Annotation of loncom/interface/lonprintout.pm, revision 1.668

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.668   ! raeburn     4: # $Id: lonprintout.pm,v 1.667 2018/12/30 19:53:34 raeburn Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: # http://www.lon-capa.org/
                     26: #
1.3       sakharuk   27: #
1.1       www        28: package Apache::lonprintout;
                     29: use strict;
1.10      albertel   30: use Apache::Constants qw(:common :http);
1.2       sakharuk   31: use Apache::lonxml;
                     32: use Apache::lonnet;
1.54      sakharuk   33: use Apache::loncommon;
1.13      sakharuk   34: use Apache::inputtags;
1.54      sakharuk   35: use Apache::grades;
1.13      sakharuk   36: use Apache::edit;
1.5       sakharuk   37: use Apache::File();
1.68      sakharuk   38: use Apache::lonnavmaps;
1.511     foxr       39: use Apache::admannotations;
1.521     foxr       40: use Apache::lonenc;
1.531     foxr       41: use Apache::entities;
1.550     foxr       42: use Apache::londefdef;
1.612     foxr       43: # use Apache::structurelags;	# for language management.
1.550     foxr       44: 
                     45: use File::Basename;
1.531     foxr       46: 
1.515     foxr       47: use HTTP::Response;
1.491     albertel   48: use LONCAPA::map();
1.255     www        49: use Apache::lonlocal;
1.429     foxr       50: use Carp;
1.439     www        51: use LONCAPA;
1.60      sakharuk   52: 
1.588     foxr       53: 
1.397     albertel   54: my %perm;
1.454     foxr       55: my %parmhash;
1.459     foxr       56: my $resources_printed;
1.454     foxr       57: 
1.515     foxr       58: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     59: #
                     60: 
                     61: my $ssi_error;			# True if there was an ssi error.
                     62: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     63: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     64: 
                     65: #
                     66: #  Our ssi max retry count.
                     67: #
                     68: 
                     69: my $ssi_retry_count = 5;	# Some arbitrary value.
                     70: 
                     71: 
1.556     foxr       72: #  Font size:
                     73: 
                     74: my $font_size = 'normalsize';	# Default is normalsize...
                     75: 
1.562     foxr       76: #----------------------------  Helper helpers. -------------------------
                     77: 
1.616     foxr       78: ## 
                     79: # Filter function to determine if a resource is a printable sequence.
                     80: #
                     81: # @param $res -Resource to check.
                     82: #
                     83: # @return 1 - printable and a resource
                     84: #         0 - either notm a sequence or not printable.
                     85: #
                     86: sub printable_sequence {
                     87:     my $res = shift;
                     88: 
                     89:     # Non-sequences are not listed:
                     90: 
                     91:     if (!$res->is_sequence()) {
                     92: 	return 0;
                     93:     }
                     94: 
                     95:     # Person with pav or pfo can always print:
                     96: 
                     97:     if ($perm{'pav'} || $perm{'pfo'}) {
                     98: 	return 1;
                     99:     }
                    100: 
                    101:     if ($res->is_sequence()) {
                    102: 	my $symb = $res->symb();
                    103: 	my $navmap   = $res->{NAV_MAP};
                    104: 
                    105: 	# Find the first resource in the map:
                    106: 
                    107: 	my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
                    108: 	my $first    = $iterator->next();
                    109: 
                    110: 	while (1) {
1.617     foxr      111: 	    if ($first == $iterator->END_ITERATOR) { last; }
1.616     foxr      112: 	    if (ref($first) && ! $first->is_sequence()) {last; }
                    113: 	    $first = $iterator->next();
                    114: 	}
                    115: 
                    116: 
                    117: 	# Might be an empty map:
                    118: 
                    119: 	if (!ref($first)) {
                    120: 	    return 0;
                    121: 	}
                    122: 	my $partsref = $first->parts();
                    123: 	my @parts    = @$partsref;
                    124: 	my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
                    125: 	return &printable($open, $close);
                    126:     }
                    127:     return 0;
                    128: }
                    129: 
1.590     foxr      130: # BZ5209:
                    131: #    Create the states needed to run the helper for incomplete problems from
                    132: #    the current folder for selected students.
                    133: #    This includes:
                    134: #    -  A resource selector limited to problems (incompleteness must be
                    135: #       calculated on a student per student basis.
                    136: #    -  A student selector.
                    137: #    -  Tie in to the FORMAT of the print job.
                    138: #
                    139: # States:
                    140: #   CHOOSE_INCOMPLETE_PEOPLE_SEQ      - Resource selection.
                    141: #   CHOOSE_STUDENTS_INCOMPLETE        - Student selection.
                    142: #   CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
                    143: # Parameters:
                    144: #    helper - the helper which already contains info about the current folder we can
                    145: #             purloin.
                    146: #    url    - Top url of the sequence
                    147: # Return:
                    148: #     XML that can be parsed by the helper to drive the state machine.
                    149: #
1.629     raeburn   150: sub create_incomplete_folder_selstud_helper {
1.590     foxr      151:     my ($helper, $map)  = @_;
                    152: 
                    153: 
                    154:     my $symbFilter = '$res->shown_symb()';
                    155:     my $selFilter   = '$res->is_problem()';
                    156: 
                    157: 
                    158:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
                    159: 						      'Select problem(s) to print',
1.661     raeburn   160: 						      'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
1.590     foxr      161: 						      'RESOURCES',
                    162: 						      'CHOOSE_STUDENTS_INCOMPLETE',
                    163: 						      $map,
                    164: 						      $selFilter,
                    165: 						      '',
                    166: 						      $symbFilter, 
                    167: 						      '');
                    168: 
                    169:     my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
                    170: 						 'student_sort',
                    171: 						 'STUDENTS',
                    172: 						 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
                    173: 
                    174:     my $format_chooser = &generate_format_selector($helper,
                    175: 						'Format of the print job',
1.598     raeburn   176: 						'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
1.590     foxr      177: 
                    178:     return $resource_chooser . $student_chooser . $format_chooser;
                    179: }  
                    180: 
                    181: 
                    182: # BZ 5209
                    183: #     Create the states needed to run the helper for incomplete problems from
                    184: #     the current folder for selected students.
                    185: #     This includes:
                    186: #     - A resource selector limited to problems.  (incompleteness must be calculated
                    187: #       on a student per student basis.
                    188: #     - A student selector.
                    189: #     - Tie in to format for the print job.
                    190: # States:
                    191: #    INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
                    192: #    INCOMPLETE_PROBLEMS_COURSE_STUDENTS  - Student selector.
                    193: #    INCOMPLETE_PROBLEMS_COURSE_FORMAT    - Format selection.
                    194: #
                    195: # Parameters:
                    196: #   helper   - Helper we are creating states for.
                    197: # Returns:
                    198: #   Text that can be parsed by the helper.
                    199: # 
                    200: 
                    201: sub create_incomplete_course_helper {
                    202:     my $helper = shift;
                    203: 
                    204:     my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                    205:     my $symbfilter = '$res->shown_symb()';
                    206:     
                    207:     my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
                    208: 						      'Select problem(s) to print',
1.661     raeburn   209: 						      'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1" modallink="1"',
1.590     foxr      210: 						      'RESOURCES',
                    211: 						      'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    212: 						      '',
                    213: 						      $filter,
                    214: 						      '',
                    215: 						      $symbfilter,
                    216: 						      '');
                    217: 
                    218:     my $people_chooser  = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    219: 						    'student_sort',
                    220: 						    'STUDENTS',
                    221: 						    'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
                    222: 
                    223:     my $format = &generate_format_selector($helper,
                    224: 					   'Format of the print job',
                    225: 					   'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
                    226: 
                    227:     return $resource_chooser . $people_chooser . $format;
                    228: 
                    229: 
                    230: }
                    231: 
                    232: # BZ5209 
                    233: #   Creates the states needed to run the print helper for a student
                    234: #   that wants to print his incomplete problems from the current folder.
                    235: # Parameters:
                    236: #   $helper - helper we are generating states for.
                    237: #   $map    - The map for which the student wants incomplete problems.
                    238: # Returns:
                    239: #   XML that defines the helper states being created.
                    240: #
                    241: # States:
                    242: #   CHOOSE_INCOMPLETE_SEQ  - Resource selector.
                    243: #
                    244: sub create_incomplete_folder_helper {
                    245:     my ($helper, $map) = @_;
                    246: 
                    247:     my $filter    = '$res->is_problem()';
                    248:     $filter      .= ' && $res->resprintable() ';
                    249:     $filter      .= ' && $res->is_incomplete() ';
                    250: 
                    251:     my $symfilter = '$res->shown_symb()';
                    252: 
                    253:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
                    254: 						      'Select problem(s) to print',
1.661     raeburn   255: 						      'multichoice="1", toponly ="1", addstatus="1", closeallpages="1" modallink="1"',
1.590     foxr      256: 						      'RESOURCES',
                    257: 						      'PAGESIZE',
                    258: 						      $map,
                    259: 						      $filter, '', 
                    260: 						      $symfilter,
                    261: 						      '');
                    262: 
                    263:     return $resource_chooser;
                    264: }
                    265: 
                    266: 
                    267: #  Returns the text neded for a student chooser.
1.562     foxr      268: #  that text must still be parsed by the helper xml parser.
                    269: # Parameters:
                    270: #   this_state   - State name of the chooser.
                    271: #   sort_choice  - variable to hold the sorting choice.
                    272: #   variable     - Name of variable to hold students.
                    273: #   next_state   - State after chooser.
                    274: 
                    275: 
                    276: sub generate_student_chooser {
                    277:     my ($this_state, 
                    278: 	$sort_choice, 
                    279: 	$variable, 
                    280: 	$next_state) = @_;
                    281:     my $result = <<CHOOSE_STUDENTS;
                    282:   <state name="$this_state" title="Select Students and Resources">
                    283:       <message><b>Select sorting order of printout</b> </message>
                    284: 
                    285:     <choices variable="$sort_choice">
                    286:       <choice computer='0'>Sort by section then student</choice>
                    287:       <choice computer='1'>Sort by students across sections.</choice>
                    288:     </choices>
                    289: 
                    290:       <message><br /><hr /><br /> </message>
                    291:       <student multichoice='1' 
                    292:                variable="$variable" 
                    293:                nextstate="$next_state" 
                    294:                coursepersonnel="1" />
                    295:   </state>
                    296: 
                    297: CHOOSE_STUDENTS
                    298: 
                    299:   return $result;
                    300: }
                    301: 
                    302: # Generate the text needed for a resource chooser given the top level of
                    303: # the sequence/page
                    304: #
                    305: # Parameters:
                    306: #     this_state    - State name of the chooser.
                    307: #     prompt_text   - Text to use to prompt user.
                    308: #     resource_options - Resource tag options e.g.
1.661     raeburn   309: #                        "multichoice='1', toponly='1', addstatus='1',
                    310: #                         modallink='1'" 
1.562     foxr      311: #                     that control the selection and appearance of the
                    312: #                     resource selector.
                    313: #     variable      - Name of the variable to hold the choice
                    314: #     next_state    - Name of the next state the helper should transition
                    315: #                     to
                    316: #     top_url       - Top level URL within which to make the selector.
                    317: #                     If empty the top level sequence is shown.
                    318: #     filter        - How to filter the resources.
                    319: #     value_func    - <valuefunc> function.
                    320: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    321: #     start_new_option 
                    322: #                   - Fragment appended after valuefunc.
                    323: #
                    324: #
                    325: sub generate_resource_chooser {
                    326:     my ($this_state,
                    327: 	$prompt_text,
                    328: 	$resource_options,
                    329: 	$variable,
                    330: 	$next_state,
                    331: 	$top_url,
                    332: 	$filter,
                    333: 	$choice_func,
                    334: 	$value_func,
                    335: 	$start_new_option)  = @_;
                    336: 
                    337:     my $result = <<CHOOSE_RESOURCES;
                    338: <state name="$this_state" title="$prompt_text">
                    339:     <resource variable="$variable" $resource_options
                    340:               closeallpages="1">
                    341:       <nextstate>$next_state</nextstate>
                    342:       <filterfunc>return $filter;</filterfunc>
                    343: CHOOSE_RESOURCES
                    344:     if ($choice_func ne '') {
                    345: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    346:     }
                    347:     if ($top_url ne '') {
                    348: 	$result .=  "<mapurl>$top_url</mapurl>";
                    349:     }
                    350:     $result .= <<CHOOSE_RESOURCES;
                    351:       <valuefunc>return $value_func;</valuefunc>
                    352:       $start_new_option
                    353:       </resource>
                    354:     </state>
                    355: CHOOSE_RESOURCES
                    356:     return $result;
                    357: }
                    358: #
                    359: #   Generate the helper XML for a code choice helper dialog:
                    360: #
                    361: # Paramters:
                    362: #   $helper       - Reference to the helper.
                    363: #   $state        - Name of the state for the chooser.
                    364: #   $next_state   - Name fo the state to follow the chooser.
                    365: #   $bubble_types - Populates the bubble sheet type dropt down.
                    366: #   $code_selections - Provides set of code choices that have been used
                    367: #   $saved_codes  - Provides the list of saved codes.
                    368: #
                    369: # Returns;
                    370: #   The Xml of the code chooser.
                    371: #
                    372: sub generate_code_selector {
                    373:     my ($helper,
                    374: 	$state,
                    375: 	$next_state,
                    376: 	$bubble_types,
                    377: 	$code_selections,
                    378: 	$saved_codes) = @_;	# Unpack the parameters.
                    379: 
                    380:     my $result = <<CHOOSE_ANON1;
                    381:   <state name="$state" title="Specify CODEd Assignments">
                    382:     <nextstate>$next_state</nextstate>
                    383:     <message><h4>Fill out one of the forms below</h4></message>
                    384:     <message><br /><hr /> <br /></message>
                    385:     <message><h3>Generate new CODEd Assignments</h3></message>
                    386:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      387:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      388:        <validator>
                    389: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    390: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    391:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      392: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    393: 
1.562     foxr      394: 	    return "You need to specify the number of assignments to print";
                    395: 	}
1.578     foxr      396:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    397:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    398:             return 'Specifying number of codes to print and a specific code is not compatible';
                    399:         }
1.562     foxr      400: 	return undef;
                    401:        </validator>
                    402:     </string>
                    403:     <message></td></tr><tr><td></message>
                    404:     <message><b>Names to save the CODEs under for later:</b></message>
                    405:     <message></td><td></message>
                    406:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    407:     <message></td></tr><tr><td></message>
1.599     raeburn   408:     <message><b>Bubblesheet type:</b></message>
1.562     foxr      409:     <message></td><td></message>
                    410:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    411:     $bubble_types
                    412:     </dropdown>
                    413:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    414:     <message></td></tr><tr><td></table></message>
                    415:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    416:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    417:     <string variable="SINGLE_CODE" size="10">
                    418:         <validator>
                    419: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    420: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    421: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    422: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    423: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      424: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      425: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      426: 	   } else {
                    427: 	       return undef;	# Other forces control us.
                    428: 	   }
                    429:         </validator>
                    430:     </string>
                    431:     <message></td></tr><tr><td></message>
                    432:         $code_selections
                    433:     <message></td></tr></table></message>
                    434:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    435:     <message><b>Select saved CODEs:</b></message>
                    436:     <message></td><td></message>
                    437:     <dropdown variable="REUSE_OLD_CODES">
                    438:         $saved_codes
                    439:     </dropdown>
                    440:     <message></td></tr></table></message>
                    441:   </state>
                    442: CHOOSE_ANON1
                    443: 
                    444:    return $result;
                    445: }
                    446: 
1.598     raeburn   447: #  Returns the XML for choosing how assignments are to be formatted 
                    448: #  that text must still be parsed by the helper xml parser.
                    449: # Parameters: 3 (required)
                    450: 
                    451: #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
                    452: #                  to check if splitting PDFs by section can be offered.
                    453: #   title        - Title for the current state. 
                    454: #   this_state   - State name of the chooser.
                    455: 
1.586     raeburn   456: sub generate_format_selector {
1.598     raeburn   457:     my ($helper,$title,$this_state) = @_;
1.586     raeburn   458:     my $secpdfoption;
                    459:     unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                    460:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
                    461:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {
                    462:         $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
                    463:     }
                    464:     return <<RESOURCE_SELECTOR;
1.598     raeburn   465:     <state name="$this_state" title="$title">
1.586     raeburn   466:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                    467:     <choices variable="EMPTY_PAGES">
                    468:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                    469:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                    470:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                    471:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
                    472:     </choices>
                    473:     <nextstate>PAGESIZE</nextstate>
                    474:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                    475:     <choices variable="SPLIT_PDFS">
                    476:        <choice computer="all">All assignments in a single PDF file</choice>
                    477:        $secpdfoption
                    478:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                    479:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                    480:             Specify the number of assignments per PDF:</choice>
                    481:     </choices>
                    482:     </state>
                    483: RESOURCE_SELECTOR
                    484: }
                    485: 
1.562     foxr      486: #-----------------------------------------------------------------------
                    487: 
1.616     foxr      488: # Computes an open and close date from a list of open/close dates for a resource's
                    489: # parts.
                    490: #
                    491: # @param \@opens - reference to an array of open dates.
                    492: # @param \@closes - reference to an array of close dates.
                    493: #
                    494: # @return ($open, $close) 
                    495: #
1.638     raeburn   496: # @note If open/close dates are not defined they will be returned as undef
1.616     foxr      497: # @note It is possible for there to be no overlap in which case -1,-1 
                    498: #       will be returned.
                    499: # @note The algorithm used is to take the latest open date and the earliest end date.
                    500: #
                    501: sub compute_open_window {
                    502:     my ($opensref, $closesref) = @_;
                    503: 
                    504:     my @opens   = @$opensref;
                    505:     my @closes  = @$closesref;
                    506: 
                    507:     # latest open date:
                    508:     my $latest_open;
                    509: 
                    510:     foreach my $open (@opens) {
                    511: 	if (!defined($latest_open) || ($open > $latest_open)) {
                    512: 	    $latest_open = $open;
                    513: 	}
                    514:     }
                    515:     # Earliest close:
                    516: 
                    517:     my $earliest_close;
                    518:     foreach my $close (@closes) {
                    519: 	if (!defined($earliest_close) || ($close < $earliest_close)) {
                    520: 	    $earliest_close = $close;
                    521: 	}
                    522:     }
                    523: 
                    524:     # If no overlap...both are -1 as promised.
                    525: 
1.638     raeburn   526:     if (($earliest_close ne '') && ($latest_open ne '')
1.616     foxr      527: 	 && ($earliest_close < $latest_open)) {
                    528: 	$latest_open  = -1;
                    529: 	$earliest_close = -1;
                    530:     }
                    531:     
                    532:     return ($latest_open, $earliest_close);
                    533:   
                    534: }
                    535: 
                    536: ##
                    537: #  Determines if 'now' is within the set of printable dates.
                    538: #
                    539: #  @param $open_date - Starting date/timestamp.
                    540: #  @param $close_date - Ending date/timestamp.
                    541: #
                    542: #  @return 0 - Not open.
                    543: #  @return 1 - open.
                    544: #
                    545: sub printable {
                    546:     my ($open_date, $close_date) = @_;
                    547: 
                    548: 
                    549:     my $now = time();
                    550: 
                    551:     # Have to do a bit of fancy footwork around undefined open/close dates:
                    552: 
                    553:     if ($open_date && ($open_date > $now)) {
                    554: 	return 0;
                    555:     }
                    556: 
                    557:     if ($close_date && ($close_date < $now)) {
                    558: 	return 0;
                    559:     }
                    560:     
                    561:     return 1;
                    562: 
                    563: }
                    564: 
1.615     foxr      565: ##
                    566: # Returns the innermost print start/print end dates for a resource.
                    567: # This is done by looking at the start/end dates for its parts and choosing
                    568: # the intersection of those dates.
                    569: # 
                    570: # @param res - lonnvamaps::resource object that represents the resource.
                    571: #
                    572: # @return (opendate, closedate)
                    573: #
1.638     raeburn   574: # @note If open/close dates are not defined they will be returned as undef
1.615     foxr      575: # @note It is possible for there to be no overlap in which case -1,-1 
                    576: #       will be returned.
                    577: # @note The algorithm used is to take the latest open date and the earliest end date.
1.638     raeburn   578: #       For consistency with &printable() in lonnavmaps.pm determination of start
                    579: #       date for printing checks printstartdate param first, then, if not set,
                    580: #       opendate param, then, if not set, contentopen param.
1.615     foxr      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',  $part);
1.638     raeburn   599:             if (!$partopen) {
                    600:                 $partopen = $res->parmval('opendate',$part);
                    601:             }
                    602:             if (!$partopen) {
                    603:                 $partopen = $res->parmval('contentopen',$part);
                    604:             }
                    605:             if ($partopen) {
                    606:                 push(@open_dates, $partopen);
                    607:             }
                    608:             if ($partclose) {
                    609:                 push(@close_dates, $partclose);
                    610:             }
1.616     foxr      611: 	    push(@open_dates, $partopen);
                    612: 	    push(@close_dates, $partclose);
                    613: 	}
                    614:     }
                    615: 
                    616:     ($open_date, $close_date)  = &compute_open_window(\@open_dates, \@close_dates);
                    617: 
                    618:     return ($open_date, $close_date);
                    619: }
                    620: 
                    621: ##
                    622: # Get the dates for which a course says a resource can be printed.  This is like
                    623: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
                    624: # to times either.
                    625: #
                    626: # @param $res - Reference to a resource has from lonnvampas::resource.
                    627: #
                    628: # @return (opendate, closedate)
                    629: #
                    630: sub course_print_dates {
                    631:     my $res = shift;
                    632:     my $partsref = $res->parts();
                    633:     my @parts    = @$partsref;
                    634:     my $open_date;
                    635:     my $close_date;
                    636:     my @open_dates;
                    637:     my @close_dates;
                    638:     my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
                    639: 
                    640:     # Don't bother looping over undefined or empty parts arraY;
                    641: 
1.620     raeburn   642:     if (@parts) {
1.616     foxr      643: 	foreach my $part (@parts) {
                    644: 	    my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
                    645: 	    push(@open_dates, $partopen);
                    646: 	    push(@close_dates, $partclose);
1.615     foxr      647: 	}
1.616     foxr      648: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
1.615     foxr      649:     }
1.616     foxr      650:     return ($open_date, $close_date);
                    651: }
                    652: ##
                    653: # Same as above but for the enclosing map:
                    654: #
                    655: sub map_print_dates {
                    656:     my $res = shift;
                    657:     my $partsref = $res->parts();
                    658:     my @parts    = @$partsref;
                    659:     my $open_date;
                    660:     my $close_date;
                    661:     my @open_dates;
                    662:     my @close_dates;
                    663:     my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
                    664: 
                    665: 
                    666:     # Don't bother looping over undefined or empty parts arraY;
1.615     foxr      667: 
1.620     raeburn   668:     if (@parts) {
1.616     foxr      669: 	foreach my $part (@parts) {
                    670: 	    my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
                    671: 	    push(@open_dates, $partopen);
                    672: 	    push(@close_dates, $partclose);
                    673: 	}
                    674: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
                    675:     }
1.615     foxr      676:     return ($open_date, $close_date);
                    677: }
                    678: 
1.591     foxr      679: # Determine if a resource is incomplete given the map:
                    680: # Parameters:
                    681: #   $username - Name of user for whom we are checking.
                    682: #   $domain   - Domain of user we are checking.
                    683: #   $map - map name.
                    684: # Returns:
                    685: #     0 - map is not incomplete.
                    686: #     1 - map is incomplete.
                    687: #
                    688: sub incomplete {
                    689:     my ($username, $domain, $map) = @_;
                    690: 
                    691: 
1.595     foxr      692:     my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
1.591     foxr      693:     
                    694: 
                    695:     if (defined($navmap)) {
                    696: 	my $res = $navmap->getResourceByUrl($map);
                    697: 	my $result = $res->is_incomplete();
                    698: 	return $result;
                    699:     } else {
                    700: 	return 1;
                    701:     }
                    702: }
1.595     foxr      703: #
1.646     raeburn   704: #  When printing for students, the resources and order of the
1.595     foxr      705: #  resources may need to be altered if there are folders with
                    706: #  random selectiopn or random ordering (or both) enabled.
                    707: #  This sub computes the set of resources to print for a student
                    708: #  modified both by random ordering and selection and filtered
1.646     raeburn   709: #  to only those that are in the original set selected to be printed.
1.595     foxr      710: #
                    711: # Parameters:
1.626     raeburn   712: #   $map - The URL of the folder being printed.
                    713: #          Used to determine which startResource and finishResource
                    714: #          to use when using the navmap's getIterator method.
                    715: #   $seq   - The original set of resources to print.
1.600     foxr      716: #            (really an array of resource names (array of symb's).
1.595     foxr      717: #   $who   - Student/domain for whome the sequence will be generated.
1.626     raeburn   718: #   $code  - CODE being printed when printing Problems/Resources
                    719: #            from folder for CODEd assignments
1.646     raeburn   720: #   $nohidemap - If true, parameter in map for hiddenresource will be
                    721: #                ignored.  The user calling the routine should have
                    722: #                both the pav and vgr privileges if this is set to true).
1.595     foxr      723: #
                    724: # Implicit inputs:
                    725: #   $
                    726: # Returns:
                    727: #   reference to an array of resources that can be passed to
                    728: #   print_resources.
                    729: # 
                    730: sub master_seq_to_person_seq {
1.631     raeburn   731:     my ($map, $seq, $who, $code, $nohidemap) = @_;
1.595     foxr      732: 
                    733: 
                    734:     my ($username, $userdomain, $usersection) = split(/:/, $who);
                    735: 
                    736:     # Toss the sequence up into a hash so that we have O(1) lookup time.
                    737:     # on the items that come out of the user's list of resources.
                    738:     #
1.626     raeburn   739: 
1.595     foxr      740:     my %seq_hash = map {$_  => 1} @$seq;
                    741:     my @output_seq;
1.631     raeburn   742: 
                    743:     my $unhidden;
1.647     raeburn   744:     if ($nohidemap) {
1.631     raeburn   745:         $unhidden = &Apache::lonnet::clutter($map);
                    746:     }
1.595     foxr      747:     
1.625     raeburn   748:     my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain,
1.631     raeburn   749:                                                            $code, $unhidden);
1.626     raeburn   750:     my ($start,$finish);
1.595     foxr      751: 
1.626     raeburn   752:     if ($map) {
                    753:         my $mapres = $navmap->getResourceByUrl($map);
                    754:         if ($mapres->is_map()) {
                    755:             $start = $mapres->map_start();
                    756:             $finish = $mapres->map_finish();
                    757:         }
                    758:     }
                    759:     unless ($start && $finish) {
                    760:         $start = $navmap->firstResource();
                    761:         $finish = $navmap->finishResource();
                    762:     }
                    763: 
                    764:     my $iterator         = $navmap->getIterator($start,$finish,{},1);
1.595     foxr      765: 
                    766:     #  Iterate on the resource..select the items that are randomly selected
                    767:     #  and that are in the seq_has.  Presumably the iterator will take care
                    768:     # of the random ordering part of the deal.
                    769:     #
                    770:     my $curres;
                    771:     while ($curres = $iterator->next()) {
                    772: 	#
1.600     foxr      773: 	#  Only process resources..that are not removed by randomout...
                    774: 	#  and are selected for printint as well.
1.595     foxr      775: 	#
1.626     raeburn   776:         if (ref($curres) && ! $curres->randomout()) {
                    777:             my $currsymb = $curres->symb();
                    778:             if (exists($seq_hash{$currsymb})) {
                    779:                 push(@output_seq, $currsymb);
1.595     foxr      780: 	    }
                    781: 	}
                    782:     }
                    783: 
                    784:     return \@output_seq;		# for now.
                    785:     
                    786: }
                    787: 
1.515     foxr      788: 
1.498     foxr      789: # Fetch the contents of a resource, uninterpreted.
                    790: # This is used here to fetch a latex file to be included
                    791: # verbatim into the printout<
                    792: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    793: #
                    794: # Parameters:
                    795: #   URL of the file
                    796: #
                    797: sub fetch_raw_resource {
                    798:     my ($url) = @_;
                    799: 
                    800:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      801:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      802: 
1.500     foxr      803:     if ($contents == -1) {
                    804: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      805:     }
1.500     foxr      806:     return $contents;
1.498     foxr      807: 
                    808:     
                    809: }
                    810: 
1.511     foxr      811: #  Fetch the annotations associated with a URL and 
                    812: #  put a centered 'annotations:' title.
                    813: #  This is all suppressed if the annotations are empty.
                    814: #
                    815: sub annotate {
                    816:     my ($symb) = @_;
                    817: 
1.559     foxr      818:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      819: 
                    820: 
                    821:     my $result = "";
                    822: 
                    823:     if (length($annotation_text) > 0) {
                    824: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    825: 	$result .= "\n";
                    826: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    827: 	$result .= "\n\n";
                    828:     }
                    829:     return $result;
                    830: }
                    831: 
1.556     foxr      832: #
                    833: #   Set a global document font size:
                    834: #   This is done by replacing \begin{document}
                    835: #   with \begin{document}{\some-font-directive
                    836: #   and \end{document} with
                    837: #   }\end{document
                    838: #
                    839: sub set_font_size {
                    840: 
                    841:     my ($text) = @_;
                    842: 
1.575     foxr      843:     # There appear to be cases where the font directive is empty.. in which
                    844:     # case the first substituion would  insert a spurious \ oh happy day.
                    845:     # as this has been the cause of much mystery and hair pulling _sigh_
                    846: 
                    847:     if ($font_size ne '') {
                    848: 
1.649     raeburn   849: 	$text =~ s/\\begin\{document}/\\begin{document}{\\$font_size/;
1.575     foxr      850:     }
1.649     raeburn   851:     $text =~ s/\\end\{document}/}\\end{document}/;
1.556     foxr      852:     return $text;
                    853: 
                    854: 
                    855: }
                    856: 
1.550     foxr      857: # include_pdf - PDF files are included into the 
                    858: # output as follows:
                    859: #  - The PDF, if necessary, is replicated.
                    860: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    861: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    862: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    863: #
                    864: # Parameters:
                    865: #   pdf_uri   - URI of the PDF file to include.
                    866: #   
                    867: # Returns:
                    868: #  The LaTeX to include.
                    869: #
                    870: # Assumptions:
                    871: #    The uri is actually a PDF file
                    872: #    The postscript will have the includepsheader.ps included.
                    873: #
                    874: #
                    875: sub include_pdf {
                    876:     my ($pdf_uri) = @_;
                    877: 
                    878:     # Where is the file? If not local we'll need to repcopy it:'
                    879: 
                    880:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    881:     if (! -e $file) {
                    882: 	&Apache::lonnet::repcopy($file);
                    883: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    884:     }
                    885: 
                    886:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    887:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    888:     # need tob e converted for this print job:
                    889: 
1.608     raeburn   890:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
                    891:     $file =~ s{(.*)/res/}{$londocroot/res/};
1.550     foxr      892: 
1.659     raeburn   893:     open(FILE,">>","$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.550     foxr      894:     print FILE ("$file\n");
                    895:     close (FILE);
                    896: 
                    897:     # Construct the special to put out.  To do this we need to get the
                    898:     # resulting filename after conversion.  The file will have the same name
                    899:     # but will be in the user's spool directory with converted images.
                    900: 
                    901:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    902:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    903: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    904:     $base =~ s/ /\_/g;
                    905: 
                    906: 
1.551     foxr      907:     my $output = &print_latex_header();
1.550     foxr      908:     $output    .= '\special{ps: _begin_job_ ('
                    909: 	.$base.'.pdf.eps'.
                    910: 	')run _end_job_}';
                    911: 
                    912:     return $output;
                    913: 
                    914: 
                    915: }
1.612     foxr      916: ##
                    917: #  Collect the various \select_language{language_name}
                    918: #  latex tags to build a \usepackage[lang-list]{babel} which will
                    919: #  appear just prior to the \begin{document} at the front of the concatenated
                    920: #  set of resources:
                    921: # @param doc - The string of latex to search/replace.
                    922: # @return string
                    923: # @retval - the modified document stringt.
                    924: #
                    925: sub collect_languages {
                    926:     my $doc = shift;
                    927:     my %languages;
1.649     raeburn   928:     while ($doc =~ /\\selectlanguage\{(\w+)}/mg) {
1.612     foxr      929: 	$languages{$1} = 1;	# allows us to request each language exactly once.
                    930:     }
                    931:     my @lang_list = (keys(%languages)); # List of unique languages
                    932:     if (scalar @lang_list) {
                    933: 	my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
1.649     raeburn   934: 	$doc =~ s/\\begin\{document}/$babel_header\\begin{document}/;
1.612     foxr      935:     }
                    936:     return $doc;
                    937: }
                    938: #-------------------------------------------------------------------
1.515     foxr      939: 
                    940: #
1.559     foxr      941: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      942: #                      if the ssi call returns an error we'll retry it up to
                    943: #                      the number of times requested by the caller.
                    944: #                      If we still have a proble, no text is appended to the
                    945: #                      output and we set some global variables.
1.523     raeburn   946: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      947: #                      All of this is supposed to deal with the issues described
                    948: #                      in LonCAPA BZ 5631 see:
                    949: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    950: #                      by informing the user that this happened.
                    951: #
                    952: # Parameters:
                    953: #   resource   - The resource to include.  This is passed directly, without
                    954: #                interpretation to lonnet::ssi.
                    955: #   form       - The form hash parameters that guide the interpretation of the resource
                    956: #                
                    957: #   retries    - Number of retries allowed before giving up completely.
                    958: # Returns:
                    959: #   On success, returns the rendered resource identified by the resource parameter.
                    960: # Side Effects:
                    961: #   The following global variables can be set:
1.523     raeburn   962: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      963: #                               It is up to the caller to initialize this to false
                    964: #                               if desired.
1.523     raeburn   965: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      966: #                               of the resource that could not be rendered by the ssi
                    967: #                               call.
                    968: #    ssi_last_error           - The error string fetched from the ssi response
                    969: #                               in the event of an error.
                    970: #
                    971: sub ssi_with_retries {
                    972:     my ($resource, $retries, %form) = @_;
                    973: 
1.559     foxr      974:     my $target = $form{'grade_target'};
                    975:     my $aom    = $form{'answer_output_mode'};
                    976: 
                    977: 
1.515     foxr      978: 
1.516     foxr      979:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    980:     if (!$response->is_success) {
1.515     foxr      981: 	$ssi_error               = 1;
                    982: 	$ssi_last_error_resource = $resource;
1.516     foxr      983: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   984:         $content='\section*{!!! An error occurred !!!}';	
1.515     foxr      985:     }
1.516     foxr      986: 
                    987:     return $content;
                    988: 
1.515     foxr      989: }
                    990: 
1.524     www       991: sub get_student_view_with_retries {
                    992:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    993: 
                    994:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    995:     if (!$response->is_success) {
                    996:         $ssi_error               = 1;
1.526     www       997:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       998:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   999:         $content='\section*{!!! An error occurred !!!}';
1.524     www      1000:     }
                   1001:     return $content;
                   1002: 
                   1003: }
                   1004: 
1.486     foxr     1005: #
                   1006: #   printf_style_subst  item format_string repl
                   1007: #  
                   1008: # Does printf style substitution for a format string that
                   1009: # can have %[n]item in it.. wherever, %[n]item occurs,
                   1010: # rep is substituted in format_string.  Note that
                   1011: # [n] is an optional integer length.  If provided,
                   1012: # repl is truncated to at most [n] characters prior to 
                   1013: # substitution.
                   1014: #
                   1015: sub printf_style_subst {
                   1016:     my ($item, $format_string, $repl) = @_;
1.490     foxr     1017:     my $result = "";
                   1018:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel 1019: 	my $fmt = $1;
                   1020: 	my $size = $2;
1.486     foxr     1021: 	my $subst = $repl;
                   1022: 	if ($size ne "") {
                   1023: 	    $subst = substr($subst, 0, $size);
1.490     foxr     1024: 	    
                   1025: 	    #  Here's a nice edge case.. supose the end of the
                   1026: 	    #  substring is a \.  In that case may have  just
                   1027: 	    #  chopped off a TeX escape... in that case, we append
                   1028: 	    #   " " for the trailing character, and let the field 
                   1029: 	    #  spill over a bit (sigh).
                   1030: 	    #  We don't just chop off the last character in order to deal
                   1031: 	    #  with one last pathology, and that would be if substr had
                   1032: 	    #  trimmed us to e.g. \\\  
                   1033: 
                   1034: 
                   1035: 	    if ($subst =~ /\\$/) {
                   1036: 		$subst .= " ";
                   1037: 	    }
1.486     foxr     1038: 	}
1.490     foxr     1039: 	my $item_pos = pos($format_string);
                   1040: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                   1041:         $format_string = substr($format_string, pos($format_string));
1.486     foxr     1042:     }
1.490     foxr     1043: 
                   1044:     # Put the residual format string into the result:
                   1045: 
                   1046:     $result .= $format_string;
                   1047: 
                   1048:     return $result;
1.486     foxr     1049: }
                   1050: 
1.454     foxr     1051: 
                   1052: # Format a header according to a format.  
                   1053: # 
                   1054: 
                   1055: # Substitutions:
                   1056: #     %a    - Assignment name.
                   1057: #     %c    - Course name.
                   1058: #     %n    - Student name.
1.537     foxr     1059: #     %s    - The section if it is supplied.
1.454     foxr     1060: #
                   1061: sub format_page_header {
1.537     foxr     1062:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                   1063: 
1.565     foxr     1064: 
                   1065: 
1.486     foxr     1066:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr     1067:     my $chars_per_line = int($width/1.6);   # Character/textline.
                   1068: 
1.454     foxr     1069:     #  Default format?
                   1070: 
                   1071:     if ($format eq '') {
1.486     foxr     1072: 	# For the default format, we may need to truncate
                   1073: 	# elements..  To do this we need to get the page width.
                   1074: 	# we assume that each character is about 2mm in width.
                   1075: 	# (correct for the header text size??).  We ignore
                   1076: 	# any formatting (e.g. boldfacing in this).
                   1077: 	# 
                   1078: 	# - Allow the student/course to be one line.
                   1079: 	#   but only truncate the course.
                   1080: 	# - Allow the assignment to be 2 lines (wrapped).
                   1081: 	#
1.565     foxr     1082: 
1.537     foxr     1083: 	
                   1084: 
                   1085: 	my $name_length    = int($chars_per_line *3 /4);
                   1086: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr     1087: 
1.537     foxr     1088: 	$format  = "%$name_length".'n';
1.486     foxr     1089: 
1.537     foxr     1090: 	if ($section) {
                   1091: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr     1092: 	}
1.489     foxr     1093: 
1.537     foxr     1094: 	$format .= '\\\\%c \\\\ %a';
                   1095:         
1.490     foxr     1096: 
1.454     foxr     1097:     }
1.537     foxr     1098:     # An open question is how to handle long user formatted page headers...
                   1099:     # A possible future is to support e.g. %na so that the user can control
                   1100:     # the truncation of the elements that can appear in the header.
                   1101:     #
                   1102:     $format =  &printf_style_subst("a", $format, $assignment);
                   1103:     $format =  &printf_style_subst("c", $format, $course);
                   1104:     $format =  &printf_style_subst("n", $format, $student);
                   1105:     $format =  &printf_style_subst("s", $format, $section);
                   1106:     
                   1107:     
                   1108:     # If the user put %'s in the format string, they  must be escaped
                   1109:     # to \% else LaTeX will think they are comments and terminate
                   1110:     # the line.. which is bad!!!
                   1111:     
1.538     onken    1112:     # If the user has role author, $course and $assignment are empty so
                   1113:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                   1114:     if($format =~ /\\\\\s\\\\\s/) {
                   1115:         #TODO find sensible caption for page header
1.633     raeburn  1116:         my $testPrintout = '\\\\'.&mt('Authoring Space').' \\\\'.&mt('Test-Printout ');
1.538     onken    1117:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                   1118:     }
1.565     foxr     1119:     #
                   1120:     #  We're going to trust LaTeX to break lines appropriately, but
                   1121:     #  we'll truncate anything that's more than 3 lines worth of
                   1122:     # text.  This is also assuming (which will probably end badly)
                   1123:     # nobody's going to embed LaTeX control sequences in the title
                   1124:     # header or rather that those control sequences won't get broken
                   1125:     # by the stuff below.
                   1126:     #
                   1127:     my $total_length = 3*$chars_per_line;
                   1128:     if (length($format) > $total_length) {
                   1129: 	$format = substr($format, 0, $total_length);
                   1130:     }
                   1131: 
1.454     foxr     1132: 
                   1133:     return $format;
                   1134:     
                   1135: }
1.397     albertel 1136: 
1.385     foxr     1137: #
                   1138: #   Convert a numeric code to letters
                   1139: #
                   1140: sub num_to_letters {
                   1141:     my ($num) = @_;
                   1142:     my @nums= split('',$num);
                   1143:     my @num_to_let=('A'..'Z');
                   1144:     my $word;
                   1145:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1146:     return $word;
                   1147: }
                   1148: #   Convert a letter code to numeric.
                   1149: #
                   1150: sub letters_to_num {
                   1151:     my ($letters) = @_;
                   1152:     my @letters = split('', uc($letters));
1.490     foxr     1153:    my %substitution;
1.385     foxr     1154:     my $digit = 0;
                   1155:     foreach my $letter ('A'..'J') {
                   1156: 	$substitution{$letter} = $digit;
                   1157: 	$digit++;
                   1158:     }
                   1159:     #  The substitution is done as below to preserve leading
                   1160:     #  zeroes which are needed to keep the code size exact
                   1161:     #
                   1162:     my $result ="";
                   1163:     foreach my $letter (@letters) {
                   1164: 	$result.=$substitution{$letter};
                   1165:     }
                   1166:     return $result;
                   1167: }
                   1168: 
1.383     foxr     1169: #  Determine if a code is a valid numeric code.  Valid
                   1170: #  numeric codes must be comprised entirely of digits and
1.384     albertel 1171: #  have a correct number of digits.
1.383     foxr     1172: #
                   1173: #  Parameters:
                   1174: #     value      - proposed code value.
1.384     albertel 1175: #     num_digits - Number of digits required.
1.383     foxr     1176: #
                   1177: sub is_valid_numeric_code {
1.384     albertel 1178:     my ($value, $num_digits) = @_;
1.383     foxr     1179:     #   Remove leading/trailing whitespace;
1.387     foxr     1180:     $value =~ s/^\s*//g;
                   1181:     $value =~ s/\s*$//g;
1.383     foxr     1182:     
                   1183:     #  All digits?
1.387     foxr     1184:     if ($value !~ /^[0-9]+$/) {
1.383     foxr     1185: 	return "Numeric code $value has invalid characters - must only be digits";
                   1186:     }
1.384     albertel 1187:     if (length($value) != $num_digits) {
                   1188: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                   1189:     }
1.385     foxr     1190:     return undef;
1.383     foxr     1191: }
                   1192: #   Determines if a code is a valid alhpa code.  Alpha codes
                   1193: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel 1194: #   They also have a correct digit count.
1.383     foxr     1195: # Parameters:
                   1196: #     value          - Proposed code value.
1.384     albertel 1197: #     num_letters    - correct number of letters.
1.383     foxr     1198: # Note:
                   1199: #    leading and trailing whitespace are ignored.
                   1200: #
                   1201: sub is_valid_alpha_code {
1.384     albertel 1202:     my ($value, $num_letters) = @_;
1.383     foxr     1203:     
                   1204:      # strip leading and trailing spaces.
                   1205: 
                   1206:     $value =~ s/^\s*//g;
                   1207:     $value =~ s/\s*$//g;
                   1208: 
                   1209:     #  All alphas in the right range?
1.384     albertel 1210:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr     1211: 	return "Invalid letter code $value must only contain A-J";
                   1212:     }
1.384     albertel 1213:     if (length($value) != $num_letters) {
                   1214: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                   1215:     }
1.385     foxr     1216:     return undef;
1.383     foxr     1217: }
                   1218: 
1.382     foxr     1219: #   Determine if a code entered by the user in a helper is valid.
                   1220: #   valid depends on the code type and the type of code selected.
                   1221: #   The type of code selected can either be numeric or 
                   1222: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                   1223: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                   1224: #   We'll be nice and be case insensitive for alpha codes.
                   1225: # Parameters:
                   1226: #    code_value    - the value of the code the user typed in.
                   1227: #    code_option   - The code type selected from the set in the scantron format
                   1228: #                    table.
                   1229: # Returns:
                   1230: #    undef         - The code is valid.
                   1231: #    other         - An error message indicating what's wrong.
                   1232: #
                   1233: sub is_code_valid {
                   1234:     my ($code_value, $code_option) = @_;
1.383     foxr     1235:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.668   ! raeburn  1236:     my @lines = &Apache::lonnet::get_scantronformat_file();
1.542     raeburn  1237:     foreach my $line (@lines) {
1.383     foxr     1238: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                   1239: 	if($name eq $code_option) {
                   1240: 	    $code_length = $length;
                   1241: 	    if($type eq 'number') {
                   1242: 		$code_type = 'number';
                   1243: 	    }
                   1244: 	}
                   1245:     }
                   1246:     my $valid;
                   1247:     if ($code_type eq 'number') {
1.385     foxr     1248: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr     1249:     } else {
1.385     foxr     1250: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr     1251:     }
1.382     foxr     1252: 
                   1253: }
1.618     foxr     1254: #
                   1255: # Compare two students by section (Used to sort by section).
                   1256: #
                   1257: #  Implicit inputs, 
                   1258: #    $a - The first one
                   1259: #    $b - The second one.
                   1260: #
                   1261: #  Returns:
                   1262: #     a-section cmp b-section
                   1263: #
                   1264: sub compare_sections {
                   1265:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1266:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1267: 
                   1268:     return $s1 cmp $s2;
                   1269: }
1.382     foxr     1270: 
1.341     foxr     1271: #   Compare two students by name.  The students are in the form
                   1272: #   returned by the helper:
                   1273: #      user:domain:section:last,   first:status
                   1274: #   This is a helper function for the perl sort built-in  therefore:
                   1275: # Implicit Inputs:
                   1276: #    $a     - The first element to compare (global)
                   1277: #    $b     - The second element to compare (global)
                   1278: # Returns:
                   1279: #   -1   - $a < $b
                   1280: #    0   - $a == $b
                   1281: #   +1   - $a > $b
                   1282: #   Note that the initial comparison is done on the last names with the
                   1283: #   first names only used to break the tie.
                   1284: #
                   1285: #
                   1286: sub compare_names {
                   1287:     #  First split the names up into the primary fields.
                   1288: 
                   1289:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1290:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1291: 
                   1292:     # Now split the last name and first name of each n:
                   1293:     #
                   1294: 
                   1295:     my ($l1,$f1) = split(/,/, $n1);
                   1296:     my ($l2,$f2) = split(/,/, $n2);
                   1297: 
                   1298:     # We don't bother to remove the leading/trailing whitespace from the
                   1299:     # firstname, unless the last names compare identical.
                   1300: 
                   1301:     if($l1 lt $l2) {
                   1302: 	return -1;
                   1303:     }
                   1304:     if($l1 gt $l2) {
                   1305: 	return  1;
                   1306:     }
                   1307: 
                   1308:     # Break the tie on the first name, but there are leading (possibly trailing
                   1309:     # whitespaces to get rid of first 
                   1310:     #
                   1311:     $f1 =~ s/^\s+//;		# Remove leading...
                   1312:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                   1313:     
                   1314:     $f2 =~ s/^\s+//;
                   1315:     $f2 =~ s/\s+$//;		# And the same for first 2...
                   1316: 
                   1317:     if($f1 lt $f2) {
                   1318: 	return -1;
                   1319:     }
                   1320:     if($f1 gt $f2) {
                   1321: 	return 1;
                   1322:     }
                   1323:     
                   1324:     #  Must be the same name.
                   1325: 
                   1326:     return 0;
                   1327: }
                   1328: 
1.71      sakharuk 1329: sub latex_header_footer_remove {
                   1330:     my $text = shift;
1.649     raeburn  1331:     $text =~ s/\\end\{document}//;
                   1332:     $text =~ s/\\documentclass([^&]*)\\begin\{document}//;
1.71      sakharuk 1333:     return $text;
                   1334: }
1.423     foxr     1335: #
                   1336: #  If necessary, encapsulate text inside 
                   1337: #  a minipage env.
                   1338: #  necessity is determined by the problem_split param.
                   1339: #
                   1340: sub encapsulate_minipage {
                   1341:     my ($text) = @_;
1.427     albertel 1342:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr     1343: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                   1344:     }
                   1345:     return $text;
                   1346: }
1.429     foxr     1347: #
                   1348: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                   1349: #  variables interact, this sub looks at these two parameters
                   1350: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                   1351: #     all     - if SPLIT_PDFS eq 'all'.
                   1352: #     1       - if SPLIT_PDFS eq 'oneper'
                   1353: #     section - if SPLIT_PDFS eq 'sections'
                   1354: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                   1355: #
                   1356: sub adjust_number_to_print {
                   1357:     my $helper = shift;
1.71      sakharuk 1358: 
1.429     foxr     1359:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                   1360:     
                   1361:     if ($split_pdf eq 'all') {
                   1362: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                   1363:     } elsif ($split_pdf eq 'oneper') {
                   1364: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                   1365:     } elsif ($split_pdf eq 'sections') {
                   1366: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                   1367:     } elsif ($split_pdf eq 'usenumber') {
                   1368: 	#  Unmodified.
                   1369:     } else {
                   1370: 	# Error!!!!
1.536     foxr     1371: 	
                   1372: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr     1373: 
                   1374:     }
                   1375: }
1.71      sakharuk 1376: 
1.531     foxr     1377: 
1.37      sakharuk 1378: sub character_chart {
1.531     foxr     1379:     my $result = shift;
                   1380:     return  &Apache::entities::replace_entities($result);
                   1381: }
                   1382: 
                   1383: sub old_character_chart {
1.37      sakharuk 1384:     my $result = shift;	
1.116     sakharuk 1385:     $result =~ s/&\#0?0?(7|9);//g;
                   1386:     $result =~ s/&\#0?(10|13);//g;
                   1387:     $result =~ s/&\#0?32;/ /g;
                   1388:     $result =~ s/&\#0?33;/!/g;
                   1389:     $result =~ s/&(\#0?34|quot);/\"/g;
                   1390:     $result =~ s/&\#0?35;/\\\#/g;
                   1391:     $result =~ s/&\#0?36;/\\\$/g;
                   1392:     $result =~ s/&\#0?37;/\\%/g; 
                   1393:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                   1394:     $result =~ s/&\#(0?39|146);/\'/g;
                   1395:     $result =~ s/&\#0?40;/(/g;
                   1396:     $result =~ s/&\#0?41;/)/g;
                   1397:     $result =~ s/&\#0?42;/\*/g;
                   1398:     $result =~ s/&\#0?43;/\+/g;
                   1399:     $result =~ s/&\#(0?44|130);/,/g;
                   1400:     $result =~ s/&\#0?45;/-/g;
                   1401:     $result =~ s/&\#0?46;/\./g;
                   1402:     $result =~ s/&\#0?47;/\//g;
                   1403:     $result =~ s/&\#0?48;/0/g;
                   1404:     $result =~ s/&\#0?49;/1/g;
                   1405:     $result =~ s/&\#0?50;/2/g;
                   1406:     $result =~ s/&\#0?51;/3/g;
                   1407:     $result =~ s/&\#0?52;/4/g;
                   1408:     $result =~ s/&\#0?53;/5/g;
                   1409:     $result =~ s/&\#0?54;/6/g;
                   1410:     $result =~ s/&\#0?55;/7/g;
                   1411:     $result =~ s/&\#0?56;/8/g;
                   1412:     $result =~ s/&\#0?57;/9/g;
1.269     albertel 1413:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk 1414:     $result =~ s/&\#0?59;/;/g;
                   1415:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk 1416:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                   1417:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk 1418:     $result =~ s/&\#0?63;/\?/g;
                   1419:     $result =~ s/&\#0?65;/A/g;
                   1420:     $result =~ s/&\#0?66;/B/g;
                   1421:     $result =~ s/&\#0?67;/C/g;
                   1422:     $result =~ s/&\#0?68;/D/g;
                   1423:     $result =~ s/&\#0?69;/E/g;
                   1424:     $result =~ s/&\#0?70;/F/g;
                   1425:     $result =~ s/&\#0?71;/G/g;
                   1426:     $result =~ s/&\#0?72;/H/g;
                   1427:     $result =~ s/&\#0?73;/I/g;
                   1428:     $result =~ s/&\#0?74;/J/g;
                   1429:     $result =~ s/&\#0?75;/K/g;
                   1430:     $result =~ s/&\#0?76;/L/g;
                   1431:     $result =~ s/&\#0?77;/M/g;
                   1432:     $result =~ s/&\#0?78;/N/g;
                   1433:     $result =~ s/&\#0?79;/O/g;
                   1434:     $result =~ s/&\#0?80;/P/g;
                   1435:     $result =~ s/&\#0?81;/Q/g;
                   1436:     $result =~ s/&\#0?82;/R/g;
                   1437:     $result =~ s/&\#0?83;/S/g;
                   1438:     $result =~ s/&\#0?84;/T/g;
                   1439:     $result =~ s/&\#0?85;/U/g;
                   1440:     $result =~ s/&\#0?86;/V/g;
                   1441:     $result =~ s/&\#0?87;/W/g;
                   1442:     $result =~ s/&\#0?88;/X/g;
                   1443:     $result =~ s/&\#0?89;/Y/g;
                   1444:     $result =~ s/&\#0?90;/Z/g;
                   1445:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk 1446:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk 1447:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk 1448:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk 1449:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                   1450:     $result =~ s/&\#(0?96|145);/\`/g;
                   1451:     $result =~ s/&\#0?97;/a/g;
                   1452:     $result =~ s/&\#0?98;/b/g;
                   1453:     $result =~ s/&\#0?99;/c/g;
                   1454:     $result =~ s/&\#100;/d/g;
                   1455:     $result =~ s/&\#101;/e/g;
                   1456:     $result =~ s/&\#102;/f/g;
                   1457:     $result =~ s/&\#103;/g/g;
                   1458:     $result =~ s/&\#104;/h/g;
                   1459:     $result =~ s/&\#105;/i/g;
                   1460:     $result =~ s/&\#106;/j/g;
                   1461:     $result =~ s/&\#107;/k/g;
                   1462:     $result =~ s/&\#108;/l/g;
                   1463:     $result =~ s/&\#109;/m/g;
                   1464:     $result =~ s/&\#110;/n/g;
                   1465:     $result =~ s/&\#111;/o/g;
                   1466:     $result =~ s/&\#112;/p/g;
                   1467:     $result =~ s/&\#113;/q/g;
                   1468:     $result =~ s/&\#114;/r/g;
                   1469:     $result =~ s/&\#115;/s/g;
                   1470:     $result =~ s/&\#116;/t/g;
                   1471:     $result =~ s/&\#117;/u/g;
                   1472:     $result =~ s/&\#118;/v/g;
                   1473:     $result =~ s/&\#119;/w/g;
                   1474:     $result =~ s/&\#120;/x/g;
                   1475:     $result =~ s/&\#121;/y/g;
                   1476:     $result =~ s/&\#122;/z/g;
                   1477:     $result =~ s/&\#123;/\\{/g;
                   1478:     $result =~ s/&\#124;/\|/g;
                   1479:     $result =~ s/&\#125;/\\}/g;
                   1480:     $result =~ s/&\#126;/\~/g;
                   1481:     $result =~ s/&\#131;/\\textflorin /g;
                   1482:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk 1483:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                   1484:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                   1485:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk 1486:     $result =~ s/&\#137;/\\textperthousand /g;
                   1487:     $result =~ s/&\#140;/{\\OE}/g;
                   1488:     $result =~ s/&\#147;/\`\`/g;
                   1489:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk 1490:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel 1491:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk 1492:     $result =~ s/&\#151;/---/g;
1.281     sakharuk 1493:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk 1494:     $result =~ s/&\#153;/\\texttrademark /g;
                   1495:     $result =~ s/&\#156;/\\oe/g;
                   1496:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel 1497:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk 1498:     $result =~ s/&(\#161|iexcl);/!\`/g;
                   1499:     $result =~ s/&(\#162|cent);/\\textcent /g;
                   1500:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                   1501:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                   1502:     $result =~ s/&(\#165|yen);/\\textyen /g;
                   1503:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                   1504:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr     1505:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk 1506:     $result =~ s/&(\#169|copy);/\\copyright /g;
                   1507:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk 1508:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk 1509:     $result =~ s/&(\#173|shy);/ - /g;
                   1510:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk 1511:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                   1512:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                   1513:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                   1514:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                   1515:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr     1516:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk 1517:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk 1518:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk 1519:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk 1520:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk 1521:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk 1522:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                   1523:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                   1524:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                   1525:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                   1526:     $result =~ s/&(\#191|iquest);/?\`/g;   
                   1527:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                   1528:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                   1529:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                   1530:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                   1531:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                   1532:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                   1533:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                   1534:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                   1535:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                   1536:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                   1537:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                   1538:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                   1539:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                   1540:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                   1541:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                   1542:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                   1543:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                   1544:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                   1545:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                   1546:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                   1547:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                   1548:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk 1549:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk 1550:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                   1551:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                   1552:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                   1553:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                   1554:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                   1555:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk 1556:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk 1557:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                   1558:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                   1559:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                   1560:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                   1561:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                   1562:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                   1563:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1564:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1565:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1566:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1567:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1568:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1569:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1570:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1571:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1572:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1573:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1574:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1575:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1576:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1577:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1578:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1579:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1580:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1581:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1582:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1583:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1584:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1585:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1586:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1587:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1588:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1589:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1590: #Greek Alphabet
1.281     sakharuk 1591:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1592:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1593:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1594:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1595:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1596:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1597:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1598:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1599:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1600:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1601:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1602:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1603:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1604:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1605:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1606:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1607:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1608:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1609:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1610:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1611:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1612:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1613:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1614:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1615:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1616:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1617:     $result =~ s/&(Alpha|\#913);/A/g;
                   1618:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1619:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1620:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1621:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1622:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1623:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1624:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1625:     $result =~ s/&(Iota|\#921);/I/g;
                   1626:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1627:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1628:     $result =~ s/&(Mu|\#924);/M/g;
                   1629:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1630:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1631:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1632:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1633:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1634:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1635:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1636:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1637:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1638:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1639:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1640:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1641: #Arrows (extended HTML 4.01)
1.281     sakharuk 1642:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1643:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1644:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1645:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1646:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1647:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1648:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1649:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1650:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1651:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1652: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1653:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1654:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1655:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1656:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1657:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1658:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1659:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1660:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1661:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1662:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1663:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1664:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1665:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1666:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1667:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1668:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1669:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1670:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1671:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1672:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1673:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1674:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1675:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1676:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1677:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1678:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1679:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1680:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1681:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1682:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1683:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1684:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1685:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1686:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1687:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1688:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1689:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1690:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1691: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1692:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1693: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1694:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1695:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1696:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1697:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1698: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1699: 
1.495     foxr     1700:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1701:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1702:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1703:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1704:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1705:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1706:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1707:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1708:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1709:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1710:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1711:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1712:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1713: 
                   1714:     # Left/right quotations:
                   1715: 
                   1716:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1717:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1718: 
                   1719: 
1.559     foxr     1720: 
1.37      sakharuk 1721:     return $result;
                   1722: }
1.41      sakharuk 1723: 
                   1724: 
1.327     albertel 1725:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1726: my %page_formats=
                   1727:     ('letter' => {
                   1728: 	 'book' => {
1.493     foxr     1729: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1730: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1731: 	 },
                   1732: 	 'album' => {
1.496     foxr     1733: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1734: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1735: 	 },
                   1736:      },
                   1737:      'legal' => {
                   1738: 	 'book' => {
                   1739: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1740: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1741: 	 },
                   1742: 	 'album' => {
1.376     albertel 1743: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1744:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1745:           },
                   1746:      },
                   1747:      'tabloid' => {
                   1748: 	 'book' => {
                   1749: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1750: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1751: 	 },
                   1752: 	 'album' => {
1.376     albertel 1753: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1754: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1755:           },
                   1756:      },
                   1757:      'executive' => {
                   1758: 	 'book' => {
                   1759: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1760: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1761: 	 },
                   1762: 	 'album' => {
                   1763: 	     '1' => [],
                   1764: 	     '2' => []
                   1765:           },
                   1766:      },
                   1767:      'a2' => {
                   1768: 	 'book' => {
                   1769: 	     '1' => [],
                   1770: 	     '2' => []
                   1771: 	 },
                   1772: 	 'album' => {
                   1773: 	     '1' => [],
                   1774: 	     '2' => []
                   1775:           },
                   1776:      },
                   1777:      'a3' => {
                   1778: 	 'book' => {
                   1779: 	     '1' => [],
                   1780: 	     '2' => []
                   1781: 	 },
                   1782: 	 'album' => {
                   1783: 	     '1' => [],
                   1784: 	     '2' => []
                   1785:           },
                   1786:      },
                   1787:      'a4' => {
                   1788: 	 'book' => {
1.493     foxr     1789: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1790: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1791: 	 },
                   1792: 	 'album' => {
1.496     foxr     1793: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1794: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1795: 	 },
                   1796:      },
                   1797:      'a5' => {
                   1798: 	 'book' => {
                   1799: 	     '1' => [],
                   1800: 	     '2' => []
                   1801: 	 },
                   1802: 	 'album' => {
                   1803: 	     '1' => [],
                   1804: 	     '2' => []
                   1805:           },
                   1806:      },
                   1807:      'a6' => {
                   1808: 	 'book' => {
                   1809: 	     '1' => [],
                   1810: 	     '2' => []
                   1811: 	 },
                   1812: 	 'album' => {
                   1813: 	     '1' => [],
                   1814: 	     '2' => []
                   1815:           },
                   1816:      },
                   1817:      );
                   1818: 
1.177     sakharuk 1819: sub page_format {
1.140     sakharuk 1820: #
1.326     sakharuk 1821: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1822: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1823: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1824: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1825: #                        "A6 [105x148 mm]"
1.140     sakharuk 1826: # 
                   1827:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1828:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1829: }
1.76      sakharuk 1830: 
                   1831: 
1.126     albertel 1832: sub get_name {
                   1833:     my ($uname,$udom)=@_;
1.373     albertel 1834:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1835:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1836:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1837:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1838:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1839:     return $plainname;
1.126     albertel 1840: }
                   1841: 
1.213     albertel 1842: sub get_course {
                   1843:     my $courseidinfo;
1.373     albertel 1844:     if (defined($env{'request.course.id'})) {
1.439     www      1845: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1846: 	my $sec = $env{'request.course.sec'};
                   1847: 	    
1.213     albertel 1848:     }
                   1849:     return $courseidinfo;
                   1850: }
1.177     sakharuk 1851: 
1.76      sakharuk 1852: sub page_format_transformation {
1.312     sakharuk 1853:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1854:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1855: 
1.312     sakharuk 1856:     if ($selectionmade eq '4') {
1.502     foxr     1857: 	if ($choice eq 'all_problems') {
1.561     bisitz   1858:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1859: 	} else {
1.561     bisitz   1860:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1861: 	}
1.312     sakharuk 1862:     } else {
                   1863: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1864:     }
1.261     sakharuk 1865:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1866: 
                   1867: 
1.126     albertel 1868:     my $name = &get_name();
1.213     albertel 1869:     my $courseidinfo = &get_course();
1.455     albertel 1870:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1871:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1872: 					   $courseidinfo, $name);
1.319     sakharuk 1873:     my $topmargintoinsert = '';
                   1874:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1875:     my $fancypagestatement='';
                   1876:     if ($numberofcolumns eq '2') {
1.455     albertel 1877: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1878:     } else {
1.455     albertel 1879: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1880:     }
1.140     sakharuk 1881:     if ($layout eq 'album') {
1.649     raeburn  1882: 	    $text =~ s/\\begin\{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1883:     } elsif ($layout eq 'book') {
                   1884: 	if ($choice ne 'All class print') { 
1.649     raeburn  1885: 	    $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 1886: 	} else {
1.649     raeburn  1887: 	    $text =~ s/\\pagestyle\{fancy}\\rhead\{}\\chead\{}\s*\\begin\{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1888: 	}
1.326     sakharuk 1889: 	if ($papersize eq 'a4') {
1.575     foxr     1890: 	    my $papersize_text;
                   1891: 	    if ($perm{'pav'}) {
                   1892: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1893: 	    } else {
                   1894: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1895: 	    }
1.649     raeburn  1896: 	    $text =~ s/(\\begin\{document})/$1$papersize_text/;
1.140     sakharuk 1897: 	}
                   1898:     }
1.214     sakharuk 1899:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1900:     if ($indexlist eq 'yes') {
1.649     raeburn  1901: 	$text=~s/(\\begin\{document})/\\makeindex $1/;
                   1902: 	$text=~s/(\\end\{document})/\\strut\\\\\\strut\\printindex $1/;
1.214     sakharuk 1903:     }
1.140     sakharuk 1904:     return $text;
                   1905: }
                   1906: 
                   1907: 
1.33      sakharuk 1908: sub page_cleanup {
                   1909:     my $result = shift;	
1.65      sakharuk 1910:  
1.649     raeburn  1911:     $result =~ m/\\end\{document}(\d*)$/;
1.34      sakharuk 1912:     my $number_of_columns = $1;
1.33      sakharuk 1913:     my $insert = '{';
1.34      sakharuk 1914:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1915:     $insert .= '}';
1.649     raeburn  1916:     $result =~ s/(\\begin\{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1917:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1918:     return $result,$number_of_columns;
1.7       sakharuk 1919: }
1.5       sakharuk 1920: 
1.3       sakharuk 1921: 
1.60      sakharuk 1922: sub details_for_menu {
1.335     albertel 1923:     my ($helper)=@_;
1.373     albertel 1924:     my $postdata=$env{'form.postdata'};
1.335     albertel 1925:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1926:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1927:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1928:     return if ( $symbolic eq '');
                   1929: 
1.233     www      1930:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1931:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1932:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1933:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1934: 	$map =~ m|([^/]+)$|;
                   1935: 	$name_of_sequence = $1;
1.63      albertel 1936:     }
1.373     albertel 1937:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1938:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1939: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1940: 	$name_of_map = $1;
                   1941:     }
1.335     albertel 1942:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1943: }
                   1944: 
1.476     albertel 1945: sub copyright_line {
                   1946:     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 } ';
                   1947: }
                   1948: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1949: 
                   1950: sub latex_corrections {
1.408     albertel 1951:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.649     raeburn  1952: #    $result =~ s/\\includegraphics\{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1953:     my $copyright = &copyright_line();
1.408     albertel 1954:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.649     raeburn  1955: 	$result =~ s/(\\end\{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1956:     } else {
1.649     raeburn  1957: 	$result =~ s/(\\end\{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1958:     }
1.476     albertel 1959:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.662     raeburn  1960:     $result =~ s/(\\end\{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]\{\\hrulefill})/$2$1/g;
1.649     raeburn  1961:     $result =~ s/(\\end\{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1962: #-- LaTeX corrections     
                   1963:     my $first_comment = index($result,'<!--',0);
                   1964:     while ($first_comment != -1) {
                   1965: 	my $end_comment = index($result,'-->',$first_comment);
                   1966: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1967: 	$first_comment = index($result,'<!--',$first_comment);
                   1968:     }
                   1969:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1970:     #removes more than one empty space
                   1971:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1972:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1973:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1974:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1975:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1976:     #conversion of html characters to LaTeX equivalents
                   1977:     if ($result =~ m/&(\w+|#\d+);/) {
                   1978: 	$result = &character_chart($result);
                   1979:     }
1.650     raeburn  1980:     $result =~ s/(\\end\{tabular})\s*\\vskip 0 mm/$1/g;
                   1981:     $result =~ s/(\\begin\{enumerate})\s*\\noindent/$1/g;
1.76      sakharuk 1982:     return $result;
1.60      sakharuk 1983: }
                   1984: 
1.3       sakharuk 1985: 
1.214     sakharuk 1986: sub index_table {
                   1987:     my $currentURL = shift;
                   1988:     my $insex_string='';
                   1989:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1990:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1991:     return $insex_string;
                   1992: }
                   1993: 
                   1994: 
1.215     sakharuk 1995: sub IndexCreation {
                   1996:     my ($texversion,$currentURL)=@_;
                   1997:     my @key_words=split(/,/,&index_table($currentURL));
                   1998:     my $chunk='';
                   1999:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   2000:     if ($st>0) {
                   2001: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   2002: 	$chunk=substr($texversion,0,$st+1);
                   2003: 	substr($texversion,0,$st+1)=' ';
                   2004:     }
                   2005:     foreach my $key_word (@key_words) {
                   2006: 	if ($key_word=~/\S+/) {
                   2007: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   2008: 	}
                   2009:     }			
                   2010:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   2011:     return $texversion;
                   2012: }
                   2013: 
1.242     sakharuk 2014: sub print_latex_header {
                   2015:     my $mode=shift;
1.550     foxr     2016: 
                   2017:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 2018: }
                   2019: 
                   2020: sub path_to_problem {
1.328     albertel 2021:     my ($urlp,$colwidth)=@_;
1.404     albertel 2022:     $urlp=&Apache::lonnet::clutter($urlp);
                   2023: 
1.242     sakharuk 2024:     my $newurlp = '';
1.328     albertel 2025:     $colwidth=~s/\s*mm\s*$//;
                   2026: #characters average about 2 mm in width
1.360     albertel 2027:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 2028: 	my @elements = split('/',$urlp);
1.328     albertel 2029: 	my $curlength=0;
                   2030: 	foreach my $element (@elements) {
1.404     albertel 2031: 	    if ($element eq '') { next; }
1.328     albertel 2032: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 2033: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   2034: 		$curlength=length($element)*2;
1.328     albertel 2035: 	    } else {
                   2036: 		$curlength+=length($element)*2;
1.242     sakharuk 2037: 	    }
1.328     albertel 2038: 	    $newurlp.='/'.$element;
1.242     sakharuk 2039: 	}
1.253     sakharuk 2040:     } else {
                   2041: 	$newurlp=$urlp;
1.242     sakharuk 2042:     }
                   2043:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   2044: }
1.215     sakharuk 2045: 
1.275     sakharuk 2046: sub recalcto_mm {
                   2047:     my $textwidth=shift;
                   2048:     my $LaTeXwidth;
1.339     albertel 2049:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 2050: 	$LaTeXwidth = $1*10;
1.339     albertel 2051:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 2052: 	$LaTeXwidth = $1;
1.339     albertel 2053:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 2054: 	$LaTeXwidth = $1*25.4;
                   2055:     }
                   2056:     $LaTeXwidth.=' mm';
                   2057:     return $LaTeXwidth;
                   2058: }
                   2059: 
1.285     albertel 2060: sub get_textwidth {
                   2061:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 2062:     my $textwidth=$LaTeXwidth;
1.285     albertel 2063:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   2064: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 2065: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   2066: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 2067:     }
1.286     albertel 2068:     return $textwidth;
1.285     albertel 2069: }
                   2070: 
1.296     sakharuk 2071: 
                   2072: sub unsupported {
1.414     albertel 2073:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 2074:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 2075:     my $result.= &print_latex_header($mode);
1.414     albertel 2076:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   2077: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
1.623     raeburn  2078:         $currentURL=~s|^http://https://|https://|;
1.414     albertel 2079: 	my $title=&Apache::lonnet::gettitle($symb);
                   2080: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   2081: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 2082:     } else {
                   2083: 	$result.=$currentURL;
                   2084:     }
1.419     albertel 2085:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 2086:     return $result;
                   2087: }
                   2088: 
1.559     foxr     2089: #
                   2090: #  Map from helper layout style to the book/album:
                   2091: #
                   2092: sub map_laystyle {
                   2093:     my ($laystyle) = @_;
                   2094:     if ($laystyle eq 'L') {
                   2095: 	$laystyle='album';
                   2096:     } else {
                   2097: 	$laystyle='book';
                   2098:     }
                   2099:     return $laystyle;
                   2100: }
                   2101: 
                   2102: sub print_page_in_course {
                   2103:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
1.602     www      2104: 
1.559     foxr     2105:     my %parmhash       = %$rparmhash;
                   2106:     my @page_resources = @$resources;
                   2107:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   2108:     my $symb = $helper->{'VARS'}->{'symb'};
                   2109: 
                   2110: 
                   2111:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2112: 
                   2113: 
                   2114:     my @temporary_array=split /\|/,$format_from_helper;
                   2115:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   2116:     $laystyle = &map_laystyle($laystyle);
                   2117:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   2118: 								      $numberofcolumns);
                   2119:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   2120: 
                   2121: 
                   2122:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     2123:     my $result   =    &print_latex_header($mode);
1.559     foxr     2124:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   2125: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   2126: 	my $title=&Apache::lonnet::gettitle($symb);
                   2127: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   2128:     } else {
1.582     raeburn  2129:         my $esc_currentURL= $currentURL;
                   2130:         $esc_currentURL =~ s/_/\\_/g;
                   2131: 	$result.=$esc_currentURL;
1.559     foxr     2132:     }
                   2133:     $result .= '\\\\';
                   2134: 
                   2135:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   2136: 	&Apache::lonnet::appenv({'construct.style' =>
                   2137: 				$helper->{'VARS'}->{'style_file'}});
                   2138:     } elsif ($env{'construct.style'}) {
                   2139: 	&Apache::lonnet::delenv('construct.style');
                   2140:     }
                   2141: 
                   2142:     # First is the overall page description.  This is then followed by the 
                   2143:     # components of the page. Each of which must be printed independently.
1.564     foxr     2144:     my $the_page = shift(@page_resources); 
1.559     foxr     2145: 
                   2146: 
                   2147:     foreach my $resource (@page_resources) {
                   2148: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   2149: 	$result           .= $resource->title() . '\\\\';
                   2150: 
                   2151: 	# Recurse if a .page:
                   2152: 
                   2153: 	if ($resource_src =~ /.page$/i) {
                   2154: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   2155: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   2156: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   2157: 						       $resource_src, \@page_resources);
1.624     raeburn  2158:         } elsif ($resource->ext()) {
                   2159:             $result .= &unsupported($currentURL,$mode,$symb);
1.559     foxr     2160: 	}
                   2161: 	# these resources go through the XML transformer:
                   2162: 
1.602     www      2163: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {
                   2164: 
1.559     foxr     2165: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
1.602     www      2166: 
1.559     foxr     2167: 	    my %form;
                   2168: 	    my %moreenv;
                   2169: 
                   2170: 	    &Apache::lonxml::remember_problem_counter();
                   2171: 	    $moreenv{'request.filename'}=$urlp;
                   2172: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   2173: 
                   2174: 	    $form{'grade_target'}  = 'tex';
                   2175: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  2176: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     2177: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   2178: 	    
                   2179: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2180: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2181: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2182: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   2183: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2184: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2185: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2186: 		$form{'problem_split'}='yes';
                   2187: 	    }
                   2188: 	    my $rndseed = time;
                   2189: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   2190: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   2191: 	    }
                   2192: 	    $form{'rndseed'}=$rndseed;
                   2193: 	    &Apache::lonnet::appenv(\%moreenv);
                   2194: 	    
                   2195: 	    &Apache::lonxml::clear_problem_counter();
                   2196: 
                   2197: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   2198: 
                   2199: 
                   2200: 	    # current document with answers.. no need to encap in minipage
                   2201: 	    #  since there's only one answer.
                   2202: 
                   2203: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2204: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   2205: 		my %answerform = %form;
                   2206: 
                   2207: 
                   2208: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2209: 		$answerform{'grade_target'}='answer';
                   2210: 		$answerform{'answer_output_mode'}='tex';
                   2211: 		$answerform{'rndseed'}=$rndseed;
                   2212:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2213: 		    $answerform{'problemtype'}='exam';
                   2214: 		}
                   2215: 		$resources_printed .= $urlp.':';
                   2216: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   2217: 
                   2218: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  2219: 		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.559     foxr     2220: 		} else {
1.562     foxr     2221: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     2222: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2223: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2224: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2225: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2226: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   2227: 		    } else {
1.602     www      2228: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
1.633     raeburn  2229:                         &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
1.602     www      2230: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
1.559     foxr     2231: 		    }
                   2232: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2233: 		}
                   2234: 
                   2235: 
                   2236: 		
                   2237: 
                   2238: 	    
                   2239: 	    }
                   2240: 	    # Print annotations.
                   2241: 
                   2242: 
                   2243: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2244: 		my $annotation .= &annotate($currentURL);
1.649     raeburn  2245: 		$texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.559     foxr     2246: 	    }
                   2247: 	    
                   2248: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2249: 		$texversion=&IndexCreation($texversion,$currentURL);
                   2250: 	    }
                   2251: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2252: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2253: 
                   2254: 	    }
1.562     foxr     2255: 	    $texversion = &latex_header_footer_remove($texversion);
                   2256: 
                   2257: 	    # the first remaining line is a comment from londefdef the second
                   2258: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   2259:             # (imperfect removal from header_footer_remove?
                   2260: 
                   2261: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   2262: 
1.559     foxr     2263: 	    $result .= $texversion;
                   2264: 	    if ($currentURL=~m/\.page\s*$/) {
                   2265: 		($result,$numberofcolumns) = &page_cleanup($result);
                   2266: 	    }
                   2267: 	}
                   2268:     }
                   2269: 
                   2270:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   2271:     return $result;
                   2272: }
                   2273: 
1.296     sakharuk 2274: 
1.363     foxr     2275: #
1.395     www      2276: # List of recently generated print files
                   2277: #
                   2278: sub recently_generated {
1.584     raeburn  2279:     my ($prtspool) = @_;
                   2280:     my $output;
1.400     albertel 2281:     my $zip_result;
                   2282:     my $pdf_result;
1.395     www      2283:     opendir(DIR,$prtspool);
1.400     albertel 2284: 
                   2285:     my @files = 
                   2286: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      2287:     closedir(DIR);
1.400     albertel 2288: 
                   2289:     @files = sort {
                   2290: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   2291: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   2292: 	return $bctime <=> $actime;
                   2293:     } (@files);
                   2294: 
                   2295:     foreach my $filename (@files) {
                   2296: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   2297: 	my ($cdev,$cino,$cmode,$cnlink,
                   2298: 	    $cuid,$cgid,$crdev,$csize,
                   2299: 	    $catime,$cmtime,$cctime,
                   2300: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   2301:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   2302: 	my $result=&Apache::loncommon::start_data_table_row()
                   2303:                   .'<td>'
                   2304:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   2305:                   .'</td>'
                   2306:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   2307:                   .'<td align="right">'.$csize.'</td>'
                   2308:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 2309: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   2310: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   2311:     }
1.544     bisitz   2312:     if ($zip_result || $pdf_result) {
1.584     raeburn  2313:         $output ='<hr />';
1.544     bisitz   2314:     }
1.400     albertel 2315:     if ($zip_result) {
1.584     raeburn  2316: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   2317:                   .&Apache::loncommon::start_data_table()
                   2318:                   .&Apache::loncommon::start_data_table_header_row()
                   2319:                   .'<th>'.&mt('Download').'</th>'
                   2320:                   .'<th>'.&mt('Creation Date').'</th>'
                   2321:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2322:                   .&Apache::loncommon::end_data_table_header_row()
                   2323:                   .$zip_result
1.584     raeburn  2324:                   .&Apache::loncommon::end_data_table();
1.400     albertel 2325:     }
                   2326:     if ($pdf_result) {
1.584     raeburn  2327: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   2328:                   .&Apache::loncommon::start_data_table()
                   2329:                   .&Apache::loncommon::start_data_table_header_row()
                   2330:                   .'<th>'.&mt('Download').'</th>'
                   2331:                   .'<th>'.&mt('Creation Date').'</th>'
                   2332:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2333:                   .&Apache::loncommon::end_data_table_header_row()
                   2334:                   .$pdf_result
1.584     raeburn  2335:                   .&Apache::loncommon::end_data_table();
1.396     albertel 2336:     }
1.584     raeburn  2337:     return $output;
1.395     www      2338: }
                   2339: 
                   2340: #
1.363     foxr     2341: #   Retrieve the hash of page breaks.
                   2342: #
                   2343: #  Inputs:
                   2344: #    helper   - reference to helper object.
                   2345: #  Outputs
                   2346: #    A reference to a page break hash.
                   2347: #
                   2348: #
1.610     foxr     2349: # use Data::Dumper;
1.569     foxr     2350: # sub dump_helper_vars {
1.418     foxr     2351: #    my ($helper) = @_;
                   2352: #    my $helpervars = Dumper($helper->{'VARS'});
                   2353: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   2354: #}
1.363     foxr     2355: 
1.481     albertel 2356: sub get_page_breaks  {
                   2357:     my ($helper) = @_;
                   2358:     my %page_breaks;
                   2359: 
                   2360:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   2361: 	$page_breaks{$break} = 1;
                   2362:     }
                   2363:     return %page_breaks;
                   2364: }
1.569     foxr     2365: # 
                   2366: #   Returns text to insert for any extra vskip prior to the resource.
                   2367: #   Parameters:
                   2368: #     helper   - Reference to the helper object driving the printout.
                   2369: #     resource - Identifies the resource about to be printed.
                   2370: #
                   2371: #   This is done as follows:
                   2372: #    POSSIBLE_RESOURCES has the list of possible resources.
                   2373: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     2374: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   2375: #                       mm. All others are 'in'.
1.569     foxr     2376: #    
                   2377: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   2378: #    of the EXTRASPACE value.
                   2379: #
                   2380: #   In order to speed this up for lengthy printouts, the first time,
                   2381: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   2382: #   EXTRASPACE is turned into an array.
                   2383: #
                   2384: 
                   2385: 
                   2386: my %possible_resources;
1.570     foxr     2387: my %extraspace_mm;
1.569     foxr     2388: my @extraspace;
                   2389: my $skips_loaded       = 0;
                   2390: 
                   2391: #  Function to load the skips hash and array
                   2392: 
                   2393: sub load_skips {
                   2394: 
                   2395:     my ($helper)  = @_;
                   2396: 
                   2397:     #  If this is the first time, unrap the resources and extra spaces:
                   2398: 
                   2399:     if (!$skips_loaded) {
                   2400: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   2401: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   2402: 	my $i = 0;
                   2403: 	foreach my $resource (@resource_list) {
                   2404: 	    $possible_resources{$resource} = $i;
                   2405: 	    $i++;
                   2406: 	}
1.570     foxr     2407: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   2408: 	    $extraspace_mm{$mm_resource} = 1;
                   2409: 	}
1.569     foxr     2410: 	$skips_loaded = 1;
                   2411:     }
                   2412: }
                   2413: 
                   2414: sub get_extra_vspaces {
                   2415:     my ($helper, $resource) = @_;
                   2416: 
                   2417:     &load_skips($helper);
                   2418: 
                   2419:     #  Lookup the resource in the possible resources hash.. that is the index
                   2420:     # into the extraspace array that gives us either an empty string or
                   2421:     # the number of mm to skip:
                   2422: 
                   2423:     my $index = $possible_resources{$resource};
                   2424:     my $skip  = $extraspace[$index];
                   2425: 
                   2426:     my $result = '';
                   2427:     if ($skip ne '') {
1.570     foxr     2428: 	my $units = 'in';
                   2429: 	if (defined($extraspace_mm{$resource})) {
                   2430: 	    $units = 'mm';
                   2431: 	}
                   2432: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     2433:     }
1.570     foxr     2434: 
                   2435: 	
1.569     foxr     2436:     return $result;
                   2437: 
                   2438: 
                   2439: }
                   2440: 
                   2441: #
                   2442: #  The resource chooser part of the helper needs more than just
                   2443: #  the value of the extraspaces var to recover the value into a text
                   2444: #  field option.  This sub produces the required format for the saved var:
                   2445: #  specifically 
                   2446: #    ||| separated fields of the form resourcename=value
                   2447: #
                   2448: #  Parameters:
                   2449: #    $helper     - Refers to the helper we are configuring
                   2450: #  Implicit input:
                   2451: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   2452: #                                          value.
1.570     foxr     2453: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     2454: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   2455: #                                          separated of course.
                   2456: #  Implicit outputs:
1.570     foxr     2457: #     $env{'form.extraspace'}
                   2458: #     $env{'form.extraspace_units'}
1.569     foxr     2459: #
                   2460: sub set_form_extraspace {
                   2461:     my ($helper) = @_;
                   2462: 
                   2463:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   2464:     # may not be the fastest, but this is once per print request so it's not so
                   2465:     # speed critical:
                   2466: 
                   2467:     &load_skips($helper);
                   2468: 
                   2469:     my $result = '';
                   2470: 
                   2471:     foreach my $resource (keys(%possible_resources)) {
                   2472: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   2473: 	$result  .= $resource .'=' . $vskip . '|||';
                   2474:     }
                   2475: 
                   2476:     $env{'form.extraspace'}  = $result;
1.570     foxr     2477:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     2478:     return $result;
                   2479:     
                   2480: }
1.363     foxr     2481: 
1.459     foxr     2482: #  Output a sequence (recursively if neeed)
                   2483: #  from construction space.
                   2484: # Parameters:
                   2485: #    url     = URL of the sequence to print.
                   2486: #    helper  - Reference to the helper hash.
                   2487: #    form    - Copy of the format hash.
                   2488: #    LaTeXWidth
                   2489: # Returns:
                   2490: #   Text to add to the printout.
                   2491: #   NOTE if the first element of the outermost sequence
                   2492: #   is itself a sequence, the outermost caller may need to
                   2493: #   prefix the latex with the page headers stuff.
                   2494: #
                   2495: sub print_construction_sequence {
                   2496:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1.590     foxr     2497: 
1.459     foxr     2498:     my $result;
                   2499:     my $rndseed=time;
                   2500:     if ($helper->{'VARS'}->{'curseed'}) {
                   2501: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   2502:     }
1.606     www      2503:     my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
                   2504: 
1.459     foxr     2505:     # 
                   2506:     #  These make this all support recursing for subsequences.
                   2507:     #
1.491     albertel 2508:     my @order    = @LONCAPA::map::order;
                   2509:     my @resources = @LONCAPA::map::resources; 
1.606     www      2510: 
1.459     foxr     2511:     for (my $member=0;$member<=$#order;$member++) {
                   2512: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   2513: 	my $urlp=$2;
                   2514: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   2515: 	    my $texversion='';
                   2516: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2517: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2518: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2519: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2520: 		$form{'rndseed'}=$rndseed;
                   2521: 		$resources_printed .=$urlp.':';
1.515     foxr     2522: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     2523: 	    }
                   2524: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2525: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
1.609     www      2526: 	       ($urlp=~/$LONCAPA::assess_page_re/)) {
1.459     foxr     2527: 		#  Don't permanently modify %$form...
                   2528: 		my %answerform = %form;
                   2529: 		$answerform{'grade_target'}='answer';
                   2530: 		$answerform{'answer_output_mode'}='tex';
                   2531: 		$answerform{'rndseed'}=$rndseed;
                   2532: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 2533: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     2534: 		$resources_printed .= $urlp.':';
1.515     foxr     2535: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     2536: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  2537: 		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.459     foxr     2538: 		} else {
                   2539: 		    # If necessary, encapsulate answer in minipage:
                   2540: 		    
                   2541: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2542: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2543: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   2544: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     2545: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   2546: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   2547: 		    $body = &encapsulate_minipage($body);
                   2548: 		    $texversion.=$body;
                   2549: 		}
                   2550: 	    }
                   2551: 	    $texversion = &latex_header_footer_remove($texversion);
                   2552: 
                   2553: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2554: 		$texversion=&IndexCreation($texversion,$urlp);
                   2555: 	    }
                   2556: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2557: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2558: 	    }
                   2559: 	    $result.=$texversion;
                   2560: 
                   2561: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     2562:  
1.459     foxr     2563: 	    # header:
                   2564: 
                   2565: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   2566: 
                   2567: 	    # IF sequence, recurse:
                   2568: 	    
                   2569: 	    if ($urlp =~ /\.sequence$/) {
1.605     www      2570: 		$result .= &print_construction_sequence($urlp, 
1.459     foxr     2571: 							$helper, %form, 
                   2572: 							$LaTeXwidth);
                   2573: 	    }
1.550     foxr     2574: 	}
                   2575: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2576: 	    my $texversion;
                   2577: 	    if ($member != 0) {
                   2578: 		$texversion .= '\cleardoublepage';
                   2579: 	    }
                   2580: 
                   2581: 	    $texversion .= &include_pdf($urlp);
                   2582: 	    $texversion = &latex_header_footer_remove($texversion);
                   2583: 	    if ($member != $#order) {
                   2584: 		$texversion .= '\\ \cleardoublepage';
                   2585: 	    }
1.551     foxr     2586: 	    
                   2587: 	    $result .= $texversion;
1.550     foxr     2588: 	}
1.459     foxr     2589:     }
1.650     raeburn  2590:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin\{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
1.459     foxr     2591:     return $result;
                   2592: }
                   2593: 
1.590     foxr     2594: #
                   2595: #  Top level for generating print output.
                   2596: #
                   2597: #  May call print_resources if multiple resources will be printed.
                   2598: #
                   2599: #  The main driver is $selectionmade which reflects the type of print out
                   2600: #  requested:
                   2601: #   Value    Print type:
                   2602: #   1        Print resource that's being looked at.
                   2603: #   2        Print problems in a map or in a page.
                   2604: #   3        Print pages in a map or resources in a page.
                   2605: #   4        Print all problems  or all resources.
                   2606: #   5        Print problems for seleted students.
                   2607: #   6        Print selected problems from a folder.
                   2608: #   7        Print print selected resources from some scope.
                   2609: #   8        Print resources for selected students.
                   2610: #
                   2611: #BZ 5209
                   2612: #   2        map_incomplete_problems_seq Print incomplete problems from the current
                   2613: #            folder in student context.
1.591     foxr     2614: #   5      map_incomplete_problems_people_seq Print incomplete problems from the
1.590     foxr     2615: #            current folder in privileged context.
1.591     foxr     2616: #    5      incomplete_problems_selpeople_course Print incomplete problems for
1.590     foxr     2617: #            selected people from the entire course.
                   2618: #
                   2619: #   Item 101 has much the same processing as 8,
                   2620: #
                   2621: #  Differences:  Item 101, 102 require per-student filtering of the resource
                   2622: #  set so that only the incomplete resources are printed.
                   2623: #  For item 100, filtering was done at the helper level.
                   2624: 
1.177     sakharuk 2625: sub output_data {
1.621     foxr     2626: 
1.184     sakharuk 2627:     my ($r,$helper,$rparmhash) = @_;
                   2628:     my %parmhash = %$rparmhash;
1.515     foxr     2629:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2630:     $resources_printed = '';
1.556     foxr     2631:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.590     foxr     2632:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
1.499     foxr     2633:     my $do_postprocessing = 1;
1.433     albertel 2634:     my $js = <<ENDPART;
                   2635: <script type="text/javascript">
1.264     sakharuk 2636:     var editbrowser;
                   2637:     function openbrowser(formname,elementname,only,omit) {
                   2638:         var url = '/res/?';
                   2639:         if (editbrowser == null) {
                   2640:             url += 'launch=1&';
                   2641:         }
                   2642:         url += 'catalogmode=interactive&';
                   2643:         url += 'mode=parmset&';
                   2644:         url += 'form=' + formname + '&';
                   2645:         if (only != null) {
                   2646:             url += 'only=' + only + '&';
                   2647:         } 
                   2648:         if (omit != null) {
                   2649:             url += 'omit=' + omit + '&';
                   2650:         }
                   2651:         url += 'element=' + elementname + '';
                   2652:         var title = 'Browser';
                   2653:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2654:         options += ',width=700,height=600';
                   2655:         editbrowser = open(url,title,options,'1');
                   2656:         editbrowser.focus();
                   2657:     }
                   2658: </script>
1.140     sakharuk 2659: ENDPART
                   2660: 
1.512     foxr     2661: 
1.558     bisitz   2662:     # Breadcrumbs
                   2663:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2664:     my $brcrum = [{'href' => '',
                   2665:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2666:                   {'href' => '',
                   2667:                    'text' => 'Preparing Printout'}];
                   2668: 
                   2669:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2670:                                                      $js,
                   2671:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2672:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2673: 
1.433     albertel 2674:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2675: 
1.363     foxr     2676:     # fetch the pagebreaks and store them in the course environment
                   2677:     # The page breaks will be pulled into the hash %page_breaks which is
                   2678:     # indexed by symb and contains 1's for each break.
                   2679: 
1.373     albertel 2680:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2681:     &set_form_extraspace($helper);
1.590     foxr     2682:     $env{'form.lastprinttype'} = $print_type; 
1.363     foxr     2683:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2684: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2685: 					       'extraspace'    => 'scalar',
1.570     foxr     2686: 					       'extraspace_units' => 'scalar',
1.366     foxr     2687: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2688:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2689: 
1.140     sakharuk 2690:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2691:     my ($result,$selectionmade) = ('','');
                   2692:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2693:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2694:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2695: 
                   2696:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2697:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2698:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2699:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2700:     my @print_array=();
1.274     sakharuk 2701:     my @student_names=();
1.360     albertel 2702: 
1.512     foxr     2703:      
1.360     albertel 2704:     #  Common settings for the %form has:
                   2705:     # In some cases these settings get overriddent by specific cases, but the
                   2706:     # settings are common enough to make it worthwhile factoring them out
                   2707:     # here.
                   2708:     #
                   2709:     my %form;
                   2710:     $form{'grade_target'} = 'tex';
                   2711:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2712:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2713: 
                   2714:     # If form.showallfoils is set, then request all foils be shown:
                   2715:     # privilege will be enforced both by not allowing the 
                   2716:     # check box selecting this option to be presnt unless it's ok,
                   2717:     # and by lonresponse's priv. check.
                   2718:     # The if is here because lonresponse.pm only cares that
                   2719:     # showallfoils is defined, not what the value is.
                   2720: 
                   2721:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2722: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2723:     }
1.504     albertel 2724:     
                   2725:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2726: 	&Apache::lonnet::appenv({'construct.style' =>
                   2727: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2728:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2729: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2730:     }
                   2731: 
1.590     foxr     2732:     if ($print_type eq 'current_document') {
1.143     sakharuk 2733:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2734: 	my ($currentURL,$cleanURL);
1.375     foxr     2735: 
1.162     sakharuk 2736: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2737:             #prints published resource
1.153     sakharuk 2738: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2739: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2740: 	} else {
1.512     foxr     2741: 
1.185     sakharuk 2742:             #prints resource from the construction space
1.602     www      2743: 	    $currentURL=$helper->{'VARS'}->{'filename'};
1.343     albertel 2744: 	    $cleanURL=$currentURL;
1.143     sakharuk 2745: 	}
1.140     sakharuk 2746: 	$selectionmade = 1;
1.651     raeburn  2747: 
1.413     albertel 2748: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2749: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2750: 	    my $rndseed=time;
1.242     sakharuk 2751: 	    my $texversion='';
                   2752: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2753: 		my %moreenv;
1.343     albertel 2754: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2755:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2756: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2757: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2758: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2759: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2760: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2761: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2762: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2763: 		    $form{'problem_split'}='yes';
                   2764: 		}
1.242     sakharuk 2765: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2766: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2767: 		}
                   2768: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2769: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2770: 
                   2771: 		&Apache::lonxml::clear_problem_counter();
                   2772: 
1.375     foxr     2773: 		$resources_printed .= $currentURL.':';
1.515     foxr     2774: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2775: 
1.511     foxr     2776: 		#  Add annotations if required:
                   2777: 	    
1.428     albertel 2778: 		&Apache::lonxml::clear_problem_counter();
                   2779: 
1.242     sakharuk 2780: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2781: 	    }
1.423     foxr     2782: 	    # current document with answers.. no need to encap in minipage
                   2783: 	    #  since there's only one answer.
                   2784: 
1.242     sakharuk 2785: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2786: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.602     www      2787: 
1.353     foxr     2788: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2789: 		$form{'grade_target'}='answer';
1.167     albertel 2790: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2791: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2792:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2793: 		    $form{'problemtype'}='exam';
                   2794: 		}
1.375     foxr     2795: 		$resources_printed .= $currentURL.':';
1.515     foxr     2796: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2797: 		
                   2798: 
1.242     sakharuk 2799: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  2800: 		    $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.242     sakharuk 2801: 		} else {
                   2802: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2803: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2804: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2805: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2806: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2807: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2808: 		    } else {
1.602     www      2809: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
1.633     raeburn  2810:                         &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
1.602     www      2811: 
                   2812: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2813: 		    }
1.242     sakharuk 2814: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2815: 		}
1.511     foxr     2816: 
                   2817: 
                   2818: 		
                   2819: 
1.550     foxr     2820: 	    
1.511     foxr     2821: 	    }
                   2822: 	    # Print annotations.
                   2823: 
                   2824: 
                   2825: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2826: 		my $annotation .= &annotate($currentURL);
1.649     raeburn  2827: 		$texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2828: 	    }
1.511     foxr     2829: 
                   2830: 
1.214     sakharuk 2831: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2832: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2833: 	    }
1.219     sakharuk 2834: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2835: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2836: 
                   2837: 	    }
1.162     sakharuk 2838: 	    $result .= $texversion;
                   2839: 	    if ($currentURL=~m/\.page\s*$/) {
                   2840: 		($result,$number_of_columns) = &page_cleanup($result);
                   2841: 	    }
1.413     albertel 2842:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2843: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.459     foxr     2844: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2845: 						    $LaTeXwidth);
                   2846: 	    $result .= '\end{document}';  
                   2847: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2848: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2849: 	    }
1.459     foxr     2850: 	    # End construction space sequence.
1.660     raeburn  2851: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) { 
1.258     sakharuk 2852: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2853: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.660     raeburn  2854:                 if ($currentURL=~/\/ext\.tool$/) {$currentURL=~s/^\/adm\/wrapper//;}
1.375     foxr     2855: 		$resources_printed .= $currentURL.':';
1.567     foxr     2856: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2857: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2858: 		    my $annotation = &annotate($currentURL);
1.649     raeburn  2859: 		    $texversion    =~ s/(\\end\{document})/$annotation$1/;
1.511     foxr     2860: 		}
1.258     sakharuk 2861: 		$result .= $texversion;
1.550     foxr     2862: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2863: 	    # For this sort of print of a single LaTeX file,
                   2864: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2865: 	    #
                   2866: 
                   2867: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2868: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2869: 		my $annotation = &annotate($currentURL);
1.649     raeburn  2870: 		$result =~ s/(\\end\{document})/$annotation$1/;
1.511     foxr     2871: 	    }
                   2872: 
1.499     foxr     2873: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2874: 
1.550     foxr     2875: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2876: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2877: 	    $result .= '\end{document}';
1.559     foxr     2878: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2879: 
                   2880: 	    # Determine the set of resources in the map of the page:
                   2881: 
                   2882: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2883: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2884: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2885: 							$cleanURL, \@page_resources);
                   2886: 
                   2887:        
1.162     sakharuk 2888: 	} else {
1.414     albertel 2889: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2890: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2891: 	}
1.590     foxr     2892:     } elsif (($print_type eq 'map_problems')          or
                   2893: 	     ($print_type eq 'map_problems_in_page')  or
                   2894: 	     ($print_type eq 'map_resources_in_page') or
                   2895:              ($print_type eq 'map_problems_pages')    or
                   2896:              ($print_type eq 'all_problems')          or
                   2897: 	     ($print_type eq 'all_resources')         or # BUGBUG
                   2898: 	     ($print_type eq 'select_sequences')      or
                   2899: 	     ($print_type eq 'map_incomplete_problems_seq')
1.582     raeburn  2900: 	     ) {
                   2901:  
1.141     sakharuk 2902:         #-- produce an output string
1.590     foxr     2903: 	if (($print_type eq 'map_problems')                or
                   2904: 	    ($print_type eq 'map_incomplete_problems_seq') or
                   2905: 	    ($print_type eq 'map_problems_in_page') ) {
1.296     sakharuk 2906: 	    $selectionmade = 2;
1.590     foxr     2907: 	} elsif (($print_type eq 'map_problems_pages') or
                   2908: 		 ($print_type eq 'map_resources_in_page'))
1.562     foxr     2909: 	{
1.296     sakharuk 2910: 	    $selectionmade = 3;
1.590     foxr     2911: 	} elsif (($print_type eq 'all_problems') 
1.536     foxr     2912: 		 ) {
1.296     sakharuk 2913: 	    $selectionmade = 4;
1.590     foxr     2914: 	} elsif ($print_type eq 'all_resources') {  #BUGBUG
1.354     foxr     2915: 	    $selectionmade = 4;
1.590     foxr     2916: 	} elsif ($print_type eq 'select_sequences') {
1.296     sakharuk 2917: 	    $selectionmade = 7;
                   2918: 	}
1.590     foxr     2919: 
1.193     sakharuk 2920: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2921: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2922: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2923: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2924: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2925: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2926: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2927: 	    $form{'problem_split'}='yes';
                   2928: 	}
1.141     sakharuk 2929: 	my $flag_latex_header_remove = 'NO';
                   2930: 	my $flag_page_in_sequence = 'NO';
                   2931: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2932: 	my $prevassignment='';
1.428     albertel 2933: 
                   2934: 	&Apache::lonxml::clear_problem_counter();
                   2935: 
1.141     sakharuk 2936: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2937: 
1.521     foxr     2938: 	    &Apache::lonenc::reset_enc();
                   2939: 
                   2940: 
1.350     foxr     2941: 	    # Note due to document structure, not allowed to put \newpage
                   2942: 	    # prior to the first resource
                   2943: 
1.351     foxr     2944: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2945: 		if($i != 0) {
                   2946: 		    $result.="\\newpage\n";
                   2947: 		}
                   2948: 	    }
1.569     foxr     2949: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2950: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2951: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2952: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2953: 
                   2954: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2955: 
1.267     sakharuk 2956: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2957: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2958: 	    my $texversion='';
1.413     albertel 2959: 	    if ($urlp!~m|^/adm/|
                   2960: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.651     raeburn  2961:                 my $extension = $1;
1.375     foxr     2962: 		$resources_printed .= $urlp.':';
1.428     albertel 2963: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2964: 		if ($flag_latex_header_remove eq 'NO') {
                   2965: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2966:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
1.652     raeburn  2967:                             (($i==0) &&
1.582     raeburn  2968:                              (($urlp=~/\.page$/) ||
1.590     foxr     2969:                               ($print_type eq 'map_problems_in_page') ||
1.652     raeburn  2970:                               (($print_type eq 'map_resources_in_page') && ($extension !~ /^x?html?$/))))) {
1.582     raeburn  2971:                         $flag_latex_header_remove = 'YES';
                   2972:                     }
1.566     foxr     2973: 		}
1.515     foxr     2974: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2975: 		if ($urlp=~/\.page$/) {
                   2976: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2977: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
1.649     raeburn  2978: 		    $texversion =~ s/\\end\{document}\d*/\\end{document}/;
1.296     sakharuk 2979: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2980: 		}
1.428     albertel 2981: 
1.296     sakharuk 2982: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2983: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2984: 		    #  Don't permanently pervert the %form hash
                   2985: 		    my %answerform = %form;
                   2986: 		    $answerform{'grade_target'}='answer';
                   2987: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2988: 		    $resources_printed .= $urlp.':';
1.428     albertel 2989: 
                   2990: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2991: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2992:                     if ($urlp =~ /\.page$/) {
1.649     raeburn  2993:                         $answer =~ s/\\end\{document}(\d*)$//;
1.582     raeburn  2994:                     }
1.296     sakharuk 2995: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2996:                         if ($urlp =~ /\.page$/) {
1.649     raeburn  2997:                             my @probs = split(/\\keephidden\{ENDOFPROBLEM}/,$texversion);
1.582     raeburn  2998:                             my $lastprob = pop(@probs);
                   2999:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   3000:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   3001:                         } else {
1.649     raeburn  3002:                             $texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.582     raeburn  3003:                         }
1.249     sakharuk 3004: 		    } else {
1.609     www      3005: 			if ($urlp=~/$LONCAPA::assess_page_re/) {
1.296     sakharuk 3006: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.649     raeburn  3007: #			    $texversion =~ s/\\begin\{document}//; # FIXME
1.477     albertel 3008: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   3009: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3010: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     3011: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   3012: 			    $body   .='\vskip 1 mm '.$answer;
                   3013: 			    $body    = &encapsulate_minipage($body);
                   3014: 			    $texversion .= $body;
1.296     sakharuk 3015: 			} else {
                   3016: 			    $texversion='';
                   3017: 			}
1.249     sakharuk 3018: 		    }
1.511     foxr     3019: 
1.246     sakharuk 3020: 		}
1.511     foxr     3021: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3022: 		    my $annotation .= &annotate($urlp);
1.649     raeburn  3023: 		    $texversion =~ s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.511     foxr     3024: 		}
                   3025: 
1.296     sakharuk 3026: 		if ($flag_latex_header_remove ne 'NO') {
                   3027: 		    $texversion = &latex_header_footer_remove($texversion);
                   3028: 		} else {
1.649     raeburn  3029: 		    $texversion =~ s/\\end\{document}//;
1.296     sakharuk 3030: 		}
                   3031: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3032: 		    $texversion=&IndexCreation($texversion,$urlp);
                   3033: 		}
                   3034: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   3035: 		    my $name = &get_name();
                   3036: 		    my $courseidinfo = &get_course();
                   3037: 		    $prevassignment=$assignment;
1.455     albertel 3038: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     3039: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 3040: 							  $assignment, 
                   3041: 							  $courseidinfo, 
                   3042: 							  $name);
1.417     foxr     3043: 		    if ($numberofcolumns eq '1') {
1.455     albertel 3044: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3045: 		    } else {
1.455     albertel 3046: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3047: 		    }			
1.296     sakharuk 3048: 		}
                   3049: 		$result .= $texversion;
                   3050: 		$flag_latex_header_remove = 'YES';   
1.660     raeburn  3051: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) { 
1.301     sakharuk 3052: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3053: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.660     raeburn  3054:                 if ($urlp=~/\/ext\.tool$/) {$urlp=~s/^\/adm\/wrapper//;}
1.375     foxr     3055: 		$resources_printed .= $urlp.':';
1.567     foxr     3056: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     3057: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3058: 		    my $annotation = &annotate($urlp);
1.649     raeburn  3059: 		    $texversion =~ s/(\\end\{document)/$annotation$1/;
1.511     foxr     3060: 		}
                   3061: 
1.301     sakharuk 3062: 		if ($flag_latex_header_remove ne 'NO') {
                   3063: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     3064: 		} else {	
1.649     raeburn  3065: 		    $texversion =~ s/\\end\{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
1.301     sakharuk 3066: 		}
                   3067: 		$result .= $texversion;
                   3068: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     3069: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   3070: 		if ($i > 0) {
                   3071: 		    $result .= '\cleardoublepage';
                   3072: 		}
1.580     raeburn  3073:                 my $texfrompdf = &include_pdf($urlp);
                   3074:                 if ($flag_latex_header_remove ne 'NO') {
                   3075:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   3076:                 }
                   3077:                 $result .= $texfrompdf;
1.550     foxr     3078: 		if ($i != $#master_seq) {
                   3079: 		    if ($numberofcolumns eq '1') {
                   3080: 			$result .= '\newpage';
                   3081: 		    } else {
                   3082: 			# the \\'s seem to be needed to let LaTeX know there's something
                   3083: 			# on the page since LaTeX seems to not like to clear an empty page.
                   3084: 			#
                   3085: 			$result .= '\\ \cleardoublepage';
                   3086: 		    }
                   3087: 		}
                   3088: 		$flag_latex_header_remove = 'YES';
                   3089: 
1.141     sakharuk 3090: 	    } else {
1.414     albertel 3091: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   3092: 					 $master_seq[$i]);
1.297     sakharuk 3093: 		if ($flag_latex_header_remove ne 'NO') {
                   3094: 		    $texversion = &latex_header_footer_remove($texversion);
                   3095: 		} else {
1.649     raeburn  3096: 		    $texversion =~ s/\\end\{document}//;
1.297     sakharuk 3097: 		}
                   3098: 		$result .= $texversion;
                   3099: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  3100: 	    }
1.550     foxr     3101: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   3102: 		last; 
                   3103: 	    }
1.141     sakharuk 3104: 	}
1.428     albertel 3105: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     3106: 	if ($flag_page_in_sequence eq 'YES') {
1.649     raeburn  3107: 	    $result =~ s/\\usepackage\{calc}/\\usepackage{calc}\\usepackage{longtable}/;
1.344     foxr     3108: 	}	
1.141     sakharuk 3109: 	$result .= '\end{document}';
1.590     foxr     3110:      } elsif (($print_type eq 'problems_for_students')           ||
                   3111: 	      ($print_type eq 'problems_for_students_from_page') ||
                   3112: 	      ($print_type eq 'all_problems_students')           ||
1.591     foxr     3113: 	      ($print_type eq 'resources_for_students')          ||
                   3114: 	      ($print_type eq 'incomplete_problems_selpeople_course') ||
                   3115: 	      ($print_type eq 'map_incomplete_problems_people_seq')){
1.353     foxr     3116: 
                   3117: 
1.150     sakharuk 3118:      #-- prints assignments for whole class or for selected students  
1.284     albertel 3119: 	 my $type;
1.590     foxr     3120: 	 if (($print_type eq 'problems_for_students')           ||
                   3121: 	     ($print_type eq 'problems_for_students_from_page') ||
1.591     foxr     3122: 	     ($print_type eq 'all_problems_students')           ||
                   3123: 	     ($print_type eq 'incomplete_problems_selpeople_course') ||
                   3124: 	     ($print_type eq 'map_incomplete_problems_people_seq')) {
1.254     sakharuk 3125: 	     $selectionmade=5;
1.284     albertel 3126: 	     $type='problems';
1.590     foxr     3127: 	 } elsif ($print_type eq 'resources_for_students') {
1.254     sakharuk 3128: 	     $selectionmade=8;
1.284     albertel 3129: 	     $type='resources';
1.254     sakharuk 3130: 	 }
1.150     sakharuk 3131: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     3132: 	 #   The normal sort order is by section then by students within the
                   3133: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   3134: 	 #   to override this and output the students by name.
                   3135: 	 #    Each element of the students array is of the form:
                   3136: 	 #       username:domain:section:last, first:status
                   3137: 	 #    
1.429     foxr     3138: 	 #  Note that student sort is not compatible with printing 
                   3139: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     3140: 	 #   
1.429     foxr     3141: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   3142: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     3143: 	     @students = sort compare_names  @students;
1.618     foxr     3144: 	 } else {
                   3145: 	     @students = sort compare_sections @students; 
1.341     foxr     3146: 	 }
1.429     foxr     3147: 	 &adjust_number_to_print($helper);
                   3148: 
1.278     albertel 3149:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   3150: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   3151: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   3152: 	 }
1.429     foxr     3153: 	 # If we are splitting on section boundaries, we need 
                   3154: 	 # to remember that in split_on_sections and 
                   3155: 	 # print all of the students in the list.
                   3156: 	 #
                   3157: 	 my $split_on_sections = 0;
                   3158: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   3159: 	     $split_on_sections = 1;
                   3160: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   3161: 	 }
1.150     sakharuk 3162: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     3163: 
1.626     raeburn  3164:          my $map;
                   3165:          if ($helper->{VARS}->{'symb'}) {
                   3166:              ($map, my $id, my $resource) =
                   3167:                  &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
                   3168:          }
                   3169: 
1.150     sakharuk 3170: 	 #loop over students
1.562     foxr     3171: 
                   3172:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 3173: 	 my %moreenv;
1.330     sakharuk 3174:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 3175: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 3176: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     3177: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     3178: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     3179: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     3180: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   3181: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   3182: 	     $moreenv{'problem_split'}='yes';
                   3183: 	 }
1.611     www      3184: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
1.272     sakharuk 3185: 	 my $student_counter=-1;
1.429     foxr     3186: 	 my $i = 0;
1.430     albertel 3187: 	 my $last_section = (split(/:/,$students[0]))[2];
1.647     raeburn  3188:          my $nohidemap;
                   3189:          if ($perm{'pav'} && $perm{'vgr'}) {
                   3190:              $nohidemap = 1;
                   3191:          }
1.150     sakharuk 3192: 	 foreach my $person (@students) {
1.373     albertel 3193:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 3194: 	     if (-e $duefile) {
                   3195: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   3196: 		 print $temp_file "1969\n";
                   3197: 	     }
1.272     sakharuk 3198: 	     $student_counter++;
1.429     foxr     3199: 	     if ($split_on_sections) {
1.430     albertel 3200: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     3201: 		 if ($this_section ne $last_section) {
                   3202: 		     $i++;
                   3203: 		     $last_section = $this_section;
                   3204: 		 }
                   3205: 	     } else {
                   3206: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   3207: 	     }
1.626     raeburn  3208: 	     my $actual_seq = master_seq_to_person_seq($map, \@master_seq,
1.647     raeburn  3209:                                                        $person, undef, $nohidemap);
1.375     foxr     3210: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     3211: 						     $person,$type,
1.595     foxr     3212: 						     \%moreenv,  $actual_seq,
1.360     albertel 3213: 						     $flag_latex_header_remove,
1.422     albertel 3214: 						     $LaTeXwidth);
1.375     foxr     3215: 	     $resources_printed .= ":";
1.284     albertel 3216: 	     $print_array[$i].=$output;
                   3217: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   3218: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   3219: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 3220: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 3221: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3222: 	 }
                   3223: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3224: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3225:      } elsif (($print_type eq 'problems_for_anon')      ||
                   3226: 	      ($print_type eq 'problems_for_anon_page') ||
1.665     raeburn  3227: 	      ($print_type eq 'resources_for_anon')  ) {
1.373     albertel 3228: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   3229: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 3230: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   3231: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 3232: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     3233: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     3234: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
1.381     albertel 3235: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.668   ! raeburn  3236:          my @lines = &Apache::lonnet::get_scantronformat_file();
1.596     raeburn  3237: 	 my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
1.542     raeburn  3238: 	 foreach my $line (@lines) {
1.596     raeburn  3239:              chomp($line);
                   3240: 	     my ($name,$type,$length,$bubbles_per_item) = 
                   3241:                  (split(/:/,$line))[0,2,4,17];
1.381     albertel 3242: 	     if ($name eq $code_option) {
                   3243: 		 $code_length=$length;
                   3244: 		 if ($type eq 'number') { $code_type = 'number'; }
1.596     raeburn  3245:                  chomp($bubbles_per_item); 
                   3246:                  if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
                   3247:                      $bubbles_per_row = $bubbles_per_item; 
                   3248:                  }
1.381     albertel 3249: 	     }
                   3250: 	 }
1.626     raeburn  3251:          my ($randomorder,$randompick,$map);
1.625     raeburn  3252:          if ($helper->{VARS}{'symb'}) {
1.626     raeburn  3253:              ($map, my $id, my $resource) =
                   3254:                  &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
1.625     raeburn  3255:              my $navmap = Apache::lonnavmaps::navmap->new();
                   3256:              if (defined($navmap)) {
                   3257:                  if ($map) {
1.626     raeburn  3258:                      my $mapres = $navmap->getResourceByUrl($map);
                   3259:                      $randomorder = $mapres->randomorder();
                   3260:                      $randompick = $mapres->randompick();
1.625     raeburn  3261:                  }
                   3262:              }
                   3263:          }
1.288     albertel 3264: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     3265: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 3266:          $moreenv{'instructor_comments'}='hide';
1.596     raeburn  3267:          $moreenv{'bubbles_per_row'} = $bubbles_per_row;
1.288     albertel 3268: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 3269: 	 my @allcodes;
                   3270: 	 if ($old_name) {
1.381     albertel 3271: 	     my %result=&Apache::lonnet::get('CODEs',
                   3272: 					     [$old_name,"type\0$old_name"],
                   3273: 					     $cdom,$cnum);
                   3274: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 3275: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 3276: 	     $num_todo=scalar(@allcodes);
1.389     foxr     3277: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     3278: 	     $num_todo = 1;
                   3279: 	     @allcodes = ($selected_code);
1.385     foxr     3280: 	 } elsif ($single_code) {
                   3281: 
1.387     foxr     3282: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     3283: 	     # If an alpha code have to convert to numbers so it can be
                   3284: 	     # converted back to letters again :-)
                   3285: 	     #
                   3286: 	     if ($code_type ne 'number') {
                   3287: 		 $single_code = &letters_to_num($single_code);
                   3288: 	     }
                   3289: 	     @allcodes = ($single_code);
1.292     albertel 3290: 	 } else {
                   3291: 	     my %allcodes;
1.299     albertel 3292: 	     srand($seed);
1.292     albertel 3293: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 3294: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   3295: 					    $code_type);
1.292     albertel 3296: 	     }
1.645     raeburn  3297:              $code_name =~ s/^\s+//;
                   3298:              $code_name =~ s/\s+$//;
1.292     albertel 3299: 	     if ($code_name) {
                   3300: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 3301: 				      {
                   3302: 					$code_name =>join(',',keys(%allcodes)),
                   3303: 					"type\0$code_name" => $code_type
                   3304: 				      },
1.292     albertel 3305: 				      $cdom,$cnum);
                   3306: 	     }
                   3307: 	     @allcodes=keys(%allcodes);
                   3308: 	 }
1.336     albertel 3309: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.590     foxr     3310: 	 my ($type) = split(/_/,$print_type);
1.452     albertel 3311: 	 &adjust_number_to_print($helper);
1.336     albertel 3312: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1.587     foxr     3313: 	 if ($number_per_page eq '0' || $number_per_page eq 'all'
                   3314: 	     || $number_per_page eq 'section') {
                   3315: 	     $number_per_page=$num_todo > 0 ? $num_todo : 1;
1.336     albertel 3316: 	 }
                   3317: 	 my $flag_latex_header_remove = 'NO'; 
1.611     www      3318: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
1.295     albertel 3319: 	 my $count=0;
1.647     raeburn  3320:          my $nohidemap;
                   3321:          if ($perm{'pav'} && $perm{'vgr'}) {
                   3322:              $nohidemap = 1;
                   3323:          }
1.292     albertel 3324: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 3325: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 3326: 	     if ($code_type eq 'number') { 
                   3327: 		 $moreenv{'CODE'}=$code;
                   3328: 	     } else {
                   3329: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   3330: 	     }
1.625     raeburn  3331:              my $actual_seq = \@master_seq;
1.632     raeburn  3332:              if ($randomorder || $randompick) {
1.625     raeburn  3333:                  $env{'form.CODE'} = $moreenv{'CODE'};
1.626     raeburn  3334:                  $actual_seq = master_seq_to_person_seq($map, \@master_seq,
                   3335:                                                         undef,
1.647     raeburn  3336:                                                         $moreenv{'CODE'}, $nohidemap);
1.625     raeburn  3337:                  delete($env{'form.CODE'});
                   3338:              }
1.375     foxr     3339: 	     my ($output,$fullname, $printed)=
1.288     albertel 3340: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.625     raeburn  3341: 				  $actual_seq,$flag_latex_header_remove,
1.360     albertel 3342: 				  $LaTeXwidth);
1.375     foxr     3343: 	     $resources_printed .= ":";
1.295     albertel 3344: 	     $print_array[$file_num].=$output;
1.288     albertel 3345: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   3346: 				       &mt('last assignment').' '.$fullname);
                   3347: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 3348: 	     $count++;
1.331     albertel 3349: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 3350: 	 }
                   3351: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3352: 	 $result .= $print_array[0].'  \end{document}';
1.665     raeburn  3353:      } elsif ($print_type eq 'problems_from_directory') {
1.151     sakharuk 3354:     #prints selected problems from the subdirectory 
                   3355: 	$selectionmade = 6;
                   3356:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 3357: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 3358: 	my $flag_latex_header_remove = 'NO'; 
                   3359: 	my $rndseed=time;
1.230     albertel 3360: 	if ($helper->{'VARS'}->{'curseed'}) {
                   3361: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   3362: 	}
1.151     sakharuk 3363: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     3364: 
                   3365: 	    &Apache::lonenc::reset_enc();
                   3366: 
1.152     sakharuk 3367: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 3368: 	    $urlp=~s|//|/|;
1.152     sakharuk 3369: 	    if ($urlp=~/\//) {
1.353     foxr     3370: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 3371: 		$form{'rndseed'}=$rndseed;
1.603     www      3372: 		$urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.375     foxr     3373: 		$resources_printed .= $urlp.':';
1.515     foxr     3374: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 3375: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 3376: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3377: 		    #  Don't permanently pervert %form:
                   3378: 		    my %answerform = %form;
                   3379: 		    $answerform{'grade_target'}='answer';
                   3380: 		    $answerform{'answer_output_mode'}='tex';
                   3381: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3382: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     3383: 		    $resources_printed .= $urlp.':';
1.515     foxr     3384: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 3385: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  3386: 			$texversion=~s/(\\keephidden\{ENDOFPROBLEM})/$answer$1/;
1.251     sakharuk 3387: 		    } else {
1.253     sakharuk 3388: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   3389: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   3390: 			    $texversion.='\vskip 0 mm \noindent ';
                   3391: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   3392: 			} else {
1.604     www      3393: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.
1.633     raeburn  3394:                                          &mt("Printing from Authoring Space: No Title").'}\vskip 0 mm ';
1.604     www      3395: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1.253     sakharuk 3396: 			}
                   3397: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 3398: 		    }
1.174     sakharuk 3399: 		}
1.515     foxr     3400:                 #this chunk is responsible for printing the path to problem
                   3401: 
1.603     www      3402: 		my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
1.649     raeburn  3403: 		$texversion =~ s/(\\begin\{minipage}\{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 3404: 		if ($flag_latex_header_remove ne 'NO') {
                   3405: 		    $texversion = &latex_header_footer_remove($texversion);
                   3406: 		} else {
1.649     raeburn  3407: 		    $texversion =~ s/\\end\{document}//;
1.216     sakharuk 3408: 		}
                   3409: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3410: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 3411: 		}
1.219     sakharuk 3412: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   3413: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   3414: 		    
                   3415: 		}
1.152     sakharuk 3416: 		$result .= $texversion;
                   3417: 	    }
                   3418: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 3419: 	}
1.175     sakharuk 3420: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 3421: 	$result .= '\end{document}';      	
1.140     sakharuk 3422:     }
                   3423: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     3424: 
                   3425:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   3426: 
                   3427:     if ($do_postprocessing) {
1.590     foxr     3428: 	$result = &page_format_transformation($papersize,
                   3429: 					      $laystyle,$numberofcolumns,
                   3430: 					      $print_type,$result,
                   3431: 					      $helper->{VARS}->{'assignment'},
                   3432: 					      $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3433: 					      $helper->{'VARS'}->{'TABLE_INDEX'},
                   3434: 					      $selectionmade);
1.499     foxr     3435: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   3436: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   3437: 	#if ($numberofcolumns == 1) {
1.451     albertel 3438: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   3439: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   3440: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   3441: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     3442: 	#}
                   3443:     }
1.367     foxr     3444: 
1.648     damieng  3445:     # Set URLback so we can provide a link back to the resource and to change options.
                   3446:     # (Since the browser back button does not currently work with https,
                   3447:     # the back link is useful even when there is an easy-to-miss LON-CAPA back button.)
1.274     sakharuk 3448: 
1.276     sakharuk 3449:     my $URLback=''; #link to original document
1.510     albertel 3450:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.607     www      3451: 	$URLback=$helper->{'VARS'}->{'filename'};
1.648     damieng  3452:     } elsif ($helper->{VARS}{'symb'}) {
                   3453:         my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}{'symb'});
1.666     raeburn  3454:         my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   3455:         my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
                   3456:         my ($anchor,$usehttp);
1.653     raeburn  3457:         $url = &Apache::lonnet::clutter($url);
1.666     raeburn  3458:         if (($ENV{'SERVER_PORT'} == 443) && ($env{'request.course.id'}) &&
                   3459:             (($url =~ m{^\Q/public/$cdom/$cnum/syllabus\E($|\?)}) ||
                   3460:              ($url =~ m{^\Q/adm/wrapper/ext/\E(?!https:)}))) {
                   3461:             unless (&Apache::lonnet::uses_sts()) {
                   3462:                 $usehttp = 1;
                   3463:             }
                   3464:         }
1.653     raeburn  3465:         if ($env{'request.enc'}) {
                   3466:             $url = &Apache::lonenc::encrypted($url); 
                   3467:         }
1.658     raeburn  3468:         if ($url ne '') {
1.666     raeburn  3469:             my $symb = $helper->{VARS}{'symb'};
                   3470:             if ($url =~ m{^\Q/adm/wrapper/ext/\E}) {
                   3471:                 my $link = $url;
                   3472:                 ($link,$anchor) = ($url =~ /^([^\#]+)(?:|(\#[^\#]+))$/);
                   3473:                 if ($anchor) {
                   3474:                     ($symb) = ($helper->{VARS}{'symb'} =~ /^([^\#]+)/);
                   3475:                 }
                   3476:                 $url = $link;
                   3477:             }
                   3478:             $URLback = $url;
                   3479:             if ($usehttp) {
                   3480:                 $URLback .= (($URLback =~ /\?/) ? '&amp;':'?').'usehttp=1';
                   3481:             }
                   3482:             $URLback .= (($URLback =~ /\?/) ? '&amp;':'?').'symb='.&escape($symb.$anchor);
1.658     raeburn  3483:         }
1.276     sakharuk 3484:     }
1.556     foxr     3485:     #
                   3486:     # Final adjustment of the font size:
                   3487:     #
                   3488: 
                   3489:     $result = set_font_size($result);
1.375     foxr     3490: 
1.612     foxr     3491:     # Insert any babel headers required.
                   3492: 
                   3493:     $result       = &collect_languages($result);
                   3494: 
                   3495: 
1.525     www      3496: #-- writing .tex file in prtspool 
                   3497:     my $temp_file;
                   3498:     my $identifier = &Apache::loncommon::get_cgi_id();
                   3499:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   3500:     if (!($#print_array>0)) { 
                   3501:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   3502: 	  $r->log_error("Couldn't open $filename for output $!");
                   3503: 	  return SERVER_ERROR; 
                   3504:        }
                   3505:        print $temp_file $result;
                   3506:        my $begin=index($result,'\begin{document}',0);
                   3507:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     3508:     } else {
1.525     www      3509:        my $begin=index($result,'\begin{document}',0);
                   3510:        my $inc=substr($result,0,$begin+16);
                   3511:        for (my $i=0;$i<=$#print_array;$i++) {
                   3512: 	  if ($i==0) {
                   3513: 	      $print_array[$i]=$result;
                   3514: 	  } else {
                   3515: 	      $print_array[$i].='\end{document}';
                   3516: 	      $print_array[$i] = 
                   3517: 		&latex_corrections($number_of_columns,$print_array[$i],
                   3518: 				   $selectionmade, 
                   3519: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     3520: 	    
1.525     www      3521: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   3522: 	      substr($print_array[$i],0,$anobegin)='';
                   3523: 	      $print_array[$i]=$inc.$print_array[$i];
                   3524: 	  }
                   3525: 	  my $temp_file;
                   3526: 	  my $newfilename=$filename;
                   3527: 	  my $num=$i+1;
                   3528: 	  $newfilename =~s/\.tex$//; 
                   3529: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   3530: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   3531: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   3532: 	      return SERVER_ERROR; 
                   3533: 	  }
                   3534: 	  print $temp_file $print_array[$i];
                   3535:        }
                   3536:     }
                   3537:     my $student_names='';
                   3538:     if ($#print_array>0) {
                   3539:         for (my $i=0;$i<=$#print_array;$i++) {
                   3540:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     3541: 	}
1.525     www      3542:     } else {
                   3543: 	if ($#student_names>-1) {
                   3544: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     3545: 	} else {
1.525     www      3546:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   3547: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     3548: 				    $env{'request.course.sec'},$fullname).
                   3549: 					'_ENDPERSON_'.'_END_';
                   3550: 	}
1.525     www      3551:      }
1.515     foxr     3552: 	
1.525     www      3553:      # logic for now is too complex to trace if this has been defined
                   3554:      #  yet.
                   3555:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3556:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3557:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     3558: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   3559: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   3560: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   3561: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   3562: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3563: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   3564: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   3565: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   3566: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.655     raeburn  3567: 				'cgi.'.$identifier.'.backref' => &escape($URLback),});
1.525     www      3568:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     3569: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   3570: 				"cgi.$identifier.courseid" => $cnum, 
                   3571: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  3572: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     3573: 	
1.525     www      3574:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  3575:     my $continue_text = &mt('Continue');
1.525     www      3576:     # If there's been an unrecoverable SSI error, report it to the user
                   3577:     if ($ssi_error) {
                   3578:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   3579:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      3580:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   3581:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   3582:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  3583:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      3584:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   3585:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  3586:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      3587:     } else {
1.515     foxr     3588: 	$r->print(<<FINALEND);
1.317     albertel 3589: <br />
1.288     albertel 3590: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  3591: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 3592: $end_page
1.140     sakharuk 3593: FINALEND
1.528     raeburn  3594:     }                                     # endif ssi errors.
1.140     sakharuk 3595: }
                   3596: 
1.288     albertel 3597: 
                   3598: sub get_CODE {
1.381     albertel 3599:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 3600:     my $max='1'.'0'x$size;
                   3601:     my $newcode;
                   3602:     while(1) {
1.392     albertel 3603: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 3604: 	if (!exists($$all_codes{$newcode})) {
                   3605: 	    $$all_codes{$newcode}=1;
1.381     albertel 3606: 	    if ($type eq 'number' ) {
                   3607: 		return $newcode;
                   3608: 	    } else {
                   3609: 		return &num_to_letters($newcode);
                   3610: 	    }
1.288     albertel 3611: 	}
                   3612:     }
                   3613: }
1.140     sakharuk 3614: 
1.284     albertel 3615: sub print_resources {
1.360     albertel 3616:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 3617: 	$LaTeXwidth)=@_;
1.284     albertel 3618:     my $current_output = ''; 
1.375     foxr     3619:     my $printed = '';
1.284     albertel 3620:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   3621:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     3622:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.600     foxr     3623: 
1.619     foxr     3624: 
1.591     foxr     3625:     #
                   3626:     # Figure out if we need to filter the output by
                   3627:     # the incomplete problems for that person
                   3628:     #
                   3629:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
                   3630:     my $print_incomplete = 0;
                   3631:     if (($print_type eq 'map_incomplete_problems_people_seq')   ||
                   3632: 	($print_type eq 'incomplete_problems_selpeople_course')) {
                   3633: 	$print_incomplete = 1;
                   3634:     }
1.596     raeburn  3635:     if ($person eq 'anonymous') {
1.613     ramirez  3636: 	$namepostfix .=&mt('Name:')." ";
1.288     albertel 3637: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   3638:     }
1.590     foxr     3639: 
1.444     foxr     3640:     #  Fullname may have special latex characters that need \ prefixing:
                   3641:     #
                   3642: 
1.350     foxr     3643:     my $i           = 0;
1.591     foxr     3644:     my $actually_printed = 0;	# Count of resources printed.
1.284     albertel 3645:     #goes through all resources, checks if they are available for 
                   3646:     #current student, and produces output   
1.428     albertel 3647: 
                   3648:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 3649:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 3650:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     3651:     #
1.441     foxr     3652:     #   end each student with a 
1.440     foxr     3653:     #   Special that allows the post processor to even out the page
                   3654:     #   counts later.  Nasty problem this... it would be really
                   3655:     #   nice to put the special in as a postscript comment
1.441     foxr     3656:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     3657:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     3658:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   3659:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     3660:     #
1.591     foxr     3661: 
1.568     foxr     3662:     my $syllabus_first = 0;
1.619     foxr     3663:     my $current_assignment = "";
                   3664:     my $assignment;
                   3665:     my $courseidinfo = &get_course();
1.643     raeburn  3666:     my $possprint = scalar(@{$master_seq});
1.619     foxr     3667: 
1.284     albertel 3668:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     3669: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     3670: 	    if($i != 0) {
                   3671: 		$current_output.= "\\newpage\n";
                   3672: 	    }
                   3673: 	}
1.569     foxr     3674: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     3675: 	$i++;
1.619     foxr     3676: 	my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
                   3677: 
                   3678: 	# See if we need to emit a new header:
                   3679: 
1.284     albertel 3680: 	if ( !($type eq 'problems' && 
1.609     www      3681: 	       ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
1.591     foxr     3682: 	    if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
                   3683: 		next;
                   3684: 	    }
                   3685: 	    $actually_printed++; # we're going to print one.
1.639     raeburn  3686: 
1.284     albertel 3687: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 3688: 		if ($res_url!~m|^ext/|
1.413     albertel 3689: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     3690: 		    $printed .= $curresline.':';
1.428     albertel 3691: 		    &Apache::lonxml::remember_problem_counter();    
                   3692: 
1.526     www      3693: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  3694:                     if ($res_url =~ /\.page$/) {
                   3695:                         if ($remove_latex_header eq 'NO') {
                   3696:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   3697:                                 $rendered = &print_latex_header().$rendered;
                   3698:                             }
                   3699:                         }
1.591     foxr     3700: ;
1.582     raeburn  3701:                         if ($remove_latex_header eq 'YES') {
                   3702:                             $rendered = &latex_header_footer_remove($rendered);
                   3703:                         } else {
1.649     raeburn  3704:                             $rendered =~ s/\\end\{document}\d*//;
1.582     raeburn  3705:                         }
                   3706:                     }
1.305     sakharuk 3707: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3708: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3709: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   3710: 			my %answerenv = %{$moreenv};
                   3711: 			$answerenv{'answer_output_mode'}='tex';
1.591     foxr     3712: 
                   3713: 
1.380     foxr     3714: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 3715: 			
                   3716: 			&Apache::lonxml::restore_problem_counter();
                   3717: 
1.380     foxr     3718: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 3719: 
1.305     sakharuk 3720: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.649     raeburn  3721: 			    $rendered=~s/(\\keephidden\{ENDOFPROBLEM})/$ansrendered$1/;
1.305     sakharuk 3722: 			} else {
1.423     foxr     3723: 
                   3724: 			    
                   3725: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  3726:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
1.649     raeburn  3727:                                 $header =~ s/\\begin\{document}//;     #<<<<<
1.582     raeburn  3728:                             }
1.477     albertel 3729: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3730: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3731: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3732: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3733: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3734: 			    $body     = &encapsulate_minipage($body);
                   3735: 			    $rendered = $header.$body;
1.305     sakharuk 3736: 			}
                   3737: 		    }
1.511     foxr     3738: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3739: 			my $url = &Apache::lonnet::clutter($res_url);
                   3740: 			my $annotation = &annotate($url);
1.649     raeburn  3741: 			$rendered =~  s/(\\keephidden\{ENDOFPROBLEM})/$annotation$1/;
1.511     foxr     3742: 		    }
1.562     foxr     3743: 		    my $junk;
1.305     sakharuk 3744: 		    if ($remove_latex_header eq 'YES') {
                   3745: 			$rendered = &latex_header_footer_remove($rendered);
                   3746: 		    } else {
1.649     raeburn  3747: 			$rendered =~ s/\\end\{document}//;
1.305     sakharuk 3748: 		    }
                   3749: 		    $current_output .= $rendered;		    
1.660     raeburn  3750: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard|ext\.tool)$/) {
1.568     foxr     3751: 		    if ($i == 1) {
                   3752: 			$syllabus_first = 1;
                   3753: 		    }
1.375     foxr     3754: 		    $printed .= $curresline.':';
1.528     raeburn  3755: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3756: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3757: 			my $url = &Apache::lonnet::clutter($res_url);
                   3758: 			my $annotation = &annotate($url);
1.649     raeburn  3759: 			$annotation    =~ s/(\\end\{document})/$annotation$1/;
1.511     foxr     3760: 		    }
1.305     sakharuk 3761: 		    if ($remove_latex_header eq 'YES') {
                   3762: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3763: 		    } else {
1.649     raeburn  3764: 			$rendered =~ s/\\end\{document}//;
1.284     albertel 3765: 		    }
1.421     foxr     3766: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3767: 		} elsif($res_url = ~/\.pdf$/) {
                   3768: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3769: 		    my $rendered  = &include_pdf($url);
                   3770: 		    if ($remove_latex_header ne 'NO') {
                   3771: 			$rendered = &latex_header_footer_remove($rendered);
                   3772: 		    }
                   3773: 		    $current_output .= $rendered;
1.284     albertel 3774: 		} else {
1.414     albertel 3775: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3776: 		    if ($remove_latex_header ne 'NO') {
                   3777: 			$rendered = &latex_header_footer_remove($rendered);
                   3778: 		    } else {
1.649     raeburn  3779: 			$rendered =~ s/\\end\{document}//;
1.305     sakharuk 3780: 		    }
                   3781: 		    $current_output .= $rendered;
1.284     albertel 3782: 		}
                   3783: 	    }
                   3784: 	    $remove_latex_header = 'YES';
1.590     foxr     3785: 	}
1.619     foxr     3786: 	$assignment = &Apache::lonxml::latex_special_symbols(
                   3787: 	    &Apache::lonnet::gettitle($map), 'header');
                   3788: 	if (($assignment ne $current_assignment) && ($assignment ne "")) {
                   3789: 	    my $header_line = &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
                   3790: 						  $assignment, $courseidinfo, 
                   3791: 						  $fullname, $usersection);
                   3792: 	    my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3793: 		: '\fancyhead[LO]';
                   3794: 	    $header_line = $header_start.'{'.$header_line.'}';
                   3795: 	    $current_output = $current_output . $header_line;
                   3796: 	    $current_assignment = $assignment;
                   3797: 	}
                   3798: 
1.331     albertel 3799: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3800:     }
1.591     foxr     3801:     # If we are printing incomplete it's possible we don't have
                   3802:     # anything to print.  The print subsystem is not so good at handling
                   3803:     # that so we're going to generate a stub that says there are no
                   3804:     # incomplete resources for the person.
                   3805:     #
1.593     foxr     3806: 
1.591     foxr     3807:     if ($actually_printed == 0) {
1.643     raeburn  3808:         my $message = &mt('No resources to print');
                   3809:         if (!$possprint) {
                   3810:             if ($perm{'pav'} || $perm{'pfo'}) {
                   3811:                 $message = &mt('There are no unhidden resources to print.')."\n\n".
                   3812:                            &mt('The most likely reason is one of the following: ')."\n".
                   3813:                            '\begin{itemize}'."\n".
                   3814:                            '\item '.&mt("The 'Resource hidden from students' parameter is set for the folder being printed.")."\n".
                   3815:                            '\item '.&mt("'Hidden' is checked in the Course Editor individually for each resource in the folder being printed.")."\n".
                   3816:                            '\end{itemize}'."\n\n".
                   3817:                            &mt("Note: to print a bubblesheet exam which you want to hide from students, ".
                   3818:                                "use the Course Editor to check the 'Hidden' checkbox for the exam folder itself.")."\n";
                   3819:             }
                   3820:         } elsif ($print_incomplete) {
                   3821:             $message = &mt('No incomplete resources');
                   3822:         }
                   3823:         if ($message) { 
                   3824: 	    $current_output  = &encapsulate_minipage("\\vskip -10mm \n$message\n \\vskip 100 mm { }\n");
                   3825:         }
1.593     foxr     3826: 	if ($remove_latex_header eq "NO") {
                   3827: 	    $current_output = &print_latex_header() . $current_output;
                   3828: 	} else {
                   3829: 	    $current_output = &latex_header_footer_remove($current_output);
                   3830: 	}
1.591     foxr     3831:     }
1.552     foxr     3832: 
1.583     raeburn  3833:     if ($syllabus_first) {
                   3834:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3835:     }
1.642     raeburn  3836:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
                   3837:     my $header_line =
                   3838:     &format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
                   3839:                         $currentassignment, $courseidinfo, $fullname, $usersection);
                   3840:     my $header_start = ($columns_in_format == 1) ? '\lhead' : '\fancyhead[LO]';
                   3841:     my $newheader = $header_start.'{'.$header_line.'}';
1.583     raeburn  3842:     if ($current_output=~/\\documentclass/) {
1.649     raeburn  3843: 	$current_output =~ s/\\begin\{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$newheader$namepostfix}\\vskip 5 mm /;
1.619     foxr     3844: 
1.284     albertel 3845:     } else {
1.476     albertel 3846: 	my $blankpages = 
                   3847: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
1.619     foxr     3848: 	
1.476     albertel 3849: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3850: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
1.639     raeburn  3851: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3852: 	    $newheader.$namepostfix. '} \vskip 5 mm '.$current_output;
1.619     foxr     3853: 
1.284     albertel 3854:     }
1.440     foxr     3855:     #
                   3856:     #  Close the student bracketing.
                   3857:     #
1.375     foxr     3858:     return ($current_output,$fullname, $printed);
1.284     albertel 3859: 
                   3860: }
1.140     sakharuk 3861: 
1.614     raeburn  3862: sub printing_blocked {
                   3863:     my ($r,$blocktext) = @_;
                   3864:     my $title = &mt('Preparing Printout');
                   3865:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   3866:     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
                   3867:                                             text=> $title});
                   3868:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
                   3869:     &Apache::loncommon::content_type($r,'text/html');
                   3870:     &Apache::loncommon::no_cache($r);
                   3871:     $r->send_http_header;
                   3872:     $r->print(&Apache::loncommon::start_page('Preparing Printout').
                   3873:               $breadcrumbs.
                   3874:               $blocktext.
                   3875:               &Apache::loncommon::end_page());
                   3876:     return;
                   3877: }
                   3878: 
1.3       sakharuk 3879: sub handler {
                   3880: 
                   3881:     my $r = shift;
1.614     raeburn  3882: 
                   3883:     if ($env{'request.course.id'}) {
                   3884:         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3885:         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3886:         my ($blocked,$blocktext) = 
                   3887:             &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
                   3888:         if ($blocked) {
                   3889:             my $checkrole = "cm./$cdom/$cnum";
                   3890:             if ($env{'request.course.sec'} ne '') {
                   3891:                 $checkrole .= "/$env{'request.course.sec'}";
                   3892:             }
                   3893:             unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && 
                   3894:                     ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
                   3895:                 &printing_blocked($r,$blocktext);
                   3896:                 return OK;
                   3897:             }
                   3898:         }
                   3899:     }
1.397     albertel 3900:     
                   3901:     &init_perm();
                   3902:     my $helper = printHelper($r);
                   3903:     if (!ref($helper)) {
                   3904: 	return $helper;
1.60      sakharuk 3905:     }
1.177     sakharuk 3906:    
1.184     sakharuk 3907: 
1.454     foxr     3908:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3909:  
1.416     foxr     3910: 
1.350     foxr     3911: 
                   3912: 
1.367     foxr     3913:     #  If a figure conversion queue file exists for this user.domain
                   3914:     # we delete it since it can only be bad (if it were good, printout.pl
                   3915:     # would have deleted it the last time around.
                   3916: 
1.373     albertel 3917:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3918:     if(-e $conversion_queuefile) {
                   3919: 	unlink $conversion_queuefile;
                   3920:     }
1.515     foxr     3921:     
                   3922: 
1.184     sakharuk 3923:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3924:     return OK;
1.614     raeburn  3925: }
1.2       sakharuk 3926: 
1.131     bowersj2 3927: use Apache::lonhelper;
1.130     sakharuk 3928: 
1.223     bowersj2 3929: sub addMessage {
                   3930:     my $text = shift;
                   3931:     my $paramHash = Apache::lonhelper::getParamHash();
                   3932:     $paramHash->{MESSAGE_TEXT} = $text;
                   3933:     Apache::lonhelper::message->new();
                   3934: }
                   3935: 
1.416     foxr     3936: 
1.238     bowersj2 3937: 
1.397     albertel 3938: sub init_perm {
                   3939:     undef(%perm);
                   3940:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3941:     if (!$perm{'pav'}) {
                   3942: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3943: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3944:     }
1.465     albertel 3945:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3946:     if (!$perm{'pfo'}) {
                   3947: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3948: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3949:     }
1.585     raeburn  3950:     $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
                   3951:     if (!$perm{'vgr'}) {
                   3952:         $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
                   3953:                    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3954:     }
1.397     albertel 3955: }
                   3956: 
1.507     albertel 3957: sub get_randomly_ordered_warning {
                   3958:     my ($helper,$map) = @_;
                   3959: 
                   3960:     my $message;
                   3961: 
                   3962:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3963:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3964:     if (defined($navmap)) {
                   3965:         my $res = $navmap->getResourceByUrl($map);
                   3966:         if ($res) {
                   3967: 	    my $func = 
                   3968: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3969: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
1.610     foxr     3970: 
1.547     raeburn  3971:         }
                   3972:     } else {
                   3973:         $message = "Retrieval of information about ordering of resources failed."; 
                   3974:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3975:     }
                   3976:     return;
                   3977: }
                   3978: 
1.131     bowersj2 3979: sub printHelper {
1.115     bowersj2 3980:     my $r = shift;
                   3981: 
                   3982:     if ($r->header_only) {
1.373     albertel 3983:         if ($env{'browser.mathml'}) {
1.241     www      3984:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3985:         } else {
1.241     www      3986:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3987:         }
                   3988:         $r->send_http_header;
                   3989:         return OK;
1.115     bowersj2 3990:     }
                   3991: 
1.131     bowersj2 3992:     # Send header, nocache
1.373     albertel 3993:     if ($env{'browser.mathml'}) {
1.241     www      3994:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3995:     } else {
1.241     www      3996:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3997:     }
                   3998:     &Apache::loncommon::no_cache($r);
                   3999:     $r->send_http_header;
                   4000:     $r->rflush();
                   4001: 
1.131     bowersj2 4002:     # Unfortunately, this helper is so complicated we have to
                   4003:     # write it by hand
                   4004: 
                   4005:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   4006:     
1.176     bowersj2 4007:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 4008:     $helper->declareVar('symb');
1.156     bowersj2 4009:     $helper->declareVar('postdata');    
1.290     sakharuk 4010:     $helper->declareVar('curseed'); 
                   4011:     $helper->declareVar('probstatus');   
1.156     bowersj2 4012:     $helper->declareVar('filename');
                   4013:     $helper->declareVar('construction');
1.178     sakharuk 4014:     $helper->declareVar('assignment');
1.262     sakharuk 4015:     $helper->declareVar('style_file');
1.340     foxr     4016:     $helper->declareVar('student_sort');
1.363     foxr     4017:     $helper->declareVar('FINISHPAGE');
1.366     foxr     4018:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     4019:     $helper->declareVar("showallfoils");
1.483     foxr     4020:     $helper->declareVar("STUDENTS");
1.569     foxr     4021:     $helper->declareVar("EXTRASPACE");
1.518     foxr     4022: 
                   4023:    
                   4024: 
                   4025: 
1.569     foxr     4026:     #  The page breaks and extra spaces
                   4027:     #  can get loaded initially from the course environment:
1.394     foxr     4028:     # But we only do this in the initial state so that they are allowed to change.
                   4029:     #
1.366     foxr     4030: 
1.363     foxr     4031:     
                   4032:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     4033: 						{'pagebreaks'  => 'scalar',
1.569     foxr     4034: 						 'extraspace'  => 'scalar',
1.570     foxr     4035: 						 'extraspace_units' => 'scalar',
1.366     foxr     4036: 					         'lastprinttype' => 'scalar'});
                   4037:     
1.483     foxr     4038:     # This will persistently load in the data we want from the
                   4039:     # very first screen.
1.394     foxr     4040:     
                   4041:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   4042: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   4043: 	    
                   4044: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     4045: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     4046: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     4047: 	} else {
                   4048: 	    my $state = $env{"form.CURRENT_STATE"};
                   4049: 	    if ($state eq "START") {
                   4050: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     4051: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     4052: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   4053: 		
1.394     foxr     4054: 	    }
                   4055: 	}
                   4056: 	
1.366     foxr     4057:     }
1.481     albertel 4058: 
1.156     bowersj2 4059:     # Detect whether we're coming from construction space
1.602     www      4060:     if ($env{'form.postdata'}=~m{^/priv}) {
                   4061:         $helper->{VARS}->{'filename'} = $env{'form.postdata'};
1.156     bowersj2 4062:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 4063:     } else {
1.373     albertel 4064:         if ($env{'form.postdata'}) {
                   4065:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 4066: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   4067: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   4068: 	    }
1.156     bowersj2 4069:         }
1.373     albertel 4070:         if ($env{'form.symb'}) {
                   4071:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 4072:         }
1.373     albertel 4073:         if ($env{'form.url'}) {
1.156     bowersj2 4074:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   4075:         }
1.416     foxr     4076: 
1.157     bowersj2 4077:     }
1.481     albertel 4078: 
1.373     albertel 4079:     if ($env{'form.symb'}) {
                   4080:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 4081:     }
1.373     albertel 4082:     if ($env{'form.url'}) {
1.140     sakharuk 4083:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   4084:     }
1.667     raeburn  4085:     if ($helper->{VARS}->{'symb'} ne '') {
                   4086:         $helper->{VARS}->{'symb'}=
                   4087: 	    &Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
                   4088:     }
1.335     albertel 4089:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 4090:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 4091: 
1.156     bowersj2 4092:     
1.146     bowersj2 4093:     # Extract map
                   4094:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 4095:     my ($map, $id, $url);
                   4096:     my $subdir;
1.483     foxr     4097:     my $is_published=0;		# True when printing from resource space.
1.589     foxr     4098:     my $res_printable = 1;	# By default the current resource is printable.    
1.663     raeburn  4099:     my $res_error;
1.589     foxr     4100:     my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
1.615     foxr     4101:     my $res_printstartdate;
                   4102:     my $res_printenddate;
1.616     foxr     4103:     my $map_open = 0;
                   4104:     my $map_close = 0xffffffff;
                   4105:     my $course_open = 0;
                   4106:     my $course_close = 0xffffffff;
1.156     bowersj2 4107: 
                   4108:     # Get the resource name from construction space
                   4109:     if ($helper->{VARS}->{'construction'}) {
                   4110:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   4111:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   4112:         $subdir = substr($helper->{VARS}->{'filename'},
                   4113:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 4114:     } else {
1.562     foxr     4115: 	# From course space:
                   4116: 
1.482     albertel 4117: 	if ($symb ne '') {
                   4118: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   4119: 	    $helper->{VARS}->{'postdata'} = 
                   4120: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.663     raeburn  4121:             if (!$userCanPrint) {
                   4122: 	        my $navmap = Apache::lonnavmaps::navmap->new();
                   4123:                 if (ref($navmap)) {
                   4124: 	            my $res = $navmap->getBySymb($symb);
                   4125:                     if (ref($res)) {
                   4126: 	                $res_printable = $res->resprintable(); #printability in course context
                   4127: 	                ($res_printstartdate, $res_printenddate) = &get_print_dates($res);
                   4128: 	                ($course_open, $course_close) = &course_print_dates($res);
                   4129: 	                ($map_open, $map_close) = &map_print_dates($res);
                   4130:                     } else {
                   4131:                         $res_error = 1; 
                   4132:                     }
                   4133:                 } else {
                   4134:                     $res_error = 1;
                   4135:                 }
                   4136:             }
1.482     albertel 4137: 	} else {
1.589     foxr     4138: 	    # Resource space.
                   4139: 
1.482     albertel 4140: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     4141: 	    $is_published=1;	# From resource space.
1.482     albertel 4142: 	}
                   4143: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 4144:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 4145:             my $postdata = $helper->{VARS}->{'postdata'};
                   4146:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 4147:         }
                   4148:         $subdir = &Apache::lonnet::filelocation("", $url);
1.589     foxr     4149: 
                   4150: 
1.128     bowersj2 4151:     }
1.373     albertel 4152:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   4153: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 4154:     }
1.616     foxr     4155: 
1.373     albertel 4156:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     4157: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 4158:     }
1.115     bowersj2 4159: 
1.192     bowersj2 4160:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   4161: 
1.481     albertel 4162:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 4163: 
1.131     bowersj2 4164:     # "Delete everything after the last slash."
1.119     bowersj2 4165:     $subdir =~ s|/[^/]+$||;
                   4166: 
1.131     bowersj2 4167:     # What can be printed is a very dynamic decision based on
                   4168:     # lots of factors. So we need to dynamically build this list.
                   4169:     # To prevent security leaks, states are only added to the wizard
                   4170:     # if they can be reached, which ensures manipulating the form input
                   4171:     # won't allow anyone to reach states they shouldn't have permission
                   4172:     # to reach.
                   4173: 
                   4174:     # printChoices is tracking the kind of printing the user can
                   4175:     # do, and will be used in a choices construction later.
                   4176:     # In the meantime we will be adding states and elements to
                   4177:     # the helper by hand.
                   4178:     my $printChoices = [];
                   4179:     my $paramHash;
1.130     sakharuk 4180: 
1.589     foxr     4181:     # If there is a current resource and it is printable
                   4182:     # Give that as a choice.
                   4183: 
                   4184:     if ($resourceTitle && $res_printable) {
1.458     www      4185:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.615     foxr     4186:     } 
1.156     bowersj2 4187: 
1.238     bowersj2 4188:     # Useful filter strings
1.589     foxr     4189: 
                   4190:     my $isPrintable = ' && $res->resprintable()';
                   4191: 
1.590     foxr     4192:     my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
1.589     foxr     4193:     $isProblem .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4194:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4195:     my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                   4196:     $isProblemOrMap .= $isPrintable unless $userCanPrint;
                   4197:     my $isNotMap = '(!$res->is_sequence())';
                   4198:     $isNotMap .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4199:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4200:     my $isMap = '$res->is_map()';
                   4201:     $isMap .= $isPrintable unless $userCanPrint;
                   4202:     my $symbFilter = '$res->shown_symb() ';
1.342     albertel 4203:     my $urlValue = '$res->link()';
1.238     bowersj2 4204: 
                   4205:     $helper->declareVar('SEQUENCE');
                   4206: 
1.465     albertel 4207:     # If we're in a sequence...
1.416     foxr     4208: 
1.465     albertel 4209:     my $start_new_option;
                   4210:     if ($perm{'pav'}) {
                   4211: 	$start_new_option = 
1.634     bisitz   4212: 	    "<option text='".&mt('Start new page[_1]before selected','<br />').
1.569     foxr     4213: 	    "' variable='FINISHPAGE' />".
1.634     bisitz   4214: 	    "<option text='".&mt('Extra space[_1]before selected','<br />').
1.569     foxr     4215: 	    "' variable='EXTRASPACE' type='text' />" .
                   4216: 	    "<option " .
1.570     foxr     4217: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
1.634     bisitz   4218: 	    "<option text='".&mt('Space units[_1]check for mm','<br />').
1.570     foxr     4219: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   4220: 	    ;
                   4221: 	    
1.569     foxr     4222: 
1.465     albertel 4223:     }
1.238     bowersj2 4224: 
1.562     foxr     4225:     # If not construction space user can print the components of a page:
                   4226: 
                   4227:     my $page_ispage;
                   4228:     my $page_title;
                   4229:     if (!$helper->{VARS}->{'construction'}) {
                   4230: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   4231: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   4232: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     4233: 	if (defined($page_navmap)) {
                   4234: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   4235: 	    if(defined($page_resources[0])) {
                   4236: 		$page_ispage       = $page_resources[0]->is_page();
                   4237: 		$page_title     = $page_resources[0]->title();
                   4238: 		my $resourcesymb   = $page_resources[0]->symb();
                   4239: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   4240: 		if ($page_ispage) {
                   4241: 		    push @{$printChoices}, 
                   4242: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   4243: 		     'map_problems_in_page', 
                   4244: 		     'CHOOSE_PROBLEMS_PAGE'];
                   4245: 		    push @{$printChoices}, 
                   4246: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   4247: 		     'map_resources_in_page', 
                   4248: 		     'CHOOSE_RESOURCES_PAGE'];
                   4249: 		}
1.562     foxr     4250:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   4251: 							'Select Problem(s) to print',
1.661     raeburn  4252: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1' modallink='1'",
1.562     foxr     4253: 							'RESOURCES',
                   4254: 							'PAGESIZE',
                   4255: 							$url,
                   4256: 							$isProblem, '',  $symbFilter,
                   4257: 							$start_new_option);
                   4258: 
                   4259: 
                   4260:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   4261: 						    'Select Resource(s) to print',
1.661     raeburn  4262: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
1.562     foxr     4263: 						    'RESOURCES',
                   4264: 						    'PAGESIZE',
                   4265: 						    $url,
                   4266: 						    $isNotMap, '', $symbFilter,
                   4267: 						    $start_new_option);
                   4268: 
                   4269: 						    
                   4270: 
                   4271: 
                   4272: 
                   4273: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4274: 	
1.563     foxr     4275: 	    }
                   4276: 	}
1.562     foxr     4277:     }
                   4278: 
                   4279:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 4280: 	$helper->{VARS}->{'postdata'} &&
                   4281: 	$helper->{VARS}->{'assignment'}) {
1.590     foxr     4282: 
                   4283: 	# BZ 5209 - Print incomplete problems from sequence:
                   4284: 	# the exact form of this depends on whether or not we are privileged or a mere
                   4285: 	# plebe of s student:
                   4286: 
                   4287: 	my $printSelector = 'map_incomplete_problems_seq';
                   4288: 	my $nextState     = 'CHOOSE_INCOMPLETE_SEQ';
                   4289: 	my $textSuffix    = '';
                   4290: 
1.616     foxr     4291: 	if ($userCanPrint)  {
1.590     foxr     4292: 	    $printSelector = 'map_incomplete_problems_people_seq';
                   4293: 	    $nextState     = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
                   4294: 	    $textSuffix    = ' for selected students';
                   4295: 	    my $helperStates =
                   4296: 		&create_incomplete_folder_selstud_helper($helper, $map); 
                   4297: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4298: 	} else {
1.616     foxr     4299: 	    if (&printable($map_open, $map_close)) {
                   4300: 		my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
                   4301: 		&Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4302: 	    } else {
                   4303: 		# TODO: Figure out how to break the news...this folder is not printable.
                   4304: 	    }
1.590     foxr     4305: 	}
                   4306: 
1.616     foxr     4307: 	if ($userCanPrint || &printable($map_open, $map_close)) {
                   4308: 	    push(@{$printChoices},
                   4309: 		 [&mt('Selected  [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
                   4310: 		      '<b>', '</b>',
                   4311: 		      '<b><i>'. $sequenceTitle . '</b></i>'),
                   4312: 		  $printSelector,
                   4313: 		  $nextState]);
                   4314: 	}
1.131     bowersj2 4315:         # Allow problems from sequence
1.616     foxr     4316: 	if ($userCanPrint || &printable($map_open, $map_close)) {
                   4317: 	    push @{$printChoices}, 
1.562     foxr     4318: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   4319: 	     'map_problems', 
                   4320: 	     'CHOOSE_PROBLEMS'];
1.616     foxr     4321: 	    # Allow all resources from sequence
                   4322: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   4323: 				    'map_problems_pages', 
                   4324: 				    'CHOOSE_PROBLEMS_HTML'];
                   4325: 	    my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
                   4326: 							    'Select Problem(s) to print',
1.661     raeburn  4327: 							    'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
1.616     foxr     4328: 							    'RESOURCES',
                   4329: 							    'PAGESIZE',
                   4330: 							    $map,
1.621     foxr     4331: 							    $isProblem, '',
1.616     foxr     4332: 							    $symbFilter,
                   4333: 							    $start_new_option);
                   4334: 	    $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
                   4335: 							  'Select Resource(s) to print',
1.661     raeburn  4336: 							  'multichoice="1" toponly="1" addstatus="1" closeallpages="1" modallink="1"',
1.616     foxr     4337: 							  'RESOURCES',
                   4338: 							  'PAGESIZE',
                   4339: 							  $map,
                   4340: 							  $isNotMap, '',
                   4341: 							  $symbFilter,
                   4342: 							  $start_new_option);
                   4343: 	    
                   4344: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4345: 	} else {
                   4346: 	    # TODO: Figure out how to tell them the folder is not printable.
                   4347: 	}
1.121     bowersj2 4348:     }
1.616     foxr     4349: 	# If the user has pfo (print for others) allow them to print all 
                   4350: 	# problems and resources  in the entire course, optionally for selected students
                   4351: 	my $post_data = $helper->{VARS}->{'postdata'};
1.590     foxr     4352:     
1.483     foxr     4353:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     4354:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 4355: 
1.590     foxr     4356: 	# BZ 5209 - incomplete problems from entire course:
                   4357: 
                   4358: 	push(@{$printChoices},
1.594     foxr     4359: 	     [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
1.590     foxr     4360: 	      'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
                   4361: 	my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
                   4362: 
                   4363: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4364: 
                   4365: 	#  Selected problems/resources from entire course:
                   4366: 
1.509     albertel 4367:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   4368: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     4369: 	push @{$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     4370: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     4371:   <state name="STUDENTS1" title="Select People">
                   4372:       <message><b>Select sorting order of printout</b> </message>
                   4373:     <choices variable='student_sort'>
                   4374:       <choice computer='0'>Sort by section then student</choice>
                   4375:       <choice computer='1'>Sort by students across sections.</choice>
                   4376:     </choices>
                   4377:       <message><br /><hr /><br /> </message>
                   4378:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   4379:   </state>
1.284     albertel 4380: ALL_PROBLEMS
1.562     foxr     4381:          &Apache::lonxml::xmlparse($r, 'helper', 
                   4382: 				   &generate_resource_chooser('ALL_PROBLEMS',
1.635     bisitz   4383: 							      'Select Problem(s) to print',
1.661     raeburn  4384: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
1.562     foxr     4385: 							      'RESOURCES',
                   4386: 							      'PAGESIZE',
                   4387: 							      '',
                   4388: 							      $isProblemOrMap, $isNotMap,
                   4389: 							      $symbFilter,
                   4390: 							      $start_new_option) .
                   4391: 				   &generate_resource_chooser('ALL_RESOURCES',
                   4392: 							      'Select Resource(s) to print',
1.661     raeburn  4393: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1' modallink='1'",
1.562     foxr     4394: 							      'RESOURCES',
                   4395: 							      'PAGESIZE',
                   4396: 							      '',
                   4397: 							      $isNotMap,'',$symbFilter,
                   4398: 							      $start_new_option) .
                   4399: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   4400: 							      'Select Problem(s) to print',
1.661     raeburn  4401: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1" modallink="1"',
1.562     foxr     4402: 							      'RESOURCES',
                   4403: 							      'STUDENTS1',
                   4404: 							      '',
                   4405: 							      $isProblemOrMap,'' , $symbFilter,
                   4406: 							      $start_new_option) .
                   4407: 				     $suffixXml
                   4408: 				   );
1.132     bowersj2 4409: 
1.284     albertel 4410: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     4411: 
                   4412: 	    # If we were looking at a page, allow a selection of problems from the page
                   4413: 	    # either for selected students or for coded assignments.
                   4414: 
                   4415: 	    if ($page_ispage) {
                   4416: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   4417: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4418: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   4419: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   4420: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4421: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   4422: 	    }
                   4423: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   4424: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   4425: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   4426: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   4427: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   4428: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 4429: 	}
1.424     foxr     4430: 
1.507     albertel 4431: 	my $randomly_ordered_warning = 
1.591     foxr     4432:             &get_randomly_ordered_warning($helper, $map);
1.507     albertel 4433: 
1.424     foxr     4434: 	# resource_selector will hold a few states that:
                   4435: 	#   - Allow resources to be selected for printing.
                   4436: 	#   - Determine pagination between assignments.
                   4437: 	#   - Determine how many assignments should be bundled into a single PDF.
                   4438:         # TODO:
                   4439: 	#    Probably good to do things like separate this up into several vars, each
                   4440: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   4441: 	#    and next states for better mix and match capability
                   4442: 	#
1.562     foxr     4443: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   4444: 							  'Select resources to print',
1.661     raeburn  4445: 							  'multichoice="1" addstatus="1" closeallpages="1" modallink="1"',
1.562     foxr     4446: 							  'RESOURCES', 
                   4447: 							  'PRINT_FORMATTING',
1.571     droeschl 4448: 							  $map,
1.562     foxr     4449: 							  $isProblem, '', $symbFilter,
                   4450: 							  $start_new_option);
1.586     raeburn  4451: 	$resource_selector .=  &generate_format_selector($helper,
1.598     raeburn  4452:                                                          'How should results be printed?',
                   4453:                                                          'PRINT_FORMATTING').
1.586     raeburn  4454:                                &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
1.562     foxr     4455: 							'Select Problem(s) to print',
1.661     raeburn  4456: 							"multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
1.562     foxr     4457: 							'RESOURCES',
                   4458: 							'PRINT_FORMATTING',
                   4459: 							$url,
                   4460: 							$isProblem, '',  $symbFilter,
                   4461: 							$start_new_option);
                   4462: 
                   4463: 
                   4464: # Generate student choosers.
                   4465: 
                   4466: 
1.284     albertel 4467: 
1.562     foxr     4468:         &Apache::lonxml::xmlparse($r, 'helper',
                   4469: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   4470: 							    'student_sort',
                   4471: 							    'STUDENTS',
                   4472: 							    'CHOOSE_STUDENTS_PAGE'));
                   4473: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   4474: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   4475: 							    'student_sort',
                   4476: 							    'STUDENTS',
                   4477: 							    'SELECT_PROBLEMS'));
                   4478: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 4479: 
1.373     albertel 4480: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4481: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 4482:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   4483: 	my $namechoice='<choice></choice>';
1.337     albertel 4484: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 4485: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 4486: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 4487: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   4488: 	}
1.389     foxr     4489: 
                   4490: 
                   4491: 	my %code_values;
1.405     albertel 4492: 	my %codes_to_print;
1.411     albertel 4493: 	foreach my $key (@names) {
1.389     foxr     4494: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 4495: 	    foreach my $key (keys(%code_values)) {
                   4496: 		$codes_to_print{$key} = 1;
1.388     foxr     4497: 	    }
                   4498: 	}
1.389     foxr     4499: 
1.452     albertel 4500: 	my $code_selection;
1.405     albertel 4501: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     4502: 	    my $choice  = $code;
                   4503: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   4504: 		$choice = &letters_to_num($code);
                   4505: 	    }
1.432     albertel 4506: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     4507: 	}
1.436     albertel 4508: 	if (%codes_to_print) {
                   4509: 	    $code_selection .='   
1.472     albertel 4510: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 4511: 		<message></td><td></message>
1.452     albertel 4512: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   4513:                   <choice></choice>
1.448     albertel 4514:                   <exec>
                   4515:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   4516:                   </exec>
1.452     albertel 4517: 		</dropdown>
1.468     foxr     4518: 	    <message></td></tr><tr><td></message>
1.436     albertel 4519:             '.$/;
1.448     albertel 4520: 
1.436     albertel 4521: 	}
1.432     albertel 4522: 
1.668   ! raeburn  4523:         my @lines = &Apache::lonnet::get_scantronformat_file();
1.381     albertel 4524: 	my $codechoice='';
1.542     raeburn  4525: 	foreach my $line (@lines) {
1.636     bisitz   4526:             next if (($line =~ /^\#/) || ($line eq ''));
1.381     albertel 4527: 	    my ($name,$description,$code_type,$code_length)=
                   4528: 		(split(/:/,$line))[0,1,2,4];
                   4529: 	    if ($code_length > 0 && 
                   4530: 		$code_type =~/^(letter|number|-1)/) {
                   4531: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   4532: 	    }
                   4533: 	}
                   4534: 	if ($codechoice eq '') {
                   4535: 	    $codechoice='<choice computer="default">Default</choice>';
                   4536: 	}
1.562     foxr     4537: 	my $anon1 = &generate_code_selector($helper, 
                   4538: 					    'CHOOSE_ANON1',
                   4539: 					    'SELECT_PROBLEMS',
                   4540: 					    $codechoice,
                   4541: 					    $code_selection,
                   4542: 					    $namechoice) . $resource_selector;
                   4543: 					    
                   4544: 					    
                   4545:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   4546: 
                   4547: 	my $anon_page = &generate_code_selector($helper,
                   4548: 						'CHOOSE_ANON1_PAGE',
                   4549: 						'SELECT_PROBLEMS_PAGE',
                   4550: 						$codechoice,
                   4551: 						$code_selection,
                   4552: 						$namechoice) .
                   4553: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   4554: 						   'Select Problem(s) to print',
1.661     raeburn  4555: 						   "multichoice='1' addstatus='1' closeallpages ='1' modallink='1'",
1.562     foxr     4556: 						   'RESOURCES',
                   4557: 						   'PRINT_FORMATTING',
                   4558: 						   $url,
                   4559: 						   $isProblem, '',  $symbFilter,
                   4560: 						   $start_new_option);
                   4561: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 4562: 
1.272     sakharuk 4563: 
1.254     sakharuk 4564: 	if ($helper->{VARS}->{'assignment'}) {
1.590     foxr     4565: 
                   4566: 	    # Assignment printing:
                   4567: 
1.546     bisitz   4568: 	    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'];
                   4569: 	    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 4570: 	}
1.284     albertel 4571: 	    
                   4572: 
                   4573: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     4574:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 4575:     $randomly_ordered_warning
1.424     foxr     4576:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 4577:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 4578:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
1.661     raeburn  4579:               closeallpages="1" modallink="1">
1.254     sakharuk 4580:       <filterfunc>return $isNotMap;</filterfunc>
                   4581:       <mapurl>$map</mapurl>
                   4582:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4583:       $start_new_option
1.254     sakharuk 4584:       </resource>
1.424     foxr     4585:     </state>
1.284     albertel 4586: RESOURCE_SELECTOR
                   4587: 
1.586     raeburn  4588:         $resource_selector .= &generate_format_selector($helper,
                   4589:                                                         'Format of the print job',
1.598     raeburn  4590:                                                         'PRINT_FORMATTING');
1.284     albertel 4591: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   4592:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     4593:     <choices variable='student_sort'>
                   4594:       <choice computer='0'>Sort by section then student</choice>
                   4595:       <choice computer='1'>Sort by students across sections.</choice>
                   4596:     </choices>
1.437     foxr     4597:     <message><br /><hr /><br /></message>
1.426     foxr     4598:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     4599: 
1.424     foxr     4600:     </state>
1.284     albertel 4601:     $resource_selector
1.254     sakharuk 4602: CHOOSE_STUDENTS1
                   4603: 
1.284     albertel 4604: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 4605:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     4606:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 4607:     <message><h4>Fill out one of the forms below</h4></message>
                   4608:     <message><br /><hr /> <br /></message>
                   4609:     <message><h3>Generate new CODEd Assignments</h3></message>
                   4610:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     4611:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 4612:        <validator>
                   4613: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     4614: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     4615: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   4616: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 4617: 	    return "You need to specify the number of assignments to print";
                   4618: 	}
1.578     foxr     4619:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   4620:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   4621:             return 'Specifying number of codes to print and a specific code is not compatible';
                   4622:         }
1.362     albertel 4623: 	return undef;
                   4624:        </validator>
                   4625:     </string>
                   4626:     <message></td></tr><tr><td></message>
1.501     albertel 4627:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 4628:     <message></td><td></message>
                   4629:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   4630:     <message></td></tr><tr><td></message>
1.599     raeburn  4631:     <message><b>Bubblesheet type:</b></message>
1.412     albertel 4632:     <message></td><td></message>
                   4633:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   4634:     $codechoice
                   4635:     </dropdown>
1.472     albertel 4636:     <message></td></tr><tr><td></table></message>
                   4637:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   4638:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 4639:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     4640:         <validator>
                   4641: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     4642: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   4643: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     4644: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   4645: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     4646: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     4647: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     4648: 	   } else {
                   4649: 	       return undef;	# Other forces control us.
                   4650: 	   }
                   4651:         </validator>
                   4652:     </string>
1.472     albertel 4653:     <message></td></tr><tr><td></message>
1.432     albertel 4654:         $code_selection
1.472     albertel 4655:     <message></td></tr></table></message>
                   4656:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   4657:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 4658:     <message></td><td></message>
1.294     albertel 4659:     <dropdown variable="REUSE_OLD_CODES">
                   4660:         $namechoice
                   4661:     </dropdown>
1.412     albertel 4662:     <message></td></tr></table></message>
1.424     foxr     4663:   </state>
1.284     albertel 4664:     $resource_selector
                   4665: CHOOSE_ANON2
1.481     albertel 4666:     }
                   4667: 
1.121     bowersj2 4668:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     4669:     if (($perm{'pav'} 
1.482     albertel 4670: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   4671: 	&& (defined($helper->{'VARS'}->{'construction'})
                   4672: 	    ||
                   4673: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   4674: 	     && 
                   4675: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     4676: 	    )) 
                   4677: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 4678: 	) {
                   4679: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   4680:         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 4681:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 4682:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      4683: 
1.138     bowersj2 4684:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 4685:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 4686:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 4687: CHOOSE_FROM_SUBDIR
                   4688:         
1.238     bowersj2 4689:         # this is broken up because I really want interpolation above,
                   4690:         # and I really DON'T want it below
1.139     bowersj2 4691:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 4692:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   4693: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 4694:       </filefilter>
1.138     bowersj2 4695:       </files>
1.131     bowersj2 4696:     </state>
                   4697: CHOOSE_FROM_SUBDIR
1.139     bowersj2 4698:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 4699:     }
1.238     bowersj2 4700: 
                   4701:     # Allow the user to select any sequence in the course, feed it to
                   4702:     # another resource selector for that sequence
1.483     foxr     4703:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 4704: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 4705: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 4706: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   4707: 	#Escape apostrophes and backslashes for Perl
                   4708: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   4709: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 4710: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 4711:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   4712:     <message>Select the sequence to print resources from:</message>
                   4713:     <resource variable="SEQUENCE">
                   4714:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1.616     foxr     4715:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
1.238     bowersj2 4716:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     4717:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     4718: 	</choicefunc>
1.238     bowersj2 4719:       </resource>
                   4720:     </state>
                   4721:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   4722:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     4723:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.661     raeburn  4724:               closeallpages="1" modallink="1">
1.238     bowersj2 4725:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 4726:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 4727:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 4728:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4729:       $start_new_option
1.238     bowersj2 4730:       </resource>
                   4731:     </state>
                   4732: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 4733: }
1.481     albertel 4734: 
1.664     raeburn  4735:     my $numchoices = 0;
                   4736:     if (ref($printChoices) eq 'ARRAY') {
                   4737:         $numchoices = @{$printChoices};
                   4738:     }
                   4739:     # Early out if nothing to print
                   4740:     if (!$numchoices) {
                   4741:         $r->print(&Apache::loncommon::start_page('Printing Helper').
                   4742:                   '<h2>'.&mt('Unable to determine print context').'</h2>'.
                   4743:                   '<p>'.&mt('Please display a resource, and then click the "Print" button/icon').'</p>');
                   4744:         my $prtspool=$r->dir_config('lonPrtDir');
                   4745:         my $footer = &recently_generated($prtspool);
                   4746:         $r->print($footer.&Apache::loncommon::end_page());
                   4747:         return OK;
                   4748:     }
                   4749: 
1.131     bowersj2 4750:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 4751:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.615     foxr     4752:     if (!$res_printable) {
1.638     raeburn  4753:         my $noprintmsg;
1.663     raeburn  4754:         if ($res_error) {
                   4755:             $noprintmsg = &mt('Print availability for current resource could not be determined');
                   4756:         } else {
                   4757:             my $now = time;
                   4758:             my $shownprintstart = &Apache::lonlocal::locallocaltime($res_printstartdate);
                   4759:             my $shownprintend = &Apache::lonlocal::locallocaltime($res_printenddate);
                   4760:             if (($res_printenddate) && ($res_printenddate < $now)) {
1.638     raeburn  4761:                 $noprintmsg = &mt('Printing for current resource no longer available (ended: [_1])',
                   4762:                                   $shownprintend);
1.663     raeburn  4763:             } else {
                   4764:                 if (($res_printstartdate) && ($res_printstartdate > $now)) {
                   4765:                     if (($res_printenddate) && ($res_printenddate > $now) && ($res_printenddate > $res_printstartdate)) {
                   4766:                         $noprintmsg = &mt('Printing for current resource is only possible between [_1] and [_2]',
                   4767:                                           $shownprintstart,$shownprintend);
                   4768:                     } elsif (!$res_printenddate) {
                   4769:                         $noprintmsg = &mt('Printing for current resource will only be possible starting [_1]',
                   4770:                                           $shownprintstart);
                   4771:                     } else {
                   4772:                         $noprintmsg = &mt('Printing for current resource is unavailable');
                   4773:                     }
1.638     raeburn  4774:                 }
                   4775:             }
                   4776:         }
                   4777: 
                   4778:         if ($noprintmsg) {
                   4779:             $paramHash = Apache::lonhelper::getParamHash();
                   4780: 	    $paramHash->{MESSAGE_TEXT} = 
                   4781:                 '<p class="LC_info">'.$noprintmsg.'</p>';
                   4782: 	    Apache::lonhelper::message->new();
                   4783:         }
1.615     foxr     4784:     }
                   4785:     $paramHash = Apache::lonhelper::getParamHash();
1.131     bowersj2 4786:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 4787:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 4788:     Apache::lonhelper::message->new();
                   4789:     $paramHash = Apache::lonhelper::getParamHash();
                   4790:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   4791:     $paramHash->{CHOICES} = $printChoices;
                   4792:     Apache::lonhelper::choices->new();
1.161     bowersj2 4793: 
1.223     bowersj2 4794:     my $startedTable = 0; # have we started an HTML table yet? (need
                   4795:                           # to close it later)
                   4796: 
1.585     raeburn  4797:     if (($perm{'pav'} and $perm{'vgr'}) or 
1.170     sakharuk 4798: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   4799: 	&addMessage('<br />'
                   4800:                    .'<h3>'.&mt('Print Options').'</h3>'
                   4801:                    .&Apache::lonhtmlcommon::start_pick_box()
                   4802:                    .&Apache::lonhtmlcommon::row_title(
                   4803:                        '<label for="ANSWER_TYPE_forminput">'
                   4804:                       .&mt('Print Answers')
                   4805:                       .'</label>'
                   4806:                     )
                   4807:         );
1.161     bowersj2 4808:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 4809: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   4810: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 4811:         $paramHash->{CHOICES} = [
1.242     sakharuk 4812:                                    ['Without Answers', 'yes'],
                   4813:                                    ['With Answers', 'no'],
1.368     albertel 4814:                                    ['Only Answers', 'only']
1.289     sakharuk 4815:                                 ];
1.210     sakharuk 4816:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4817: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 4818: 	$startedTable = 1;
1.556     foxr     4819: 
                   4820: #
                   4821: #  Select font size.
                   4822: #
                   4823: 
                   4824:             $helper->declareVar('fontsize');
                   4825:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   4826:             my $xmlfrag = << "FONT_SELECTION";
                   4827: 
                   4828:           
                   4829:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   4830:             <defaultvalue>
                   4831: 		  return 'normalsize';
                   4832:             </defaultvalue>
                   4833:             <choice computer='tiny'>Tiny</choice>
                   4834:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   4835:             <choice computer='footnotesize'>Footnote Size</choice>
                   4836:             <choice computer='small'>Small</choice>
                   4837:             <choice computer='normalsize'>Normal (default)</choice>
                   4838:             <choice computer='large'>larger than normal</choice>
                   4839:             <choice computer='Large'>Even larger than normal</choice>
                   4840:             <choice computer='LARGE'>Still larger than normal</choice>
                   4841:             <choice computer='huge'>huge font size</choice>
                   4842:             <choice computer='Huge'>Largest possible size</choice>
                   4843:             </dropdown>
                   4844: FONT_SELECTION
                   4845:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   4846:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 4847:     }
1.209     sakharuk 4848: 
1.397     albertel 4849:     if ($perm{'pav'}) {
1.223     bowersj2 4850: 	if (!$startedTable) {
1.497     www      4851: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   4852:                        '<label for="LATEX_TYPE_forminput">'.
                   4853:                        &mt('LaTeX mode').
                   4854:                        "</label>: </td><td>");
1.223     bowersj2 4855: 	    $startedTable = 1;
                   4856: 	} else {
1.544     bisitz   4857: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4858:                            '<label for="LATEX_TYPE_forminput">'
                   4859:                            .&mt('LaTeX mode')
                   4860:                            .'</label>'
                   4861:                         )
                   4862:             );
1.223     bowersj2 4863: 	}
1.203     sakharuk 4864:         $paramHash = Apache::lonhelper::getParamHash();
                   4865: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   4866: 	$helper->declareVar('LATEX_TYPE');  
                   4867: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   4868: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4869: 				     ['standard LaTeX mode', 'standard'], 
                   4870: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 4871: 	} else {
                   4872: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4873: 				     ['LaTeX batchmode', 'batchmode'],
                   4874: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 4875: 	}
1.210     sakharuk 4876:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 4877:  
1.544     bisitz   4878: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   4879:                    .&Apache::lonhtmlcommon::row_title(
                   4880:                         '<label for="TABLE_CONTENTS_forminput">'
                   4881:                        .&mt('Print Table of Contents')
                   4882:                        .'</label>'
                   4883:                     )
                   4884:         );
1.209     sakharuk 4885:         $paramHash = Apache::lonhelper::getParamHash();
                   4886: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   4887: 	$helper->declareVar('TABLE_CONTENTS');         
                   4888:         $paramHash->{CHOICES} = [
1.223     bowersj2 4889:                                    ['No', 'no'],
                   4890:                                    ['Yes', 'yes'] ];
1.210     sakharuk 4891:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4892: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 4893:         
1.220     sakharuk 4894: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   4895: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4896:                             '<label for="TABLE_INDEX_forminput">'
                   4897:                            .&mt('Print Index')
                   4898:                            .'</label>'
                   4899:                         )
                   4900:             );
1.220     sakharuk 4901: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4902: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   4903: 	    $helper->declareVar('TABLE_INDEX');         
                   4904: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4905: 				     ['No', 'no'],
                   4906: 				     ['Yes', 'yes'] ];
1.220     sakharuk 4907: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4908:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   4909:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   4910:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   4911:                            .&mt('Print Discussions')
                   4912:                            .'</label>'
                   4913:                         )
                   4914:             );
1.309     sakharuk 4915: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4916: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4917: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4918: 	    $paramHash->{CHOICES} = [
                   4919: 				     ['No', 'no'],
                   4920: 				     ['Yes', 'yes'] ];
                   4921: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4922:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4923: 
1.511     foxr     4924: 	    # Prompt for printing annotations too.
                   4925: 		
1.545     bisitz   4926: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4927:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4928:                            .&mt('Print Annotations')
                   4929:                            .'</label>'
                   4930:                         )
                   4931:             );
1.511     foxr     4932: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4933: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4934: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4935: 	    $paramHash->{CHOICES} = [
                   4936: 				     ['No', 'no'],
                   4937: 				     ['Yes', 'yes']];
                   4938: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4939:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4940: 
1.545     bisitz   4941:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4942: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4943: 	    $paramHash->{'multichoice'} = "true";
                   4944: 	    $paramHash->{'allowempty'}  = "true";
                   4945: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4946: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4947: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4948:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4949: 	}
1.219     sakharuk 4950: 
1.230     albertel 4951: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4952: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4953:             my $randseedtext=&mt("Use random seed");
                   4954:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4955:             my $selectfiletext=&mt("Select style file");
1.497     www      4956: 
1.544     bisitz   4957: 	    my $xmlfrag .= '<message>'
                   4958:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4959:                                               .$randseedtext
                   4960:                                               .'</label>'
                   4961:              )
                   4962:             .'</message>
                   4963:             <string variable="curseed" size="15" maxlength="15">
                   4964:                 <defaultvalue>
                   4965:                    return '.$helper->{VARS}->{'curseed'}.';
                   4966:                 </defaultvalue>'
                   4967:             .'</string>'
                   4968:             .'<message>'
                   4969:             .&Apache::lonhtmlcommon::row_closure()
                   4970:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4971:                                               .$stylefiletext
                   4972:                                               .'</label>'
                   4973:              )
                   4974:             .'</message>
1.504     albertel 4975:              <string variable="style_file" size="40">
1.544     bisitz   4976:                 <defaultvalue>
                   4977:                     return '.$stylevalue.';
                   4978:                 </defaultvalue>
                   4979:              </string><message>&nbsp;'
                   4980: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4981: .$selectfiletext.'</a>'
                   4982:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4983:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4984:             .'</message>
1.371     foxr     4985: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4986:                 <choice computer="1">&nbsp;</choice>
                   4987:              </choices>'
                   4988: 	    .'<message>'
                   4989:             .&Apache::lonhtmlcommon::row_closure()
                   4990:             .'</message>';
1.230     albertel 4991:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4992: 
                   4993: 
1.544     bisitz   4994:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4995: 	    #
                   4996: 	    # Initial value from construction space:
                   4997: 	    #
                   4998: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4999: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   5000: 	    }
1.518     foxr     5001: 	    $xmlfrag = << "PROBTYPE";
                   5002: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   5003: 		   <defaultvalue>
                   5004: 		      return "$helper->{VARS}->{'probstatus'}";
                   5005:                    </defaultvalue>
                   5006: 		   <choice computer="problem">Homework Problem</choice>
1.628     bisitz   5007: 		   <choice computer="exam">Bubblesheet Exam Problem</choice>
1.518     foxr     5008: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  5009:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     5010: 		</dropdown>
                   5011: PROBTYPE
                   5012:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   5013:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     5014: 
1.556     foxr     5015: 
                   5016: 
1.544     bisitz   5017:         }
1.223     bowersj2 5018:     }
1.264     sakharuk 5019: 
                   5020: 
                   5021: 
1.218     sakharuk 5022: 
1.223     bowersj2 5023:     if ($startedTable) {
1.544     bisitz   5024:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 5025:     }
1.161     bowersj2 5026: 
1.131     bowersj2 5027:     Apache::lonprintout::page_format_state->new("FORMAT");
                   5028: 
1.144     bowersj2 5029:     # Generate the PAGESIZE state which will offer the user the margin
                   5030:     # choices if they select one column
                   5031:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   5032:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   5033: 
                   5034: 
1.131     bowersj2 5035:     $helper->process();
                   5036: 
1.416     foxr     5037: 
1.131     bowersj2 5038:     # MANUAL BAILOUT CONDITION:
                   5039:     # If we're in the "final" state, bailout and return to handler
                   5040:     if ($helper->{STATE} eq 'FINAL') {
                   5041:         return $helper;
                   5042:     }    
1.130     sakharuk 5043: 
1.584     raeburn  5044:     my $footer;
1.395     www      5045:     if ($helper->{STATE} eq 'START') {
1.584     raeburn  5046:         my $prtspool=$r->dir_config('lonPrtDir'); 
                   5047: 	$footer = &recently_generated($prtspool);
1.395     www      5048:     }
1.584     raeburn  5049:     $r->print($helper->display($footer));
1.333     albertel 5050:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 5051: 
                   5052:     return OK;
                   5053: }
                   5054: 
1.1       www      5055: 
                   5056: 1;
1.119     bowersj2 5057: 
                   5058: package Apache::lonprintout::page_format_state;
                   5059: 
                   5060: =pod
                   5061: 
1.131     bowersj2 5062: =head1 Helper element: page_format_state
                   5063: 
                   5064: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 5065: 
1.131     bowersj2 5066: Apache::lonprintout::page_format_state is an element that gives the 
                   5067: user an opportunity to select the page layout they wish to print 
                   5068: with: Number of columns, portrait/landscape, and paper size. If you 
                   5069: want to change the paper size choices, change the @paperSize array 
                   5070: contents in this package.
1.119     bowersj2 5071: 
1.131     bowersj2 5072: page_format_state is always directly invoked in lonprintout.pm, so there
                   5073: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 5074: 
                   5075: =over 4
                   5076: 
1.131     bowersj2 5077: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 5078: 
                   5079: =back
                   5080: 
                   5081: =cut
                   5082: 
1.131     bowersj2 5083: use Apache::lonhelper;
1.119     bowersj2 5084: 
                   5085: no strict;
1.131     bowersj2 5086: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 5087: use strict;
1.266     sakharuk 5088: use Apache::lonlocal;
1.373     albertel 5089: use Apache::lonnet;
1.119     bowersj2 5090: 
                   5091: my $maxColumns = 2;
1.376     albertel 5092: # it'd be nice if these all worked
                   5093: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   5094: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   5095: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   5096: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 5097: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 5098: 		 "a4 [210x297 mm]");
1.119     bowersj2 5099: 
                   5100: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   5101: #                   Paper type
                   5102: 
                   5103: sub new { 
1.131     bowersj2 5104:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 5105: 
1.135     bowersj2 5106:     shift;
                   5107: 
1.131     bowersj2 5108:     $self->{'variable'} = shift;
1.134     bowersj2 5109:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 5110:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 5111:     bless($self);
1.119     bowersj2 5112:     return $self;
                   5113: }
                   5114: 
                   5115: sub render {
                   5116:     my $self = shift;
1.131     bowersj2 5117:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 5118:     my $result = '';
1.131     bowersj2 5119:     my $var = $self->{'variable'};
1.266     sakharuk 5120:     my $PageLayout=&mt('Page layout');
                   5121:     my $NumberOfColumns=&mt('Number of columns');
                   5122:     my $PaperType=&mt('Paper type');
1.506     albertel 5123:     my $landscape=&mt('Landscape');
                   5124:     my $portrait=&mt('Portrait');
1.641     bisitz   5125:     my $pdfFormLabel=&mt('PDF Form Fields');
                   5126:     my $with=&mt('with Form Fields');
                   5127:     my $without=&mt('without Form Fields');
1.556     foxr     5128:     
                   5129: 
1.544     bisitz   5130:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   5131:             .&Apache::loncommon::start_data_table()
                   5132:             .&Apache::loncommon::start_data_table_header_row()
                   5133:             .'<th>'.$PageLayout.'</th>'
                   5134:             .'<th>'.$NumberOfColumns.'</th>'
                   5135:             .'<th>'.$PaperType.'</th>'
                   5136:             .'<th>'.$pdfFormLabel.'</th>'
                   5137:             .&Apache::loncommon::end_data_table_header_row()
                   5138:             .&Apache::loncommon::start_data_table_row()
                   5139:     .'<td>'
                   5140:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   5141:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   5142:     .'</td>';
1.119     bowersj2 5143: 
1.544     bisitz   5144:     $result.='<td align="center">'
                   5145:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 5146: 
                   5147:     my $i;
                   5148:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 5149:         if ($i == 2) {
1.553     bisitz   5150:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 5151:         } else {
1.553     bisitz   5152:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 5153:         }
                   5154:     }
                   5155: 
                   5156:     $result .= "</select></td><td>\n";
                   5157:     $result .= "<select name='${var}.paper'>\n";
                   5158: 
1.373     albertel 5159:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 5160:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   5161:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 5162:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 5163:     $i = 0;
                   5164:     foreach (@paperSize) {
1.326     sakharuk 5165: 	$_=~/(\w+)/;
                   5166: 	my $papersize=$1;
1.304     sakharuk 5167:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   5168:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 5169:         } else {
1.553     bisitz   5170:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 5171:         }
                   5172:         $i++;
                   5173:     }
1.539     onken    5174:     $result .= <<HTML;
                   5175:         </select>
                   5176:     </td>
                   5177:     <td align='center'>
                   5178:         <select name='${var}.pdfFormFields'>
1.553     bisitz   5179:             <option selected="selected" value="no">$without</option>
                   5180:             <option value="yes">$with</option>
1.539     onken    5181:         </select>
                   5182:     </td>
                   5183: HTML
1.544     bisitz   5184:     $result.=&Apache::loncommon::end_data_table_row()
                   5185:             .&Apache::loncommon::end_data_table();
1.539     onken    5186: 
1.119     bowersj2 5187:     return $result;
1.135     bowersj2 5188: }
                   5189: 
                   5190: sub postprocess {
                   5191:     my $self = shift;
                   5192: 
                   5193:     my $var = $self->{'variable'};
1.136     bowersj2 5194:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 5195:     $helper->{VARS}->{$var} = 
1.373     albertel 5196:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    5197:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 5198:     return 1;
1.119     bowersj2 5199: }
                   5200: 
                   5201: 1;
1.144     bowersj2 5202: 
                   5203: package Apache::lonprintout::page_size_state;
                   5204: 
                   5205: =pod
                   5206: 
                   5207: =head1 Helper element: page_size_state
                   5208: 
                   5209: See lonhelper.pm documentation for discussion of the helper framework.
                   5210: 
                   5211: Apache::lonprintout::page_size_state is an element that gives the 
                   5212: user the opportunity to further refine the page settings if they
                   5213: select a single-column page.
                   5214: 
                   5215: page_size_state is always directly invoked in lonprintout.pm, so there
                   5216: is no tag interface. You actually pass parameters to the constructor.
                   5217: 
                   5218: =over 4
                   5219: 
                   5220: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   5221: 
                   5222: =back
                   5223: 
                   5224: =cut
                   5225: 
                   5226: use Apache::lonhelper;
1.373     albertel 5227: use Apache::lonnet;
1.144     bowersj2 5228: no strict;
                   5229: @ISA = ("Apache::lonhelper::element");
                   5230: use strict;
                   5231: 
                   5232: 
                   5233: 
                   5234: sub new { 
                   5235:     my $self = Apache::lonhelper::element->new();
                   5236: 
                   5237:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   5238:            # package descriptor)... - Jeremy
                   5239: 
                   5240:     $self->{'variable'} = shift;
                   5241:     my $helper = Apache::lonhelper::getHelper();
                   5242:     $helper->declareVar($self->{'variable'});
                   5243: 
                   5244:     # The variable name of the format element, so we can look into 
                   5245:     # $helper->{VARS} to figure out whether the columns are one or two
                   5246:     $self->{'formatvar'} = shift;
                   5247: 
1.463     foxr     5248: 
1.144     bowersj2 5249:     $self->{NEXTSTATE} = shift;
                   5250:     bless($self);
1.467     foxr     5251: 
1.144     bowersj2 5252:     return $self;
                   5253: }
                   5254: 
                   5255: sub render {
                   5256:     my $self = shift;
                   5257:     my $helper = Apache::lonhelper::getHelper();
                   5258:     my $result = '';
                   5259:     my $var = $self->{'variable'};
                   5260: 
1.467     foxr     5261: 
                   5262: 
1.144     bowersj2 5263:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 5264:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 5265:     }
                   5266: 
1.438     foxr     5267:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     5268: 
                   5269:     # Use format to get sensible defaults for the margins:
                   5270: 
                   5271: 
                   5272:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5273:     ($papersize)                      = split(/ /, $papersize);
                   5274: 
1.559     foxr     5275:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     5276: 
                   5277: 
                   5278: 
1.464     albertel 5279:     my %size;
                   5280:     ($size{'width_and_units'},
                   5281:      $size{'height_and_units'},
                   5282:      $size{'margin_and_units'})=
                   5283: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     5284:     
1.464     albertel 5285:     foreach my $dimension ('width','height','margin') {
                   5286: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   5287: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   5288:        	
                   5289: 	foreach my $unit ('cm','in') {
                   5290: 	    $size{$dimension.'_options'} .= '<option ';
                   5291: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   5292: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   5293: 	    }
                   5294: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   5295: 	}
1.438     foxr     5296:     }
                   5297: 
1.470     foxr     5298:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   5299: 
                   5300:     if ($size{'margin_unit'} eq 'in') {
                   5301: 	$size{'margin'} += 1;
                   5302:     }  else {
                   5303: 	$size{'margin'} += 2.54;
                   5304:     }
1.548     bisitz   5305:     my %lt = &Apache::lonlocal::texthash(
                   5306:         'format' => 'How should each column be formatted?',
                   5307:         'width'  => 'Width',
                   5308:         'height' => 'Height',
                   5309:         'margin' => 'Left Margin'
                   5310:     );
                   5311: 
                   5312:     $result .= '<p>'.$lt{'format'}.'</p>'
                   5313:               .&Apache::lonhtmlcommon::start_pick_box()
                   5314:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   5315:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   5316:               .'<select name="'.$var.'.widthunit">'
                   5317:               .$size{'width_options'}
                   5318:               .'</select>'
                   5319:               .&Apache::lonhtmlcommon::row_closure()
                   5320:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   5321:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   5322:               .'<select name="'.$var.'.heightunit">'
                   5323:               .$size{'height_options'}
                   5324:               .'</select>'
                   5325:               .&Apache::lonhtmlcommon::row_closure()
                   5326:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   5327:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   5328:               .'<select name="'.$var.'.lmarginunit">'
                   5329:               .$size{'margin_options'}
                   5330:               .'</select>'
                   5331:               .&Apache::lonhtmlcommon::row_closure(1)
                   5332:               .&Apache::lonhtmlcommon::end_pick_box();
                   5333:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   5334:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 5335: 
                   5336:     return $result;
                   5337: }
                   5338: 
1.470     foxr     5339: 
1.144     bowersj2 5340: sub preprocess {
                   5341:     my $self = shift;
                   5342:     my $helper = Apache::lonhelper::getHelper();
                   5343: 
                   5344:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     5345: 
                   5346:     #  If the user does not have 'pav' privilege, set default widths and
                   5347:     #  on to the next state right away.
                   5348:     #
                   5349:     if (!$perm{'pav'}) {
                   5350: 	my $var = $self->{'variable'};
                   5351: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   5352: 	
                   5353: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5354: 	($papersize)                      = split(/ /, $papersize);
                   5355: 	
                   5356: 	
1.560     foxr     5357: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     5358: 
1.467     foxr     5359: 	#  Figure out some good defaults for the print out and set them:
                   5360: 	
                   5361: 	my %size;
                   5362: 	($size{'width'},
                   5363: 	 $size{'height'},
                   5364: 	 $size{'lmargin'})=
                   5365: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   5366: 	
                   5367: 	foreach my $dim ('width', 'height', 'lmargin') {
                   5368: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     5369: 	    	    
1.467     foxr     5370: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   5371: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   5372: 	    
                   5373: 	}
                   5374: 	
                   5375: 
                   5376: 	# Transition to the next state
                   5377: 
                   5378: 	$helper->changeState($self->{NEXTSTATE});
                   5379:     }
1.144     bowersj2 5380:    
                   5381:     return 1;
                   5382: }
                   5383: 
                   5384: sub postprocess {
                   5385:     my $self = shift;
                   5386: 
                   5387:     my $var = $self->{'variable'};
                   5388:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 5389:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   5390:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   5391:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   5392:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   5393:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   5394:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 5395: 
                   5396:     my $error = '';
                   5397: 
                   5398:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   5399:     # by an optional period, followed by digits, ending the string
                   5400: 
1.464     albertel 5401:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5402:         $error .= "Invalid width; please type only a number.<br />\n";
                   5403:     }
1.464     albertel 5404:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5405:         $error .= "Invalid height; please type only a number.<br />\n";
                   5406:     }
1.464     albertel 5407:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5408:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     5409:     } else {
                   5410: 	# Adjust for LaTeX 1.0 inch margin:
                   5411: 
                   5412: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   5413: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   5414: 	} else {
                   5415: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   5416: 	}
1.144     bowersj2 5417:     }
                   5418: 
                   5419:     if (!$error) {
                   5420:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   5421:         return 1;
                   5422:     } else {
                   5423:         $self->{ERROR_MSG} = $error;
                   5424:         return 0;
                   5425:     }
                   5426: }
                   5427: 
1.1       www      5428: __END__
1.6       sakharuk 5429: 

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