_resources_in_page'))
1.562     foxr     2891: 	{
1.296     sakharuk 2892: 	    $selectionmade = 3;
1.590     foxr     2893: 	} elsif (($print_type eq 'all_problems') 
1.536     foxr     2894: 		 ) {
1.296     sakharuk 2895: 	    $selectionmade = 4;
1.590     foxr     2896: 	} elsif ($print_type eq 'all_resources') {  #BUGBUG
1.354     foxr     2897: 	    $selectionmade = 4;
1.590     foxr     2898: 	} elsif ($print_type eq 'select_sequences') {
1.296     sakharuk 2899: 	    $selectionmade = 7;
                   2900: 	}
1.590     foxr     2901: 
1.193     sakharuk 2902: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2903: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2904: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2905: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2906: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2907: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2908: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2909: 	    $form{'problem_split'}='yes';
                   2910: 	}
1.141     sakharuk 2911: 	my $flag_latex_header_remove = 'NO';
                   2912: 	my $flag_page_in_sequence = 'NO';
                   2913: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2914: 	my $prevassignment='';
1.428     albertel 2915: 
                   2916: 	&Apache::lonxml::clear_problem_counter();
                   2917: 
1.416     foxr     2918: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2919: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2920: 
1.521     foxr     2921: 	    &Apache::lonenc::reset_enc();
                   2922: 
                   2923: 
1.350     foxr     2924: 	    # Note due to document structure, not allowed to put \newpage
                   2925: 	    # prior to the first resource
                   2926: 
1.351     foxr     2927: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2928: 		if($i != 0) {
                   2929: 		    $result.="\\newpage\n";
                   2930: 		}
                   2931: 	    }
1.569     foxr     2932: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2933: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2934: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2935: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2936: 
                   2937: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2938: 
1.267     sakharuk 2939: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2940: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2941: 	    my $texversion='';
1.413     albertel 2942: 	    if ($urlp!~m|^/adm/|
                   2943: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2944: 		$resources_printed .= $urlp.':';
1.428     albertel 2945: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2946: 		if ($flag_latex_header_remove eq 'NO') {
                   2947: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2948:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2949:                             (($i==0) &&
                   2950:                              (($urlp=~/\.page$/) ||
1.590     foxr     2951:                               ($print_type eq 'map_problems_in_page') ||
                   2952:                               ($print_type eq 'map_resources_in_page')))) {
1.582     raeburn  2953:                         $flag_latex_header_remove = 'YES';
                   2954:                     }
1.566     foxr     2955: 		}
1.515     foxr     2956: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2957: 		if ($urlp=~/\.page$/) {
                   2958: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2959: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2960: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2961: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2962: 		}
1.428     albertel 2963: 
1.296     sakharuk 2964: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2965: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2966: 		    #  Don't permanently pervert the %form hash
                   2967: 		    my %answerform = %form;
                   2968: 		    $answerform{'grade_target'}='answer';
                   2969: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2970: 		    $resources_printed .= $urlp.':';
1.428     albertel 2971: 
                   2972: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2973: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2974:                     if ($urlp =~ /\.page$/) {
                   2975:                         $answer =~ s/\\end{document}(\d*)$//;
                   2976:                     }
1.296     sakharuk 2977: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2978:                         if ($urlp =~ /\.page$/) {
                   2979:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2980:                             my $lastprob = pop(@probs);
                   2981:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2982:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2983:                         } else {
                   2984:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2985:                         }
1.249     sakharuk 2986: 		    } else {
1.609     www      2987: 			if ($urlp=~/$LONCAPA::assess_page_re/) {
1.296     sakharuk 2988: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2989: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2990: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2991: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2992: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2993: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2994: 			    $body   .='\vskip 1 mm '.$answer;
                   2995: 			    $body    = &encapsulate_minipage($body);
                   2996: 			    $texversion .= $body;
1.296     sakharuk 2997: 			} else {
                   2998: 			    $texversion='';
                   2999: 			}
1.249     sakharuk 3000: 		    }
1.511     foxr     3001: 
1.246     sakharuk 3002: 		}
1.511     foxr     3003: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3004: 		    my $annotation .= &annotate($urlp);
                   3005: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3006: 		}
                   3007: 
1.296     sakharuk 3008: 		if ($flag_latex_header_remove ne 'NO') {
                   3009: 		    $texversion = &latex_header_footer_remove($texversion);
                   3010: 		} else {
                   3011: 		    $texversion =~ s/\\end{document}//;
                   3012: 		}
                   3013: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3014: 		    $texversion=&IndexCreation($texversion,$urlp);
                   3015: 		}
                   3016: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   3017: 		    my $name = &get_name();
                   3018: 		    my $courseidinfo = &get_course();
                   3019: 		    $prevassignment=$assignment;
1.455     albertel 3020: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     3021: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 3022: 							  $assignment, 
                   3023: 							  $courseidinfo, 
                   3024: 							  $name);
1.417     foxr     3025: 		    if ($numberofcolumns eq '1') {
1.455     albertel 3026: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3027: 		    } else {
1.455     albertel 3028: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3029: 		    }			
1.296     sakharuk 3030: 		}
                   3031: 		$result .= $texversion;
                   3032: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  3033: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 3034: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3035: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     3036: 		$resources_printed .= $urlp.':';
1.567     foxr     3037: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     3038: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3039: 		    my $annotation = &annotate($urlp);
                   3040: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   3041: 		}
                   3042: 
1.301     sakharuk 3043: 		if ($flag_latex_header_remove ne 'NO') {
                   3044: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     3045: 		} else {	
1.301     sakharuk 3046: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   3047: 		}
                   3048: 		$result .= $texversion;
                   3049: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     3050: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   3051: 		if ($i > 0) {
                   3052: 		    $result .= '\cleardoublepage';
                   3053: 		}
1.580     raeburn  3054:                 my $texfrompdf = &include_pdf($urlp);
                   3055:                 if ($flag_latex_header_remove ne 'NO') {
                   3056:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   3057:                 }
                   3058:                 $result .= $texfrompdf;
1.550     foxr     3059: 		if ($i != $#master_seq) {
                   3060: 		    if ($numberofcolumns eq '1') {
                   3061: 			$result .= '\newpage';
                   3062: 		    } else {
                   3063: 			# the \\'s seem to be needed to let LaTeX know there's something
                   3064: 			# on the page since LaTeX seems to not like to clear an empty page.
                   3065: 			#
                   3066: 			$result .= '\\ \cleardoublepage';
                   3067: 		    }
                   3068: 		}
                   3069: 		$flag_latex_header_remove = 'YES';
                   3070: 
1.141     sakharuk 3071: 	    } else {
1.414     albertel 3072: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   3073: 					 $master_seq[$i]);
1.297     sakharuk 3074: 		if ($flag_latex_header_remove ne 'NO') {
                   3075: 		    $texversion = &latex_header_footer_remove($texversion);
                   3076: 		} else {
                   3077: 		    $texversion =~ s/\\end{document}//;
                   3078: 		}
                   3079: 		$result .= $texversion;
                   3080: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  3081: 	    }
1.550     foxr     3082: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   3083: 		last; 
                   3084: 	    }
1.141     sakharuk 3085: 	}
1.428     albertel 3086: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     3087: 	if ($flag_page_in_sequence eq 'YES') {
                   3088: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   3089: 	}	
1.141     sakharuk 3090: 	$result .= '\end{document}';
1.590     foxr     3091:      } elsif (($print_type eq 'problems_for_students')           ||
                   3092: 	      ($print_type eq 'problems_for_students_from_page') ||
                   3093: 	      ($print_type eq 'all_problems_students')           ||
1.591     foxr     3094: 	      ($print_type eq 'resources_for_students')          ||
                   3095: 	      ($print_type eq 'incomplete_problems_selpeople_course') ||
                   3096: 	      ($print_type eq 'map_incomplete_problems_people_seq')){
1.353     foxr     3097: 
                   3098: 
1.150     sakharuk 3099:      #-- prints assignments for whole class or for selected students  
1.284     albertel 3100: 	 my $type;
1.590     foxr     3101: 	 if (($print_type eq 'problems_for_students')           ||
                   3102: 	     ($print_type eq 'problems_for_students_from_page') ||
1.591     foxr     3103: 	     ($print_type eq 'all_problems_students')           ||
                   3104: 	     ($print_type eq 'incomplete_problems_selpeople_course') ||
                   3105: 	     ($print_type eq 'map_incomplete_problems_people_seq')) {
1.254     sakharuk 3106: 	     $selectionmade=5;
1.284     albertel 3107: 	     $type='problems';
1.590     foxr     3108: 	 } elsif ($print_type eq 'resources_for_students') {
1.254     sakharuk 3109: 	     $selectionmade=8;
1.284     albertel 3110: 	     $type='resources';
1.254     sakharuk 3111: 	 }
1.150     sakharuk 3112: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     3113: 	 #   The normal sort order is by section then by students within the
                   3114: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   3115: 	 #   to override this and output the students by name.
                   3116: 	 #    Each element of the students array is of the form:
                   3117: 	 #       username:domain:section:last, first:status
                   3118: 	 #    
1.429     foxr     3119: 	 #  Note that student sort is not compatible with printing 
                   3120: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     3121: 	 #   
1.429     foxr     3122: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   3123: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     3124: 	     @students = sort compare_names  @students;
1.618     foxr     3125: 	 } else {
                   3126: 	     @students = sort compare_sections @students; 
1.341     foxr     3127: 	 }
1.429     foxr     3128: 	 &adjust_number_to_print($helper);
                   3129: 
1.278     albertel 3130:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   3131: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   3132: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   3133: 	 }
1.429     foxr     3134: 	 # If we are splitting on section boundaries, we need 
                   3135: 	 # to remember that in split_on_sections and 
                   3136: 	 # print all of the students in the list.
                   3137: 	 #
                   3138: 	 my $split_on_sections = 0;
                   3139: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   3140: 	     $split_on_sections = 1;
                   3141: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   3142: 	 }
1.150     sakharuk 3143: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     3144: 
1.150     sakharuk 3145: 	 #loop over students
1.562     foxr     3146: 
                   3147:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 3148: 	 my %moreenv;
1.330     sakharuk 3149:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 3150: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 3151: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     3152: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     3153: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     3154: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     3155: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   3156: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   3157: 	     $moreenv{'problem_split'}='yes';
                   3158: 	 }
1.611     www      3159: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
1.272     sakharuk 3160: 	 my $student_counter=-1;
1.429     foxr     3161: 	 my $i = 0;
1.430     albertel 3162: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 3163: 	 foreach my $person (@students) {
1.373     albertel 3164:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 3165: 	     if (-e $duefile) {
                   3166: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   3167: 		 print $temp_file "1969\n";
                   3168: 	     }
1.272     sakharuk 3169: 	     $student_counter++;
1.429     foxr     3170: 	     if ($split_on_sections) {
1.430     albertel 3171: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     3172: 		 if ($this_section ne $last_section) {
                   3173: 		     $i++;
                   3174: 		     $last_section = $this_section;
                   3175: 		 }
                   3176: 	     } else {
                   3177: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   3178: 	     }
1.595     foxr     3179: 	     my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
1.375     foxr     3180: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     3181: 						     $person,$type,
1.595     foxr     3182: 						     \%moreenv,  $actual_seq,
1.360     albertel 3183: 						     $flag_latex_header_remove,
1.422     albertel 3184: 						     $LaTeXwidth);
1.375     foxr     3185: 	     $resources_printed .= ":";
1.284     albertel 3186: 	     $print_array[$i].=$output;
                   3187: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   3188: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   3189: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 3190: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 3191: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3192: 	 }
                   3193: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3194: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3195:      } elsif (($print_type eq 'problems_for_anon')      ||
                   3196: 	      ($print_type eq 'problems_for_anon_page') ||
                   3197: 	      ($print_type eq 'resources_for_anon')  ) { 
1.373     albertel 3198: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   3199: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 3200: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   3201: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 3202: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     3203: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     3204: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   3205: 
1.381     albertel 3206: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  3207:          my @lines = &Apache::grades::get_scantronformat_file();
1.596     raeburn  3208: 	 my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
1.542     raeburn  3209: 	 foreach my $line (@lines) {
1.596     raeburn  3210:              chomp($line);
                   3211: 	     my ($name,$type,$length,$bubbles_per_item) = 
                   3212:                  (split(/:/,$line))[0,2,4,17];
1.381     albertel 3213: 	     if ($name eq $code_option) {
                   3214: 		 $code_length=$length;
                   3215: 		 if ($type eq 'number') { $code_type = 'number'; }
1.596     raeburn  3216:                  chomp($bubbles_per_item); 
                   3217:                  if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
                   3218:                      $bubbles_per_row = $bubbles_per_item; 
                   3219:                  }
1.381     albertel 3220: 	     }
                   3221: 	 }
1.288     albertel 3222: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     3223: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 3224:          $moreenv{'instructor_comments'}='hide';
1.596     raeburn  3225:          $moreenv{'bubbles_per_row'} = $bubbles_per_row;
1.288     albertel 3226: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 3227: 	 my @allcodes;
                   3228: 	 if ($old_name) {
1.381     albertel 3229: 	     my %result=&Apache::lonnet::get('CODEs',
                   3230: 					     [$old_name,"type\0$old_name"],
                   3231: 					     $cdom,$cnum);
                   3232: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 3233: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 3234: 	     $num_todo=scalar(@allcodes);
1.389     foxr     3235: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     3236: 	     $num_todo = 1;
                   3237: 	     @allcodes = ($selected_code);
1.385     foxr     3238: 	 } elsif ($single_code) {
                   3239: 
1.387     foxr     3240: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     3241: 	     # If an alpha code have to convert to numbers so it can be
                   3242: 	     # converted back to letters again :-)
                   3243: 	     #
                   3244: 	     if ($code_type ne 'number') {
                   3245: 		 $single_code = &letters_to_num($single_code);
                   3246: 	     }
                   3247: 	     @allcodes = ($single_code);
1.292     albertel 3248: 	 } else {
                   3249: 	     my %allcodes;
1.299     albertel 3250: 	     srand($seed);
1.292     albertel 3251: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 3252: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   3253: 					    $code_type);
1.292     albertel 3254: 	     }
                   3255: 	     if ($code_name) {
                   3256: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 3257: 				      {
                   3258: 					$code_name =>join(',',keys(%allcodes)),
                   3259: 					"type\0$code_name" => $code_type
                   3260: 				      },
1.292     albertel 3261: 				      $cdom,$cnum);
                   3262: 	     }
                   3263: 	     @allcodes=keys(%allcodes);
                   3264: 	 }
1.336     albertel 3265: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.590     foxr     3266: 	 my ($type) = split(/_/,$print_type);
1.452     albertel 3267: 	 &adjust_number_to_print($helper);
1.336     albertel 3268: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1.587     foxr     3269: 	 if ($number_per_page eq '0' || $number_per_page eq 'all'
                   3270: 	     || $number_per_page eq 'section') {
                   3271: 	     $number_per_page=$num_todo > 0 ? $num_todo : 1;
1.336     albertel 3272: 	 }
                   3273: 	 my $flag_latex_header_remove = 'NO'; 
1.611     www      3274: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
1.295     albertel 3275: 	 my $count=0;
1.292     albertel 3276: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 3277: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 3278: 	     if ($code_type eq 'number') { 
                   3279: 		 $moreenv{'CODE'}=$code;
                   3280: 	     } else {
                   3281: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   3282: 	     }
1.375     foxr     3283: 	     my ($output,$fullname, $printed)=
1.288     albertel 3284: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 3285: 				  \@master_seq,$flag_latex_header_remove,
                   3286: 				  $LaTeXwidth);
1.375     foxr     3287: 	     $resources_printed .= ":";
1.295     albertel 3288: 	     $print_array[$file_num].=$output;
1.288     albertel 3289: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   3290: 				       &mt('last assignment').' '.$fullname);
                   3291: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 3292: 	     $count++;
1.331     albertel 3293: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 3294: 	 }
                   3295: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3296: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3297:      } elsif ($print_type eq 'problems_from_directory') {      
1.151     sakharuk 3298:     #prints selected problems from the subdirectory 
                   3299: 	$selectionmade = 6;
                   3300:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 3301: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 3302: 	my $flag_latex_header_remove = 'NO'; 
                   3303: 	my $rndseed=time;
1.230     albertel 3304: 	if ($helper->{'VARS'}->{'curseed'}) {
                   3305: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   3306: 	}
1.151     sakharuk 3307: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     3308: 
                   3309: 	    &Apache::lonenc::reset_enc();
                   3310: 
1.152     sakharuk 3311: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 3312: 	    $urlp=~s|//|/|;
1.152     sakharuk 3313: 	    if ($urlp=~/\//) {
1.353     foxr     3314: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 3315: 		$form{'rndseed'}=$rndseed;
1.603     www      3316: 		$urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.375     foxr     3317: 		$resources_printed .= $urlp.':';
1.515     foxr     3318: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 3319: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 3320: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3321: 		    #  Don't permanently pervert %form:
                   3322: 		    my %answerform = %form;
                   3323: 		    $answerform{'grade_target'}='answer';
                   3324: 		    $answerform{'answer_output_mode'}='tex';
                   3325: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3326: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     3327: 		    $resources_printed .= $urlp.':';
1.515     foxr     3328: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 3329: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3330: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   3331: 		    } else {
1.253     sakharuk 3332: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   3333: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   3334: 			    $texversion.='\vskip 0 mm \noindent ';
                   3335: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   3336: 			} else {
1.604     www      3337: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.
                   3338:                                          &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   3339: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1.253     sakharuk 3340: 			}
                   3341: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 3342: 		    }
1.174     sakharuk 3343: 		}
1.515     foxr     3344:                 #this chunk is responsible for printing the path to problem
                   3345: 
1.603     www      3346: 		my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
1.242     sakharuk 3347: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 3348: 		if ($flag_latex_header_remove ne 'NO') {
                   3349: 		    $texversion = &latex_header_footer_remove($texversion);
                   3350: 		} else {
                   3351: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 3352: 		}
                   3353: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3354: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 3355: 		}
1.219     sakharuk 3356: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   3357: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   3358: 		    
                   3359: 		}
1.152     sakharuk 3360: 		$result .= $texversion;
                   3361: 	    }
                   3362: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 3363: 	}
1.175     sakharuk 3364: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 3365: 	$result .= '\end{document}';      	
1.140     sakharuk 3366:     }
                   3367: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     3368: 
                   3369:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   3370: 
                   3371:     if ($do_postprocessing) {
1.590     foxr     3372: 	$result = &page_format_transformation($papersize,
                   3373: 					      $laystyle,$numberofcolumns,
                   3374: 					      $print_type,$result,
                   3375: 					      $helper->{VARS}->{'assignment'},
                   3376: 					      $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3377: 					      $helper->{'VARS'}->{'TABLE_INDEX'},
                   3378: 					      $selectionmade);
1.499     foxr     3379: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   3380: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   3381: 	#if ($numberofcolumns == 1) {
1.451     albertel 3382: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   3383: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   3384: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   3385: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     3386: 	#}
                   3387:     }
1.367     foxr     3388: 
1.515     foxr     3389:     # Set URLback if this is a construction space print so we can provide
                   3390:     # a link to the resource being edited.
                   3391:     #
1.274     sakharuk 3392: 
1.276     sakharuk 3393:     my $URLback=''; #link to original document
1.510     albertel 3394:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.607     www      3395: 	$URLback=$helper->{'VARS'}->{'filename'};
1.276     sakharuk 3396:     }
1.556     foxr     3397:     #
                   3398:     # Final adjustment of the font size:
                   3399:     #
                   3400: 
                   3401:     $result = set_font_size($result);
1.375     foxr     3402: 
1.612     foxr     3403:     # Insert any babel headers required.
                   3404: 
                   3405:     $result       = &collect_languages($result);
                   3406: 
                   3407: 
1.525     www      3408: #-- writing .tex file in prtspool 
                   3409:     my $temp_file;
                   3410:     my $identifier = &Apache::loncommon::get_cgi_id();
                   3411:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   3412:     if (!($#print_array>0)) { 
                   3413:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   3414: 	  $r->log_error("Couldn't open $filename for output $!");
                   3415: 	  return SERVER_ERROR; 
                   3416:        }
                   3417:        print $temp_file $result;
                   3418:        my $begin=index($result,'\begin{document}',0);
                   3419:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     3420:     } else {
1.525     www      3421:        my $begin=index($result,'\begin{document}',0);
                   3422:        my $inc=substr($result,0,$begin+16);
                   3423:        for (my $i=0;$i<=$#print_array;$i++) {
                   3424: 	  if ($i==0) {
                   3425: 	      $print_array[$i]=$result;
                   3426: 	  } else {
                   3427: 	      $print_array[$i].='\end{document}';
                   3428: 	      $print_array[$i] = 
                   3429: 		&latex_corrections($number_of_columns,$print_array[$i],
                   3430: 				   $selectionmade, 
                   3431: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     3432: 	    
1.525     www      3433: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   3434: 	      substr($print_array[$i],0,$anobegin)='';
                   3435: 	      $print_array[$i]=$inc.$print_array[$i];
                   3436: 	  }
                   3437: 	  my $temp_file;
                   3438: 	  my $newfilename=$filename;
                   3439: 	  my $num=$i+1;
                   3440: 	  $newfilename =~s/\.tex$//; 
                   3441: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   3442: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   3443: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   3444: 	      return SERVER_ERROR; 
                   3445: 	  }
                   3446: 	  print $temp_file $print_array[$i];
                   3447:        }
                   3448:     }
                   3449:     my $student_names='';
                   3450:     if ($#print_array>0) {
                   3451:         for (my $i=0;$i<=$#print_array;$i++) {
                   3452:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     3453: 	}
1.525     www      3454:     } else {
                   3455: 	if ($#student_names>-1) {
                   3456: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     3457: 	} else {
1.525     www      3458:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   3459: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     3460: 				    $env{'request.course.sec'},$fullname).
                   3461: 					'_ENDPERSON_'.'_END_';
                   3462: 	}
1.525     www      3463:      }
1.515     foxr     3464: 	
1.525     www      3465:      # logic for now is too complex to trace if this has been defined
                   3466:      #  yet.
                   3467:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3468:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3469:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     3470: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   3471: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   3472: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   3473: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   3474: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3475: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   3476: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   3477: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   3478: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  3479: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      3480:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     3481: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   3482: 				"cgi.$identifier.courseid" => $cnum, 
                   3483: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  3484: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     3485: 	
1.525     www      3486:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  3487:     my $continue_text = &mt('Continue');
1.525     www      3488:     # If there's been an unrecoverable SSI error, report it to the user
                   3489:     if ($ssi_error) {
                   3490:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   3491:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      3492:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   3493:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   3494:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  3495:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      3496:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   3497:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  3498:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      3499:     } else {
1.515     foxr     3500: 	$r->print(<<FINALEND);
1.317     albertel 3501: <br />
1.288     albertel 3502: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  3503: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 3504: $end_page
1.140     sakharuk 3505: FINALEND
1.528     raeburn  3506:     }                                     # endif ssi errors.
1.140     sakharuk 3507: }
                   3508: 
1.288     albertel 3509: 
                   3510: sub get_CODE {
1.381     albertel 3511:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 3512:     my $max='1'.'0'x$size;
                   3513:     my $newcode;
                   3514:     while(1) {
1.392     albertel 3515: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 3516: 	if (!exists($$all_codes{$newcode})) {
                   3517: 	    $$all_codes{$newcode}=1;
1.381     albertel 3518: 	    if ($type eq 'number' ) {
                   3519: 		return $newcode;
                   3520: 	    } else {
                   3521: 		return &num_to_letters($newcode);
                   3522: 	    }
1.288     albertel 3523: 	}
                   3524:     }
                   3525: }
1.140     sakharuk 3526: 
1.284     albertel 3527: sub print_resources {
1.360     albertel 3528:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 3529: 	$LaTeXwidth)=@_;
1.284     albertel 3530:     my $current_output = ''; 
1.375     foxr     3531:     my $printed = '';
1.284     albertel 3532:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   3533:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     3534:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.600     foxr     3535: 
1.619     foxr     3536: 
1.591     foxr     3537:     #
                   3538:     # Figure out if we need to filter the output by
                   3539:     # the incomplete problems for that person
                   3540:     #
                   3541:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
                   3542:     my $print_incomplete = 0;
                   3543:     if (($print_type eq 'map_incomplete_problems_people_seq')   ||
                   3544: 	($print_type eq 'incomplete_problems_selpeople_course')) {
                   3545: 	$print_incomplete = 1;
                   3546:     }
1.596     raeburn  3547:     if ($person eq 'anonymous') {
1.613     ramirez  3548: 	$namepostfix .=&mt('Name:')." ";
1.288     albertel 3549: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   3550:     }
1.590     foxr     3551: 
1.444     foxr     3552:     #  Fullname may have special latex characters that need \ prefixing:
                   3553:     #
                   3554: 
1.350     foxr     3555:     my $i           = 0;
1.591     foxr     3556:     my $actually_printed = 0;	# Count of resources printed.
1.284     albertel 3557:     #goes through all resources, checks if they are available for 
                   3558:     #current student, and produces output   
1.428     albertel 3559: 
                   3560:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 3561:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 3562:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     3563:     #
1.441     foxr     3564:     #   end each student with a 
1.440     foxr     3565:     #   Special that allows the post processor to even out the page
                   3566:     #   counts later.  Nasty problem this... it would be really
                   3567:     #   nice to put the special in as a postscript comment
1.441     foxr     3568:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     3569:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     3570:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   3571:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     3572:     #
1.591     foxr     3573: 
1.568     foxr     3574:     my $syllabus_first = 0;
1.619     foxr     3575:     my $current_assignment = "";
                   3576:     my $assignment;
                   3577:     my $courseidinfo = &get_course();
                   3578: 
1.284     albertel 3579:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     3580: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     3581: 	    if($i != 0) {
                   3582: 		$current_output.= "\\newpage\n";
                   3583: 	    }
                   3584: 	}
1.569     foxr     3585: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     3586: 	$i++;
1.619     foxr     3587: 	my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   3588: 
                   3589: 	# See if we need to emit a new header:
                   3590: 
1.284     albertel 3591: 	if ( !($type eq 'problems' && 
1.609     www      3592: 	       ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
1.591     foxr     3593: 	    if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
                   3594: 		next;
                   3595: 	    }
                   3596: 	    $actually_printed++; # we're going to print one.
1.284     albertel 3597: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 3598: 		if ($res_url!~m|^ext/|
1.413     albertel 3599: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     3600: 		    $printed .= $curresline.':';
1.428     albertel 3601: 		    &Apache::lonxml::remember_problem_counter();    
                   3602: 
1.526     www      3603: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  3604:                     if ($res_url =~ /\.page$/) {
                   3605:                         if ($remove_latex_header eq 'NO') {
                   3606:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   3607:                                 $rendered = &print_latex_header().$rendered;
                   3608:                             }
                   3609:                         }
1.591     foxr     3610: ;
1.582     raeburn  3611:                         if ($remove_latex_header eq 'YES') {
                   3612:                             $rendered = &latex_header_footer_remove($rendered);
                   3613:                         } else {
                   3614:                             $rendered =~ s/\\end{document}\d*//;
                   3615:                         }
                   3616:                     }
1.305     sakharuk 3617: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3618: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3619: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   3620: 			my %answerenv = %{$moreenv};
                   3621: 			$answerenv{'answer_output_mode'}='tex';
1.591     foxr     3622: 
                   3623: 
1.380     foxr     3624: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 3625: 			
                   3626: 			&Apache::lonxml::restore_problem_counter();
                   3627: 
1.380     foxr     3628: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 3629: 
1.305     sakharuk 3630: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3631: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   3632: 			} else {
1.423     foxr     3633: 
                   3634: 			    
                   3635: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  3636:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   3637:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   3638:                             }
1.477     albertel 3639: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3640: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3641: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3642: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3643: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3644: 			    $body     = &encapsulate_minipage($body);
                   3645: 			    $rendered = $header.$body;
1.305     sakharuk 3646: 			}
                   3647: 		    }
1.511     foxr     3648: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3649: 			my $url = &Apache::lonnet::clutter($res_url);
                   3650: 			my $annotation = &annotate($url);
                   3651: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3652: 		    }
1.562     foxr     3653: 		    my $junk;
1.305     sakharuk 3654: 		    if ($remove_latex_header eq 'YES') {
                   3655: 			$rendered = &latex_header_footer_remove($rendered);
                   3656: 		    } else {
                   3657: 			$rendered =~ s/\\end{document}//;
                   3658: 		    }
                   3659: 		    $current_output .= $rendered;		    
1.456     raeburn  3660: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3661: 		    if ($i == 1) {
                   3662: 			$syllabus_first = 1;
                   3663: 		    }
1.375     foxr     3664: 		    $printed .= $curresline.':';
1.528     raeburn  3665: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3666: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3667: 			my $url = &Apache::lonnet::clutter($res_url);
                   3668: 			my $annotation = &annotate($url);
                   3669: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3670: 		    }
1.305     sakharuk 3671: 		    if ($remove_latex_header eq 'YES') {
                   3672: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3673: 		    } else {
1.305     sakharuk 3674: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3675: 		    }
1.421     foxr     3676: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3677: 		} elsif($res_url = ~/\.pdf$/) {
                   3678: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3679: 		    my $rendered  = &include_pdf($url);
                   3680: 		    if ($remove_latex_header ne 'NO') {
                   3681: 			$rendered = &latex_header_footer_remove($rendered);
                   3682: 		    }
                   3683: 		    $current_output .= $rendered;
1.284     albertel 3684: 		} else {
1.414     albertel 3685: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3686: 		    if ($remove_latex_header ne 'NO') {
                   3687: 			$rendered = &latex_header_footer_remove($rendered);
                   3688: 		    } else {
                   3689: 			$rendered =~ s/\\end{document}//;
                   3690: 		    }
                   3691: 		    $current_output .= $rendered;
1.284     albertel 3692: 		}
                   3693: 	    }
                   3694: 	    $remove_latex_header = 'YES';
1.590     foxr     3695: 	}
1.619     foxr     3696: 	$assignment = &Apache::lonxml::latex_special_symbols(
                   3697: 	    &Apache::lonnet::gettitle($map), 'header');
                   3698: 	if (($assignment ne $current_assignment) && ($assignment ne "")) {
                   3699: 	    my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
                   3700: 						  $assignment, $courseidinfo, 
                   3701: 						  $fullname, $usersection);
                   3702: 	    my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3703: 		: '\fancyhead[LO]';
                   3704: 	    $header_line = $header_start.'{'.$header_line.'}';
                   3705: 	    $current_output = $current_output . $header_line;
                   3706: 	    $current_assignment = $assignment;
                   3707: 	}
                   3708: 
1.331     albertel 3709: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3710:     }
1.591     foxr     3711:     # If we are printing incomplete it's possible we don't have
                   3712:     # anything to print.  The print subsystem is not so good at handling
                   3713:     # that so we're going to generate a stub that says there are no
                   3714:     # incomplete resources for the person.
                   3715:     #
1.593     foxr     3716: 
1.591     foxr     3717:     if ($actually_printed == 0) {
1.592     foxr     3718: 	$current_output  = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
1.593     foxr     3719: 	if ($remove_latex_header eq "NO") {
                   3720: 	    $current_output = &print_latex_header() . $current_output;
                   3721: 	} else {
                   3722: 	    $current_output = &latex_header_footer_remove($current_output);
                   3723: 	}
1.591     foxr     3724:     }
1.552     foxr     3725: 
1.583     raeburn  3726:     if ($syllabus_first) {
                   3727:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3728:     }
1.619     foxr     3729:     if (0) {
                   3730: 	my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   3731: 	my $header_line =
                   3732: 	    &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
                   3733: 				$currentassignment, $courseidinfo, $fullname, $usersection);
                   3734: 	my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3735: 	    : '\fancyhead[LO]';
                   3736: 	$header_line = $header_start.'{'.$header_line.'}';
                   3737:     }
1.583     raeburn  3738:     if ($current_output=~/\\documentclass/) {
1.619     foxr     3739: #	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
                   3740: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$namepostfix}\\vskip 5 mm /;
                   3741: 
1.284     albertel 3742:     } else {
1.476     albertel 3743: 	my $blankpages = 
                   3744: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
1.619     foxr     3745: 	
                   3746: #	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3747: #	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3748: #	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3749: #	    $header_line.$namepostfix. '} \vskip 5 mm '.$current_output;
1.476     albertel 3750: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3751: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
1.619     foxr     3752: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'
                   3753: 	    .$namepostfix. '} \vskip 5 mm '.$current_output;
                   3754: 
1.284     albertel 3755:     }
1.440     foxr     3756:     #
                   3757:     #  Close the student bracketing.
                   3758:     #
1.375     foxr     3759:     return ($current_output,$fullname, $printed);
1.284     albertel 3760: 
                   3761: }
1.140     sakharuk 3762: 
1.614     raeburn  3763: sub printing_blocked {
                   3764:     my ($r,$blocktext) = @_;
                   3765:     my $title = &mt('Preparing Printout');
                   3766:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   3767:     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
                   3768:                                             text=> $title});
                   3769:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
                   3770:     &Apache::loncommon::content_type($r,'text/html');
                   3771:     &Apache::loncommon::no_cache($r);
                   3772:     $r->send_http_header;
                   3773:     $r->print(&Apache::loncommon::start_page('Preparing Printout').
                   3774:               $breadcrumbs.
                   3775:               $blocktext.
                   3776:               &Apache::loncommon::end_page());
                   3777:     return;
                   3778: }
                   3779: 
1.3       sakharuk 3780: sub handler {
                   3781: 
                   3782:     my $r = shift;
1.614     raeburn  3783: 
                   3784:     if ($env{'request.course.id'}) {
                   3785:         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3786:         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3787:         my ($blocked,$blocktext) = 
                   3788:             &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
                   3789:         if ($blocked) {
                   3790:             my $checkrole = "cm./$cdom/$cnum";
                   3791:             if ($env{'request.course.sec'} ne '') {
                   3792:                 $checkrole .= "/$env{'request.course.sec'}";
                   3793:             }
                   3794:             unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && 
                   3795:                     ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
                   3796:                 &printing_blocked($r,$blocktext);
                   3797:                 return OK;
                   3798:             }
                   3799:         }
                   3800:     }
1.397     albertel 3801:     
                   3802:     &init_perm();
                   3803:     my $helper = printHelper($r);
                   3804:     if (!ref($helper)) {
                   3805: 	return $helper;
1.60      sakharuk 3806:     }
1.177     sakharuk 3807:    
1.184     sakharuk 3808: 
1.454     foxr     3809:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3810:  
1.416     foxr     3811: 
1.350     foxr     3812: 
                   3813: 
1.367     foxr     3814:     #  If a figure conversion queue file exists for this user.domain
                   3815:     # we delete it since it can only be bad (if it were good, printout.pl
                   3816:     # would have deleted it the last time around.
                   3817: 
1.373     albertel 3818:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3819:     if(-e $conversion_queuefile) {
                   3820: 	unlink $conversion_queuefile;
                   3821:     }
1.515     foxr     3822:     
                   3823: 
1.184     sakharuk 3824:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3825:     return OK;
1.614     raeburn  3826: }
1.2       sakharuk 3827: 
1.131     bowersj2 3828: use Apache::lonhelper;
1.130     sakharuk 3829: 
1.223     bowersj2 3830: sub addMessage {
                   3831:     my $text = shift;
                   3832:     my $paramHash = Apache::lonhelper::getParamHash();
                   3833:     $paramHash->{MESSAGE_TEXT} = $text;
                   3834:     Apache::lonhelper::message->new();
                   3835: }
                   3836: 
1.416     foxr     3837: 
1.238     bowersj2 3838: 
1.397     albertel 3839: sub init_perm {
                   3840:     undef(%perm);
                   3841:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3842:     if (!$perm{'pav'}) {
                   3843: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3844: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3845:     }
1.465     albertel 3846:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3847:     if (!$perm{'pfo'}) {
                   3848: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3849: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3850:     }
1.585     raeburn  3851:     $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
                   3852:     if (!$perm{'vgr'}) {
                   3853:         $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
                   3854:                    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3855:     }
1.397     albertel 3856: }
                   3857: 
1.507     albertel 3858: sub get_randomly_ordered_warning {
                   3859:     my ($helper,$map) = @_;
                   3860: 
                   3861:     my $message;
                   3862: 
                   3863:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3864:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3865:     if (defined($navmap)) {
                   3866:         my $res = $navmap->getResourceByUrl($map);
                   3867:         if ($res) {
                   3868: 	    my $func = 
                   3869: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3870: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
1.610     foxr     3871: 
1.547     raeburn  3872:         }
                   3873:     } else {
                   3874:         $message = "Retrieval of information about ordering of resources failed."; 
                   3875:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3876:     }
                   3877:     return;
                   3878: }
                   3879: 
1.131     bowersj2 3880: sub printHelper {
1.115     bowersj2 3881:     my $r = shift;
                   3882: 
                   3883:     if ($r->header_only) {
1.373     albertel 3884:         if ($env{'browser.mathml'}) {
1.241     www      3885:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3886:         } else {
1.241     www      3887:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3888:         }
                   3889:         $r->send_http_header;
                   3890:         return OK;
1.115     bowersj2 3891:     }
                   3892: 
1.131     bowersj2 3893:     # Send header, nocache
1.373     albertel 3894:     if ($env{'browser.mathml'}) {
1.241     www      3895:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3896:     } else {
1.241     www      3897:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3898:     }
                   3899:     &Apache::loncommon::no_cache($r);
                   3900:     $r->send_http_header;
                   3901:     $r->rflush();
                   3902: 
1.131     bowersj2 3903:     # Unfortunately, this helper is so complicated we have to
                   3904:     # write it by hand
                   3905: 
                   3906:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3907:     
1.176     bowersj2 3908:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3909:     $helper->declareVar('symb');
1.156     bowersj2 3910:     $helper->declareVar('postdata');    
1.290     sakharuk 3911:     $helper->declareVar('curseed'); 
                   3912:     $helper->declareVar('probstatus');   
1.156     bowersj2 3913:     $helper->declareVar('filename');
                   3914:     $helper->declareVar('construction');
1.178     sakharuk 3915:     $helper->declareVar('assignment');
1.262     sakharuk 3916:     $helper->declareVar('style_file');
1.340     foxr     3917:     $helper->declareVar('student_sort');
1.363     foxr     3918:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3919:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3920:     $helper->declareVar("showallfoils");
1.483     foxr     3921:     $helper->declareVar("STUDENTS");
1.569     foxr     3922:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3923: 
                   3924:    
                   3925: 
                   3926: 
1.569     foxr     3927:     #  The page breaks and extra spaces
                   3928:     #  can get loaded initially from the course environment:
1.394     foxr     3929:     # But we only do this in the initial state so that they are allowed to change.
                   3930:     #
1.366     foxr     3931: 
1.363     foxr     3932:     
                   3933:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3934: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3935: 						 'extraspace'  => 'scalar',
1.570     foxr     3936: 						 'extraspace_units' => 'scalar',
1.366     foxr     3937: 					         'lastprinttype' => 'scalar'});
                   3938:     
1.483     foxr     3939:     # This will persistently load in the data we want from the
                   3940:     # very first screen.
1.394     foxr     3941:     
                   3942:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3943: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3944: 	    
                   3945: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3946: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3947: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3948: 	} else {
                   3949: 	    my $state = $env{"form.CURRENT_STATE"};
                   3950: 	    if ($state eq "START") {
                   3951: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3952: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3953: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3954: 		
1.394     foxr     3955: 	    }
                   3956: 	}
                   3957: 	
1.366     foxr     3958:     }
1.481     albertel 3959: 
1.156     bowersj2 3960:     # Detect whether we're coming from construction space
1.602     www      3961:     if ($env{'form.postdata'}=~m{^/priv}) {
                   3962:         $helper->{VARS}->{'filename'} = $env{'form.postdata'};
1.156     bowersj2 3963:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3964:     } else {
1.373     albertel 3965:         if ($env{'form.postdata'}) {
                   3966:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3967: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3968: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3969: 	    }
1.156     bowersj2 3970:         }
1.373     albertel 3971:         if ($env{'form.symb'}) {
                   3972:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3973:         }
1.373     albertel 3974:         if ($env{'form.url'}) {
1.156     bowersj2 3975:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3976:         }
1.416     foxr     3977: 
1.157     bowersj2 3978:     }
1.481     albertel 3979: 
1.373     albertel 3980:     if ($env{'form.symb'}) {
                   3981:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3982:     }
1.373     albertel 3983:     if ($env{'form.url'}) {
1.140     sakharuk 3984:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3985: 
1.140     sakharuk 3986:     }
1.343     albertel 3987:     $helper->{VARS}->{'symb'}=
                   3988: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3989:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3990:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3991: 
1.156     bowersj2 3992:     
1.146     bowersj2 3993:     # Extract map
                   3994:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3995:     my ($map, $id, $url);
                   3996:     my $subdir;
1.483     foxr     3997:     my $is_published=0;		# True when printing from resource space.
1.589     foxr     3998:     my $res_printable = 1;	# By default the current resource is printable.    
                   3999:     my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
1.615     foxr     4000:     my $res_printstartdate;
                   4001:     my $res_printenddate;
1.616     foxr     4002:     my $map_open = 0;
                   4003:     my $map_close = 0xffffffff;
                   4004:     my $course_open = 0;
                   4005:     my $course_close = 0xffffffff;
1.156     bowersj2 4006: 
                   4007:     # Get the resource name from construction space
                   4008:     if ($helper->{VARS}->{'construction'}) {
                   4009:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   4010:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   4011:         $subdir = substr($helper->{VARS}->{'filename'},
                   4012:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 4013:     } else {
1.562     foxr     4014: 	# From course space:
                   4015: 
1.482     albertel 4016: 	if ($symb ne '') {
                   4017: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   4018: 	    $helper->{VARS}->{'postdata'} = 
                   4019: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.589     foxr     4020: 	    my $navmap = Apache::lonnavmaps::navmap->new();
                   4021: 	    my $res   = $navmap->getBySymb($symb);
1.615     foxr     4022: 	    $res_printable  = $res->resprintable() | $userCanPrint; #printability in course context
                   4023: 	    ($res_printstartdate, $res_printenddate) = 	&get_print_dates($res);
1.616     foxr     4024: 	    ($course_open, $course_close) = &course_print_dates($res);
                   4025: 	    ($map_open, $map_close)       = &map_print_dates($res);
                   4026: 
1.482     albertel 4027: 	} else {
1.589     foxr     4028: 	    # Resource space.
                   4029: 
1.482     albertel 4030: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     4031: 	    $is_published=1;	# From resource space.
1.482     albertel 4032: 	}
                   4033: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 4034:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 4035:             my $postdata = $helper->{VARS}->{'postdata'};
                   4036:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 4037:         }
                   4038:         $subdir = &Apache::lonnet::filelocation("", $url);
1.589     foxr     4039: 
                   4040: 
1.128     bowersj2 4041:     }
1.373     albertel 4042:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   4043: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 4044:     }
1.616     foxr     4045: 
1.373     albertel 4046:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     4047: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 4048:     }
1.115     bowersj2 4049: 
1.192     bowersj2 4050:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   4051: 
1.481     albertel 4052:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 4053: 
1.131     bowersj2 4054:     # "Delete everything after the last slash."
1.119     bowersj2 4055:     $subdir =~ s|/[^/]+$||;
                   4056: 
1.131     bowersj2 4057:     # What can be printed is a very dynamic decision based on
                   4058:     # lots of factors. So we need to dynamically build this list.
                   4059:     # To prevent security leaks, states are only added to the wizard
                   4060:     # if they can be reached, which ensures manipulating the form input
                   4061:     # won't allow anyone to reach states they shouldn't have permission
                   4062:     # to reach.
                   4063: 
                   4064:     # printChoices is tracking the kind of printing the user can
                   4065:     # do, and will be used in a choices construction later.
                   4066:     # In the meantime we will be adding states and elements to
                   4067:     # the helper by hand.
                   4068:     my $printChoices = [];
                   4069:     my $paramHash;
1.130     sakharuk 4070: 
1.589     foxr     4071:     # If there is a current resource and it is printable
                   4072:     # Give that as a choice.
                   4073: 
                   4074:     if ($resourceTitle && $res_printable) {
1.458     www      4075:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.615     foxr     4076:     } 
1.156     bowersj2 4077: 
1.238     bowersj2 4078:     # Useful filter strings
1.589     foxr     4079: 
                   4080:     my $isPrintable = ' && $res->resprintable()';
                   4081: 
1.590     foxr     4082:     my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
1.589     foxr     4083:     $isProblem .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4084:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4085:     my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                   4086:     $isProblemOrMap .= $isPrintable unless $userCanPrint;
                   4087:     my $isNotMap = '(!$res->is_sequence())';
                   4088:     $isNotMap .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4089:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4090:     my $isMap = '$res->is_map()';
                   4091:     $isMap .= $isPrintable unless $userCanPrint;
                   4092:     my $symbFilter = '$res->shown_symb() ';
1.342     albertel 4093:     my $urlValue = '$res->link()';
1.238     bowersj2 4094: 
                   4095:     $helper->declareVar('SEQUENCE');
                   4096: 
1.465     albertel 4097:     # If we're in a sequence...
1.416     foxr     4098: 
1.465     albertel 4099:     my $start_new_option;
                   4100:     if ($perm{'pav'}) {
                   4101: 	$start_new_option = 
                   4102: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     4103: 	    "' variable='FINISHPAGE' />".
1.570     foxr     4104: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     4105: 	    "' variable='EXTRASPACE' type='text' />" .
                   4106: 	    "<option " .
1.570     foxr     4107: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   4108: 	    "<option text='".&mt('Space units<br />check for mm').
                   4109: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   4110: 	    ;
                   4111: 	    
1.569     foxr     4112: 
1.465     albertel 4113:     }
1.238     bowersj2 4114: 
1.562     foxr     4115:     # If not construction space user can print the components of a page:
                   4116: 
                   4117:     my $page_ispage;
                   4118:     my $page_title;
                   4119:     if (!$helper->{VARS}->{'construction'}) {
                   4120: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   4121: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   4122: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     4123: 	if (defined($page_navmap)) {
                   4124: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   4125: 	    if(defined($page_resources[0])) {
                   4126: 		$page_ispage       = $page_resources[0]->is_page();
                   4127: 		$page_title     = $page_resources[0]->title();
                   4128: 		my $resourcesymb   = $page_resources[0]->symb();
                   4129: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   4130: 		if ($page_ispage) {
                   4131: 		    push @{$printChoices}, 
                   4132: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   4133: 		     'map_problems_in_page', 
                   4134: 		     'CHOOSE_PROBLEMS_PAGE'];
                   4135: 		    push @{$printChoices}, 
                   4136: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   4137: 		     'map_resources_in_page', 
                   4138: 		     'CHOOSE_RESOURCES_PAGE'];
                   4139: 		}
1.562     foxr     4140:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   4141: 							'Select Problem(s) to print',
                   4142: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   4143: 							'RESOURCES',
                   4144: 							'PAGESIZE',
                   4145: 							$url,
                   4146: 							$isProblem, '',  $symbFilter,
                   4147: 							$start_new_option);
                   4148: 
                   4149: 
                   4150:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   4151: 						    'Select Resource(s) to print',
                   4152: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   4153: 						    'RESOURCES',
                   4154: 						    'PAGESIZE',
                   4155: 						    $url,
                   4156: 						    $isNotMap, '', $symbFilter,
                   4157: 						    $start_new_option);
                   4158: 
                   4159: 						    
                   4160: 
                   4161: 
                   4162: 
                   4163: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4164: 	
1.563     foxr     4165: 	    }
                   4166: 	}
1.562     foxr     4167:     }
                   4168: 
                   4169:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 4170: 	$helper->{VARS}->{'postdata'} &&
                   4171: 	$helper->{VARS}->{'assignment'}) {
1.590     foxr     4172: 
                   4173: 	# BZ 5209 - Print incomplete problems from sequence:
                   4174: 	# the exact form of this depends on whether or not we are privileged or a mere
                   4175: 	# plebe of s student:
                   4176: 
                   4177: 	my $printSelector = 'map_incomplete_problems_seq';
                   4178: 	my $nextState     = 'CHOOSE_INCOMPLETE_SEQ';
                   4179: 	my $textSuffix    = '';
                   4180: 
1.616     foxr     4181: 	if ($userCanPrint)  {
1.590     foxr     4182: 	    $printSelector = 'map_incomplete_problems_people_seq';
                   4183: 	    $nextState     = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
                   4184: 	    $textSuffix    = ' for selected students';
                   4185: 	    my $helperStates =
                   4186: 		&create_incomplete_folder_selstud_helper($helper, $map); 
                   4187: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4188: 	} else {
1.616     foxr     4189: 	    if (&printable($map_open, $map_close)) {
                   4190: 		my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
                   4191: 		&Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4192: 	    } else {
                   4193: 		# TODO: Figure out how to break the news...this folder is not printable.
                   4194: 	    }
1.590     foxr     4195: 	}
                   4196: 
1.616     foxr     4197: 	if ($userCanPrint || &printable($map_open, $map_close)) {
                   4198: 	    push(@{$printChoices},
                   4199: 		 [&mt('Selected  [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
                   4200: 		      '<b>', '</b>',
                   4201: 		      '<b><i>'. $sequenceTitle . '</b></i>'),
                   4202: 		  $printSelector,
                   4203: 		  $nextState]);
                   4204: 	}
1.131     bowersj2 4205:         # Allow problems from sequence
1.616     foxr     4206: 	if ($userCanPrint || &printable($map_open, $map_close)) {
                   4207: 	    push @{$printChoices}, 
1.562     foxr     4208: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   4209: 	     'map_problems', 
                   4210: 	     'CHOOSE_PROBLEMS'];
1.616     foxr     4211: 	    # Allow all resources from sequence
                   4212: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   4213: 				    'map_problems_pages', 
                   4214: 				    'CHOOSE_PROBLEMS_HTML'];
                   4215: 	    my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   4216: 							    'Select Problem(s) to print',
                   4217: 							    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   4218: 							    'RESOURCES',
                   4219: 							    'PAGESIZE',
                   4220: 							    $map,
1.621     foxr     4221: 							    $isProblem, '',
1.616     foxr     4222: 							    $symbFilter,
                   4223: 							    $start_new_option);
                   4224: 	    $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   4225: 							  'Select Resource(s) to print',
                   4226: 							  'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   4227: 							  'RESOURCES',
                   4228: 							  'PAGESIZE',
                   4229: 							  $map,
                   4230: 							  $isNotMap, '',
                   4231: 							  $symbFilter,
                   4232: 							  $start_new_option);
                   4233: 	    
                   4234: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4235: 	} else {
                   4236: 	    # TODO: Figure out how to tell them the folder is not printable.
                   4237: 	}
1.121     bowersj2 4238:     }
1.616     foxr     4239: 	# If the user has pfo (print for others) allow them to print all 
                   4240: 	# problems and resources  in the entire course, optionally for selected students
                   4241: 	my $post_data = $helper->{VARS}->{'postdata'};
1.590     foxr     4242:     
1.483     foxr     4243:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     4244:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 4245: 
1.590     foxr     4246: 	# BZ 5209 - incomplete problems from entire course:
                   4247: 
                   4248: 	push(@{$printChoices},
1.594     foxr     4249: 	     [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
1.590     foxr     4250: 	      'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
                   4251: 	my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
                   4252: 
                   4253: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4254: 
                   4255: 	#  Selected problems/resources from entire course:
                   4256: 
1.509     albertel 4257:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   4258: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     4259: 	push @{$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     4260: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     4261:   <state name="STUDENTS1" title="Select People">
                   4262:       <message><b>Select sorting order of printout</b> </message>
                   4263:     <choices variable='student_sort'>
                   4264:       <choice computer='0'>Sort by section then student</choice>
                   4265:       <choice computer='1'>Sort by students across sections.</choice>
                   4266:     </choices>
                   4267:       <message><br /><hr /><br /> </message>
                   4268:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   4269:   </state>
1.284     albertel 4270: ALL_PROBLEMS
1.562     foxr     4271:          &Apache::lonxml::xmlparse($r, 'helper', 
                   4272: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   4273: 							      'SelectProblem(s) to print',
                   4274: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   4275: 							      'RESOURCES',
                   4276: 							      'PAGESIZE',
                   4277: 							      '',
                   4278: 							      $isProblemOrMap, $isNotMap,
                   4279: 							      $symbFilter,
                   4280: 							      $start_new_option) .
                   4281: 				   &generate_resource_chooser('ALL_RESOURCES',
                   4282: 							      'Select Resource(s) to print',
                   4283: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   4284: 							      'RESOURCES',
                   4285: 							      'PAGESIZE',
                   4286: 							      '',
                   4287: 							      $isNotMap,'',$symbFilter,
                   4288: 							      $start_new_option) .
                   4289: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   4290: 							      'Select Problem(s) to print',
                   4291: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   4292: 							      'RESOURCES',
                   4293: 							      'STUDENTS1',
                   4294: 							      '',
                   4295: 							      $isProblemOrMap,'' , $symbFilter,
                   4296: 							      $start_new_option) .
                   4297: 				     $suffixXml
                   4298: 				   );
1.132     bowersj2 4299: 
1.284     albertel 4300: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     4301: 
                   4302: 	    # If we were looking at a page, allow a selection of problems from the page
                   4303: 	    # either for selected students or for coded assignments.
                   4304: 
                   4305: 	    if ($page_ispage) {
                   4306: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   4307: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4308: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   4309: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   4310: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4311: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   4312: 	    }
                   4313: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   4314: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   4315: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   4316: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   4317: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   4318: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 4319: 	}
1.424     foxr     4320: 
1.507     albertel 4321: 	my $randomly_ordered_warning = 
1.591     foxr     4322:             &get_randomly_ordered_warning($helper, $map);
1.507     albertel 4323: 
1.424     foxr     4324: 	# resource_selector will hold a few states that:
                   4325: 	#   - Allow resources to be selected for printing.
                   4326: 	#   - Determine pagination between assignments.
                   4327: 	#   - Determine how many assignments should be bundled into a single PDF.
                   4328:         # TODO:
                   4329: 	#    Probably good to do things like separate this up into several vars, each
                   4330: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   4331: 	#    and next states for better mix and match capability
                   4332: 	#
1.562     foxr     4333: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   4334: 							  'Select resources to print',
                   4335: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   4336: 							  'RESOURCES', 
                   4337: 							  'PRINT_FORMATTING',
1.571     droeschl 4338: 							  $map,
1.562     foxr     4339: 							  $isProblem, '', $symbFilter,
                   4340: 							  $start_new_option);
1.586     raeburn  4341: 	$resource_selector .=  &generate_format_selector($helper,
1.598     raeburn  4342:                                                          'How should results be printed?',
                   4343:                                                          'PRINT_FORMATTING').
1.586     raeburn  4344:                                &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
1.562     foxr     4345: 							'Select Problem(s) to print',
                   4346: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   4347: 							'RESOURCES',
                   4348: 							'PRINT_FORMATTING',
                   4349: 							$url,
                   4350: 							$isProblem, '',  $symbFilter,
                   4351: 							$start_new_option);
                   4352: 
                   4353: 
                   4354: # Generate student choosers.
                   4355: 
                   4356: 
1.284     albertel 4357: 
1.562     foxr     4358:         &Apache::lonxml::xmlparse($r, 'helper',
                   4359: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   4360: 							    'student_sort',
                   4361: 							    'STUDENTS',
                   4362: 							    'CHOOSE_STUDENTS_PAGE'));
                   4363: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   4364: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   4365: 							    'student_sort',
                   4366: 							    'STUDENTS',
                   4367: 							    'SELECT_PROBLEMS'));
                   4368: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 4369: 
1.373     albertel 4370: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4371: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 4372:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   4373: 	my $namechoice='<choice></choice>';
1.337     albertel 4374: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 4375: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 4376: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 4377: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   4378: 	}
1.389     foxr     4379: 
                   4380: 
                   4381: 	my %code_values;
1.405     albertel 4382: 	my %codes_to_print;
1.411     albertel 4383: 	foreach my $key (@names) {
1.389     foxr     4384: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 4385: 	    foreach my $key (keys(%code_values)) {
                   4386: 		$codes_to_print{$key} = 1;
1.388     foxr     4387: 	    }
                   4388: 	}
1.389     foxr     4389: 
1.452     albertel 4390: 	my $code_selection;
1.405     albertel 4391: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     4392: 	    my $choice  = $code;
                   4393: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   4394: 		$choice = &letters_to_num($code);
                   4395: 	    }
1.432     albertel 4396: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     4397: 	}
1.436     albertel 4398: 	if (%codes_to_print) {
                   4399: 	    $code_selection .='   
1.472     albertel 4400: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 4401: 		<message></td><td></message>
1.452     albertel 4402: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   4403:                   <choice></choice>
1.448     albertel 4404:                   <exec>
                   4405:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   4406:                   </exec>
1.452     albertel 4407: 		</dropdown>
1.468     foxr     4408: 	    <message></td></tr><tr><td></message>
1.436     albertel 4409:             '.$/;
1.448     albertel 4410: 
1.436     albertel 4411: 	}
1.432     albertel 4412: 
1.542     raeburn  4413:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 4414: 	my $codechoice='';
1.542     raeburn  4415: 	foreach my $line (@lines) {
1.381     albertel 4416: 	    my ($name,$description,$code_type,$code_length)=
                   4417: 		(split(/:/,$line))[0,1,2,4];
                   4418: 	    if ($code_length > 0 && 
                   4419: 		$code_type =~/^(letter|number|-1)/) {
                   4420: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   4421: 	    }
                   4422: 	}
                   4423: 	if ($codechoice eq '') {
                   4424: 	    $codechoice='<choice computer="default">Default</choice>';
                   4425: 	}
1.562     foxr     4426: 	my $anon1 = &generate_code_selector($helper, 
                   4427: 					    'CHOOSE_ANON1',
                   4428: 					    'SELECT_PROBLEMS',
                   4429: 					    $codechoice,
                   4430: 					    $code_selection,
                   4431: 					    $namechoice) . $resource_selector;
                   4432: 					    
                   4433: 					    
                   4434:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   4435: 
                   4436: 	my $anon_page = &generate_code_selector($helper,
                   4437: 						'CHOOSE_ANON1_PAGE',
                   4438: 						'SELECT_PROBLEMS_PAGE',
                   4439: 						$codechoice,
                   4440: 						$code_selection,
                   4441: 						$namechoice) .
                   4442: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   4443: 						   'Select Problem(s) to print',
                   4444: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   4445: 						   'RESOURCES',
                   4446: 						   'PRINT_FORMATTING',
                   4447: 						   $url,
                   4448: 						   $isProblem, '',  $symbFilter,
                   4449: 						   $start_new_option);
                   4450: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 4451: 
1.272     sakharuk 4452: 
1.254     sakharuk 4453: 	if ($helper->{VARS}->{'assignment'}) {
1.590     foxr     4454: 
                   4455: 	    # Assignment printing:
                   4456: 
1.546     bisitz   4457: 	    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'];
                   4458: 	    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 4459: 	}
1.284     albertel 4460: 	    
                   4461: 
                   4462: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     4463:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 4464:     $randomly_ordered_warning
1.424     foxr     4465:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 4466:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 4467:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   4468:               closeallpages="1">
1.254     sakharuk 4469:       <filterfunc>return $isNotMap;</filterfunc>
                   4470:       <mapurl>$map</mapurl>
                   4471:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4472:       $start_new_option
1.254     sakharuk 4473:       </resource>
1.424     foxr     4474:     </state>
1.284     albertel 4475: RESOURCE_SELECTOR
                   4476: 
1.586     raeburn  4477:         $resource_selector .= &generate_format_selector($helper,
                   4478:                                                         'Format of the print job',
1.598     raeburn  4479:                                                         'PRINT_FORMATTING');
1.284     albertel 4480: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   4481:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     4482:     <choices variable='student_sort'>
                   4483:       <choice computer='0'>Sort by section then student</choice>
                   4484:       <choice computer='1'>Sort by students across sections.</choice>
                   4485:     </choices>
1.437     foxr     4486:     <message><br /><hr /><br /></message>
1.426     foxr     4487:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     4488: 
1.424     foxr     4489:     </state>
1.284     albertel 4490:     $resource_selector
1.254     sakharuk 4491: CHOOSE_STUDENTS1
                   4492: 
1.284     albertel 4493: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 4494:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     4495:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 4496:     <message><h4>Fill out one of the forms below</h4></message>
                   4497:     <message><br /><hr /> <br /></message>
                   4498:     <message><h3>Generate new CODEd Assignments</h3></message>
                   4499:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     4500:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 4501:        <validator>
                   4502: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     4503: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     4504: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   4505: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 4506: 	    return "You need to specify the number of assignments to print";
                   4507: 	}
1.578     foxr     4508:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   4509:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   4510:             return 'Specifying number of codes to print and a specific code is not compatible';
                   4511:         }
1.362     albertel 4512: 	return undef;
                   4513:        </validator>
                   4514:     </string>
                   4515:     <message></td></tr><tr><td></message>
1.501     albertel 4516:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 4517:     <message></td><td></message>
                   4518:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   4519:     <message></td></tr><tr><td></message>
1.599     raeburn  4520:     <message><b>Bubblesheet type:</b></message>
1.412     albertel 4521:     <message></td><td></message>
                   4522:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   4523:     $codechoice
                   4524:     </dropdown>
1.472     albertel 4525:     <message></td></tr><tr><td></table></message>
                   4526:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   4527:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 4528:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     4529:         <validator>
                   4530: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     4531: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   4532: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     4533: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   4534: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     4535: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     4536: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     4537: 	   } else {
                   4538: 	       return undef;	# Other forces control us.
                   4539: 	   }
                   4540:         </validator>
                   4541:     </string>
1.472     albertel 4542:     <message></td></tr><tr><td></message>
1.432     albertel 4543:         $code_selection
1.472     albertel 4544:     <message></td></tr></table></message>
                   4545:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   4546:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 4547:     <message></td><td></message>
1.294     albertel 4548:     <dropdown variable="REUSE_OLD_CODES">
                   4549:         $namechoice
                   4550:     </dropdown>
1.412     albertel 4551:     <message></td></tr></table></message>
1.424     foxr     4552:   </state>
1.284     albertel 4553:     $resource_selector
                   4554: CHOOSE_ANON2
1.481     albertel 4555:     }
                   4556: 
1.121     bowersj2 4557:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     4558:     if (($perm{'pav'} 
1.482     albertel 4559: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   4560: 	&& (defined($helper->{'VARS'}->{'construction'})
                   4561: 	    ||
                   4562: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   4563: 	     && 
                   4564: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     4565: 	    )) 
                   4566: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 4567: 	) {
                   4568: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   4569:         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 4570:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 4571:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      4572: 
1.138     bowersj2 4573:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 4574:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 4575:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 4576: CHOOSE_FROM_SUBDIR
                   4577:         
1.238     bowersj2 4578:         # this is broken up because I really want interpolation above,
                   4579:         # and I really DON'T want it below
1.139     bowersj2 4580:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 4581:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   4582: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 4583:       </filefilter>
1.138     bowersj2 4584:       </files>
1.131     bowersj2 4585:     </state>
                   4586: CHOOSE_FROM_SUBDIR
1.139     bowersj2 4587:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 4588:     }
1.238     bowersj2 4589: 
                   4590:     # Allow the user to select any sequence in the course, feed it to
                   4591:     # another resource selector for that sequence
1.483     foxr     4592:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 4593: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 4594: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 4595: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   4596: 	#Escape apostrophes and backslashes for Perl
                   4597: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   4598: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 4599: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 4600:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   4601:     <message>Select the sequence to print resources from:</message>
                   4602:     <resource variable="SEQUENCE">
                   4603:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1.616     foxr     4604:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
1.238     bowersj2 4605:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     4606:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     4607: 	</choicefunc>
1.238     bowersj2 4608:       </resource>
                   4609:     </state>
                   4610:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   4611:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     4612:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 4613:               closeallpages="1">
1.238     bowersj2 4614:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 4615:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 4616:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 4617:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4618:       $start_new_option
1.238     bowersj2 4619:       </resource>
                   4620:     </state>
                   4621: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 4622: }
1.481     albertel 4623: 
1.131     bowersj2 4624:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 4625:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.615     foxr     4626:     if (!$res_printable) {
                   4627: 	$paramHash = Apache::lonhelper::getParamHash();
                   4628: 	$paramHash->{MESSAGE_TEXT} = 
                   4629: 	    &mt('<p><b>Printing for current resource is only possible between [_1] and [_1]</b></p>',
                   4630: 	    $res_printstartdate, $res_printenddate);
                   4631: 	Apache::lonhelper::message->new();
                   4632:     }
                   4633:     $paramHash = Apache::lonhelper::getParamHash();
1.131     bowersj2 4634:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 4635:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 4636:     Apache::lonhelper::message->new();
                   4637:     $paramHash = Apache::lonhelper::getParamHash();
                   4638:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   4639:     $paramHash->{CHOICES} = $printChoices;
                   4640:     Apache::lonhelper::choices->new();
1.161     bowersj2 4641: 
1.223     bowersj2 4642:     my $startedTable = 0; # have we started an HTML table yet? (need
                   4643:                           # to close it later)
                   4644: 
1.585     raeburn  4645:     if (($perm{'pav'} and $perm{'vgr'}) or 
1.170     sakharuk 4646: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   4647: 	&addMessage('<br />'
                   4648:                    .'<h3>'.&mt('Print Options').'</h3>'
                   4649:                    .&Apache::lonhtmlcommon::start_pick_box()
                   4650:                    .&Apache::lonhtmlcommon::row_title(
                   4651:                        '<label for="ANSWER_TYPE_forminput">'
                   4652:                       .&mt('Print Answers')
                   4653:                       .'</label>'
                   4654:                     )
                   4655:         );
1.161     bowersj2 4656:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 4657: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   4658: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 4659:         $paramHash->{CHOICES} = [
1.242     sakharuk 4660:                                    ['Without Answers', 'yes'],
                   4661:                                    ['With Answers', 'no'],
1.368     albertel 4662:                                    ['Only Answers', 'only']
1.289     sakharuk 4663:                                 ];
1.210     sakharuk 4664:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4665: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 4666: 	$startedTable = 1;
1.556     foxr     4667: 
                   4668: #
                   4669: #  Select font size.
                   4670: #
                   4671: 
                   4672:             $helper->declareVar('fontsize');
                   4673:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   4674:             my $xmlfrag = << "FONT_SELECTION";
                   4675: 
                   4676:           
                   4677:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   4678:             <defaultvalue>
                   4679: 		  return 'normalsize';
                   4680:             </defaultvalue>
                   4681:             <choice computer='tiny'>Tiny</choice>
                   4682:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   4683:             <choice computer='footnotesize'>Footnote Size</choice>
                   4684:             <choice computer='small'>Small</choice>
                   4685:             <choice computer='normalsize'>Normal (default)</choice>
                   4686:             <choice computer='large'>larger than normal</choice>
                   4687:             <choice computer='Large'>Even larger than normal</choice>
                   4688:             <choice computer='LARGE'>Still larger than normal</choice>
                   4689:             <choice computer='huge'>huge font size</choice>
                   4690:             <choice computer='Huge'>Largest possible size</choice>
                   4691:             </dropdown>
                   4692: FONT_SELECTION
                   4693:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   4694:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 4695:     }
1.209     sakharuk 4696: 
1.397     albertel 4697:     if ($perm{'pav'}) {
1.223     bowersj2 4698: 	if (!$startedTable) {
1.497     www      4699: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   4700:                        '<label for="LATEX_TYPE_forminput">'.
                   4701:                        &mt('LaTeX mode').
                   4702:                        "</label>: </td><td>");
1.223     bowersj2 4703: 	    $startedTable = 1;
                   4704: 	} else {
1.544     bisitz   4705: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4706:                            '<label for="LATEX_TYPE_forminput">'
                   4707:                            .&mt('LaTeX mode')
                   4708:                            .'</label>'
                   4709:                         )
                   4710:             );
1.223     bowersj2 4711: 	}
1.203     sakharuk 4712:         $paramHash = Apache::lonhelper::getParamHash();
                   4713: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   4714: 	$helper->declareVar('LATEX_TYPE');  
                   4715: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   4716: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4717: 				     ['standard LaTeX mode', 'standard'], 
                   4718: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 4719: 	} else {
                   4720: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4721: 				     ['LaTeX batchmode', 'batchmode'],
                   4722: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 4723: 	}
1.210     sakharuk 4724:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 4725:  
1.544     bisitz   4726: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   4727:                    .&Apache::lonhtmlcommon::row_title(
                   4728:                         '<label for="TABLE_CONTENTS_forminput">'
                   4729:                        .&mt('Print Table of Contents')
                   4730:                        .'</label>'
                   4731:                     )
                   4732:         );
1.209     sakharuk 4733:         $paramHash = Apache::lonhelper::getParamHash();
                   4734: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   4735: 	$helper->declareVar('TABLE_CONTENTS');         
                   4736:         $paramHash->{CHOICES} = [
1.223     bowersj2 4737:                                    ['No', 'no'],
                   4738:                                    ['Yes', 'yes'] ];
1.210     sakharuk 4739:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4740: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 4741:         
1.220     sakharuk 4742: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   4743: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4744:                             '<label for="TABLE_INDEX_forminput">'
                   4745:                            .&mt('Print Index')
                   4746:                            .'</label>'
                   4747:                         )
                   4748:             );
1.220     sakharuk 4749: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4750: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   4751: 	    $helper->declareVar('TABLE_INDEX');         
                   4752: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4753: 				     ['No', 'no'],
                   4754: 				     ['Yes', 'yes'] ];
1.220     sakharuk 4755: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4756:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   4757:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   4758:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   4759:                            .&mt('Print Discussions')
                   4760:                            .'</label>'
                   4761:                         )
                   4762:             );
1.309     sakharuk 4763: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4764: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4765: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4766: 	    $paramHash->{CHOICES} = [
                   4767: 				     ['No', 'no'],
                   4768: 				     ['Yes', 'yes'] ];
                   4769: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4770:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4771: 
1.511     foxr     4772: 	    # Prompt for printing annotations too.
                   4773: 		
1.545     bisitz   4774: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4775:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4776:                            .&mt('Print Annotations')
                   4777:                            .'</label>'
                   4778:                         )
                   4779:             );
1.511     foxr     4780: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4781: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4782: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4783: 	    $paramHash->{CHOICES} = [
                   4784: 				     ['No', 'no'],
                   4785: 				     ['Yes', 'yes']];
                   4786: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4787:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4788: 
1.545     bisitz   4789:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4790: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4791: 	    $paramHash->{'multichoice'} = "true";
                   4792: 	    $paramHash->{'allowempty'}  = "true";
                   4793: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4794: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4795: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4796:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4797: 	}
1.219     sakharuk 4798: 
1.230     albertel 4799: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4800: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4801:             my $randseedtext=&mt("Use random seed");
                   4802:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4803:             my $selectfiletext=&mt("Select style file");
1.497     www      4804: 
1.544     bisitz   4805: 	    my $xmlfrag .= '<message>'
                   4806:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4807:                                               .$randseedtext
                   4808:                                               .'</label>'
                   4809:              )
                   4810:             .'</message>
                   4811:             <string variable="curseed" size="15" maxlength="15">
                   4812:                 <defaultvalue>
                   4813:                    return '.$helper->{VARS}->{'curseed'}.';
                   4814:                 </defaultvalue>'
                   4815:             .'</string>'
                   4816:             .'<message>'
                   4817:             .&Apache::lonhtmlcommon::row_closure()
                   4818:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4819:                                               .$stylefiletext
                   4820:                                               .'</label>'
                   4821:              )
                   4822:             .'</message>
1.504     albertel 4823:              <string variable="style_file" size="40">
1.544     bisitz   4824:                 <defaultvalue>
                   4825:                     return '.$stylevalue.';
                   4826:                 </defaultvalue>
                   4827:              </string><message>&nbsp;'
                   4828: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4829: .$selectfiletext.'</a>'
                   4830:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4831:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4832:             .'</message>
1.371     foxr     4833: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4834:                 <choice computer="1">&nbsp;</choice>
                   4835:              </choices>'
                   4836: 	    .'<message>'
                   4837:             .&Apache::lonhtmlcommon::row_closure()
                   4838:             .'</message>';
1.230     albertel 4839:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4840: 
                   4841: 
1.544     bisitz   4842:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4843: 	    #
                   4844: 	    # Initial value from construction space:
                   4845: 	    #
                   4846: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4847: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4848: 	    }
1.518     foxr     4849: 	    $xmlfrag = << "PROBTYPE";
                   4850: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4851: 		   <defaultvalue>
                   4852: 		      return "$helper->{VARS}->{'probstatus'}";
                   4853:                    </defaultvalue>
                   4854: 		   <choice computer="problem">Homework Problem</choice>
                   4855: 		   <choice computer="exam">Exam Problem</choice>
                   4856: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4857:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4858: 		</dropdown>
                   4859: PROBTYPE
                   4860:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4861:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4862: 
1.556     foxr     4863: 
                   4864: 
1.544     bisitz   4865:         }
1.223     bowersj2 4866:     }
1.264     sakharuk 4867: 
                   4868: 
                   4869: 
1.218     sakharuk 4870: 
1.223     bowersj2 4871:     if ($startedTable) {
1.544     bisitz   4872:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4873:     }
1.161     bowersj2 4874: 
1.131     bowersj2 4875:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4876: 
1.144     bowersj2 4877:     # Generate the PAGESIZE state which will offer the user the margin
                   4878:     # choices if they select one column
                   4879:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4880:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4881: 
                   4882: 
1.131     bowersj2 4883:     $helper->process();
                   4884: 
1.416     foxr     4885: 
1.131     bowersj2 4886:     # MANUAL BAILOUT CONDITION:
                   4887:     # If we're in the "final" state, bailout and return to handler
                   4888:     if ($helper->{STATE} eq 'FINAL') {
                   4889:         return $helper;
                   4890:     }    
1.130     sakharuk 4891: 
1.584     raeburn  4892:     my $footer;
1.395     www      4893:     if ($helper->{STATE} eq 'START') {
1.584     raeburn  4894:         my $prtspool=$r->dir_config('lonPrtDir'); 
                   4895: 	$footer = &recently_generated($prtspool);
1.395     www      4896:     }
1.584     raeburn  4897:     $r->print($helper->display($footer));
1.333     albertel 4898:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4899: 
                   4900:     return OK;
                   4901: }
                   4902: 
1.1       www      4903: 
                   4904: 1;
1.119     bowersj2 4905: 
                   4906: package Apache::lonprintout::page_format_state;
                   4907: 
                   4908: =pod
                   4909: 
1.131     bowersj2 4910: =head1 Helper element: page_format_state
                   4911: 
                   4912: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4913: 
1.131     bowersj2 4914: Apache::lonprintout::page_format_state is an element that gives the 
                   4915: user an opportunity to select the page layout they wish to print 
                   4916: with: Number of columns, portrait/landscape, and paper size. If you 
                   4917: want to change the paper size choices, change the @paperSize array 
                   4918: contents in this package.
1.119     bowersj2 4919: 
1.131     bowersj2 4920: page_format_state is always directly invoked in lonprintout.pm, so there
                   4921: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4922: 
                   4923: =over 4
                   4924: 
1.131     bowersj2 4925: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4926: 
                   4927: =back
                   4928: 
                   4929: =cut
                   4930: 
1.131     bowersj2 4931: use Apache::lonhelper;
1.119     bowersj2 4932: 
                   4933: no strict;
1.131     bowersj2 4934: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4935: use strict;
1.266     sakharuk 4936: use Apache::lonlocal;
1.373     albertel 4937: use Apache::lonnet;
1.119     bowersj2 4938: 
                   4939: my $maxColumns = 2;
1.376     albertel 4940: # it'd be nice if these all worked
                   4941: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4942: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4943: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4944: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4945: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4946: 		 "a4 [210x297 mm]");
1.119     bowersj2 4947: 
                   4948: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4949: #                   Paper type
                   4950: 
                   4951: sub new { 
1.131     bowersj2 4952:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4953: 
1.135     bowersj2 4954:     shift;
                   4955: 
1.131     bowersj2 4956:     $self->{'variable'} = shift;
1.134     bowersj2 4957:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4958:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4959:     bless($self);
1.119     bowersj2 4960:     return $self;
                   4961: }
                   4962: 
                   4963: sub render {
                   4964:     my $self = shift;
1.131     bowersj2 4965:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4966:     my $result = '';
1.131     bowersj2 4967:     my $var = $self->{'variable'};
1.266     sakharuk 4968:     my $PageLayout=&mt('Page layout');
                   4969:     my $NumberOfColumns=&mt('Number of columns');
                   4970:     my $PaperType=&mt('Paper type');
1.506     albertel 4971:     my $landscape=&mt('Landscape');
                   4972:     my $portrait=&mt('Portrait');
1.539     onken    4973:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4974:     my $with=&mt('with Formfields');
                   4975:     my $without=&mt('without Formfields');
1.556     foxr     4976:     
                   4977: 
1.544     bisitz   4978:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4979:             .&Apache::loncommon::start_data_table()
                   4980:             .&Apache::loncommon::start_data_table_header_row()
                   4981:             .'<th>'.$PageLayout.'</th>'
                   4982:             .'<th>'.$NumberOfColumns.'</th>'
                   4983:             .'<th>'.$PaperType.'</th>'
                   4984:             .'<th>'.$pdfFormLabel.'</th>'
                   4985:             .&Apache::loncommon::end_data_table_header_row()
                   4986:             .&Apache::loncommon::start_data_table_row()
                   4987:     .'<td>'
                   4988:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4989:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4990:     .'</td>';
1.119     bowersj2 4991: 
1.544     bisitz   4992:     $result.='<td align="center">'
                   4993:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4994: 
                   4995:     my $i;
                   4996:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4997:         if ($i == 2) {
1.553     bisitz   4998:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4999:         } else {
1.553     bisitz   5000:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 5001:         }
                   5002:     }
                   5003: 
                   5004:     $result .= "</select></td><td>\n";
                   5005:     $result .= "<select name='${var}.paper'>\n";
                   5006: 
1.373     albertel 5007:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 5008:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   5009:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 5010:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 5011:     $i = 0;
                   5012:     foreach (@paperSize) {
1.326     sakharuk 5013: 	$_=~/(\w+)/;
                   5014: 	my $papersize=$1;
1.304     sakharuk 5015:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   5016:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 5017:         } else {
1.553     bisitz   5018:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 5019:         }
                   5020:         $i++;
                   5021:     }
1.539     onken    5022:     $result .= <<HTML;
                   5023:         </select>
                   5024:     </td>
                   5025:     <td align='center'>
                   5026:         <select name='${var}.pdfFormFields'>
1.553     bisitz   5027:             <option selected="selected" value="no">$without</option>
                   5028:             <option value="yes">$with</option>
1.539     onken    5029:         </select>
                   5030:     </td>
                   5031: HTML
1.544     bisitz   5032:     $result.=&Apache::loncommon::end_data_table_row()
                   5033:             .&Apache::loncommon::end_data_table();
1.539     onken    5034: 
1.119     bowersj2 5035:     return $result;
1.135     bowersj2 5036: }
                   5037: 
                   5038: sub postprocess {
                   5039:     my $self = shift;
                   5040: 
                   5041:     my $var = $self->{'variable'};
1.136     bowersj2 5042:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 5043:     $helper->{VARS}->{$var} = 
1.373     albertel 5044:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    5045:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 5046:     return 1;
1.119     bowersj2 5047: }
                   5048: 
                   5049: 1;
1.144     bowersj2 5050: 
                   5051: package Apache::lonprintout::page_size_state;
                   5052: 
                   5053: =pod
                   5054: 
                   5055: =head1 Helper element: page_size_state
                   5056: 
                   5057: See lonhelper.pm documentation for discussion of the helper framework.
                   5058: 
                   5059: Apache::lonprintout::page_size_state is an element that gives the 
                   5060: user the opportunity to further refine the page settings if they
                   5061: select a single-column page.
                   5062: 
                   5063: page_size_state is always directly invoked in lonprintout.pm, so there
                   5064: is no tag interface. You actually pass parameters to the constructor.
                   5065: 
                   5066: =over 4
                   5067: 
                   5068: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   5069: 
                   5070: =back
                   5071: 
                   5072: =cut
                   5073: 
                   5074: use Apache::lonhelper;
1.373     albertel 5075: use Apache::lonnet;
1.144     bowersj2 5076: no strict;
                   5077: @ISA = ("Apache::lonhelper::element");
                   5078: use strict;
                   5079: 
                   5080: 
                   5081: 
                   5082: sub new { 
                   5083:     my $self = Apache::lonhelper::element->new();
                   5084: 
                   5085:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   5086:            # package descriptor)... - Jeremy
                   5087: 
                   5088:     $self->{'variable'} = shift;
                   5089:     my $helper = Apache::lonhelper::getHelper();
                   5090:     $helper->declareVar($self->{'variable'});
                   5091: 
                   5092:     # The variable name of the format element, so we can look into 
                   5093:     # $helper->{VARS} to figure out whether the columns are one or two
                   5094:     $self->{'formatvar'} = shift;
                   5095: 
1.463     foxr     5096: 
1.144     bowersj2 5097:     $self->{NEXTSTATE} = shift;
                   5098:     bless($self);
1.467     foxr     5099: 
1.144     bowersj2 5100:     return $self;
                   5101: }
                   5102: 
                   5103: sub render {
                   5104:     my $self = shift;
                   5105:     my $helper = Apache::lonhelper::getHelper();
                   5106:     my $result = '';
                   5107:     my $var = $self->{'variable'};
                   5108: 
1.467     foxr     5109: 
                   5110: 
1.144     bowersj2 5111:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 5112:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 5113:     }
                   5114: 
1.438     foxr     5115:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     5116: 
                   5117:     # Use format to get sensible defaults for the margins:
                   5118: 
                   5119: 
                   5120:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5121:     ($papersize)                      = split(/ /, $papersize);
                   5122: 
1.559     foxr     5123:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     5124: 
                   5125: 
                   5126: 
1.464     albertel 5127:     my %size;
                   5128:     ($size{'width_and_units'},
                   5129:      $size{'height_and_units'},
                   5130:      $size{'margin_and_units'})=
                   5131: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     5132:     
1.464     albertel 5133:     foreach my $dimension ('width','height','margin') {
                   5134: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   5135: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   5136:        	
                   5137: 	foreach my $unit ('cm','in') {
                   5138: 	    $size{$dimension.'_options'} .= '<option ';
                   5139: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   5140: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   5141: 	    }
                   5142: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   5143: 	}
1.438     foxr     5144:     }
                   5145: 
1.470     foxr     5146:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   5147: 
                   5148:     if ($size{'margin_unit'} eq 'in') {
                   5149: 	$size{'margin'} += 1;
                   5150:     }  else {
                   5151: 	$size{'margin'} += 2.54;
                   5152:     }
1.548     bisitz   5153:     my %lt = &Apache::lonlocal::texthash(
                   5154:         'format' => 'How should each column be formatted?',
                   5155:         'width'  => 'Width',
                   5156:         'height' => 'Height',
                   5157:         'margin' => 'Left Margin'
                   5158:     );
                   5159: 
                   5160:     $result .= '<p>'.$lt{'format'}.'</p>'
                   5161:               .&Apache::lonhtmlcommon::start_pick_box()
                   5162:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   5163:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   5164:               .'<select name="'.$var.'.widthunit">'
                   5165:               .$size{'width_options'}
                   5166:               .'</select>'
                   5167:               .&Apache::lonhtmlcommon::row_closure()
                   5168:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   5169:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   5170:               .'<select name="'.$var.'.heightunit">'
                   5171:               .$size{'height_options'}
                   5172:               .'</select>'
                   5173:               .&Apache::lonhtmlcommon::row_closure()
                   5174:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   5175:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   5176:               .'<select name="'.$var.'.lmarginunit">'
                   5177:               .$size{'margin_options'}
                   5178:               .'</select>'
                   5179:               .&Apache::lonhtmlcommon::row_closure(1)
                   5180:               .&Apache::lonhtmlcommon::end_pick_box();
                   5181:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   5182:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 5183: 
                   5184:     return $result;
                   5185: }
                   5186: 
1.470     foxr     5187: 
1.144     bowersj2 5188: sub preprocess {
                   5189:     my $self = shift;
                   5190:     my $helper = Apache::lonhelper::getHelper();
                   5191: 
                   5192:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     5193: 
                   5194:     #  If the user does not have 'pav' privilege, set default widths and
                   5195:     #  on to the next state right away.
                   5196:     #
                   5197:     if (!$perm{'pav'}) {
                   5198: 	my $var = $self->{'variable'};
                   5199: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   5200: 	
                   5201: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5202: 	($papersize)                      = split(/ /, $papersize);
                   5203: 	
                   5204: 	
1.560     foxr     5205: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     5206: 
1.467     foxr     5207: 	#  Figure out some good defaults for the print out and set them:
                   5208: 	
                   5209: 	my %size;
                   5210: 	($size{'width'},
                   5211: 	 $size{'height'},
                   5212: 	 $size{'lmargin'})=
                   5213: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   5214: 	
                   5215: 	foreach my $dim ('width', 'height', 'lmargin') {
                   5216: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     5217: 	    	    
1.467     foxr     5218: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   5219: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   5220: 	    
                   5221: 	}
                   5222: 	
                   5223: 
                   5224: 	# Transition to the next state
                   5225: 
                   5226: 	$helper->changeState($self->{NEXTSTATE});
                   5227:     }
1.144     bowersj2 5228:    
                   5229:     return 1;
                   5230: }
                   5231: 
                   5232: sub postprocess {
                   5233:     my $self = shift;
                   5234: 
                   5235:     my $var = $self->{'variable'};
                   5236:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 5237:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   5238:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   5239:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   5240:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   5241:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   5242:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 5243: 
                   5244:     my $error = '';
                   5245: 
                   5246:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   5247:     # by an optional period, followed by digits, ending the string
                   5248: 
1.464     albertel 5249:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5250:         $error .= "Invalid width; please type only a number.<br />\n";
                   5251:     }
1.464     albertel 5252:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5253:         $error .= "Invalid height; please type only a number.<br />\n";
                   5254:     }
1.464     albertel 5255:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5256:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     5257:     } else {
                   5258: 	# Adjust for LaTeX 1.0 inch margin:
                   5259: 
                   5260: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   5261: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   5262: 	} else {
                   5263: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   5264: 	}
1.144     bowersj2 5265:     }
                   5266: 
                   5267:     if (!$error) {
                   5268:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   5269:         return 1;
                   5270:     } else {
                   5271:         $self->{ERROR_MSG} = $error;
                   5272:         return 0;
                   5273:     }
                   5274: }
                   5275: 
1.1       www      5276: __END__
1.6       sakharuk 5277: 

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