Annotation of loncom/interface/lonprintout.pm, revision 1.616

1.389     foxr        1: # The LearningOnline Network
1.1       www         2: # Printout
                      3: #
1.616   ! foxr        4: # $Id: lonprintout.pm,v 1.615 2012/04/10 09:49:36 foxr Exp $
1.11      albertel    5: #
                      6: # Copyright Michigan State University Board of Trustees
                      7: #
                      8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
                      9: #
                     10: # LON-CAPA is free software; you can redistribute it and/or modify
                     11: # it under the terms of the GNU General Public License as published by
                     12: # the Free Software Foundation; either version 2 of the License, or
                     13: # (at your option) any later version.
                     14: #
                     15: # LON-CAPA is distributed in the hope that it will be useful,
                     16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
                     17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
                     18: # GNU General Public License for more details.
                     19: #
                     20: # You should have received a copy of the GNU General Public License
                     21: # along with LON-CAPA; if not, write to the Free Software
                     22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
                     23: #
                     24: # /home/httpd/html/adm/gpl.txt
                     25: # http://www.lon-capa.org/
                     26: #
1.3       sakharuk   27: #
1.1       www        28: package Apache::lonprintout;
                     29: use strict;
1.615     foxr       30: use POSIX;
1.10      albertel   31: use Apache::Constants qw(:common :http);
1.2       sakharuk   32: use Apache::lonxml;
                     33: use Apache::lonnet;
1.54      sakharuk   34: use Apache::loncommon;
1.13      sakharuk   35: use Apache::inputtags;
1.54      sakharuk   36: use Apache::grades;
1.13      sakharuk   37: use Apache::edit;
1.5       sakharuk   38: use Apache::File();
1.68      sakharuk   39: use Apache::lonnavmaps;
1.511     foxr       40: use Apache::admannotations;
1.521     foxr       41: use Apache::lonenc;
1.531     foxr       42: use Apache::entities;
1.550     foxr       43: use Apache::londefdef;
1.612     foxr       44: # use Apache::structurelags;	# for language management.
1.550     foxr       45: 
                     46: use File::Basename;
1.531     foxr       47: 
1.515     foxr       48: use HTTP::Response;
1.491     albertel   49: use LONCAPA::map();
1.616   ! foxr       50: use POSIX qw(ctime);
1.255     www        51: use Apache::lonlocal;
1.429     foxr       52: use Carp;
1.439     www        53: use LONCAPA;
1.60      sakharuk   54: 
1.588     foxr       55: 
1.397     albertel   56: my %perm;
1.454     foxr       57: my %parmhash;
1.459     foxr       58: my $resources_printed;
1.454     foxr       59: 
1.515     foxr       60: # Global variables that describe errors in ssi calls detected  by ssi_with_retries.
                     61: #
                     62: 
                     63: my $ssi_error;			# True if there was an ssi error.
                     64: my $ssi_last_error_resource;	# The resource URI that could not be fetched.
                     65: my $ssi_last_error;		# The error text from the server. (e.g. 500 Server timed out).
                     66: 
                     67: #
                     68: #  Our ssi max retry count.
                     69: #
                     70: 
                     71: my $ssi_retry_count = 5;	# Some arbitrary value.
                     72: 
                     73: 
1.556     foxr       74: #  Font size:
                     75: 
                     76: my $font_size = 'normalsize';	# Default is normalsize...
                     77: 
1.562     foxr       78: #----------------------------  Helper helpers. -------------------------
                     79: 
1.616   ! foxr       80: ## 
        !            81: # Filter function to determine if a resource is a printable sequence.
        !            82: #
        !            83: # @param $res -Resource to check.
        !            84: #
        !            85: # @return 1 - printable and a resource
        !            86: #         0 - either notm a sequence or not printable.
        !            87: #
        !            88: sub printable_sequence {
        !            89:     my $res = shift;
        !            90: 
        !            91:     # Non-sequences are not listed:
        !            92: 
        !            93:     if (!$res->is_sequence()) {
        !            94: 	return 0;
        !            95:     }
        !            96: 
        !            97:     # Person with pav or pfo can always print:
        !            98: 
        !            99:     if ($perm{'pav'} || $perm{'pfo'}) {
        !           100: 	return 1;
        !           101:     }
        !           102: 
        !           103:     if ($res->is_sequence()) {
        !           104: 	my $symb = $res->symb();
        !           105: 	&Apache::lonnet::logthis("Symb: $symb");
        !           106: 	my $navmap   = $res->{NAV_MAP};
        !           107: 
        !           108: 	# Find the first resource in the map:
        !           109: 
        !           110: 	my $iterator = $navmap->getIterator($res, undef, undef, 1, 1);
        !           111: 	my $first    = $iterator->next();
        !           112: 
        !           113: 	while (1) {
        !           114: 	    if ($first == $iterator->END_ITERATOR) {
        !           115: 		&Apache::lonnet::logthis("End of iterator");
        !           116: 		last; }
        !           117: 	    if (ref($first)) {
        !           118: 		&Apache::lonnet::logthis("Looking at: " . $first->symb());
        !           119: 	    } else {
        !           120: 		&Apache::lonnet::logthis("Got: $first");
        !           121: 	    }
        !           122: 	    if (ref($first) && ! $first->is_sequence()) {last; }
        !           123: 	    $first = $iterator->next();
        !           124: 	}
        !           125: 
        !           126: 
        !           127: 	# Might be an empty map:
        !           128: 
        !           129: 	if (!ref($first)) {
        !           130: 	    &Apache::lonnet::logthis("printable_sequence: empty");
        !           131: 	    return 0;
        !           132: 	}
        !           133: 	my $partsref = $first->parts();
        !           134: 	my @parts    = @$partsref;
        !           135: 	&Apache::lonnet::logthis("Dates for " . $first->symb());
        !           136: 	my ($open, $close) = $navmap->map_printdates($first, $parts[0]);
        !           137: 	&Apache::lonnet::logthis("Opens $open, closes $close");
        !           138: 	&Apache::lonnet::logthis(ctime($open));
        !           139: 	&Apache::lonnet::logthis(ctime($close));
        !           140: 	return &printable($open, $close);
        !           141:     }
        !           142:     return 0;
        !           143: }
        !           144: 
1.590     foxr      145: # BZ5209:
                    146: #    Create the states needed to run the helper for incomplete problems from
                    147: #    the current folder for selected students.
                    148: #    This includes:
                    149: #    -  A resource selector limited to problems (incompleteness must be
                    150: #       calculated on a student per student basis.
                    151: #    -  A student selector.
                    152: #    -  Tie in to the FORMAT of the print job.
                    153: #
                    154: # States:
                    155: #   CHOOSE_INCOMPLETE_PEOPLE_SEQ      - Resource selection.
                    156: #   CHOOSE_STUDENTS_INCOMPLETE        - Student selection.
                    157: #   CHOOSE_STUDENTS_INCOMPLETE_FORMAT - Format selection
                    158: # Parameters:
                    159: #    helper - the helper which already contains info about the current folder we can
                    160: #             purloin.
                    161: #    url    - Top url of the sequence
                    162: # Return:
                    163: #     XML that can be parsed by the helper to drive the state machine.
                    164: #
                    165: sub create_incomplete_folder_selstud_helper($helper)
                    166: {
                    167:     my ($helper, $map)  = @_;
                    168: 
                    169: 
                    170:     my $symbFilter = '$res->shown_symb()';
                    171:     my $selFilter   = '$res->is_problem()';
                    172: 
                    173: 
                    174:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_PEOPLE_SEQ',
                    175: 						      'Select problem(s) to print',
                    176: 						      'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                    177: 						      'RESOURCES',
                    178: 						      'CHOOSE_STUDENTS_INCOMPLETE',
                    179: 						      $map,
                    180: 						      $selFilter,
                    181: 						      '',
                    182: 						      $symbFilter, 
                    183: 						      '');
                    184: 
                    185:     my $student_chooser = &generate_student_chooser('CHOOSE_STUDENTS_INCOMPLETE',
                    186: 						 'student_sort',
                    187: 						 'STUDENTS',
                    188: 						 'CHOOSE_STUDENTS_INCOMPLETE_FORMAT');
                    189: 
                    190:     my $format_chooser = &generate_format_selector($helper,
                    191: 						'Format of the print job',
1.598     raeburn   192: 						'CHOOSE_STUDENTS_INCOMPLETE_FORMAT'); # end state.
1.590     foxr      193: 
                    194:     return $resource_chooser . $student_chooser . $format_chooser;
                    195: }  
                    196: 
                    197: 
                    198: # BZ 5209
                    199: #     Create the states needed to run the helper for incomplete problems from
                    200: #     the current folder for selected students.
                    201: #     This includes:
                    202: #     - A resource selector limited to problems.  (incompleteness must be calculated
                    203: #       on a student per student basis.
                    204: #     - A student selector.
                    205: #     - Tie in to format for the print job.
                    206: # States:
                    207: #    INCOMPLETE_PROBLEMS_COURSE_RESOURCES - Resource selector.
                    208: #    INCOMPLETE_PROBLEMS_COURSE_STUDENTS  - Student selector.
                    209: #    INCOMPLETE_PROBLEMS_COURSE_FORMAT    - Format selection.
                    210: #
                    211: # Parameters:
                    212: #   helper   - Helper we are creating states for.
                    213: # Returns:
                    214: #   Text that can be parsed by the helper.
                    215: # 
                    216: 
                    217: sub create_incomplete_course_helper {
                    218:     my $helper = shift;
                    219: 
                    220:     my $filter = '$res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                    221:     my $symbfilter = '$res->shown_symb()';
                    222:     
                    223:     my $resource_chooser = &generate_resource_chooser('INCOMPLETE_PROBLEMS_COURSE_RESOURCES',
                    224: 						      'Select problem(s) to print',
                    225: 						      'multichoice = "1" suppressEmptySequences="0" addstatus="1" closeallpagtes="1"',
                    226: 						      'RESOURCES',
                    227: 						      'INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    228: 						      '',
                    229: 						      $filter,
                    230: 						      '',
                    231: 						      $symbfilter,
                    232: 						      '');
                    233: 
                    234:     my $people_chooser  = &generate_student_chooser('INCOMPLETE_PROBLEMS_COURSE_STUDENTS',
                    235: 						    'student_sort',
                    236: 						    'STUDENTS',
                    237: 						    'INCOMPLETE_PROBLEMS_COURSE_FORMAT');
                    238: 
                    239:     my $format = &generate_format_selector($helper,
                    240: 					   'Format of the print job',
                    241: 					   'INCOMPLETE_PROBLEMS_COURSE_FORMAT'); # end state.
                    242: 
                    243:     return $resource_chooser . $people_chooser . $format;
                    244: 
                    245: 
                    246: }
                    247: 
                    248: # BZ5209 
                    249: #   Creates the states needed to run the print helper for a student
                    250: #   that wants to print his incomplete problems from the current folder.
                    251: # Parameters:
                    252: #   $helper - helper we are generating states for.
                    253: #   $map    - The map for which the student wants incomplete problems.
                    254: # Returns:
                    255: #   XML that defines the helper states being created.
                    256: #
                    257: # States:
                    258: #   CHOOSE_INCOMPLETE_SEQ  - Resource selector.
                    259: #
                    260: sub create_incomplete_folder_helper {
                    261:     my ($helper, $map) = @_;
                    262: 
                    263:     my $filter    = '$res->is_problem()';
                    264:     $filter      .= ' && $res->resprintable() ';
                    265:     $filter      .= ' && $res->is_incomplete() ';
                    266: 
                    267:     my $symfilter = '$res->shown_symb()';
                    268: 
                    269:     my $resource_chooser = &generate_resource_chooser('CHOOSE_INCOMPLETE_SEQ',
                    270: 						      'Select problem(s) to print',
                    271: 						      'multichoice="1", toponly ="1", addstatus="1", closeallpages="1"',
                    272: 						      'RESOURCES',
                    273: 						      'PAGESIZE',
                    274: 						      $map,
                    275: 						      $filter, '', 
                    276: 						      $symfilter,
                    277: 						      '');
                    278: 
                    279:     return $resource_chooser;
                    280: }
                    281: 
                    282: 
                    283: #  Returns the text neded for a student chooser.
1.562     foxr      284: #  that text must still be parsed by the helper xml parser.
                    285: # Parameters:
                    286: #   this_state   - State name of the chooser.
                    287: #   sort_choice  - variable to hold the sorting choice.
                    288: #   variable     - Name of variable to hold students.
                    289: #   next_state   - State after chooser.
                    290: 
                    291: 
                    292: sub generate_student_chooser {
                    293:     my ($this_state, 
                    294: 	$sort_choice, 
                    295: 	$variable, 
                    296: 	$next_state) = @_;
                    297:     my $result = <<CHOOSE_STUDENTS;
                    298:   <state name="$this_state" title="Select Students and Resources">
                    299:       <message><b>Select sorting order of printout</b> </message>
                    300: 
                    301:     <choices variable="$sort_choice">
                    302:       <choice computer='0'>Sort by section then student</choice>
                    303:       <choice computer='1'>Sort by students across sections.</choice>
                    304:     </choices>
                    305: 
                    306:       <message><br /><hr /><br /> </message>
                    307:       <student multichoice='1' 
                    308:                variable="$variable" 
                    309:                nextstate="$next_state" 
                    310:                coursepersonnel="1" />
                    311:   </state>
                    312: 
                    313: CHOOSE_STUDENTS
                    314: 
                    315:   return $result;
                    316: }
                    317: 
                    318: # Generate the text needed for a resource chooser given the top level of
                    319: # the sequence/page
                    320: #
                    321: # Parameters:
                    322: #     this_state    - State name of the chooser.
                    323: #     prompt_text   - Text to use to prompt user.
                    324: #     resource_options - Resource tag options e.g.
                    325: #                        "multichoice='1', toponly='1', addstatus='1'"
                    326: #                     that control the selection and appearance of the
                    327: #                     resource selector.
                    328: #     variable      - Name of the variable to hold the choice
                    329: #     next_state    - Name of the next state the helper should transition
                    330: #                     to
                    331: #     top_url       - Top level URL within which to make the selector.
                    332: #                     If empty the top level sequence is shown.
                    333: #     filter        - How to filter the resources.
                    334: #     value_func    - <valuefunc> function.
                    335: #     choice_func   - If not empty generates a <choicefunc> with this function.
                    336: #     start_new_option 
                    337: #                   - Fragment appended after valuefunc.
                    338: #
                    339: #
                    340: sub generate_resource_chooser {
                    341:     my ($this_state,
                    342: 	$prompt_text,
                    343: 	$resource_options,
                    344: 	$variable,
                    345: 	$next_state,
                    346: 	$top_url,
                    347: 	$filter,
                    348: 	$choice_func,
                    349: 	$value_func,
                    350: 	$start_new_option)  = @_;
                    351: 
                    352:     my $result = <<CHOOSE_RESOURCES;
                    353: <state name="$this_state" title="$prompt_text">
                    354:     <resource variable="$variable" $resource_options
                    355:               closeallpages="1">
                    356:       <nextstate>$next_state</nextstate>
                    357:       <filterfunc>return $filter;</filterfunc>
                    358: CHOOSE_RESOURCES
                    359:     if ($choice_func ne '') {
                    360: 	$result .= "<choicefunc>return $choice_func;</choicefunc>";
                    361:     }
                    362:     if ($top_url ne '') {
                    363: 	$result .=  "<mapurl>$top_url</mapurl>";
                    364:     }
                    365:     $result .= <<CHOOSE_RESOURCES;
                    366:       <valuefunc>return $value_func;</valuefunc>
                    367:       $start_new_option
                    368:       </resource>
                    369:     </state>
                    370: CHOOSE_RESOURCES
                    371:     return $result;
                    372: }
                    373: #
                    374: #   Generate the helper XML for a code choice helper dialog:
                    375: #
                    376: # Paramters:
                    377: #   $helper       - Reference to the helper.
                    378: #   $state        - Name of the state for the chooser.
                    379: #   $next_state   - Name fo the state to follow the chooser.
                    380: #   $bubble_types - Populates the bubble sheet type dropt down.
                    381: #   $code_selections - Provides set of code choices that have been used
                    382: #   $saved_codes  - Provides the list of saved codes.
                    383: #
                    384: # Returns;
                    385: #   The Xml of the code chooser.
                    386: #
                    387: sub generate_code_selector {
                    388:     my ($helper,
                    389: 	$state,
                    390: 	$next_state,
                    391: 	$bubble_types,
                    392: 	$code_selections,
                    393: 	$saved_codes) = @_;	# Unpack the parameters.
                    394: 
                    395:     my $result = <<CHOOSE_ANON1;
                    396:   <state name="$state" title="Specify CODEd Assignments">
                    397:     <nextstate>$next_state</nextstate>
                    398:     <message><h4>Fill out one of the forms below</h4></message>
                    399:     <message><br /><hr /> <br /></message>
                    400:     <message><h3>Generate new CODEd Assignments</h3></message>
                    401:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr      402:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.562     foxr      403:        <validator>
                    404: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
                    405: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
                    406:             !\$helper->{'VARS'}{'SINGLE_CODE'}                    &&
1.578     foxr      407: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'} ) {
                    408: 
1.562     foxr      409: 	    return "You need to specify the number of assignments to print";
                    410: 	}
1.578     foxr      411:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                    412:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                    413:             return 'Specifying number of codes to print and a specific code is not compatible';
                    414:         }
1.562     foxr      415: 	return undef;
                    416:        </validator>
                    417:     </string>
                    418:     <message></td></tr><tr><td></message>
                    419:     <message><b>Names to save the CODEs under for later:</b></message>
                    420:     <message></td><td></message>
                    421:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                    422:     <message></td></tr><tr><td></message>
1.599     raeburn   423:     <message><b>Bubblesheet type:</b></message>
1.562     foxr      424:     <message></td><td></message>
                    425:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                    426:     $bubble_types
                    427:     </dropdown>
                    428:     <message></td></tr><tr><td colspan="2"></td></tr><tr><td></message>
                    429:     <message></td></tr><tr><td></table></message>
                    430:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                    431:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
                    432:     <string variable="SINGLE_CODE" size="10">
                    433:         <validator>
                    434: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
                    435: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                    436: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
                    437: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                    438: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr      439: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr      440: 	      return 'Specifying a code name is incompatible with specifying number of codes.';
1.562     foxr      441: 	   } else {
                    442: 	       return undef;	# Other forces control us.
                    443: 	   }
                    444:         </validator>
                    445:     </string>
                    446:     <message></td></tr><tr><td></message>
                    447:         $code_selections
                    448:     <message></td></tr></table></message>
                    449:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                    450:     <message><b>Select saved CODEs:</b></message>
                    451:     <message></td><td></message>
                    452:     <dropdown variable="REUSE_OLD_CODES">
                    453:         $saved_codes
                    454:     </dropdown>
                    455:     <message></td></tr></table></message>
                    456:   </state>
                    457: CHOOSE_ANON1
                    458: 
                    459:    return $result;
                    460: }
                    461: 
1.598     raeburn   462: #  Returns the XML for choosing how assignments are to be formatted 
                    463: #  that text must still be parsed by the helper xml parser.
                    464: # Parameters: 3 (required)
                    465: 
                    466: #   helper       - The helper; $helper->{'VARS'}->{'PRINT_TYPE'} used
                    467: #                  to check if splitting PDFs by section can be offered.
                    468: #   title        - Title for the current state. 
                    469: #   this_state   - State name of the chooser.
                    470: 
1.586     raeburn   471: sub generate_format_selector {
1.598     raeburn   472:     my ($helper,$title,$this_state) = @_;
1.586     raeburn   473:     my $secpdfoption;
                    474:     unless (($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon')     ||
                    475:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'problems_for_anon_page') ||
                    476:             ($helper->{'VARS'}->{'PRINT_TYPE'} eq 'resources_for_anon')  ) {
                    477:         $secpdfoption =  '<choice computer="sections">Each PDF contains exactly one section</choice>';
                    478:     }
                    479:     return <<RESOURCE_SELECTOR;
1.598     raeburn   480:     <state name="$this_state" title="$title">
1.586     raeburn   481:     <message><br /><big><i><b>How should the results be printed?</b></i></big><br /></message>
                    482:     <choices variable="EMPTY_PAGES">
                    483:       <choice computer='0'>Start each student\'s assignment on a new page/column (add a pagefeed after each assignment)</choice>
                    484:       <choice computer='1'>Add one empty page/column after each student\'s assignment</choice>
                    485:       <choice computer='2'>Add two empty pages/column after each student\'s assignment</choice>
                    486:       <choice computer='3'>Add three empty pages/column after each student\'s assignment</choice>
                    487:     </choices>
                    488:     <nextstate>PAGESIZE</nextstate>
                    489:     <message><hr width='33%' /><b>How do you want assignments split into PDF files? </b></message>
                    490:     <choices variable="SPLIT_PDFS">
                    491:        <choice computer="all">All assignments in a single PDF file</choice>
                    492:        $secpdfoption
                    493:        <choice computer="oneper">Each PDF contains exactly one assignment</choice>
                    494:        <choice computer="usenumber" relatedvalue="NUMBER_TO_PRINT">
                    495:             Specify the number of assignments per PDF:</choice>
                    496:     </choices>
                    497:     </state>
                    498: RESOURCE_SELECTOR
                    499: }
                    500: 
1.562     foxr      501: #-----------------------------------------------------------------------
                    502: 
1.616   ! foxr      503: # Computes an open and close date from a list of open/close dates for a resource's
        !           504: # parts.
        !           505: #
        !           506: # @param \@opens - reference to an array of open dates.
        !           507: # @param \@closes - reference to an array of close dates.
        !           508: #
        !           509: # @return ($open, $close) 
        !           510: #
        !           511: # @note If open/close dates are not defined they will be retunred as undef
        !           512: # @note It is possible for there to be no overlap in which case -1,-1 
        !           513: #       will be returned.
        !           514: # @note The algorithm used is to take the latest open date and the earliest end date.
        !           515: #
        !           516: sub compute_open_window {
        !           517:     my ($opensref, $closesref) = @_;
        !           518: 
        !           519:     my @opens   = @$opensref;
        !           520:     my @closes  = @$closesref;
        !           521: 
        !           522:     # latest open date:
        !           523:     my $latest_open;
        !           524: 
        !           525:     foreach my $open (@opens) {
        !           526: 	if (!defined($latest_open) || ($open > $latest_open)) {
        !           527: 	    $latest_open = $open;
        !           528: 	}
        !           529:     }
        !           530:     # Earliest close:
        !           531: 
        !           532:     my $earliest_close;
        !           533:     foreach my $close (@closes) {
        !           534: 	if (!defined($earliest_close) || ($close < $earliest_close)) {
        !           535: 	    $earliest_close = $close;
        !           536: 	}
        !           537:     }
        !           538: 
        !           539:     # If no overlap...both are -1 as promised.
        !           540: 
        !           541:     if (defined($earliest_close) && defined($latest_open)
        !           542: 	 && ($earliest_close < $latest_open)) {
        !           543: 	$latest_open  = -1;
        !           544: 	$earliest_close = -1;
        !           545:     }
        !           546:     
        !           547:     return ($latest_open, $earliest_close);
        !           548:   
        !           549: }
        !           550: 
        !           551: ##
        !           552: #  Determines if 'now' is within the set of printable dates.
        !           553: #
        !           554: #  @param $open_date - Starting date/timestamp.
        !           555: #  @param $close_date - Ending date/timestamp.
        !           556: #
        !           557: #  @return 0 - Not open.
        !           558: #  @return 1 - open.
        !           559: #
        !           560: sub printable {
        !           561:     my ($open_date, $close_date) = @_;
        !           562: 
        !           563: 
        !           564:     my $now = time();
        !           565: 
        !           566:     # Have to do a bit of fancy footwork around undefined open/close dates:
        !           567: 
        !           568:     if ($open_date && ($open_date > $now)) {
        !           569: 	return 0;
        !           570:     }
        !           571: 
        !           572:     if ($close_date && ($close_date < $now)) {
        !           573: 	return 0;
        !           574:     }
        !           575:     
        !           576:     return 1;
        !           577: 
        !           578: }
        !           579: 
1.615     foxr      580: ##
                    581: # Returns the innermost print start/print end dates for a resource.
                    582: # This is done by looking at the start/end dates for its parts and choosing
                    583: # the intersection of those dates.
                    584: # 
                    585: # @param res - lonnvamaps::resource object that represents the resource.
                    586: #
                    587: # @return (opendate, closedate)
                    588: #
                    589: # @note If open/close dates are not defined they will be retunred as undef
                    590: # @note It is possible for there to be no overlap in which case -1,-1 
                    591: #       will be returned.
                    592: # @note The algorithm used is to take the latest open date and the earliest end date.
                    593: #
                    594: 
                    595: sub get_print_dates {
                    596:     my $res = shift;
                    597:     my $partsref = $res->parts();
                    598:     my @parts   = @$partsref;
                    599:     my $open_date;
                    600:     my $close_date;
1.616   ! foxr      601:     my @open_dates;
        !           602:     my @close_dates;
        !           603: 
1.615     foxr      604: 
                    605:     if (defined(@parts) && (scalar(@parts) > 0)) {
                    606: 	foreach my $part (@parts) {
                    607: 	    my $partopen  = $res->parmval('printstartdate', $part);
                    608: 	    my $partclose = $res->parmval('printenddate',  $part);
1.616   ! foxr      609: 
        !           610: 	    push(@open_dates, $partopen);
        !           611: 	    push(@close_dates, $partclose);
        !           612: 	}
        !           613:     }
        !           614: 
        !           615:     ($open_date, $close_date)  = &compute_open_window(\@open_dates, \@close_dates);
        !           616: 
        !           617:     if ($open_date) {
        !           618: 	$open_date  = POSIX::strftime('%D', localtime($open_date));
        !           619:     }
        !           620:     if ($close_date) {
        !           621: 	$close_date = POSIX::strftime('%D', localtime($close_date));
        !           622:     }
        !           623: 
        !           624:     return ($open_date, $close_date);
        !           625: }
        !           626: 
        !           627: ##
        !           628: # Get the dates for which a course says a resource can be printed.  This is like
        !           629: # get_print_dates but namvaps::course_print_dates are gotten...and not converted
        !           630: # to times either.
        !           631: #
        !           632: # @param $res - Reference to a resource has from lonnvampas::resource.
        !           633: #
        !           634: # @return (opendate, closedate)
        !           635: #
        !           636: sub course_print_dates {
        !           637:     my $res = shift;
        !           638:     my $partsref = $res->parts();
        !           639:     my @parts    = @$partsref;
        !           640:     my $open_date;
        !           641:     my $close_date;
        !           642:     my @open_dates;
        !           643:     my @close_dates;
        !           644:     my $navmap = $res->{NAV_MAP}; # Slightly OO dirty.
        !           645: 
        !           646:     # Don't bother looping over undefined or empty parts arraY;
        !           647: 
        !           648:     if (defined(@parts) && (scalar(@parts) > 0)) {
        !           649: 	foreach my $part (@parts) {
        !           650: 	    my ($partopen, $partclose) = $navmap->course_printdates($res, $part);
        !           651: 	    push(@open_dates, $partopen);
        !           652: 	    push(@close_dates, $partclose);
1.615     foxr      653: 	}
1.616   ! foxr      654: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
1.615     foxr      655:     }
1.616   ! foxr      656:     return ($open_date, $close_date);
        !           657: }
        !           658: ##
        !           659: # Same as above but for the enclosing map:
        !           660: #
        !           661: sub map_print_dates {
        !           662:     my $res = shift;
        !           663:     my $partsref = $res->parts();
        !           664:     my @parts    = @$partsref;
        !           665:     my $open_date;
        !           666:     my $close_date;
        !           667:     my @open_dates;
        !           668:     my @close_dates;
        !           669:     my $navmap = $res->{NAV_MAP}; # slightly OO dirty.
        !           670: 
        !           671: 
        !           672:     # Don't bother looping over undefined or empty parts arraY;
1.615     foxr      673: 
1.616   ! foxr      674:     if (defined(@parts) && (scalar(@parts) > 0)) {
        !           675: 	foreach my $part (@parts) {
        !           676: 	    my ($partopen, $partclose) = $navmap->map_printdates($res, $part);
        !           677: 	    push(@open_dates, $partopen);
        !           678: 	    push(@close_dates, $partclose);
        !           679: 	}
        !           680: 	($open_date, $close_date) = &compute_open_window(\@open_dates, \@close_dates);
        !           681:     }
1.615     foxr      682:     return ($open_date, $close_date);
                    683: }
                    684: 
1.591     foxr      685: # Determine if a resource is incomplete given the map:
                    686: # Parameters:
                    687: #   $username - Name of user for whom we are checking.
                    688: #   $domain   - Domain of user we are checking.
                    689: #   $map - map name.
                    690: # Returns:
                    691: #     0 - map is not incomplete.
                    692: #     1 - map is incomplete.
                    693: #
                    694: sub incomplete {
                    695:     my ($username, $domain, $map) = @_;
                    696: 
                    697: 
1.595     foxr      698:     my $navmap = Apache::lonnavmaps::navmap->new($username, $domain);
1.591     foxr      699:     
                    700: 
                    701:     if (defined($navmap)) {
                    702: 	my $res = $navmap->getResourceByUrl($map);
                    703: 	my $result = $res->is_incomplete();
                    704: 	return $result;
                    705:     } else {
                    706: 	return 1;
                    707:     }
                    708: }
1.595     foxr      709: #
                    710: #  When printing for students, the resoures and order of the
                    711: #  resources may need to be altered if there are folders with
                    712: #  random selectiopn or random ordering (or both) enabled.
                    713: #  This sub computes the set of resources to print for a student
                    714: #  modified both by random ordering and selection and filtered
                    715: #  to only those that are in the original set selcted to be printed.
                    716: #
                    717: # Parameters:
                    718: #   $helper - The helper we need $helper->{'VARS'}->{'symb'}
                    719: #            to construct the navmap and the iteration.
                    720: #   $seq   - The original set of resources to print 
1.600     foxr      721: #            (really an array of resource names (array of symb's).
1.595     foxr      722: #   $who   - Student/domain for whome the sequence will be generated.
                    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 {
                    731:     my ($helper, $seq, $who) = @_;
                    732: 
                    733: 
                    734:     my ($username, $userdomain, $usersection) = split(/:/, $who);
                    735: 
1.600     foxr      736: 
1.595     foxr      737:     # Toss the sequence up into a hash so that we have O(1) lookup time.
                    738:     # on the items that come out of the user's list of resources.
                    739:     #
                    740:     
                    741:     my %seq_hash = map {$_  => 1} @$seq;
                    742:     my @output_seq;
                    743:     
                    744:     my ($map, $id, $url) = &Apache::lonnet::decode_symb($helper->{VARS}->{'symb'});
                    745:     my $navmap           = Apache::lonnavmaps::navmap->new($username, $userdomain);
                    746:     my $iterator         = $navmap->getIterator($navmap->firstResource(),
                    747: 						$navmap->finishResource(),
                    748: 						{}, 1);
                    749:     my %nonResourceItems = (
                    750: 	$iterator->BEGIN_MAP    => 1,
                    751: 	$iterator->BEGIN_BRANCH => 1,
                    752: 	$iterator->END_BRANCH   => 1,
                    753: 	$iterator->END_MAP      => 1,
                    754: 	$iterator->FORWARD      => 1,
                    755: 	$iterator->BACKWARD     => 1
                    756: 
                    757:     );		# These items are not resources but appear in the midst of iteration.
                    758: 
                    759:     #  Iterate on the resource..select the items that are randomly selected
                    760:     #  and that are in the seq_has.  Presumably the iterator will take care
                    761:     # of the random ordering part of the deal.
                    762:     #
                    763:     my $curres;
                    764:     while ($curres = $iterator->next()) {
                    765: 	#
1.600     foxr      766: 	#  Only process resources..that are not removed by randomout...
                    767: 	#  and are selected for printint as well.
1.595     foxr      768: 	#
1.610     foxr      769:      
1.595     foxr      770: 	if (! exists $nonResourceItems{$curres} && ! $curres->randomout()) {
                    771: 	    my $symb = $curres->symb();
                    772: 	    if (exists $seq_hash{$symb}) {
                    773: 		push(@output_seq, $symb);
                    774: 	    }
                    775: 	}
                    776:     }
                    777:    				
                    778: 
                    779:     return \@output_seq;		# for now.
                    780:     
                    781: }
                    782: 
1.515     foxr      783: 
1.498     foxr      784: # Fetch the contents of a resource, uninterpreted.
                    785: # This is used here to fetch a latex file to be included
                    786: # verbatim into the printout<
                    787: # NOTE: Ask Guy if there is a lonnet function similar to this?
                    788: #
                    789: # Parameters:
                    790: #   URL of the file
                    791: #
                    792: sub fetch_raw_resource {
                    793:     my ($url) = @_;
                    794: 
                    795:     my $filename  = &Apache::lonnet::filelocation("", $url);
1.500     foxr      796:     my $contents  = &Apache::lonnet::getfile($filename);
1.498     foxr      797: 
1.500     foxr      798:     if ($contents == -1) {
                    799: 	return "File open failed for $filename";      # This will bomb the print.
1.498     foxr      800:     }
1.500     foxr      801:     return $contents;
1.498     foxr      802: 
                    803:     
                    804: }
                    805: 
1.511     foxr      806: #  Fetch the annotations associated with a URL and 
                    807: #  put a centered 'annotations:' title.
                    808: #  This is all suppressed if the annotations are empty.
                    809: #
                    810: sub annotate {
                    811:     my ($symb) = @_;
                    812: 
1.559     foxr      813:     my $annotation_text = &Apache::loncommon::get_annotation($symb, 1);
1.511     foxr      814: 
                    815: 
                    816:     my $result = "";
                    817: 
                    818:     if (length($annotation_text) > 0) {
                    819: 	$result .= '\\hspace*{\\fill} \\\\[\\baselineskip] \textbf{Annotations:} \\\\ ';
                    820: 	$result .= "\n";
                    821: 	$result .= &Apache::lonxml::latex_special_symbols($annotation_text,"");	# Escape latex.
                    822: 	$result .= "\n\n";
                    823:     }
                    824:     return $result;
                    825: }
                    826: 
1.556     foxr      827: #
                    828: #   Set a global document font size:
                    829: #   This is done by replacing \begin{document}
                    830: #   with \begin{document}{\some-font-directive
                    831: #   and \end{document} with
                    832: #   }\end{document
                    833: #
                    834: sub set_font_size {
                    835: 
                    836:     my ($text) = @_;
                    837: 
1.575     foxr      838:     # There appear to be cases where the font directive is empty.. in which
                    839:     # case the first substituion would  insert a spurious \ oh happy day.
                    840:     # as this has been the cause of much mystery and hair pulling _sigh_
                    841: 
                    842:     if ($font_size ne '') {
                    843: 
                    844: 	$text =~ s/\\begin{document}/\\begin{document}{\\$font_size/;
                    845:     }
1.556     foxr      846:     $text =~ s/\\end{document}/}\\end{document}/;
                    847:     return $text;
                    848: 
                    849: 
                    850: }
                    851: 
1.550     foxr      852: # include_pdf - PDF files are included into the 
                    853: # output as follows:
                    854: #  - The PDF, if necessary, is replicated.
                    855: #  - The PDF is added to the list of files to convert to postscript (along with the images).
                    856: #  - The LaTeX is added to include the final converted postscript in the file as an included
                    857: #    job.  The assumption is that the includedpsheader.ps header will be included.
                    858: #
                    859: # Parameters:
                    860: #   pdf_uri   - URI of the PDF file to include.
                    861: #   
                    862: # Returns:
                    863: #  The LaTeX to include.
                    864: #
                    865: # Assumptions:
                    866: #    The uri is actually a PDF file
                    867: #    The postscript will have the includepsheader.ps included.
                    868: #
                    869: #
                    870: sub include_pdf {
                    871:     my ($pdf_uri) = @_;
                    872: 
                    873:     # Where is the file? If not local we'll need to repcopy it:'
                    874: 
                    875:     my $file = &Apache::lonnet::filelocation('', $pdf_uri);
                    876:     if (! -e $file) {
                    877: 	&Apache::lonnet::repcopy($file);
                    878: 	$file = &Apache::lonnet::filelocation('',$pdf_uri);
                    879:     }
                    880: 
                    881:     #  The file isn ow replicated locally.. or it did not exist in the first place
                    882:     # (unlikely).  If it did exist, add the pdf to the set of files/images that
                    883:     # need tob e converted for this print job:
                    884: 
1.608     raeburn   885:     my $londocroot = $Apache::lonnet::perlvar{'lonDocRoot'};
                    886:     $file =~ s{(.*)/res/}{$londocroot/res/};
1.550     foxr      887: 
1.608     raeburn   888:     open(FILE,">>$Apache::lonnet::perlvar{'lonPrtDir'}/$env{'user.name'}_$env{'user.domain'}_printout.dat");
1.550     foxr      889:     print FILE ("$file\n");
                    890:     close (FILE);
                    891: 
                    892:     # Construct the special to put out.  To do this we need to get the
                    893:     # resulting filename after conversion.  The file will have the same name
                    894:     # but will be in the user's spool directory with converted images.
                    895: 
                    896:     my $dirname = "/home/httpd/prtspool/$env{'user.name'}/";
                    897:     my ( $base, $path,  $ext) = &fileparse($file, '.pdf');
                    898: #    my $destname = $dirname.'/'.$base.'.eps'; # Not really an eps but easier in printout.pl
                    899:     $base =~ s/ /\_/g;
                    900: 
                    901: 
1.551     foxr      902:     my $output = &print_latex_header();
1.550     foxr      903:     $output    .= '\special{ps: _begin_job_ ('
                    904: 	.$base.'.pdf.eps'.
                    905: 	')run _end_job_}';
                    906: 
                    907:     return $output;
                    908: 
                    909: 
                    910: }
1.612     foxr      911: ##
                    912: #  Collect the various \select_language{language_name}
                    913: #  latex tags to build a \usepackage[lang-list]{babel} which will
                    914: #  appear just prior to the \begin{document} at the front of the concatenated
                    915: #  set of resources:
                    916: # @param doc - The string of latex to search/replace.
                    917: # @return string
                    918: # @retval - the modified document stringt.
                    919: #
                    920: sub collect_languages {
                    921:     my $doc = shift;
                    922:     my %languages;
                    923:     while ($doc =~ /\\selectlanguage{(\w+)}/mg) {
                    924: 	$languages{$1} = 1;	# allows us to request each language exactly once.
                    925:     }
                    926:     my @lang_list = (keys(%languages)); # List of unique languages
                    927:     if (scalar @lang_list) {
                    928: 	my $babel_header = '\usepackage[' . join(',', @lang_list) .']{babel}'. "\n";
                    929: 	$doc =~ s/\\begin{document}/$babel_header\\begin{document}/;
                    930:     }
                    931:     return $doc;
                    932: }
                    933: #-------------------------------------------------------------------
1.515     foxr      934: 
                    935: #
1.559     foxr      936: #   ssi_with_retries- Does the server side include of a resource.
1.515     foxr      937: #                      if the ssi call returns an error we'll retry it up to
                    938: #                      the number of times requested by the caller.
                    939: #                      If we still have a proble, no text is appended to the
                    940: #                      output and we set some global variables.
1.523     raeburn   941: #                      to indicate to the caller an SSI error occurred.  
1.515     foxr      942: #                      All of this is supposed to deal with the issues described
                    943: #                      in LonCAPA BZ 5631 see:
                    944: #                      http://bugs.lon-capa.org/show_bug.cgi?id=5631
                    945: #                      by informing the user that this happened.
                    946: #
                    947: # Parameters:
                    948: #   resource   - The resource to include.  This is passed directly, without
                    949: #                interpretation to lonnet::ssi.
                    950: #   form       - The form hash parameters that guide the interpretation of the resource
                    951: #                
                    952: #   retries    - Number of retries allowed before giving up completely.
                    953: # Returns:
                    954: #   On success, returns the rendered resource identified by the resource parameter.
                    955: # Side Effects:
                    956: #   The following global variables can be set:
1.523     raeburn   957: #    ssi_error                - If an unrecoverable error occurred this becomes true.
1.515     foxr      958: #                               It is up to the caller to initialize this to false
                    959: #                               if desired.
1.523     raeburn   960: #    ssi_last_error_resource  - If an unrecoverable error occurred, this is the value
1.515     foxr      961: #                               of the resource that could not be rendered by the ssi
                    962: #                               call.
                    963: #    ssi_last_error           - The error string fetched from the ssi response
                    964: #                               in the event of an error.
                    965: #
                    966: sub ssi_with_retries {
                    967:     my ($resource, $retries, %form) = @_;
                    968: 
1.559     foxr      969:     my $target = $form{'grade_target'};
                    970:     my $aom    = $form{'answer_output_mode'};
                    971: 
                    972: 
1.515     foxr      973: 
1.516     foxr      974:     my ($content, $response) = &Apache::loncommon::ssi_with_retries($resource, $retries, %form);
                    975:     if (!$response->is_success) {
1.515     foxr      976: 	$ssi_error               = 1;
                    977: 	$ssi_last_error_resource = $resource;
1.516     foxr      978: 	$ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   979:         $content='\section*{!!! An error occurred !!!}';	
1.515     foxr      980:     }
1.516     foxr      981: 
                    982:     return $content;
                    983: 
1.515     foxr      984: }
                    985: 
1.524     www       986: sub get_student_view_with_retries {
                    987:     my ($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv)=@_;
                    988: 
                    989:     my ($content, $response) = &Apache::loncommon::get_student_view_with_retries($curresline,$retries,$username,$userdomain,$courseid,$target,$moreenv);
                    990:     if (!$response->is_success) {
                    991:         $ssi_error               = 1;
1.526     www       992:         $ssi_last_error_resource = $curresline.' for user '.$username.':'.$userdomain;
1.524     www       993:         $ssi_last_error          = $response->code . " " . $response->message;
1.528     raeburn   994:         $content='\section*{!!! An error occurred !!!}';
1.524     www       995:     }
                    996:     return $content;
                    997: 
                    998: }
                    999: 
1.486     foxr     1000: #
                   1001: #   printf_style_subst  item format_string repl
                   1002: #  
                   1003: # Does printf style substitution for a format string that
                   1004: # can have %[n]item in it.. wherever, %[n]item occurs,
                   1005: # rep is substituted in format_string.  Note that
                   1006: # [n] is an optional integer length.  If provided,
                   1007: # repl is truncated to at most [n] characters prior to 
                   1008: # substitution.
                   1009: #
                   1010: sub printf_style_subst {
                   1011:     my ($item, $format_string, $repl) = @_;
1.490     foxr     1012:     my $result = "";
                   1013:     while ($format_string =~ /(%)(\d*)\Q$item\E/g ) {
1.488     albertel 1014: 	my $fmt = $1;
                   1015: 	my $size = $2;
1.486     foxr     1016: 	my $subst = $repl;
                   1017: 	if ($size ne "") {
                   1018: 	    $subst = substr($subst, 0, $size);
1.490     foxr     1019: 	    
                   1020: 	    #  Here's a nice edge case.. supose the end of the
                   1021: 	    #  substring is a \.  In that case may have  just
                   1022: 	    #  chopped off a TeX escape... in that case, we append
                   1023: 	    #   " " for the trailing character, and let the field 
                   1024: 	    #  spill over a bit (sigh).
                   1025: 	    #  We don't just chop off the last character in order to deal
                   1026: 	    #  with one last pathology, and that would be if substr had
                   1027: 	    #  trimmed us to e.g. \\\  
                   1028: 
                   1029: 
                   1030: 	    if ($subst =~ /\\$/) {
                   1031: 		$subst .= " ";
                   1032: 	    }
1.486     foxr     1033: 	}
1.490     foxr     1034: 	my $item_pos = pos($format_string);
                   1035: 	$result .= substr($format_string, 0, $item_pos - length($size) -2) . $subst;
                   1036:         $format_string = substr($format_string, pos($format_string));
1.486     foxr     1037:     }
1.490     foxr     1038: 
                   1039:     # Put the residual format string into the result:
                   1040: 
                   1041:     $result .= $format_string;
                   1042: 
                   1043:     return $result;
1.486     foxr     1044: }
                   1045: 
1.454     foxr     1046: 
                   1047: # Format a header according to a format.  
                   1048: # 
                   1049: 
                   1050: # Substitutions:
                   1051: #     %a    - Assignment name.
                   1052: #     %c    - Course name.
                   1053: #     %n    - Student name.
1.537     foxr     1054: #     %s    - The section if it is supplied.
1.454     foxr     1055: #
                   1056: sub format_page_header {
1.537     foxr     1057:     my ($width, $format, $assignment, $course, $student, $section) = @_;
                   1058: 
1.565     foxr     1059: 
                   1060: 
1.486     foxr     1061:     $width = &recalcto_mm($width); # Get width in mm.
1.565     foxr     1062:     my $chars_per_line = int($width/1.6);   # Character/textline.
                   1063: 
1.454     foxr     1064:     #  Default format?
                   1065: 
                   1066:     if ($format eq '') {
1.486     foxr     1067: 	# For the default format, we may need to truncate
                   1068: 	# elements..  To do this we need to get the page width.
                   1069: 	# we assume that each character is about 2mm in width.
                   1070: 	# (correct for the header text size??).  We ignore
                   1071: 	# any formatting (e.g. boldfacing in this).
                   1072: 	# 
                   1073: 	# - Allow the student/course to be one line.
                   1074: 	#   but only truncate the course.
                   1075: 	# - Allow the assignment to be 2 lines (wrapped).
                   1076: 	#
1.565     foxr     1077: 
1.537     foxr     1078: 	
                   1079: 
                   1080: 	my $name_length    = int($chars_per_line *3 /4);
                   1081: 	my $sec_length     = int($chars_per_line / 5);
1.486     foxr     1082: 
1.537     foxr     1083: 	$format  = "%$name_length".'n';
1.486     foxr     1084: 
1.537     foxr     1085: 	if ($section) {
                   1086: 	    $format .=  ' - Sec: '."%$sec_length".'s';
1.486     foxr     1087: 	}
1.489     foxr     1088: 
1.537     foxr     1089: 	$format .= '\\\\%c \\\\ %a';
                   1090:         
1.490     foxr     1091: 
1.454     foxr     1092:     }
1.537     foxr     1093:     # An open question is how to handle long user formatted page headers...
                   1094:     # A possible future is to support e.g. %na so that the user can control
                   1095:     # the truncation of the elements that can appear in the header.
                   1096:     #
                   1097:     $format =  &printf_style_subst("a", $format, $assignment);
                   1098:     $format =  &printf_style_subst("c", $format, $course);
                   1099:     $format =  &printf_style_subst("n", $format, $student);
                   1100:     $format =  &printf_style_subst("s", $format, $section);
                   1101:     
                   1102:     
                   1103:     # If the user put %'s in the format string, they  must be escaped
                   1104:     # to \% else LaTeX will think they are comments and terminate
                   1105:     # the line.. which is bad!!!
                   1106:     
1.538     onken    1107:     # If the user has role author, $course and $assignment are empty so
                   1108:     # there is '\\ \\ ' in the page header. That's cause a error in LaTeX
                   1109:     if($format =~ /\\\\\s\\\\\s/) {
                   1110:         #TODO find sensible caption for page header
                   1111:         my $testPrintout = '\\\\'.&mt('Construction Space').' \\\\'.&mt('Test-Printout ');
                   1112:         $format =~ s/\\\\\s\\\\\s/$testPrintout/;
                   1113:     }
1.565     foxr     1114:     #
                   1115:     #  We're going to trust LaTeX to break lines appropriately, but
                   1116:     #  we'll truncate anything that's more than 3 lines worth of
                   1117:     # text.  This is also assuming (which will probably end badly)
                   1118:     # nobody's going to embed LaTeX control sequences in the title
                   1119:     # header or rather that those control sequences won't get broken
                   1120:     # by the stuff below.
                   1121:     #
                   1122:     my $total_length = 3*$chars_per_line;
                   1123:     if (length($format) > $total_length) {
                   1124: 	$format = substr($format, 0, $total_length);
                   1125:     }
                   1126: 
1.454     foxr     1127: 
                   1128:     return $format;
                   1129:     
                   1130: }
1.397     albertel 1131: 
1.385     foxr     1132: #
                   1133: #   Convert a numeric code to letters
                   1134: #
                   1135: sub num_to_letters {
                   1136:     my ($num) = @_;
                   1137:     my @nums= split('',$num);
                   1138:     my @num_to_let=('A'..'Z');
                   1139:     my $word;
                   1140:     foreach my $digit (@nums) { $word.=$num_to_let[$digit]; }
                   1141:     return $word;
                   1142: }
                   1143: #   Convert a letter code to numeric.
                   1144: #
                   1145: sub letters_to_num {
                   1146:     my ($letters) = @_;
                   1147:     my @letters = split('', uc($letters));
1.490     foxr     1148:    my %substitution;
1.385     foxr     1149:     my $digit = 0;
                   1150:     foreach my $letter ('A'..'J') {
                   1151: 	$substitution{$letter} = $digit;
                   1152: 	$digit++;
                   1153:     }
                   1154:     #  The substitution is done as below to preserve leading
                   1155:     #  zeroes which are needed to keep the code size exact
                   1156:     #
                   1157:     my $result ="";
                   1158:     foreach my $letter (@letters) {
                   1159: 	$result.=$substitution{$letter};
                   1160:     }
                   1161:     return $result;
                   1162: }
                   1163: 
1.383     foxr     1164: #  Determine if a code is a valid numeric code.  Valid
                   1165: #  numeric codes must be comprised entirely of digits and
1.384     albertel 1166: #  have a correct number of digits.
1.383     foxr     1167: #
                   1168: #  Parameters:
                   1169: #     value      - proposed code value.
1.384     albertel 1170: #     num_digits - Number of digits required.
1.383     foxr     1171: #
                   1172: sub is_valid_numeric_code {
1.384     albertel 1173:     my ($value, $num_digits) = @_;
1.383     foxr     1174:     #   Remove leading/trailing whitespace;
1.387     foxr     1175:     $value =~ s/^\s*//g;
                   1176:     $value =~ s/\s*$//g;
1.383     foxr     1177:     
                   1178:     #  All digits?
1.387     foxr     1179:     if ($value !~ /^[0-9]+$/) {
1.383     foxr     1180: 	return "Numeric code $value has invalid characters - must only be digits";
                   1181:     }
1.384     albertel 1182:     if (length($value) != $num_digits) {
                   1183: 	return "Numeric code $value incorrect number of digits (correct = $num_digits)";
                   1184:     }
1.385     foxr     1185:     return undef;
1.383     foxr     1186: }
                   1187: #   Determines if a code is a valid alhpa code.  Alpha codes
                   1188: #   are ciphers that map  [A-J,a-j] -> 0..9 0..9.
1.384     albertel 1189: #   They also have a correct digit count.
1.383     foxr     1190: # Parameters:
                   1191: #     value          - Proposed code value.
1.384     albertel 1192: #     num_letters    - correct number of letters.
1.383     foxr     1193: # Note:
                   1194: #    leading and trailing whitespace are ignored.
                   1195: #
                   1196: sub is_valid_alpha_code {
1.384     albertel 1197:     my ($value, $num_letters) = @_;
1.383     foxr     1198:     
                   1199:      # strip leading and trailing spaces.
                   1200: 
                   1201:     $value =~ s/^\s*//g;
                   1202:     $value =~ s/\s*$//g;
                   1203: 
                   1204:     #  All alphas in the right range?
1.384     albertel 1205:     if ($value !~ /^[A-J,a-j]+$/) {
1.383     foxr     1206: 	return "Invalid letter code $value must only contain A-J";
                   1207:     }
1.384     albertel 1208:     if (length($value) != $num_letters) {
                   1209: 	return "Letter code $value has incorrect number of letters (correct = $num_letters)";
                   1210:     }
1.385     foxr     1211:     return undef;
1.383     foxr     1212: }
                   1213: 
1.382     foxr     1214: #   Determine if a code entered by the user in a helper is valid.
                   1215: #   valid depends on the code type and the type of code selected.
                   1216: #   The type of code selected can either be numeric or 
                   1217: #   Alphabetic.  If alphabetic, the code, in fact is a simple
                   1218: #   substitution cipher for the actual numeric code: 0->A, 1->B ...
                   1219: #   We'll be nice and be case insensitive for alpha codes.
                   1220: # Parameters:
                   1221: #    code_value    - the value of the code the user typed in.
                   1222: #    code_option   - The code type selected from the set in the scantron format
                   1223: #                    table.
                   1224: # Returns:
                   1225: #    undef         - The code is valid.
                   1226: #    other         - An error message indicating what's wrong.
                   1227: #
                   1228: sub is_code_valid {
                   1229:     my ($code_value, $code_option) = @_;
1.383     foxr     1230:     my ($code_type, $code_length) = ('letter', 6);	# defaults.
1.542     raeburn  1231:     my @lines = &Apache::grades::get_scantronformat_file();
                   1232:     foreach my $line (@lines) {
1.383     foxr     1233: 	my ($name, $type, $length) = (split(/:/, $line))[0,2,4];
                   1234: 	if($name eq $code_option) {
                   1235: 	    $code_length = $length;
                   1236: 	    if($type eq 'number') {
                   1237: 		$code_type = 'number';
                   1238: 	    }
                   1239: 	}
                   1240:     }
                   1241:     my $valid;
                   1242:     if ($code_type eq 'number') {
1.385     foxr     1243: 	return &is_valid_numeric_code($code_value, $code_length);
1.383     foxr     1244:     } else {
1.385     foxr     1245: 	return &is_valid_alpha_code($code_value, $code_length);
1.383     foxr     1246:     }
1.382     foxr     1247: 
                   1248: }
                   1249: 
1.341     foxr     1250: #   Compare two students by name.  The students are in the form
                   1251: #   returned by the helper:
                   1252: #      user:domain:section:last,   first:status
                   1253: #   This is a helper function for the perl sort built-in  therefore:
                   1254: # Implicit Inputs:
                   1255: #    $a     - The first element to compare (global)
                   1256: #    $b     - The second element to compare (global)
                   1257: # Returns:
                   1258: #   -1   - $a < $b
                   1259: #    0   - $a == $b
                   1260: #   +1   - $a > $b
                   1261: #   Note that the initial comparison is done on the last names with the
                   1262: #   first names only used to break the tie.
                   1263: #
                   1264: #
                   1265: sub compare_names {
                   1266:     #  First split the names up into the primary fields.
                   1267: 
                   1268:     my ($u1, $d1, $s1, $n1, $stat1) = split(/:/, $a);
                   1269:     my ($u2, $d2, $s2, $n2, $stat2) = split(/:/, $b);
                   1270: 
                   1271:     # Now split the last name and first name of each n:
                   1272:     #
                   1273: 
                   1274:     my ($l1,$f1) = split(/,/, $n1);
                   1275:     my ($l2,$f2) = split(/,/, $n2);
                   1276: 
                   1277:     # We don't bother to remove the leading/trailing whitespace from the
                   1278:     # firstname, unless the last names compare identical.
                   1279: 
                   1280:     if($l1 lt $l2) {
                   1281: 	return -1;
                   1282:     }
                   1283:     if($l1 gt $l2) {
                   1284: 	return  1;
                   1285:     }
                   1286: 
                   1287:     # Break the tie on the first name, but there are leading (possibly trailing
                   1288:     # whitespaces to get rid of first 
                   1289:     #
                   1290:     $f1 =~ s/^\s+//;		# Remove leading...
                   1291:     $f1 =~ s/\s+$//;		# Trailing spaces from first 1...
                   1292:     
                   1293:     $f2 =~ s/^\s+//;
                   1294:     $f2 =~ s/\s+$//;		# And the same for first 2...
                   1295: 
                   1296:     if($f1 lt $f2) {
                   1297: 	return -1;
                   1298:     }
                   1299:     if($f1 gt $f2) {
                   1300: 	return 1;
                   1301:     }
                   1302:     
                   1303:     #  Must be the same name.
                   1304: 
                   1305:     return 0;
                   1306: }
                   1307: 
1.71      sakharuk 1308: sub latex_header_footer_remove {
                   1309:     my $text = shift;
                   1310:     $text =~ s/\\end{document}//;
                   1311:     $text =~ s/\\documentclass([^&]*)\\begin{document}//;
                   1312:     return $text;
                   1313: }
1.423     foxr     1314: #
                   1315: #  If necessary, encapsulate text inside 
                   1316: #  a minipage env.
                   1317: #  necessity is determined by the problem_split param.
                   1318: #
                   1319: sub encapsulate_minipage {
                   1320:     my ($text) = @_;
1.427     albertel 1321:     if (!($env{'form.problem.split'} =~ /yes/i)) {
1.423     foxr     1322: 	$text = '\begin{minipage}{\textwidth}'.$text.'\end{minipage}';
                   1323:     }
                   1324:     return $text;
                   1325: }
1.429     foxr     1326: #
                   1327: #  The NUMBER_TO_PRINT and SPLIT_PDFS
                   1328: #  variables interact, this sub looks at these two parameters
                   1329: #  and comes up with a final value for NUMBER_TO_PRINT which can be:
                   1330: #     all     - if SPLIT_PDFS eq 'all'.
                   1331: #     1       - if SPLIT_PDFS eq 'oneper'
                   1332: #     section - if SPLIT_PDFS eq 'sections'
                   1333: #     <unchanged> - if SPLIT_PDFS eq 'usenumber'
                   1334: #
                   1335: sub adjust_number_to_print {
                   1336:     my $helper = shift;
1.71      sakharuk 1337: 
1.429     foxr     1338:     my $split_pdf = $helper->{'VARS'}->{'SPLIT_PDFS'};
                   1339:     
                   1340:     if ($split_pdf eq 'all') {
                   1341: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'all';
                   1342:     } elsif ($split_pdf eq 'oneper') {
                   1343: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 1;
                   1344:     } elsif ($split_pdf eq 'sections') {
                   1345: 	$helper->{'VARS'}->{'NUMBER_TO_PRINT'} = 'section';
                   1346:     } elsif ($split_pdf eq 'usenumber') {
                   1347: 	#  Unmodified.
                   1348:     } else {
                   1349: 	# Error!!!!
1.536     foxr     1350: 	
                   1351: 	croak "bad SPLIT_PDFS: $split_pdf in lonprintout::adjust_number_to_print";
1.429     foxr     1352: 
                   1353:     }
                   1354: }
1.71      sakharuk 1355: 
1.531     foxr     1356: 
1.37      sakharuk 1357: sub character_chart {
1.531     foxr     1358:     my $result = shift;
                   1359:     return  &Apache::entities::replace_entities($result);
                   1360: }
                   1361: 
                   1362: sub old_character_chart {
1.37      sakharuk 1363:     my $result = shift;	
1.116     sakharuk 1364:     $result =~ s/&\#0?0?(7|9);//g;
                   1365:     $result =~ s/&\#0?(10|13);//g;
                   1366:     $result =~ s/&\#0?32;/ /g;
                   1367:     $result =~ s/&\#0?33;/!/g;
                   1368:     $result =~ s/&(\#0?34|quot);/\"/g;
                   1369:     $result =~ s/&\#0?35;/\\\#/g;
                   1370:     $result =~ s/&\#0?36;/\\\$/g;
                   1371:     $result =~ s/&\#0?37;/\\%/g; 
                   1372:     $result =~ s/&(\#0?38|amp);/\\&/g; 
                   1373:     $result =~ s/&\#(0?39|146);/\'/g;
                   1374:     $result =~ s/&\#0?40;/(/g;
                   1375:     $result =~ s/&\#0?41;/)/g;
                   1376:     $result =~ s/&\#0?42;/\*/g;
                   1377:     $result =~ s/&\#0?43;/\+/g;
                   1378:     $result =~ s/&\#(0?44|130);/,/g;
                   1379:     $result =~ s/&\#0?45;/-/g;
                   1380:     $result =~ s/&\#0?46;/\./g;
                   1381:     $result =~ s/&\#0?47;/\//g;
                   1382:     $result =~ s/&\#0?48;/0/g;
                   1383:     $result =~ s/&\#0?49;/1/g;
                   1384:     $result =~ s/&\#0?50;/2/g;
                   1385:     $result =~ s/&\#0?51;/3/g;
                   1386:     $result =~ s/&\#0?52;/4/g;
                   1387:     $result =~ s/&\#0?53;/5/g;
                   1388:     $result =~ s/&\#0?54;/6/g;
                   1389:     $result =~ s/&\#0?55;/7/g;
                   1390:     $result =~ s/&\#0?56;/8/g;
                   1391:     $result =~ s/&\#0?57;/9/g;
1.269     albertel 1392:     $result =~ s/&\#0?58;/:/g;
1.116     sakharuk 1393:     $result =~ s/&\#0?59;/;/g;
                   1394:     $result =~ s/&(\#0?60|lt|\#139);/\$<\$/g;
1.281     sakharuk 1395:     $result =~ s/&\#0?61;/\\ensuremath\{=\}/g;
                   1396:     $result =~ s/&(\#0?62|gt|\#155);/\\ensuremath\{>\}/g;
1.116     sakharuk 1397:     $result =~ s/&\#0?63;/\?/g;
                   1398:     $result =~ s/&\#0?65;/A/g;
                   1399:     $result =~ s/&\#0?66;/B/g;
                   1400:     $result =~ s/&\#0?67;/C/g;
                   1401:     $result =~ s/&\#0?68;/D/g;
                   1402:     $result =~ s/&\#0?69;/E/g;
                   1403:     $result =~ s/&\#0?70;/F/g;
                   1404:     $result =~ s/&\#0?71;/G/g;
                   1405:     $result =~ s/&\#0?72;/H/g;
                   1406:     $result =~ s/&\#0?73;/I/g;
                   1407:     $result =~ s/&\#0?74;/J/g;
                   1408:     $result =~ s/&\#0?75;/K/g;
                   1409:     $result =~ s/&\#0?76;/L/g;
                   1410:     $result =~ s/&\#0?77;/M/g;
                   1411:     $result =~ s/&\#0?78;/N/g;
                   1412:     $result =~ s/&\#0?79;/O/g;
                   1413:     $result =~ s/&\#0?80;/P/g;
                   1414:     $result =~ s/&\#0?81;/Q/g;
                   1415:     $result =~ s/&\#0?82;/R/g;
                   1416:     $result =~ s/&\#0?83;/S/g;
                   1417:     $result =~ s/&\#0?84;/T/g;
                   1418:     $result =~ s/&\#0?85;/U/g;
                   1419:     $result =~ s/&\#0?86;/V/g;
                   1420:     $result =~ s/&\#0?87;/W/g;
                   1421:     $result =~ s/&\#0?88;/X/g;
                   1422:     $result =~ s/&\#0?89;/Y/g;
                   1423:     $result =~ s/&\#0?90;/Z/g;
                   1424:     $result =~ s/&\#0?91;/[/g;
1.281     sakharuk 1425:     $result =~ s/&\#0?92;/\\ensuremath\{\\setminus\}/g;
1.116     sakharuk 1426:     $result =~ s/&\#0?93;/]/g;
1.281     sakharuk 1427:     $result =~ s/&\#(0?94|136);/\\ensuremath\{\\wedge\}/g;
1.116     sakharuk 1428:     $result =~ s/&\#(0?95|138|154);/\\underline{\\makebox[2mm]{\\strut}}/g;
                   1429:     $result =~ s/&\#(0?96|145);/\`/g;
                   1430:     $result =~ s/&\#0?97;/a/g;
                   1431:     $result =~ s/&\#0?98;/b/g;
                   1432:     $result =~ s/&\#0?99;/c/g;
                   1433:     $result =~ s/&\#100;/d/g;
                   1434:     $result =~ s/&\#101;/e/g;
                   1435:     $result =~ s/&\#102;/f/g;
                   1436:     $result =~ s/&\#103;/g/g;
                   1437:     $result =~ s/&\#104;/h/g;
                   1438:     $result =~ s/&\#105;/i/g;
                   1439:     $result =~ s/&\#106;/j/g;
                   1440:     $result =~ s/&\#107;/k/g;
                   1441:     $result =~ s/&\#108;/l/g;
                   1442:     $result =~ s/&\#109;/m/g;
                   1443:     $result =~ s/&\#110;/n/g;
                   1444:     $result =~ s/&\#111;/o/g;
                   1445:     $result =~ s/&\#112;/p/g;
                   1446:     $result =~ s/&\#113;/q/g;
                   1447:     $result =~ s/&\#114;/r/g;
                   1448:     $result =~ s/&\#115;/s/g;
                   1449:     $result =~ s/&\#116;/t/g;
                   1450:     $result =~ s/&\#117;/u/g;
                   1451:     $result =~ s/&\#118;/v/g;
                   1452:     $result =~ s/&\#119;/w/g;
                   1453:     $result =~ s/&\#120;/x/g;
                   1454:     $result =~ s/&\#121;/y/g;
                   1455:     $result =~ s/&\#122;/z/g;
                   1456:     $result =~ s/&\#123;/\\{/g;
                   1457:     $result =~ s/&\#124;/\|/g;
                   1458:     $result =~ s/&\#125;/\\}/g;
                   1459:     $result =~ s/&\#126;/\~/g;
                   1460:     $result =~ s/&\#131;/\\textflorin /g;
                   1461:     $result =~ s/&\#132;/\"/g;
1.281     sakharuk 1462:     $result =~ s/&\#133;/\\ensuremath\{\\ldots\}/g;
                   1463:     $result =~ s/&\#134;/\\ensuremath\{\\dagger\}/g;
                   1464:     $result =~ s/&\#135;/\\ensuremath\{\\ddagger\}/g;
1.116     sakharuk 1465:     $result =~ s/&\#137;/\\textperthousand /g;
                   1466:     $result =~ s/&\#140;/{\\OE}/g;
                   1467:     $result =~ s/&\#147;/\`\`/g;
                   1468:     $result =~ s/&\#148;/\'\'/g;
1.281     sakharuk 1469:     $result =~ s/&\#149;/\\ensuremath\{\\bullet\}/g;
1.494     albertel 1470:     $result =~ s/&(\#150|\#8211);/--/g;
1.116     sakharuk 1471:     $result =~ s/&\#151;/---/g;
1.281     sakharuk 1472:     $result =~ s/&\#152;/\\ensuremath\{\\sim\}/g;
1.116     sakharuk 1473:     $result =~ s/&\#153;/\\texttrademark /g;
                   1474:     $result =~ s/&\#156;/\\oe/g;
                   1475:     $result =~ s/&\#159;/\\\"Y/g;
1.283     albertel 1476:     $result =~ s/&(\#160|nbsp);/~/g;
1.116     sakharuk 1477:     $result =~ s/&(\#161|iexcl);/!\`/g;
                   1478:     $result =~ s/&(\#162|cent);/\\textcent /g;
                   1479:     $result =~ s/&(\#163|pound);/\\pounds /g; 
                   1480:     $result =~ s/&(\#164|curren);/\\textcurrency /g;
                   1481:     $result =~ s/&(\#165|yen);/\\textyen /g;
                   1482:     $result =~ s/&(\#166|brvbar);/\\textbrokenbar /g;
                   1483:     $result =~ s/&(\#167|sect);/\\textsection /g;
1.530     foxr     1484:     $result =~ s/&(\#168|uml);/\\"\{\} /g;
1.116     sakharuk 1485:     $result =~ s/&(\#169|copy);/\\copyright /g;
                   1486:     $result =~ s/&(\#170|ordf);/\\textordfeminine /g;
1.281     sakharuk 1487:     $result =~ s/&(\#172|not);/\\ensuremath\{\\neg\}/g;
1.116     sakharuk 1488:     $result =~ s/&(\#173|shy);/ - /g;
                   1489:     $result =~ s/&(\#174|reg);/\\textregistered /g;
1.281     sakharuk 1490:     $result =~ s/&(\#175|macr);/\\ensuremath\{^{-}\}/g;
                   1491:     $result =~ s/&(\#176|deg);/\\ensuremath\{^{\\circ}\}/g;
                   1492:     $result =~ s/&(\#177|plusmn);/\\ensuremath\{\\pm\}/g;
                   1493:     $result =~ s/&(\#178|sup2);/\\ensuremath\{^2\}/g;
                   1494:     $result =~ s/&(\#179|sup3);/\\ensuremath\{^3\}/g;
1.530     foxr     1495:     $result =~ s/&(\#180|acute);/\\'\{\} /g;
1.281     sakharuk 1496:     $result =~ s/&(\#181|micro);/\\ensuremath\{\\mu\}/g;
1.116     sakharuk 1497:     $result =~ s/&(\#182|para);/\\P/g;
1.281     sakharuk 1498:     $result =~ s/&(\#183|middot);/\\ensuremath\{\\cdot\}/g;
1.116     sakharuk 1499:     $result =~ s/&(\#184|cedil);/\\c{\\strut}/g;
1.281     sakharuk 1500:     $result =~ s/&(\#185|sup1);/\\ensuremath\{^1\}/g;
1.116     sakharuk 1501:     $result =~ s/&(\#186|ordm);/\\textordmasculine /g;
                   1502:     $result =~ s/&(\#188|frac14);/\\textonequarter /g;
                   1503:     $result =~ s/&(\#189|frac12);/\\textonehalf /g;
                   1504:     $result =~ s/&(\#190|frac34);/\\textthreequarters /g;
                   1505:     $result =~ s/&(\#191|iquest);/?\`/g;   
                   1506:     $result =~ s/&(\#192|Agrave);/\\\`{A}/g;  
                   1507:     $result =~ s/&(\#193|Aacute);/\\\'{A}/g; 
                   1508:     $result =~ s/&(\#194|Acirc);/\\^{A}/g;
                   1509:     $result =~ s/&(\#195|Atilde);/\\~{A}/g;
                   1510:     $result =~ s/&(\#196|Auml);/\\\"{A}/g; 
                   1511:     $result =~ s/&(\#197|Aring);/{\\AA}/g;
                   1512:     $result =~ s/&(\#198|AElig);/{\\AE}/g;
                   1513:     $result =~ s/&(\#199|Ccedil);/\\c{c}/g;
                   1514:     $result =~ s/&(\#200|Egrave);/\\\`{E}/g;  
                   1515:     $result =~ s/&(\#201|Eacute);/\\\'{E}/g;    
                   1516:     $result =~ s/&(\#202|Ecirc);/\\^{E}/g;
                   1517:     $result =~ s/&(\#203|Euml);/\\\"{E}/g;
                   1518:     $result =~ s/&(\#204|Igrave);/\\\`{I}/g;
                   1519:     $result =~ s/&(\#205|Iacute);/\\\'{I}/g;    
                   1520:     $result =~ s/&(\#206|Icirc);/\\^{I}/g;
                   1521:     $result =~ s/&(\#207|Iuml);/\\\"{I}/g;    
                   1522:     $result =~ s/&(\#209|Ntilde);/\\~{N}/g;
                   1523:     $result =~ s/&(\#210|Ograve);/\\\`{O}/g;
                   1524:     $result =~ s/&(\#211|Oacute);/\\\'{O}/g;
                   1525:     $result =~ s/&(\#212|Ocirc);/\\^{O}/g;
                   1526:     $result =~ s/&(\#213|Otilde);/\\~{O}/g;
                   1527:     $result =~ s/&(\#214|Ouml);/\\\"{O}/g;    
1.281     sakharuk 1528:     $result =~ s/&(\#215|times);/\\ensuremath\{\\times\}/g;
1.116     sakharuk 1529:     $result =~ s/&(\#216|Oslash);/{\\O}/g;
                   1530:     $result =~ s/&(\#217|Ugrave);/\\\`{U}/g;    
                   1531:     $result =~ s/&(\#218|Uacute);/\\\'{U}/g;
                   1532:     $result =~ s/&(\#219|Ucirc);/\\^{U}/g;
                   1533:     $result =~ s/&(\#220|Uuml);/\\\"{U}/g;
                   1534:     $result =~ s/&(\#221|Yacute);/\\\'{Y}/g;
1.329     sakharuk 1535:     $result =~ s/&(\#223|szlig);/{\\ss}/g;
1.116     sakharuk 1536:     $result =~ s/&(\#224|agrave);/\\\`{a}/g;
                   1537:     $result =~ s/&(\#225|aacute);/\\\'{a}/g;
                   1538:     $result =~ s/&(\#226|acirc);/\\^{a}/g;
                   1539:     $result =~ s/&(\#227|atilde);/\\~{a}/g;
                   1540:     $result =~ s/&(\#228|auml);/\\\"{a}/g;
                   1541:     $result =~ s/&(\#229|aring);/{\\aa}/g;
                   1542:     $result =~ s/&(\#230|aelig);/{\\ae}/g;
                   1543:     $result =~ s/&(\#231|ccedil);/\\c{c}/g;
                   1544:     $result =~ s/&(\#232|egrave);/\\\`{e}/g;
                   1545:     $result =~ s/&(\#233|eacute);/\\\'{e}/g;
                   1546:     $result =~ s/&(\#234|ecirc);/\\^{e}/g;
                   1547:     $result =~ s/&(\#235|euml);/\\\"{e}/g;
                   1548:     $result =~ s/&(\#236|igrave);/\\\`{i}/g;
                   1549:     $result =~ s/&(\#237|iacute);/\\\'{i}/g;
                   1550:     $result =~ s/&(\#238|icirc);/\\^{i}/g;
                   1551:     $result =~ s/&(\#239|iuml);/\\\"{i}/g;
1.281     sakharuk 1552:     $result =~ s/&(\#240|eth);/\\ensuremath\{\\partial\}/g;
1.116     sakharuk 1553:     $result =~ s/&(\#241|ntilde);/\\~{n}/g;
                   1554:     $result =~ s/&(\#242|ograve);/\\\`{o}/g;
                   1555:     $result =~ s/&(\#243|oacute);/\\\'{o}/g;
                   1556:     $result =~ s/&(\#244|ocirc);/\\^{o}/g;
                   1557:     $result =~ s/&(\#245|otilde);/\\~{o}/g;
                   1558:     $result =~ s/&(\#246|ouml);/\\\"{o}/g;
1.281     sakharuk 1559:     $result =~ s/&(\#247|divide);/\\ensuremath\{\\div\}/g;
1.116     sakharuk 1560:     $result =~ s/&(\#248|oslash);/{\\o}/g;
                   1561:     $result =~ s/&(\#249|ugrave);/\\\`{u}/g; 
                   1562:     $result =~ s/&(\#250|uacute);/\\\'{u}/g;
                   1563:     $result =~ s/&(\#251|ucirc);/\\^{u}/g;
                   1564:     $result =~ s/&(\#252|uuml);/\\\"{u}/g;
                   1565:     $result =~ s/&(\#253|yacute);/\\\'{y}/g;
                   1566:     $result =~ s/&(\#255|yuml);/\\\"{y}/g;
1.399     albertel 1567:     $result =~ s/&\#295;/\\ensuremath\{\\hbar\}/g;
1.281     sakharuk 1568:     $result =~ s/&\#952;/\\ensuremath\{\\theta\}/g;
1.117     sakharuk 1569: #Greek Alphabet
1.281     sakharuk 1570:     $result =~ s/&(alpha|\#945);/\\ensuremath\{\\alpha\}/g;
                   1571:     $result =~ s/&(beta|\#946);/\\ensuremath\{\\beta\}/g;
                   1572:     $result =~ s/&(gamma|\#947);/\\ensuremath\{\\gamma\}/g;
                   1573:     $result =~ s/&(delta|\#948);/\\ensuremath\{\\delta\}/g;
                   1574:     $result =~ s/&(epsilon|\#949);/\\ensuremath\{\\epsilon\}/g;
                   1575:     $result =~ s/&(zeta|\#950);/\\ensuremath\{\\zeta\}/g;
                   1576:     $result =~ s/&(eta|\#951);/\\ensuremath\{\\eta\}/g;
                   1577:     $result =~ s/&(theta|\#952);/\\ensuremath\{\\theta\}/g;
                   1578:     $result =~ s/&(iota|\#953);/\\ensuremath\{\\iota\}/g;
                   1579:     $result =~ s/&(kappa|\#954);/\\ensuremath\{\\kappa\}/g;
                   1580:     $result =~ s/&(lambda|\#955);/\\ensuremath\{\\lambda\}/g;
                   1581:     $result =~ s/&(mu|\#956);/\\ensuremath\{\\mu\}/g;
                   1582:     $result =~ s/&(nu|\#957);/\\ensuremath\{\\nu\}/g;
                   1583:     $result =~ s/&(xi|\#958);/\\ensuremath\{\\xi\}/g;
1.199     sakharuk 1584:     $result =~ s/&(omicron|\#959);/o/g;
1.281     sakharuk 1585:     $result =~ s/&(pi|\#960);/\\ensuremath\{\\pi\}/g;
                   1586:     $result =~ s/&(rho|\#961);/\\ensuremath\{\\rho\}/g;
                   1587:     $result =~ s/&(sigma|\#963);/\\ensuremath\{\\sigma\}/g;
                   1588:     $result =~ s/&(tau|\#964);/\\ensuremath\{\\tau\}/g;
                   1589:     $result =~ s/&(upsilon|\#965);/\\ensuremath\{\\upsilon\}/g;
                   1590:     $result =~ s/&(phi|\#966);/\\ensuremath\{\\phi\}/g;
                   1591:     $result =~ s/&(chi|\#967);/\\ensuremath\{\\chi\}/g;
                   1592:     $result =~ s/&(psi|\#968);/\\ensuremath\{\\psi\}/g;
                   1593:     $result =~ s/&(omega|\#969);/\\ensuremath\{\\omega\}/g;
                   1594:     $result =~ s/&(thetasym|\#977);/\\ensuremath\{\\vartheta\}/g;
                   1595:     $result =~ s/&(piv|\#982);/\\ensuremath\{\\varpi\}/g;
1.199     sakharuk 1596:     $result =~ s/&(Alpha|\#913);/A/g;
                   1597:     $result =~ s/&(Beta|\#914);/B/g;
1.281     sakharuk 1598:     $result =~ s/&(Gamma|\#915);/\\ensuremath\{\\Gamma\}/g;
                   1599:     $result =~ s/&(Delta|\#916);/\\ensuremath\{\\Delta\}/g;
1.199     sakharuk 1600:     $result =~ s/&(Epsilon|\#917);/E/g;
                   1601:     $result =~ s/&(Zeta|\#918);/Z/g;
                   1602:     $result =~ s/&(Eta|\#919);/H/g;
1.281     sakharuk 1603:     $result =~ s/&(Theta|\#920);/\\ensuremath\{\\Theta\}/g;
1.199     sakharuk 1604:     $result =~ s/&(Iota|\#921);/I/g;
                   1605:     $result =~ s/&(Kappa|\#922);/K/g;
1.281     sakharuk 1606:     $result =~ s/&(Lambda|\#923);/\\ensuremath\{\\Lambda\}/g;
1.199     sakharuk 1607:     $result =~ s/&(Mu|\#924);/M/g;
                   1608:     $result =~ s/&(Nu|\#925);/N/g;
1.281     sakharuk 1609:     $result =~ s/&(Xi|\#926);/\\ensuremath\{\\Xi\}/g;
1.199     sakharuk 1610:     $result =~ s/&(Omicron|\#927);/O/g;
1.281     sakharuk 1611:     $result =~ s/&(Pi|\#928);/\\ensuremath\{\\Pi\}/g;
1.199     sakharuk 1612:     $result =~ s/&(Rho|\#929);/P/g;
1.281     sakharuk 1613:     $result =~ s/&(Sigma|\#931);/\\ensuremath\{\\Sigma\}/g;
1.199     sakharuk 1614:     $result =~ s/&(Tau|\#932);/T/g;
1.281     sakharuk 1615:     $result =~ s/&(Upsilon|\#933);/\\ensuremath\{\\Upsilon\}/g;
                   1616:     $result =~ s/&(Phi|\#934);/\\ensuremath\{\\Phi\}/g;
1.199     sakharuk 1617:     $result =~ s/&(Chi|\#935);/X/g;
1.281     sakharuk 1618:     $result =~ s/&(Psi|\#936);/\\ensuremath\{\\Psi\}/g;
                   1619:     $result =~ s/&(Omega|\#937);/\\ensuremath\{\\Omega\}/g;
1.199     sakharuk 1620: #Arrows (extended HTML 4.01)
1.281     sakharuk 1621:     $result =~ s/&(larr|\#8592);/\\ensuremath\{\\leftarrow\}/g;
                   1622:     $result =~ s/&(uarr|\#8593);/\\ensuremath\{\\uparrow\}/g;
                   1623:     $result =~ s/&(rarr|\#8594);/\\ensuremath\{\\rightarrow\}/g;
                   1624:     $result =~ s/&(darr|\#8595);/\\ensuremath\{\\downarrow\}/g;
                   1625:     $result =~ s/&(harr|\#8596);/\\ensuremath\{\\leftrightarrow\}/g;
                   1626:     $result =~ s/&(lArr|\#8656);/\\ensuremath\{\\Leftarrow\}/g;
                   1627:     $result =~ s/&(uArr|\#8657);/\\ensuremath\{\\Uparrow\}/g;
                   1628:     $result =~ s/&(rArr|\#8658);/\\ensuremath\{\\Rightarrow\}/g;
                   1629:     $result =~ s/&(dArr|\#8659);/\\ensuremath\{\\Downarrow\}/g;
                   1630:     $result =~ s/&(hArr|\#8660);/\\ensuremath\{\\Leftrightarrow\}/g;
1.199     sakharuk 1631: #Mathematical Operators (extended HTML 4.01)
1.281     sakharuk 1632:     $result =~ s/&(forall|\#8704);/\\ensuremath\{\\forall\}/g;
                   1633:     $result =~ s/&(part|\#8706);/\\ensuremath\{\\partial\}/g;
                   1634:     $result =~ s/&(exist|\#8707);/\\ensuremath\{\\exists\}/g;
                   1635:     $result =~ s/&(empty|\#8709);/\\ensuremath\{\\emptyset\}/g;
                   1636:     $result =~ s/&(nabla|\#8711);/\\ensuremath\{\\nabla\}/g;
                   1637:     $result =~ s/&(isin|\#8712);/\\ensuremath\{\\in\}/g;
                   1638:     $result =~ s/&(notin|\#8713);/\\ensuremath\{\\notin\}/g;
                   1639:     $result =~ s/&(ni|\#8715);/\\ensuremath\{\\ni\}/g;
                   1640:     $result =~ s/&(prod|\#8719);/\\ensuremath\{\\prod\}/g;
                   1641:     $result =~ s/&(sum|\#8721);/\\ensuremath\{\\sum\}/g;
                   1642:     $result =~ s/&(minus|\#8722);/\\ensuremath\{-\}/g;
1.390     albertel 1643:     $result =~ s/–/\\ensuremath\{-\}/g;
1.281     sakharuk 1644:     $result =~ s/&(lowast|\#8727);/\\ensuremath\{*\}/g;
                   1645:     $result =~ s/&(radic|\#8730);/\\ensuremath\{\\surd\}/g;
                   1646:     $result =~ s/&(prop|\#8733);/\\ensuremath\{\\propto\}/g;
                   1647:     $result =~ s/&(infin|\#8734);/\\ensuremath\{\\infty\}/g;
                   1648:     $result =~ s/&(ang|\#8736);/\\ensuremath\{\\angle\}/g;
                   1649:     $result =~ s/&(and|\#8743);/\\ensuremath\{\\wedge\}/g;
                   1650:     $result =~ s/&(or|\#8744);/\\ensuremath\{\\vee\}/g;
                   1651:     $result =~ s/&(cap|\#8745);/\\ensuremath\{\\cap\}/g;
                   1652:     $result =~ s/&(cup|\#8746);/\\ensuremath\{\\cup\}/g;
                   1653:     $result =~ s/&(int|\#8747);/\\ensuremath\{\\int\}/g;
                   1654:     $result =~ s/&(sim|\#8764);/\\ensuremath\{\\sim\}/g;
                   1655:     $result =~ s/&(cong|\#8773);/\\ensuremath\{\\cong\}/g;
                   1656:     $result =~ s/&(asymp|\#8776);/\\ensuremath\{\\approx\}/g;
                   1657:     $result =~ s/&(ne|\#8800);/\\ensuremath\{\\not=\}/g;
                   1658:     $result =~ s/&(equiv|\#8801);/\\ensuremath\{\\equiv\}/g;
                   1659:     $result =~ s/&(le|\#8804);/\\ensuremath\{\\leq\}/g;
                   1660:     $result =~ s/&(ge|\#8805);/\\ensuremath\{\\geq\}/g;
                   1661:     $result =~ s/&(sub|\#8834);/\\ensuremath\{\\subset\}/g;
                   1662:     $result =~ s/&(sup|\#8835);/\\ensuremath\{\\supset\}/g;
                   1663:     $result =~ s/&(nsub|\#8836);/\\ensuremath\{\\not\\subset\}/g;
                   1664:     $result =~ s/&(sube|\#8838);/\\ensuremath\{\\subseteq\}/g;
                   1665:     $result =~ s/&(supe|\#8839);/\\ensuremath\{\\supseteq\}/g;
                   1666:     $result =~ s/&(oplus|\#8853);/\\ensuremath\{\\oplus\}/g;
                   1667:     $result =~ s/&(otimes|\#8855);/\\ensuremath\{\\otimes\}/g;
                   1668:     $result =~ s/&(perp|\#8869);/\\ensuremath\{\\perp\}/g;
                   1669:     $result =~ s/&(sdot|\#8901);/\\ensuremath\{\\cdot\}/g;
1.199     sakharuk 1670: #Geometric Shapes (extended HTML 4.01)
1.281     sakharuk 1671:     $result =~ s/&(loz|\#9674);/\\ensuremath\{\\Diamond\}/g;
1.199     sakharuk 1672: #Miscellaneous Symbols (extended HTML 4.01)
1.281     sakharuk 1673:     $result =~ s/&(spades|\#9824);/\\ensuremath\{\\spadesuit\}/g;
                   1674:     $result =~ s/&(clubs|\#9827);/\\ensuremath\{\\clubsuit\}/g;
                   1675:     $result =~ s/&(hearts|\#9829);/\\ensuremath\{\\heartsuit\}/g;
                   1676:     $result =~ s/&(diams|\#9830);/\\ensuremath\{\\diamondsuit\}/g;
1.495     foxr     1677: #   Chemically useful 'things' contributed by Hon Kie (bug 4652).
1.515     foxr     1678: 
1.495     foxr     1679:     $result =~ s/&\#8636;/\\ensuremath\{\\leftharpoonup\}/g;
                   1680:     $result =~ s/&\#8637;/\\ensuremath\{\\leftharpoondown\}/g;
                   1681:     $result =~ s/&\#8640;/\\ensuremath\{\\rightharpoonup\}/g;
                   1682:     $result =~ s/&\#8641;/\\ensuremath\{\\rightharpoondown\}/g;
                   1683:     $result =~ s/&\#8652;/\\ensuremath\{\\rightleftharpoons\}/g;
                   1684:     $result =~ s/&\#8605;/\\ensuremath\{\\leadsto\}/g;
                   1685:     $result =~ s/&\#8617;/\\ensuremath\{\\hookleftarrow\}/g;
                   1686:     $result =~ s/&\#8618;/\\ensuremath\{\\hookrightarrow\}/g;
                   1687:     $result =~ s/&\#8614;/\\ensuremath\{\\mapsto\}/g;
                   1688:     $result =~ s/&\#8599;/\\ensuremath\{\\nearrow\}/g;
                   1689:     $result =~ s/&\#8600;/\\ensuremath\{\\searrow\}/g;
                   1690:     $result =~ s/&\#8601;/\\ensuremath\{\\swarrow\}/g;
                   1691:     $result =~ s/&\#8598;/\\ensuremath\{\\nwarrow\}/g;
1.513     foxr     1692: 
                   1693:     # Left/right quotations:
                   1694: 
                   1695:     $result =~ s/&(ldquo|#8220);/\`\`/g;
                   1696:     $result =~ s/&(rdquo|#8221);/\'\'/g;
                   1697: 
                   1698: 
1.559     foxr     1699: 
1.37      sakharuk 1700:     return $result;
                   1701: }
1.41      sakharuk 1702: 
                   1703: 
1.327     albertel 1704:                   #width, height, oddsidemargin, evensidemargin, topmargin
                   1705: my %page_formats=
                   1706:     ('letter' => {
                   1707: 	 'book' => {
1.493     foxr     1708: 	     '1' => [ '7.1 in','9.8 in', '-0.57 in','-0.57 in','0.275 in'],
                   1709: 	     '2' => ['3.66 in','9.8 in', '-0.57 in','-0.57 in','0.275 in']
1.327     albertel 1710: 	 },
                   1711: 	 'album' => {
1.496     foxr     1712: 	     '1' => [ '8.8 in', '6.8 in','-0.55 in',  '-0.55 in','0.394 in'],
1.484     albertel 1713: 	     '2' => [ '4.8 in', '6.8 in','-0.5 in', '-1.0 in','3.5 in']
1.327     albertel 1714: 	 },
                   1715:      },
                   1716:      'legal' => {
                   1717: 	 'book' => {
                   1718: 	     '1' => ['7.1 in','13 in',,'-0.57 in','-0.57 in','-0.5 in'],
1.514     foxr     1719: 	     '2' => ['3.66 in','13 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1720: 	 },
                   1721: 	 'album' => {
1.376     albertel 1722: 	     '1' => ['12 in','7.1 in',,'-0.57 in','-0.57 in','-0.5 in'],
                   1723:              '2' => ['6.0 in','7.1 in','-1 in','-1 in','5 in']
1.327     albertel 1724:           },
                   1725:      },
                   1726:      'tabloid' => {
                   1727: 	 'book' => {
                   1728: 	     '1' => ['9.8 in','16 in','-0.57 in','-0.57 in','-0.5 in'],
                   1729: 	     '2' => ['4.9 in','16 in','-0.57 in','-0.57 in','-0.5 in']
                   1730: 	 },
                   1731: 	 'album' => {
1.376     albertel 1732: 	     '1' => ['16 in','9.8 in','-0.57 in','-0.57 in','-0.5 in'],
                   1733: 	     '2' => ['16 in','4.9 in','-0.57 in','-0.57 in','-0.5 in']
1.327     albertel 1734:           },
                   1735:      },
                   1736:      'executive' => {
                   1737: 	 'book' => {
                   1738: 	     '1' => ['6.8 in','9 in','-0.57 in','-0.57 in','1.2 in'],
                   1739: 	     '2' => ['3.1 in','9 in','-0.57 in','-0.57 in','1.2 in']
                   1740: 	 },
                   1741: 	 'album' => {
                   1742: 	     '1' => [],
                   1743: 	     '2' => []
                   1744:           },
                   1745:      },
                   1746:      'a2' => {
                   1747: 	 'book' => {
                   1748: 	     '1' => [],
                   1749: 	     '2' => []
                   1750: 	 },
                   1751: 	 'album' => {
                   1752: 	     '1' => [],
                   1753: 	     '2' => []
                   1754:           },
                   1755:      },
                   1756:      'a3' => {
                   1757: 	 'book' => {
                   1758: 	     '1' => [],
                   1759: 	     '2' => []
                   1760: 	 },
                   1761: 	 'album' => {
                   1762: 	     '1' => [],
                   1763: 	     '2' => []
                   1764:           },
                   1765:      },
                   1766:      'a4' => {
                   1767: 	 'book' => {
1.493     foxr     1768: 	     '1' => ['17.6 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm'],
1.496     foxr     1769: 	     '2' => [ '9.1 cm','27.2 cm','-1.397 cm','-2.11 cm','-1.27 cm']
1.327     albertel 1770: 	 },
                   1771: 	 'album' => {
1.496     foxr     1772: 	     '1' => ['21.59 cm','19.558 cm','-1.397cm','-2.11 cm','0 cm'],
1.493     foxr     1773: 	     '2' => ['9.91 cm','19.558 cm','-1.397 cm','-2.11 cm','0 cm']
1.327     albertel 1774: 	 },
                   1775:      },
                   1776:      'a5' => {
                   1777: 	 'book' => {
                   1778: 	     '1' => [],
                   1779: 	     '2' => []
                   1780: 	 },
                   1781: 	 'album' => {
                   1782: 	     '1' => [],
                   1783: 	     '2' => []
                   1784:           },
                   1785:      },
                   1786:      'a6' => {
                   1787: 	 'book' => {
                   1788: 	     '1' => [],
                   1789: 	     '2' => []
                   1790: 	 },
                   1791: 	 'album' => {
                   1792: 	     '1' => [],
                   1793: 	     '2' => []
                   1794:           },
                   1795:      },
                   1796:      );
                   1797: 
1.177     sakharuk 1798: sub page_format {
1.140     sakharuk 1799: #
1.326     sakharuk 1800: #Supported paper format: "Letter [8 1/2x11 in]",      "Legal [8 1/2x14 in]",
                   1801: #                        "Ledger/Tabloid [11x17 in]", "Executive [7 1/2x10 in]",
                   1802: #                        "A2 [420x594 mm]",           "A3 [297x420 mm]",
                   1803: #                        "A4 [210x297 mm]",           "A5 [148x210 mm]",
                   1804: #                        "A6 [105x148 mm]"
1.140     sakharuk 1805: # 
                   1806:     my ($papersize,$layout,$numberofcolumns) = @_; 
1.327     albertel 1807:     return @{$page_formats{$papersize}->{$layout}->{$numberofcolumns}};
1.140     sakharuk 1808: }
1.76      sakharuk 1809: 
                   1810: 
1.126     albertel 1811: sub get_name {
                   1812:     my ($uname,$udom)=@_;
1.373     albertel 1813:     if (!defined($uname)) { $uname=$env{'user.name'}; }
                   1814:     if (!defined($udom)) { $udom=$env{'user.domain'}; }
1.126     albertel 1815:     my $plainname=&Apache::loncommon::plainname($uname,$udom);
1.213     albertel 1816:     if ($plainname=~/^\s*$/) { $plainname=$uname.'@'.$udom; }
1.453     foxr     1817:    $plainname=&Apache::lonxml::latex_special_symbols($plainname,'header');
1.213     albertel 1818:     return $plainname;
1.126     albertel 1819: }
                   1820: 
1.213     albertel 1821: sub get_course {
                   1822:     my $courseidinfo;
1.373     albertel 1823:     if (defined($env{'request.course.id'})) {
1.439     www      1824: 	$courseidinfo = &Apache::lonxml::latex_special_symbols(&unescape($env{'course.'.$env{'request.course.id'}.'.description'}),'header');
1.537     foxr     1825: 	my $sec = $env{'request.course.sec'};
                   1826: 	    
1.213     albertel 1827:     }
                   1828:     return $courseidinfo;
                   1829: }
1.177     sakharuk 1830: 
1.76      sakharuk 1831: sub page_format_transformation {
1.312     sakharuk 1832:     my ($papersize,$layout,$numberofcolumns,$choice,$text,$assignment,$tableofcontents,$indexlist,$selectionmade) = @_; 
1.202     sakharuk 1833:     my ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin);
1.454     foxr     1834: 
1.312     sakharuk 1835:     if ($selectionmade eq '4') {
1.502     foxr     1836: 	if ($choice eq 'all_problems') {
1.561     bisitz   1837:             $assignment=&mt('Problems from the Whole Course');
1.502     foxr     1838: 	} else {
1.561     bisitz   1839:             $assignment=&mt('Resources from the Whole Course');
1.502     foxr     1840: 	}
1.312     sakharuk 1841:     } else {
                   1842: 	$assignment=&Apache::lonxml::latex_special_symbols($assignment,'header');
                   1843:     }
1.261     sakharuk 1844:     ($textwidth,$textheight,$oddoffset,$evenoffset,$topmargin) = &page_format($papersize,$layout,$numberofcolumns,$topmargin);
1.454     foxr     1845: 
                   1846: 
1.126     albertel 1847:     my $name = &get_name();
1.213     albertel 1848:     my $courseidinfo = &get_course();
1.455     albertel 1849:     my $header_text  = $parmhash{'print_header_format'};
1.486     foxr     1850:     $header_text     = &format_page_header($textwidth, $header_text, $assignment,
1.455     albertel 1851: 					   $courseidinfo, $name);
1.319     sakharuk 1852:     my $topmargintoinsert = '';
                   1853:     if ($topmargin ne '0') {$topmargintoinsert='\setlength{\topmargin}{'.$topmargin.'}';}
1.325     sakharuk 1854:     my $fancypagestatement='';
                   1855:     if ($numberofcolumns eq '2') {
1.455     albertel 1856: 	$fancypagestatement="\\fancyhead{}\\fancyhead[LO]{$header_text}";
1.325     sakharuk 1857:     } else {
1.455     albertel 1858: 	$fancypagestatement="\\rhead{}\\chead{}\\lhead{$header_text}";
1.325     sakharuk 1859:     }
1.140     sakharuk 1860:     if ($layout eq 'album') {
1.550     foxr     1861: 	    $text =~ s/\\begin{document}/\\setlength{\\oddsidemargin}{$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}$fancypagestatement\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8 cm\\setcounter{page}{1}\n /;
1.140     sakharuk 1862:     } elsif ($layout eq 'book') {
                   1863: 	if ($choice ne 'All class print') { 
1.550     foxr     1864: 	    $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 1865: 	} else {
1.550     foxr     1866: 	    $text =~ s/\\pagestyle{fancy}\\rhead{}\\chead{}\s*\\begin{document}/\\textheight = $textheight\\oddsidemargin = $evenoffset\n\\evensidemargin = $evenoffset $topmargintoinsert\\textwidth= $textwidth\\newlength{\\minipagewidth}\n\\setlength{\\minipagewidth}{\\textwidth\/\$number_of_columns-0\.2cm}\\renewcommand{\\ref}{\\keephidden\}\\pagestyle{fancy}\\rhead{}\\chead{}\\usepackage{booktabs}\\begin{document}\\voffset=-0\.8cm\n\\setcounter{page}{1}  \\vskip 5 mm\n /;
1.319     sakharuk 1867: 	}
1.326     sakharuk 1868: 	if ($papersize eq 'a4') {
1.575     foxr     1869: 	    my $papersize_text;
                   1870: 	    if ($perm{'pav'}) {
                   1871: 		$papersize_text = '\\special{papersize=210mm,297mm}';
                   1872: 	    } else {
                   1873: 		$papersize_text = '\special{papersize=210mm,297mm}';
                   1874: 	    }
                   1875: 	    $text =~ s/(\\begin{document})/$1$papersize_text/;
1.140     sakharuk 1876: 	}
                   1877:     }
1.214     sakharuk 1878:     if ($tableofcontents eq 'yes') {$text=~s/(\\setcounter\{page\}\{1\})/$1 \\tableofcontents\\newpage /;}
                   1879:     if ($indexlist eq 'yes') {
                   1880: 	$text=~s/(\\begin{document})/\\makeindex $1/;
                   1881: 	$text=~s/(\\end{document})/\\strut\\\\\\strut\\printindex $1/;
                   1882:     }
1.140     sakharuk 1883:     return $text;
                   1884: }
                   1885: 
                   1886: 
1.33      sakharuk 1887: sub page_cleanup {
                   1888:     my $result = shift;	
1.65      sakharuk 1889:  
                   1890:     $result =~ m/\\end{document}(\d*)$/;
1.34      sakharuk 1891:     my $number_of_columns = $1;
1.33      sakharuk 1892:     my $insert = '{';
1.34      sakharuk 1893:     for (my $id=1;$id<=$number_of_columns;$id++) { $insert .='l'; }
1.33      sakharuk 1894:     $insert .= '}';
1.65      sakharuk 1895:     $result =~ s/(\\begin{longtable})INSERTTHEHEADOFLONGTABLE\\endfirsthead\\endhead/$1$insert/g;
1.34      sakharuk 1896:     $result =~ s/&\s*REMOVETHEHEADOFLONGTABLE\\\\/\\\\/g;
                   1897:     return $result,$number_of_columns;
1.7       sakharuk 1898: }
1.5       sakharuk 1899: 
1.3       sakharuk 1900: 
1.60      sakharuk 1901: sub details_for_menu {
1.335     albertel 1902:     my ($helper)=@_;
1.373     albertel 1903:     my $postdata=$env{'form.postdata'};
1.335     albertel 1904:     if (!$postdata) { $postdata=$helper->{VARS}{'postdata'}; }
                   1905:     my $name_of_resource = &Apache::lonnet::gettitle($postdata);
                   1906:     my $symbolic = &Apache::lonnet::symbread($postdata);
1.482     albertel 1907:     return if ( $symbolic eq '');
                   1908: 
1.233     www      1909:     my ($map,$id,$resource)=&Apache::lonnet::decode_symb($symbolic);
1.123     albertel 1910:     $map=&Apache::lonnet::clutter($map);
1.269     albertel 1911:     my $name_of_sequence = &Apache::lonnet::gettitle($map);
1.63      albertel 1912:     if ($name_of_sequence =~ /^\s*$/) {
1.123     albertel 1913: 	$map =~ m|([^/]+)$|;
                   1914: 	$name_of_sequence = $1;
1.63      albertel 1915:     }
1.373     albertel 1916:     my $name_of_map = &Apache::lonnet::gettitle($env{'request.course.uri'});
1.63      albertel 1917:     if ($name_of_map =~ /^\s*$/) {
1.373     albertel 1918: 	$env{'request.course.uri'} =~ m|([^/]+)$|;
1.123     albertel 1919: 	$name_of_map = $1;
                   1920:     }
1.335     albertel 1921:     return ($name_of_resource,$name_of_sequence,$name_of_map);
1.76      sakharuk 1922: }
                   1923: 
1.476     albertel 1924: sub copyright_line {
                   1925:     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 } ';
                   1926: }
                   1927: my $end_of_student = "\n".'\special{ps:ENDOFSTUDENTSTAMP}'."\n";
1.76      sakharuk 1928: 
                   1929: sub latex_corrections {
1.408     albertel 1930:     my ($number_of_columns,$result,$selectionmade,$answer_mode) = @_;
1.185     sakharuk 1931: #    $result =~ s/\\includegraphics{/\\includegraphics\[width=\\minipagewidth\]{/g;
1.476     albertel 1932:     my $copyright = &copyright_line();
1.408     albertel 1933:     if ($selectionmade eq '1' || $answer_mode eq 'only') {
1.476     albertel 1934: 	$result =~ s/(\\end{document})/\\strut\\vskip 0 mm $copyright $end_of_student $1/;
1.408     albertel 1935:     } else {
1.476     albertel 1936: 	$result =~ s/(\\end{document})/\\strut\\vspace\*{-4 mm}\\newline $copyright $end_of_student $1/;
1.316     sakharuk 1937:     }
1.476     albertel 1938:     $result =~ s/\$number_of_columns/$number_of_columns/g;
1.91      sakharuk 1939:     $result =~ s/(\\end{longtable}\s*)(\\strut\\newline\\noindent\\makebox\[\\textwidth\/$number_of_columns\]\[b\]{\\hrulefill})/$2$1/g;
                   1940:     $result =~ s/(\\end{longtable}\s*)\\strut\\newline/$1/g;
1.76      sakharuk 1941: #-- LaTeX corrections     
                   1942:     my $first_comment = index($result,'<!--',0);
                   1943:     while ($first_comment != -1) {
                   1944: 	my $end_comment = index($result,'-->',$first_comment);
                   1945: 	substr($result,$first_comment,$end_comment-$first_comment+3) = '';
                   1946: 	$first_comment = index($result,'<!--',$first_comment);
                   1947:     }
                   1948:     $result =~ s/^\s+$//gm; #remove empty lines
1.377     albertel 1949:     #removes more than one empty space
                   1950:     $result =~ s|(\s\s+)|($1=~/[\n\r]/)?"\n":" "|ge;
1.76      sakharuk 1951:     $result =~ s/\\\\\s*\\vskip/\\vskip/gm;
                   1952:     $result =~ s/\\\\\s*\\noindent\s*(\\\\)+/\\\\\\noindent /g;
                   1953:     $result =~ s/{\\par }\s*\\\\/\\\\/gm;
1.313     sakharuk 1954:     $result =~ s/\\\\\s+\[/ \[/g;
1.76      sakharuk 1955:     #conversion of html characters to LaTeX equivalents
                   1956:     if ($result =~ m/&(\w+|#\d+);/) {
                   1957: 	$result = &character_chart($result);
                   1958:     }
                   1959:     $result =~ s/(\\end{tabular})\s*\\vskip 0 mm/$1/g;
                   1960:     $result =~ s/(\\begin{enumerate})\s*\\noindent/$1/g;
                   1961:     return $result;
1.60      sakharuk 1962: }
                   1963: 
1.3       sakharuk 1964: 
1.214     sakharuk 1965: sub index_table {
                   1966:     my $currentURL = shift;
                   1967:     my $insex_string='';
                   1968:     $currentURL=~s/\.([^\/+])$/\.$1\.meta/;
                   1969:     $insex_string=&Apache::lonnet::metadata($currentURL,'keywords');
                   1970:     return $insex_string;
                   1971: }
                   1972: 
                   1973: 
1.215     sakharuk 1974: sub IndexCreation {
                   1975:     my ($texversion,$currentURL)=@_;
                   1976:     my @key_words=split(/,/,&index_table($currentURL));
                   1977:     my $chunk='';
                   1978:     my $st=index $texversion,'\addcontentsline{toc}{subsection}{';
                   1979:     if ($st>0) {
                   1980: 	for (my $i=0;$i<3;$i++) {$st=(index $texversion,'}',$st+1);}
                   1981: 	$chunk=substr($texversion,0,$st+1);
                   1982: 	substr($texversion,0,$st+1)=' ';
                   1983:     }
                   1984:     foreach my $key_word (@key_words) {
                   1985: 	if ($key_word=~/\S+/) {
                   1986: 	    $texversion=~s/\b($key_word)\b/$1 \\index{$key_word} /i;
                   1987: 	}
                   1988:     }			
                   1989:     if ($st>0) {substr($texversion,0,1)=$chunk;}
                   1990:     return $texversion;
                   1991: }
                   1992: 
1.242     sakharuk 1993: sub print_latex_header {
                   1994:     my $mode=shift;
1.550     foxr     1995: 
                   1996:     return &Apache::londefdef::latex_header($mode);
1.242     sakharuk 1997: }
                   1998: 
                   1999: sub path_to_problem {
1.328     albertel 2000:     my ($urlp,$colwidth)=@_;
1.404     albertel 2001:     $urlp=&Apache::lonnet::clutter($urlp);
                   2002: 
1.242     sakharuk 2003:     my $newurlp = '';
1.328     albertel 2004:     $colwidth=~s/\s*mm\s*$//;
                   2005: #characters average about 2 mm in width
1.360     albertel 2006:     if (length($urlp)*2 > $colwidth) {
1.404     albertel 2007: 	my @elements = split('/',$urlp);
1.328     albertel 2008: 	my $curlength=0;
                   2009: 	foreach my $element (@elements) {
1.404     albertel 2010: 	    if ($element eq '') { next; }
1.328     albertel 2011: 	    if ($curlength+(length($element)*2) > $colwidth) {
1.404     albertel 2012: 		$newurlp .=  '|\vskip -1 mm \verb|';
                   2013: 		$curlength=length($element)*2;
1.328     albertel 2014: 	    } else {
                   2015: 		$curlength+=length($element)*2;
1.242     sakharuk 2016: 	    }
1.328     albertel 2017: 	    $newurlp.='/'.$element;
1.242     sakharuk 2018: 	}
1.253     sakharuk 2019:     } else {
                   2020: 	$newurlp=$urlp;
1.242     sakharuk 2021:     }
                   2022:     return '{\small\noindent\verb|'.$newurlp.'|\vskip 0 mm}';
                   2023: }
1.215     sakharuk 2024: 
1.275     sakharuk 2025: sub recalcto_mm {
                   2026:     my $textwidth=shift;
                   2027:     my $LaTeXwidth;
1.339     albertel 2028:     if ($textwidth=~/(-?\d+\.?\d*)\s*cm/) {
1.275     sakharuk 2029: 	$LaTeXwidth = $1*10;
1.339     albertel 2030:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*mm/) {
1.275     sakharuk 2031: 	$LaTeXwidth = $1;
1.339     albertel 2032:     } elsif ($textwidth=~/(-?\d+\.?\d*)\s*in/) {
1.275     sakharuk 2033: 	$LaTeXwidth = $1*25.4;
                   2034:     }
                   2035:     $LaTeXwidth.=' mm';
                   2036:     return $LaTeXwidth;
                   2037: }
                   2038: 
1.285     albertel 2039: sub get_textwidth {
                   2040:     my ($helper,$LaTeXwidth)=@_;
1.286     albertel 2041:     my $textwidth=$LaTeXwidth;
1.285     albertel 2042:     if ($helper->{'VARS'}->{'pagesize.width'}=~/\d+/ &&
                   2043: 	$helper->{'VARS'}->{'pagesize.widthunit'}=~/\w+/) {
1.286     albertel 2044: 	$textwidth=&recalcto_mm($helper->{'VARS'}->{'pagesize.width'}.' '.
                   2045: 				$helper->{'VARS'}->{'pagesize.widthunit'});
1.285     albertel 2046:     }
1.286     albertel 2047:     return $textwidth;
1.285     albertel 2048: }
                   2049: 
1.296     sakharuk 2050: 
                   2051: sub unsupported {
1.414     albertel 2052:     my ($currentURL,$mode,$symb)=@_;
1.307     sakharuk 2053:     if ($mode ne '') {$mode='\\'.$mode}
1.308     sakharuk 2054:     my $result.= &print_latex_header($mode);
1.414     albertel 2055:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   2056: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   2057: 	my $title=&Apache::lonnet::gettitle($symb);
                   2058: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   2059: 	$result.=' \strut \\\\ '.$title.' \strut \\\\ '.$currentURL.' ';
1.296     sakharuk 2060:     } else {
                   2061: 	$result.=$currentURL;
                   2062:     }
1.419     albertel 2063:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
1.296     sakharuk 2064:     return $result;
                   2065: }
                   2066: 
1.559     foxr     2067: #
                   2068: #  Map from helper layout style to the book/album:
                   2069: #
                   2070: sub map_laystyle {
                   2071:     my ($laystyle) = @_;
                   2072:     if ($laystyle eq 'L') {
                   2073: 	$laystyle='album';
                   2074:     } else {
                   2075: 	$laystyle='book';
                   2076:     }
                   2077:     return $laystyle;
                   2078: }
                   2079: 
                   2080: sub print_page_in_course {
                   2081:     my ($helper, $rparmhash, $currentURL, $resources) = @_;
1.602     www      2082: 
1.559     foxr     2083:     my %parmhash       = %$rparmhash;
                   2084:     my @page_resources = @$resources;
                   2085:     my $mode = $helper->{'VARS'}->{'LATEX_TYPE'};
                   2086:     my $symb = $helper->{'VARS'}->{'symb'};
                   2087: 
                   2088: 
                   2089:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2090: 
                   2091: 
                   2092:     my @temporary_array=split /\|/,$format_from_helper;
                   2093:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
                   2094:     $laystyle = &map_laystyle($laystyle);
                   2095:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,
                   2096: 								      $numberofcolumns);
                   2097:     my $LaTeXwidth=&recalcto_mm($textwidth); 
                   2098: 
                   2099: 
                   2100:     if ($mode ne '') {$mode='\\'.$mode}
1.562     foxr     2101:     my $result   =    &print_latex_header($mode);
1.559     foxr     2102:     if ($currentURL=~m|^(/adm/wrapper/)?ext/|) {
                   2103: 	$currentURL=~s|^(/adm/wrapper/)?ext/|http://|;
                   2104: 	my $title=&Apache::lonnet::gettitle($symb);
                   2105: 	$title = &Apache::lonxml::latex_special_symbols($title);
                   2106:     } else {
1.582     raeburn  2107:         my $esc_currentURL= $currentURL;
                   2108:         $esc_currentURL =~ s/_/\\_/g;
                   2109: 	$result.=$esc_currentURL;
1.559     foxr     2110:     }
                   2111:     $result .= '\\\\';
                   2112: 
                   2113:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
                   2114: 	&Apache::lonnet::appenv({'construct.style' =>
                   2115: 				$helper->{'VARS'}->{'style_file'}});
                   2116:     } elsif ($env{'construct.style'}) {
                   2117: 	&Apache::lonnet::delenv('construct.style');
                   2118:     }
                   2119: 
                   2120:     # First is the overall page description.  This is then followed by the 
                   2121:     # components of the page. Each of which must be printed independently.
1.564     foxr     2122:     my $the_page = shift(@page_resources); 
1.559     foxr     2123: 
                   2124: 
                   2125:     foreach my $resource (@page_resources) {
                   2126: 	my $resource_src   = $resource->src(); # Essentially the URL of the resource.
                   2127: 	$result           .= $resource->title() . '\\\\';
                   2128: 
                   2129: 	# Recurse if a .page:
                   2130: 
                   2131: 	if ($resource_src =~ /.page$/i) {
                   2132: 	    my $navmap         = Apache::lonnavmaps::navmap->new();
                   2133: 	    my @page_resources = $navmap->retrieveResources($resource_src);
                   2134: 	    $result           .= &print_page_in_course($helper, $rparmhash, 
                   2135: 						       $resource_src, \@page_resources);
                   2136: 	}
                   2137: 	# these resources go through the XML transformer:
                   2138: 
1.602     www      2139: 	elsif ($resource_src =~ /\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/)  {
                   2140: 
1.559     foxr     2141: 	    my $urlp = &Apache::lonnet::clutter($resource_src);
1.602     www      2142: 
1.559     foxr     2143: 	    my %form;
                   2144: 	    my %moreenv;
                   2145: 
                   2146: 	    &Apache::lonxml::remember_problem_counter();
                   2147: 	    $moreenv{'request.filename'}=$urlp;
                   2148: 	    if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
                   2149: 
                   2150: 	    $form{'grade_target'}  = 'tex';
                   2151: 	    $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.576     raeburn  2152: 	    $form{'pdfFormFields'} = $pdfFormFields; # 
1.559     foxr     2153: 	    $form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};    
                   2154: 	    
                   2155: 	    $form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2156: 	    $form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2157: 	    $form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2158: 	    $form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
                   2159: 	    $form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2160: 	    if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2161: 		($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2162: 		$form{'problem_split'}='yes';
                   2163: 	    }
                   2164: 	    my $rndseed = time;
                   2165: 	    if ($helper->{'VARS'}->{'curseed'}) {
                   2166: 		$rndseed=$helper->{'VARS'}->{'curseed'};
                   2167: 	    }
                   2168: 	    $form{'rndseed'}=$rndseed;
                   2169: 	    &Apache::lonnet::appenv(\%moreenv);
                   2170: 	    
                   2171: 	    &Apache::lonxml::clear_problem_counter();
                   2172: 
                   2173: 	    my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
                   2174: 
                   2175: 
                   2176: 	    # current document with answers.. no need to encap in minipage
                   2177: 	    #  since there's only one answer.
                   2178: 
                   2179: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2180: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
                   2181: 		my %answerform = %form;
                   2182: 
                   2183: 
                   2184: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2185: 		$answerform{'grade_target'}='answer';
                   2186: 		$answerform{'answer_output_mode'}='tex';
                   2187: 		$answerform{'rndseed'}=$rndseed;
                   2188:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2189: 		    $answerform{'problemtype'}='exam';
                   2190: 		}
                   2191: 		$resources_printed .= $urlp.':';
                   2192: 		my $answer=&ssi_with_retries($urlp,$ssi_retry_count, %answerform);
                   2193: 
                   2194: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2195: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2196: 		} else {
1.562     foxr     2197: 		    $texversion= &print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.559     foxr     2198: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
                   2199: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2200: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2201: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   2202: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
                   2203: 		    } else {
1.602     www      2204: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
                   2205:                         &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   2206: 			$texversion.=&path_to_problem($urlp,$LaTeXwidth);
1.559     foxr     2207: 		    }
                   2208: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2209: 		}
                   2210: 
                   2211: 
                   2212: 		
                   2213: 
                   2214: 	    
                   2215: 	    }
                   2216: 	    # Print annotations.
                   2217: 
                   2218: 
                   2219: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2220: 		my $annotation .= &annotate($currentURL);
                   2221: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2222: 	    }
                   2223: 	    
                   2224: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2225: 		$texversion=&IndexCreation($texversion,$currentURL);
                   2226: 	    }
                   2227: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2228: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2229: 
                   2230: 	    }
1.562     foxr     2231: 	    $texversion = &latex_header_footer_remove($texversion);
                   2232: 
                   2233: 	    # the first remaining line is a comment from londefdef the second
                   2234: 	    # line  seems to be an extraneous \vskip 1mm \\\\ :
                   2235:             # (imperfect removal from header_footer_remove?
                   2236: 
                   2237: 	    $texversion =~ s/\\vskip 1mm \\\\\\\\//;
                   2238: 
1.559     foxr     2239: 	    $result .= $texversion;
                   2240: 	    if ($currentURL=~m/\.page\s*$/) {
                   2241: 		($result,$numberofcolumns) = &page_cleanup($result);
                   2242: 	    }
                   2243: 	}
                   2244:     }
                   2245: 
                   2246:     $result.= '\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill} \end{document}';
                   2247:     return $result;
                   2248: }
                   2249: 
1.296     sakharuk 2250: 
1.363     foxr     2251: #
1.395     www      2252: # List of recently generated print files
                   2253: #
                   2254: sub recently_generated {
1.584     raeburn  2255:     my ($prtspool) = @_;
                   2256:     my $output;
1.400     albertel 2257:     my $zip_result;
                   2258:     my $pdf_result;
1.395     www      2259:     opendir(DIR,$prtspool);
1.400     albertel 2260: 
                   2261:     my @files = 
                   2262: 	grep(/^$env{'user.name'}_$env{'user.domain'}_printout_(\d+)_.*\.(pdf|zip)$/,readdir(DIR));
1.395     www      2263:     closedir(DIR);
1.400     albertel 2264: 
                   2265:     @files = sort {
                   2266: 	my ($actime) = (stat($prtspool.'/'.$a))[10];
                   2267: 	my ($bctime) = (stat($prtspool.'/'.$b))[10];
                   2268: 	return $bctime <=> $actime;
                   2269:     } (@files);
                   2270: 
                   2271:     foreach my $filename (@files) {
                   2272: 	my ($ext) = ($filename =~ m/(pdf|zip)$/);
                   2273: 	my ($cdev,$cino,$cmode,$cnlink,
                   2274: 	    $cuid,$cgid,$crdev,$csize,
                   2275: 	    $catime,$cmtime,$cctime,
                   2276: 	    $cblksize,$cblocks)=stat($prtspool.'/'.$filename);
1.544     bisitz   2277:         my $ext_text = 'pdf' ? &mt('PDF File'):&mt('Zip File');
                   2278: 	my $result=&Apache::loncommon::start_data_table_row()
                   2279:                   .'<td>'
                   2280:                   .'<a href="/prtspool/'.$filename.'">'.$ext_text.'</a>'
                   2281:                   .'</td>'
                   2282:                   .'<td>'.&Apache::lonlocal::locallocaltime($cctime).'</td>'
                   2283:                   .'<td align="right">'.$csize.'</td>'
                   2284:                   .&Apache::loncommon::end_data_table_row();
1.400     albertel 2285: 	if ($ext eq 'pdf') { $pdf_result .= $result; }
                   2286: 	if ($ext eq 'zip') { $zip_result .= $result; }
                   2287:     }
1.544     bisitz   2288:     if ($zip_result || $pdf_result) {
1.584     raeburn  2289:         $output ='<hr />';
1.544     bisitz   2290:     }
1.400     albertel 2291:     if ($zip_result) {
1.584     raeburn  2292: 	$output .='<h3>'.&mt('Recently generated printout zip files')."</h3>\n"
1.544     bisitz   2293:                   .&Apache::loncommon::start_data_table()
                   2294:                   .&Apache::loncommon::start_data_table_header_row()
                   2295:                   .'<th>'.&mt('Download').'</th>'
                   2296:                   .'<th>'.&mt('Creation Date').'</th>'
                   2297:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2298:                   .&Apache::loncommon::end_data_table_header_row()
                   2299:                   .$zip_result
1.584     raeburn  2300:                   .&Apache::loncommon::end_data_table();
1.400     albertel 2301:     }
                   2302:     if ($pdf_result) {
1.584     raeburn  2303: 	$output .='<h3>'.&mt('Recently generated printouts')."</h3>\n"
1.544     bisitz   2304:                   .&Apache::loncommon::start_data_table()
                   2305:                   .&Apache::loncommon::start_data_table_header_row()
                   2306:                   .'<th>'.&mt('Download').'</th>'
                   2307:                   .'<th>'.&mt('Creation Date').'</th>'
                   2308:                   .'<th>'.&mt('File Size (Bytes)').'</th>'
                   2309:                   .&Apache::loncommon::end_data_table_header_row()
                   2310:                   .$pdf_result
1.584     raeburn  2311:                   .&Apache::loncommon::end_data_table();
1.396     albertel 2312:     }
1.584     raeburn  2313:     return $output;
1.395     www      2314: }
                   2315: 
                   2316: #
1.363     foxr     2317: #   Retrieve the hash of page breaks.
                   2318: #
                   2319: #  Inputs:
                   2320: #    helper   - reference to helper object.
                   2321: #  Outputs
                   2322: #    A reference to a page break hash.
                   2323: #
                   2324: #
1.610     foxr     2325: # use Data::Dumper;
1.569     foxr     2326: # sub dump_helper_vars {
1.418     foxr     2327: #    my ($helper) = @_;
                   2328: #    my $helpervars = Dumper($helper->{'VARS'});
                   2329: #    &Apache::lonnet::logthis("Dump of helper vars:\n $helpervars");
                   2330: #}
1.363     foxr     2331: 
1.481     albertel 2332: sub get_page_breaks  {
                   2333:     my ($helper) = @_;
                   2334:     my %page_breaks;
                   2335: 
                   2336:     foreach my $break (split /\|\|\|/, $helper->{'VARS'}->{'FINISHPAGE'}) {
                   2337: 	$page_breaks{$break} = 1;
                   2338:     }
                   2339:     return %page_breaks;
                   2340: }
1.569     foxr     2341: # 
                   2342: #   Returns text to insert for any extra vskip prior to the resource.
                   2343: #   Parameters:
                   2344: #     helper   - Reference to the helper object driving the printout.
                   2345: #     resource - Identifies the resource about to be printed.
                   2346: #
                   2347: #   This is done as follows:
                   2348: #    POSSIBLE_RESOURCES has the list of possible resources.
                   2349: #    EXTRASPACE         has the list of extra space values.
1.570     foxr     2350: #    EXTRASPACE_UNITS   is the set of resources for which the units are
                   2351: #                       mm. All others are 'in'.
1.569     foxr     2352: #    
                   2353: #    The resource is found in the POSSIBLE_RESOURCES to get the index
                   2354: #    of the EXTRASPACE value.
                   2355: #
                   2356: #   In order to speed this up for lengthy printouts, the first time,
                   2357: #   POSSIBLE_RESOURCES is turned into a look up hash and
                   2358: #   EXTRASPACE is turned into an array.
                   2359: #
                   2360: 
                   2361: 
                   2362: my %possible_resources;
1.570     foxr     2363: my %extraspace_mm;
1.569     foxr     2364: my @extraspace;
                   2365: my $skips_loaded       = 0;
                   2366: 
                   2367: #  Function to load the skips hash and array
                   2368: 
                   2369: sub load_skips {
                   2370: 
                   2371:     my ($helper)  = @_;
                   2372: 
                   2373:     #  If this is the first time, unrap the resources and extra spaces:
                   2374: 
                   2375:     if (!$skips_loaded) {
                   2376: 	@extraspace = (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE'}));
                   2377: 	my @resource_list = (split(/\|\|\|/, $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}));
                   2378: 	my $i = 0;
                   2379: 	foreach my $resource (@resource_list) {
                   2380: 	    $possible_resources{$resource} = $i;
                   2381: 	    $i++;
                   2382: 	}
1.570     foxr     2383: 	foreach my $mm_resource (split(/\|\|\|/, $helper->{'VARS'}->{'EXTRASPACE_UNITS'})) {
                   2384: 	    $extraspace_mm{$mm_resource} = 1;
                   2385: 	}
1.569     foxr     2386: 	$skips_loaded = 1;
                   2387:     }
                   2388: }
                   2389: 
                   2390: sub get_extra_vspaces {
                   2391:     my ($helper, $resource) = @_;
                   2392: 
                   2393:     &load_skips($helper);
                   2394: 
                   2395:     #  Lookup the resource in the possible resources hash.. that is the index
                   2396:     # into the extraspace array that gives us either an empty string or
                   2397:     # the number of mm to skip:
                   2398: 
                   2399:     my $index = $possible_resources{$resource};
                   2400:     my $skip  = $extraspace[$index];
                   2401: 
                   2402:     my $result = '';
                   2403:     if ($skip ne '') {
1.570     foxr     2404: 	my $units = 'in';
                   2405: 	if (defined($extraspace_mm{$resource})) {
                   2406: 	    $units = 'mm';
                   2407: 	}
                   2408: 	$result = '\vskip '.$skip.' '.$units;
1.569     foxr     2409:     }
1.570     foxr     2410: 
                   2411: 	
1.569     foxr     2412:     return $result;
                   2413: 
                   2414: 
                   2415: }
                   2416: 
                   2417: #
                   2418: #  The resource chooser part of the helper needs more than just
                   2419: #  the value of the extraspaces var to recover the value into a text
                   2420: #  field option.  This sub produces the required format for the saved var:
                   2421: #  specifically 
                   2422: #    ||| separated fields of the form resourcename=value
                   2423: #
                   2424: #  Parameters:
                   2425: #    $helper     - Refers to the helper we are configuring
                   2426: #  Implicit input:
                   2427: #     $helper->{'VARS'}->{'EXTRASPACE'}  - the spaces helper var has the text field
                   2428: #                                          value.
1.570     foxr     2429: #     $helper->{'VARS'}->{'EXTRASPACE_UNITS'} - units for the skips (checkboxes).
1.569     foxr     2430: #     $helper->{'VARS'}->{'POSSIBLE_RESOURCES'}  - has the list of resources. |||
                   2431: #                                          separated of course.
                   2432: #  Implicit outputs:
1.570     foxr     2433: #     $env{'form.extraspace'}
                   2434: #     $env{'form.extraspace_units'}
1.569     foxr     2435: #
                   2436: sub set_form_extraspace {
                   2437:     my ($helper) = @_;
                   2438: 
                   2439:     # the most convenient way to do this is to drive from the skips arrays/hash.
                   2440:     # may not be the fastest, but this is once per print request so it's not so
                   2441:     # speed critical:
                   2442: 
                   2443:     &load_skips($helper);
                   2444: 
                   2445:     my $result = '';
                   2446: 
                   2447:     foreach my $resource (keys(%possible_resources)) {
                   2448: 	my $vskip = $extraspace[$possible_resources{$resource}];
                   2449: 	$result  .= $resource .'=' . $vskip . '|||';
                   2450:     }
                   2451: 
                   2452:     $env{'form.extraspace'}  = $result;
1.570     foxr     2453:     $env{'form.extraspace_units'} = $helper->{'VARS'}->{'EXTRASPACE_UNITS'};
1.569     foxr     2454:     return $result;
                   2455:     
                   2456: }
1.363     foxr     2457: 
1.459     foxr     2458: #  Output a sequence (recursively if neeed)
                   2459: #  from construction space.
                   2460: # Parameters:
                   2461: #    url     = URL of the sequence to print.
                   2462: #    helper  - Reference to the helper hash.
                   2463: #    form    - Copy of the format hash.
                   2464: #    LaTeXWidth
                   2465: # Returns:
                   2466: #   Text to add to the printout.
                   2467: #   NOTE if the first element of the outermost sequence
                   2468: #   is itself a sequence, the outermost caller may need to
                   2469: #   prefix the latex with the page headers stuff.
                   2470: #
                   2471: sub print_construction_sequence {
                   2472:     my ($currentURL, $helper, %form, $LaTeXwidth) = @_;
1.590     foxr     2473: 
1.459     foxr     2474:     my $result;
                   2475:     my $rndseed=time;
                   2476:     if ($helper->{'VARS'}->{'curseed'}) {
                   2477: 	$rndseed=$helper->{'VARS'}->{'curseed'};
                   2478:     }
1.606     www      2479:     my $errtext=&LONCAPA::map::mapread(&Apache::lonnet::filelocation('',$currentURL));
                   2480: 
1.459     foxr     2481:     # 
                   2482:     #  These make this all support recursing for subsequences.
                   2483:     #
1.491     albertel 2484:     my @order    = @LONCAPA::map::order;
                   2485:     my @resources = @LONCAPA::map::resources; 
1.606     www      2486: 
1.459     foxr     2487:     for (my $member=0;$member<=$#order;$member++) {
                   2488: 	$resources[$order[$member]]=~/^([^:]*):([^:]*):/;
                   2489: 	my $urlp=$2;
                   2490: 	if ($urlp=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
                   2491: 	    my $texversion='';
                   2492: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2493: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
                   2494: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
                   2495: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   2496: 		$form{'rndseed'}=$rndseed;
                   2497: 		$resources_printed .=$urlp.':';
1.515     foxr     2498: 		$texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.459     foxr     2499: 	    }
                   2500: 	    if((($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2501: 		($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) && 
1.609     www      2502: 	       ($urlp=~/$LONCAPA::assess_page_re/)) {
1.459     foxr     2503: 		#  Don't permanently modify %$form...
                   2504: 		my %answerform = %form;
                   2505: 		$answerform{'grade_target'}='answer';
                   2506: 		$answerform{'answer_output_mode'}='tex';
                   2507: 		$answerform{'rndseed'}=$rndseed;
                   2508: 		$answerform{'problem_split'}=$parmhash{'problem_stream_switch'};
1.481     albertel 2509: 		if ($urlp=~/\/res\//) {$env{'request.state'}='published';}
1.459     foxr     2510: 		$resources_printed .= $urlp.':';
1.515     foxr     2511: 		my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.459     foxr     2512: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2513: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2514: 		} else {
                   2515: 		    # If necessary, encapsulate answer in minipage:
                   2516: 		    
                   2517: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.477     albertel 2518: 		    my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2519: 		    $title = &Apache::lonxml::latex_special_symbols($title);
                   2520: 		    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.459     foxr     2521: 		    $body.=&path_to_problem($urlp,$LaTeXwidth);
                   2522: 		    $body.='\vskip 1 mm '.$answer.'\end{document}';
                   2523: 		    $body = &encapsulate_minipage($body);
                   2524: 		    $texversion.=$body;
                   2525: 		}
                   2526: 	    }
                   2527: 	    $texversion = &latex_header_footer_remove($texversion);
                   2528: 
                   2529: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   2530: 		$texversion=&IndexCreation($texversion,$urlp);
                   2531: 	    }
                   2532: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2533: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   2534: 	    }
                   2535: 	    $result.=$texversion;
                   2536: 
                   2537: 	} elsif ($urlp=~/\.(sequence|page)$/) {
1.557     foxr     2538:  
1.459     foxr     2539: 	    # header:
                   2540: 
                   2541: 	    $result.='\strut\newline\noindent Sequence/page '.$urlp.'\strut\newline\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\newline\noindent ';
                   2542: 
                   2543: 	    # IF sequence, recurse:
                   2544: 	    
                   2545: 	    if ($urlp =~ /\.sequence$/) {
1.605     www      2546: 		$result .= &print_construction_sequence($urlp, 
1.459     foxr     2547: 							$helper, %form, 
                   2548: 							$LaTeXwidth);
                   2549: 	    }
1.550     foxr     2550: 	}
                   2551: 	elsif ($urlp =~ /\.pdf$/i) {
1.552     foxr     2552: 	    my $texversion;
                   2553: 	    if ($member != 0) {
                   2554: 		$texversion .= '\cleardoublepage';
                   2555: 	    }
                   2556: 
                   2557: 	    $texversion .= &include_pdf($urlp);
                   2558: 	    $texversion = &latex_header_footer_remove($texversion);
                   2559: 	    if ($member != $#order) {
                   2560: 		$texversion .= '\\ \cleardoublepage';
                   2561: 	    }
1.551     foxr     2562: 	    
                   2563: 	    $result .= $texversion;
1.550     foxr     2564: 	}
1.459     foxr     2565:     }
                   2566:     if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\begin{document})/$1 \\fbox\{RANDOM SEED IS $rndseed\} /;}
                   2567:     return $result;
                   2568: }
                   2569: 
1.590     foxr     2570: #
                   2571: #  Top level for generating print output.
                   2572: #
                   2573: #  May call print_resources if multiple resources will be printed.
                   2574: #
                   2575: #  The main driver is $selectionmade which reflects the type of print out
                   2576: #  requested:
                   2577: #   Value    Print type:
                   2578: #   1        Print resource that's being looked at.
                   2579: #   2        Print problems in a map or in a page.
                   2580: #   3        Print pages in a map or resources in a page.
                   2581: #   4        Print all problems  or all resources.
                   2582: #   5        Print problems for seleted students.
                   2583: #   6        Print selected problems from a folder.
                   2584: #   7        Print print selected resources from some scope.
                   2585: #   8        Print resources for selected students.
                   2586: #
                   2587: #BZ 5209
                   2588: #   2        map_incomplete_problems_seq Print incomplete problems from the current
                   2589: #            folder in student context.
1.591     foxr     2590: #   5      map_incomplete_problems_people_seq Print incomplete problems from the
1.590     foxr     2591: #            current folder in privileged context.
1.591     foxr     2592: #    5      incomplete_problems_selpeople_course Print incomplete problems for
1.590     foxr     2593: #            selected people from the entire course.
                   2594: #
                   2595: #   Item 101 has much the same processing as 8,
                   2596: #
                   2597: #  Differences:  Item 101, 102 require per-student filtering of the resource
                   2598: #  set so that only the incomplete resources are printed.
                   2599: #  For item 100, filtering was done at the helper level.
                   2600: 
1.177     sakharuk 2601: sub output_data {
1.184     sakharuk 2602:     my ($r,$helper,$rparmhash) = @_;
                   2603:     my %parmhash = %$rparmhash;
1.515     foxr     2604:     $ssi_error = 0;		# This will be set nonzero by failing ssi's.
1.459     foxr     2605:     $resources_printed = '';
1.556     foxr     2606:     $font_size = $helper->{'VARS'}->{'fontsize'};
1.590     foxr     2607:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'}; # Allows textual simplification.
1.499     foxr     2608:     my $do_postprocessing = 1;
1.433     albertel 2609:     my $js = <<ENDPART;
                   2610: <script type="text/javascript">
1.264     sakharuk 2611:     var editbrowser;
                   2612:     function openbrowser(formname,elementname,only,omit) {
                   2613:         var url = '/res/?';
                   2614:         if (editbrowser == null) {
                   2615:             url += 'launch=1&';
                   2616:         }
                   2617:         url += 'catalogmode=interactive&';
                   2618:         url += 'mode=parmset&';
                   2619:         url += 'form=' + formname + '&';
                   2620:         if (only != null) {
                   2621:             url += 'only=' + only + '&';
                   2622:         } 
                   2623:         if (omit != null) {
                   2624:             url += 'omit=' + omit + '&';
                   2625:         }
                   2626:         url += 'element=' + elementname + '';
                   2627:         var title = 'Browser';
                   2628:         var options = 'scrollbars=1,resizable=1,menubar=0';
                   2629:         options += ',width=700,height=600';
                   2630:         editbrowser = open(url,title,options,'1');
                   2631:         editbrowser.focus();
                   2632:     }
                   2633: </script>
1.140     sakharuk 2634: ENDPART
                   2635: 
1.512     foxr     2636: 
1.558     bisitz   2637:     # Breadcrumbs
                   2638:     #FIXME: Choose better/different breadcrumbs?!? Links?
                   2639:     my $brcrum = [{'href' => '',
                   2640:                    'text' => 'Helper'}, #FIXME: Different origin possible than print out helper?
                   2641:                   {'href' => '',
                   2642:                    'text' => 'Preparing Printout'}];
                   2643: 
                   2644:     my $start_page  = &Apache::loncommon::start_page('Preparing Printout',
                   2645:                                                      $js,
                   2646:                                                      {'bread_crumbs' => $brcrum,});
1.433     albertel 2647:     my $msg = &mt('Please stand by while processing your print request, this may take some time ...');
1.363     foxr     2648: 
1.433     albertel 2649:     $r->print($start_page."\n<p>\n$msg\n</p>\n");
1.372     foxr     2650: 
1.363     foxr     2651:     # fetch the pagebreaks and store them in the course environment
                   2652:     # The page breaks will be pulled into the hash %page_breaks which is
                   2653:     # indexed by symb and contains 1's for each break.
                   2654: 
1.373     albertel 2655:     $env{'form.pagebreaks'}  = $helper->{'VARS'}->{'FINISHPAGE'};
1.569     foxr     2656:     &set_form_extraspace($helper);
1.590     foxr     2657:     $env{'form.lastprinttype'} = $print_type; 
1.363     foxr     2658:     &Apache::loncommon::store_course_settings('print',
1.366     foxr     2659: 					      {'pagebreaks'    => 'scalar',
1.569     foxr     2660: 					       'extraspace'    => 'scalar',
1.570     foxr     2661: 					       'extraspace_units' => 'scalar',
1.366     foxr     2662: 					       'lastprinttype' => 'scalar'});
1.364     albertel 2663:     my %page_breaks  = &get_page_breaks($helper);
1.363     foxr     2664: 
1.140     sakharuk 2665:     my $format_from_helper = $helper->{'VARS'}->{'FORMAT'};
                   2666:     my ($result,$selectionmade) = ('','');
                   2667:     my $number_of_columns = 1; #used only for pages to determine the width of the cell
                   2668:     my @temporary_array=split /\|/,$format_from_helper;
1.539     onken    2669:     my ($laystyle,$numberofcolumns,$papersize,$pdfFormFields)=@temporary_array;
1.559     foxr     2670: 
                   2671:     $laystyle = &map_laystyle($laystyle);
1.177     sakharuk 2672:     my ($textwidth,$textheight,$oddoffset,$evenoffset) = &page_format($papersize,$laystyle,$numberofcolumns);
1.373     albertel 2673:     my $assignment =  $env{'form.assignment'};
1.275     sakharuk 2674:     my $LaTeXwidth=&recalcto_mm($textwidth); 
1.272     sakharuk 2675:     my @print_array=();
1.274     sakharuk 2676:     my @student_names=();
1.360     albertel 2677: 
1.512     foxr     2678:      
1.360     albertel 2679:     #  Common settings for the %form has:
                   2680:     # In some cases these settings get overriddent by specific cases, but the
                   2681:     # settings are common enough to make it worthwhile factoring them out
                   2682:     # here.
                   2683:     #
                   2684:     my %form;
                   2685:     $form{'grade_target'} = 'tex';
                   2686:     $form{'textwidth'}    = &get_textwidth($helper, $LaTeXwidth);
1.539     onken    2687:     $form{'pdfFormFields'} = $pdfFormFields;
1.372     foxr     2688: 
                   2689:     # If form.showallfoils is set, then request all foils be shown:
                   2690:     # privilege will be enforced both by not allowing the 
                   2691:     # check box selecting this option to be presnt unless it's ok,
                   2692:     # and by lonresponse's priv. check.
                   2693:     # The if is here because lonresponse.pm only cares that
                   2694:     # showallfoils is defined, not what the value is.
                   2695: 
                   2696:     if ($helper->{'VARS'}->{'showallfoils'} eq "1") { 
                   2697: 	$form{'showallfoils'} = $helper->{'VARS'}->{'showallfoils'};
                   2698:     }
1.504     albertel 2699:     
                   2700:     if ($helper->{'VARS'}->{'style_file'}=~/\w/) {
1.520     raeburn  2701: 	&Apache::lonnet::appenv({'construct.style' =>
                   2702: 				$helper->{'VARS'}->{'style_file'}});
1.504     albertel 2703:     } elsif ($env{'construct.style'}) {
1.549     raeburn  2704: 	&Apache::lonnet::delenv('construct.style');
1.504     albertel 2705:     }
                   2706: 
1.590     foxr     2707:     if ($print_type eq 'current_document') {
1.143     sakharuk 2708:       #-- single document - problem, page, html, xml, ...
1.343     albertel 2709: 	my ($currentURL,$cleanURL);
1.375     foxr     2710: 
1.162     sakharuk 2711: 	if ($helper->{'VARS'}->{'construction'} ne '1') {
1.185     sakharuk 2712:             #prints published resource
1.153     sakharuk 2713: 	    $currentURL=$helper->{'VARS'}->{'postdata'};
1.343     albertel 2714: 	    $cleanURL=&Apache::lonenc::check_decrypt($currentURL);
1.143     sakharuk 2715: 	} else {
1.512     foxr     2716: 
1.185     sakharuk 2717:             #prints resource from the construction space
1.602     www      2718: 	    $currentURL=$helper->{'VARS'}->{'filename'};
1.343     albertel 2719: 	    $cleanURL=$currentURL;
1.143     sakharuk 2720: 	}
1.140     sakharuk 2721: 	$selectionmade = 1;
1.602     www      2722:       
1.413     albertel 2723: 	if ($cleanURL!~m|^/adm/|
1.557     foxr     2724: 	    && $cleanURL=~/\.(problem|exam|quiz|assess|survey|form|library|xml|html|htm|xhtml|xhtm)$/) {
1.169     albertel 2725: 	    my $rndseed=time;
1.242     sakharuk 2726: 	    my $texversion='';
                   2727: 	    if ($helper->{'VARS'}->{'ANSWER_TYPE'} ne 'only') {
                   2728: 		my %moreenv;
1.343     albertel 2729: 		$moreenv{'request.filename'}=$cleanURL;
1.290     sakharuk 2730:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {$form{'problemtype'}='exam';}
1.242     sakharuk 2731: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2732: 		$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.242     sakharuk 2733: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2734: 		$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2735: 		$form{'print_annotations'}=$helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2736: 		if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes') ||
                   2737: 		    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   2738: 		    $form{'problem_split'}='yes';
                   2739: 		}
1.242     sakharuk 2740: 		if ($helper->{'VARS'}->{'curseed'}) {
                   2741: 		    $rndseed=$helper->{'VARS'}->{'curseed'};
                   2742: 		}
                   2743: 		$form{'rndseed'}=$rndseed;
1.520     raeburn  2744: 		&Apache::lonnet::appenv(\%moreenv);
1.428     albertel 2745: 
                   2746: 		&Apache::lonxml::clear_problem_counter();
                   2747: 
1.375     foxr     2748: 		$resources_printed .= $currentURL.':';
1.515     foxr     2749: 		$texversion.=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.428     albertel 2750: 
1.511     foxr     2751: 		#  Add annotations if required:
                   2752: 	    
1.428     albertel 2753: 		&Apache::lonxml::clear_problem_counter();
                   2754: 
1.242     sakharuk 2755: 		&Apache::lonnet::delenv('request.filename');
1.230     albertel 2756: 	    }
1.423     foxr     2757: 	    # current document with answers.. no need to encap in minipage
                   2758: 	    #  since there's only one answer.
                   2759: 
1.242     sakharuk 2760: 	    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2761: 	       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.602     www      2762: 
1.353     foxr     2763: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.166     albertel 2764: 		$form{'grade_target'}='answer';
1.167     albertel 2765: 		$form{'answer_output_mode'}='tex';
1.169     albertel 2766: 		$form{'rndseed'}=$rndseed;
1.401     albertel 2767:                 if ($helper->{'VARS'}->{'probstatus'} eq 'exam') {
                   2768: 		    $form{'problemtype'}='exam';
                   2769: 		}
1.375     foxr     2770: 		$resources_printed .= $currentURL.':';
1.515     foxr     2771: 		my $answer=&ssi_with_retries($currentURL,$ssi_retry_count, %form);
1.511     foxr     2772: 		
                   2773: 
1.242     sakharuk 2774: 		if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   2775: 		    $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2776: 		} else {
                   2777: 		    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.245     sakharuk 2778: 		    if ($helper->{'VARS'}->{'construction'} ne '1') {
1.477     albertel 2779: 			my $title = &Apache::lonnet::gettitle($helper->{'VARS'}->{'symb'});
                   2780: 			$title = &Apache::lonxml::latex_special_symbols($title);
                   2781: 			$texversion.='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.343     albertel 2782: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2783: 		    } else {
1.602     www      2784: 			$texversion.='\vskip 0 mm \noindent\textbf{'.
                   2785:                         &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   2786: 
                   2787: 			$texversion.=&path_to_problem($cleanURL,$LaTeXwidth);
1.245     sakharuk 2788: 		    }
1.242     sakharuk 2789: 		    $texversion.='\vskip 1 mm '.$answer.'\end{document}';
                   2790: 		}
1.511     foxr     2791: 
                   2792: 
                   2793: 		
                   2794: 
1.550     foxr     2795: 	    
1.511     foxr     2796: 	    }
                   2797: 	    # Print annotations.
                   2798: 
                   2799: 
                   2800: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2801: 		my $annotation .= &annotate($currentURL);
                   2802: 		$texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
1.163     sakharuk 2803: 	    }
1.511     foxr     2804: 
                   2805: 
1.214     sakharuk 2806: 	    if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
1.215     sakharuk 2807: 		$texversion=&IndexCreation($texversion,$currentURL);
1.214     sakharuk 2808: 	    }
1.219     sakharuk 2809: 	    if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   2810: 		$texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$currentURL| \\strut\\\\\\strut /;
                   2811: 
                   2812: 	    }
1.162     sakharuk 2813: 	    $result .= $texversion;
                   2814: 	    if ($currentURL=~m/\.page\s*$/) {
                   2815: 		($result,$number_of_columns) = &page_cleanup($result);
                   2816: 	    }
1.413     albertel 2817:         } elsif ($cleanURL!~m|^/adm/|
1.557     foxr     2818: 		 && $currentURL=~/\.(sequence|page)$/ && $helper->{'VARS'}->{'construction'} eq '1') {
1.459     foxr     2819: 	    $result .= &print_construction_sequence($currentURL, $helper, %form,
                   2820: 						    $LaTeXwidth);
                   2821: 	    $result .= '\end{document}';  
                   2822: 	    if (!($result =~ /\\begin\{document\}/)) {
                   2823: 		$result = &print_latex_header() . $result;
1.227     sakharuk 2824: 	    }
1.459     foxr     2825: 	    # End construction space sequence.
1.456     raeburn  2826: 	} elsif ($cleanURL=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.258     sakharuk 2827: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.298     sakharuk 2828: 		if ($currentURL=~/\/syllabus$/) {$currentURL=~s/\/res//;}
1.375     foxr     2829: 		$resources_printed .= $currentURL.':';
1.567     foxr     2830: 		my $texversion = &ssi_with_retries($currentURL, $ssi_retry_count, %form);
1.511     foxr     2831: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2832: 		    my $annotation = &annotate($currentURL);
                   2833: 		    $texversion    =~ s/(\\end{document})/$annotation$1/;
                   2834: 		}
1.258     sakharuk 2835: 		$result .= $texversion;
1.550     foxr     2836: 	} elsif ($cleanURL =~/\.tex$/) {
1.498     foxr     2837: 	    # For this sort of print of a single LaTeX file,
                   2838: 	    # We can just print the LaTeX file as it is uninterpreted in any way:
                   2839: 	    #
                   2840: 
                   2841: 	    $result = &fetch_raw_resource($currentURL);
1.511     foxr     2842: 	    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2843: 		my $annotation = &annotate($currentURL);
                   2844: 		$result =~ s/(\\end{document})/$annotation$1/;
                   2845: 	    }
                   2846: 
1.499     foxr     2847: 	    $do_postprocessing = 0; # Don't massage the result.
1.498     foxr     2848: 
1.550     foxr     2849: 	} elsif ($cleanURL =~ /\.pdf$/i) {
                   2850: 	    $result .= &include_pdf($cleanURL);
1.551     foxr     2851: 	    $result .= '\end{document}';
1.559     foxr     2852: 	} elsif ($cleanURL =~ /\.page$/i) { #  Print page in non construction space contexts.
                   2853: 
                   2854: 	    # Determine the set of resources in the map of the page:
                   2855: 
                   2856: 	    my $navmap         =  Apache::lonnavmaps::navmap->new();
                   2857: 	    my @page_resources =  $navmap->retrieveResources($cleanURL);
                   2858: 	    $result           .=  &print_page_in_course($helper, $rparmhash,
                   2859: 							$cleanURL, \@page_resources);
                   2860: 
                   2861:        
1.162     sakharuk 2862: 	} else {
1.414     albertel 2863: 	    $result.=&unsupported($currentURL,$helper->{'VARS'}->{'LATEX_TYPE'},
                   2864: 				  $helper->{'VARS'}->{'symb'});
1.162     sakharuk 2865: 	}
1.590     foxr     2866:     } elsif (($print_type eq 'map_problems')          or
                   2867: 	     ($print_type eq 'map_problems_in_page')  or
                   2868: 	     ($print_type eq 'map_resources_in_page') or
                   2869:              ($print_type eq 'map_problems_pages')    or
                   2870:              ($print_type eq 'all_problems')          or
                   2871: 	     ($print_type eq 'all_resources')         or # BUGBUG
                   2872: 	     ($print_type eq 'select_sequences')      or
                   2873: 	     ($print_type eq 'map_incomplete_problems_seq')
1.582     raeburn  2874: 	     ) {
1.511     foxr     2875: 
1.582     raeburn  2876:  
1.141     sakharuk 2877:         #-- produce an output string
1.590     foxr     2878: 	if (($print_type eq 'map_problems')                or
                   2879: 	    ($print_type eq 'map_incomplete_problems_seq') or
                   2880: 	    ($print_type eq 'map_problems_in_page') ) {
1.296     sakharuk 2881: 	    $selectionmade = 2;
1.590     foxr     2882: 	} elsif (($print_type eq 'map_problems_pages') or
                   2883: 		 ($print_type eq 'map_resources_in_page'))
1.562     foxr     2884: 	{
1.296     sakharuk 2885: 	    $selectionmade = 3;
1.590     foxr     2886: 	} elsif (($print_type eq 'all_problems') 
1.536     foxr     2887: 		 ) {
1.296     sakharuk 2888: 	    $selectionmade = 4;
1.590     foxr     2889: 	} elsif ($print_type eq 'all_resources') {  #BUGBUG
1.354     foxr     2890: 	    $selectionmade = 4;
1.590     foxr     2891: 	} elsif ($print_type eq 'select_sequences') {
1.296     sakharuk 2892: 	    $selectionmade = 7;
                   2893: 	}
1.590     foxr     2894: 
1.193     sakharuk 2895: 	$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.310     sakharuk 2896: 	$form{'suppress_tries'}=$parmhash{'suppress_tries'};
1.203     sakharuk 2897: 	$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.309     sakharuk 2898: 	$form{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     2899: 	$form{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
                   2900: 	if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')   ||
                   2901: 	    ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') ) {
                   2902: 	    $form{'problem_split'}='yes';
                   2903: 	}
1.141     sakharuk 2904: 	my $flag_latex_header_remove = 'NO';
                   2905: 	my $flag_page_in_sequence = 'NO';
                   2906: 	my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.193     sakharuk 2907: 	my $prevassignment='';
1.428     albertel 2908: 
                   2909: 	&Apache::lonxml::clear_problem_counter();
                   2910: 
1.416     foxr     2911: 	my $pbreakresources = keys %page_breaks;
1.141     sakharuk 2912: 	for (my $i=0;$i<=$#master_seq;$i++) {
1.350     foxr     2913: 
1.521     foxr     2914: 	    &Apache::lonenc::reset_enc();
                   2915: 
                   2916: 
1.350     foxr     2917: 	    # Note due to document structure, not allowed to put \newpage
                   2918: 	    # prior to the first resource
                   2919: 
1.351     foxr     2920: 	    if (defined $page_breaks{$master_seq[$i]}) {
1.350     foxr     2921: 		if($i != 0) {
                   2922: 		    $result.="\\newpage\n";
                   2923: 		}
                   2924: 	    }
1.569     foxr     2925: 	    $result .= &get_extra_vspaces($helper, $master_seq[$i]);
1.564     foxr     2926: 	    my ($sequence,$middle_thingy,$urlp)=&Apache::lonnet::decode_symb($master_seq[$i]);
1.237     albertel 2927: 	    $urlp=&Apache::lonnet::clutter($urlp);
1.166     albertel 2928: 	    $form{'symb'}=$master_seq[$i];
1.407     albertel 2929: 
                   2930: 	    my $assignment=&Apache::lonxml::latex_special_symbols(&Apache::lonnet::gettitle($sequence),'header'); #title of the assignment which contains this problem
1.521     foxr     2931: 
1.267     sakharuk 2932: 	    if ($selectionmade==7) {$helper->{VARS}->{'assignment'}=$assignment;}
1.247     sakharuk 2933: 	    if ($i==0) {$prevassignment=$assignment;}
1.297     sakharuk 2934: 	    my $texversion='';
1.413     albertel 2935: 	    if ($urlp!~m|^/adm/|
                   2936: 		&& $urlp=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     2937: 		$resources_printed .= $urlp.':';
1.428     albertel 2938: 		&Apache::lonxml::remember_problem_counter();
1.566     foxr     2939: 		if ($flag_latex_header_remove eq 'NO') {
                   2940: 		    $texversion.=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});  # RF
1.582     raeburn  2941:                     unless (($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') ||
                   2942:                             (($i==0) &&
                   2943:                              (($urlp=~/\.page$/) ||
1.590     foxr     2944:                               ($print_type eq 'map_problems_in_page') ||
                   2945:                               ($print_type eq 'map_resources_in_page')))) {
1.582     raeburn  2946:                         $flag_latex_header_remove = 'YES';
                   2947:                     }
1.566     foxr     2948: 		}
1.515     foxr     2949: 		$texversion.=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.296     sakharuk 2950: 		if ($urlp=~/\.page$/) {
                   2951: 		    ($texversion,my $number_of_columns_page) = &page_cleanup($texversion);
                   2952: 		    if ($number_of_columns_page > $number_of_columns) {$number_of_columns=$number_of_columns_page;} 
                   2953: 		    $texversion =~ s/\\end{document}\d*/\\end{document}/;
                   2954: 		    $flag_page_in_sequence = 'YES';
1.582     raeburn  2955: 		}
1.428     albertel 2956: 
1.296     sakharuk 2957: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   2958: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     2959: 		    #  Don't permanently pervert the %form hash
                   2960: 		    my %answerform = %form;
                   2961: 		    $answerform{'grade_target'}='answer';
                   2962: 		    $answerform{'answer_output_mode'}='tex';
1.375     foxr     2963: 		    $resources_printed .= $urlp.':';
1.428     albertel 2964: 
                   2965: 		    &Apache::lonxml::restore_problem_counter();
1.515     foxr     2966: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.582     raeburn  2967:                     if ($urlp =~ /\.page$/) {
                   2968:                         $answer =~ s/\\end{document}(\d*)$//;
                   2969:                     }
1.296     sakharuk 2970: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
1.582     raeburn  2971:                         if ($urlp =~ /\.page$/) {
                   2972:                             my @probs = split(/\\keephidden{ENDOFPROBLEM}/,$texversion);
                   2973:                             my $lastprob = pop(@probs);
                   2974:                             $texversion = join('\keephidden{ENDOFPROBLEM}',@probs).
                   2975:                             $answer.'\keephidden{ENDOFPROBLEM}'.$lastprob;
                   2976:                         } else {
                   2977:                             $texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   2978:                         }
1.249     sakharuk 2979: 		    } else {
1.609     www      2980: 			if ($urlp=~/$LONCAPA::assess_page_re/) {
1.296     sakharuk 2981: 			    $texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  2982: #			    $texversion =~ s/\\begin{document}//; # FIXME
1.477     albertel 2983: 			    my $title = &Apache::lonnet::gettitle($master_seq[$i]);
                   2984: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   2985: 			    my $body ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
1.423     foxr     2986: 			    $body   .= &path_to_problem ($urlp,$LaTeXwidth);
                   2987: 			    $body   .='\vskip 1 mm '.$answer;
                   2988: 			    $body    = &encapsulate_minipage($body);
                   2989: 			    $texversion .= $body;
1.296     sakharuk 2990: 			} else {
                   2991: 			    $texversion='';
                   2992: 			}
1.249     sakharuk 2993: 		    }
1.511     foxr     2994: 
1.246     sakharuk 2995: 		}
1.511     foxr     2996: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   2997: 		    my $annotation .= &annotate($urlp);
                   2998: 		    $texversion =~ s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   2999: 		}
                   3000: 
1.296     sakharuk 3001: 		if ($flag_latex_header_remove ne 'NO') {
                   3002: 		    $texversion = &latex_header_footer_remove($texversion);
                   3003: 		} else {
                   3004: 		    $texversion =~ s/\\end{document}//;
                   3005: 		}
                   3006: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3007: 		    $texversion=&IndexCreation($texversion,$urlp);
                   3008: 		}
                   3009: 		if (($selectionmade == 4) and ($assignment ne $prevassignment)) {
                   3010: 		    my $name = &get_name();
                   3011: 		    my $courseidinfo = &get_course();
                   3012: 		    $prevassignment=$assignment;
1.455     albertel 3013: 		    my $header_text = $parmhash{'print_header_format'};
1.486     foxr     3014: 		    $header_text    = &format_page_header($textwidth, $header_text,
1.455     albertel 3015: 							  $assignment, 
                   3016: 							  $courseidinfo, 
                   3017: 							  $name);
1.552     foxr     3018: 
1.417     foxr     3019: 		    if ($numberofcolumns eq '1') {
1.455     albertel 3020: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\lhead{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3021: 		    } else {
1.455     albertel 3022: 			$result .='\newpage \noindent\parbox{\minipagewidth}{\noindent\\fancyhead[LO]{'.$header_text.'}} \vskip 5 mm ';
1.416     foxr     3023: 		    }			
1.296     sakharuk 3024: 		}
                   3025: 		$result .= $texversion;
                   3026: 		$flag_latex_header_remove = 'YES';   
1.456     raeburn  3027: 	    } elsif ($urlp=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) { 
1.301     sakharuk 3028: 		$form{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3029: 		if ($urlp=~/\/syllabus$/) {$urlp=~s/\/res//;}
1.375     foxr     3030: 		$resources_printed .= $urlp.':';
1.567     foxr     3031: 		my $texversion = &ssi_with_retries($urlp, $ssi_retry_count, %form);
1.511     foxr     3032: 		if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3033: 		    my $annotation = &annotate($urlp);
                   3034: 		    $texversion =~ s/(\\end{document)/$annotation$1/;
                   3035: 		}
                   3036: 
1.301     sakharuk 3037: 		if ($flag_latex_header_remove ne 'NO') {
                   3038: 		    $texversion = &latex_header_footer_remove($texversion);
1.550     foxr     3039: 		} else {	
1.301     sakharuk 3040: 		    $texversion =~ s/\\end{document}/\\vskip 0\.5mm\\noindent\\makebox\[\\textwidth\/\$number_of_columns\]\[b\]\{\\hrulefill\}/;
                   3041: 		}
                   3042: 		$result .= $texversion;
                   3043: 		$flag_latex_header_remove = 'YES'; 
1.550     foxr     3044: 	    } elsif ($urlp=~ /\.pdf$/i) {
                   3045: 		if ($i > 0) {
                   3046: 		    $result .= '\cleardoublepage';
                   3047: 		}
1.580     raeburn  3048:                 my $texfrompdf = &include_pdf($urlp);
                   3049:                 if ($flag_latex_header_remove ne 'NO') {
                   3050:                     $texfrompdf = &latex_header_footer_remove($texfrompdf);
                   3051:                 }
                   3052:                 $result .= $texfrompdf;
1.550     foxr     3053: 		if ($i != $#master_seq) {
                   3054: 		    if ($numberofcolumns eq '1') {
                   3055: 			$result .= '\newpage';
                   3056: 		    } else {
                   3057: 			# the \\'s seem to be needed to let LaTeX know there's something
                   3058: 			# on the page since LaTeX seems to not like to clear an empty page.
                   3059: 			#
                   3060: 			$result .= '\\ \cleardoublepage';
                   3061: 		    }
                   3062: 		}
                   3063: 		$flag_latex_header_remove = 'YES';
                   3064: 
1.141     sakharuk 3065: 	    } else {
1.414     albertel 3066: 		$texversion=&unsupported($urlp,$helper->{'VARS'}->{'LATEX_TYPE'},
                   3067: 					 $master_seq[$i]);
1.297     sakharuk 3068: 		if ($flag_latex_header_remove ne 'NO') {
                   3069: 		    $texversion = &latex_header_footer_remove($texversion);
                   3070: 		} else {
                   3071: 		    $texversion =~ s/\\end{document}//;
                   3072: 		}
                   3073: 		$result .= $texversion;
                   3074: 		$flag_latex_header_remove = 'YES';   
1.582     raeburn  3075: 	    }
1.550     foxr     3076: 	    if (&Apache::loncommon::connection_aborted($r)) { 
                   3077: 		last; 
                   3078: 	    }
1.141     sakharuk 3079: 	}
1.428     albertel 3080: 	&Apache::lonxml::clear_problem_counter();
1.344     foxr     3081: 	if ($flag_page_in_sequence eq 'YES') {
                   3082: 	    $result =~ s/\\usepackage{calc}/\\usepackage{calc}\\usepackage{longtable}/;
                   3083: 	}	
1.141     sakharuk 3084: 	$result .= '\end{document}';
1.590     foxr     3085:      } elsif (($print_type eq 'problems_for_students')           ||
                   3086: 	      ($print_type eq 'problems_for_students_from_page') ||
                   3087: 	      ($print_type eq 'all_problems_students')           ||
1.591     foxr     3088: 	      ($print_type eq 'resources_for_students')          ||
                   3089: 	      ($print_type eq 'incomplete_problems_selpeople_course') ||
                   3090: 	      ($print_type eq 'map_incomplete_problems_people_seq')){
1.353     foxr     3091: 
                   3092: 
1.150     sakharuk 3093:      #-- prints assignments for whole class or for selected students  
1.284     albertel 3094: 	 my $type;
1.590     foxr     3095: 	 if (($print_type eq 'problems_for_students')           ||
                   3096: 	     ($print_type eq 'problems_for_students_from_page') ||
1.591     foxr     3097: 	     ($print_type eq 'all_problems_students')           ||
                   3098: 	     ($print_type eq 'incomplete_problems_selpeople_course') ||
                   3099: 	     ($print_type eq 'map_incomplete_problems_people_seq')) {
1.254     sakharuk 3100: 	     $selectionmade=5;
1.284     albertel 3101: 	     $type='problems';
1.590     foxr     3102: 	 } elsif ($print_type eq 'resources_for_students') {
1.254     sakharuk 3103: 	     $selectionmade=8;
1.284     albertel 3104: 	     $type='resources';
1.254     sakharuk 3105: 	 }
1.150     sakharuk 3106: 	 my @students=split /\|\|\|/, $helper->{'VARS'}->{'STUDENTS'};
1.341     foxr     3107: 	 #   The normal sort order is by section then by students within the
                   3108: 	 #   section. If the helper var student_sort is 1, then the user has elected
                   3109: 	 #   to override this and output the students by name.
                   3110: 	 #    Each element of the students array is of the form:
                   3111: 	 #       username:domain:section:last, first:status
                   3112: 	 #    
1.429     foxr     3113: 	 #  Note that student sort is not compatible with printing 
                   3114: 	 #  1 section per pdf...so that setting overrides.
1.341     foxr     3115: 	 #   
1.429     foxr     3116: 	 if (($helper->{'VARS'}->{'student_sort'}    eq 1)  && 
                   3117: 	     ($helper->{'VARS'}->{'SPLIT_PDFS'} ne "sections")) {
1.341     foxr     3118: 	     @students = sort compare_names  @students;
                   3119: 	 }
1.429     foxr     3120: 	 &adjust_number_to_print($helper);
                   3121: 
1.278     albertel 3122:          if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq '0' ||
                   3123: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'all' ) {
                   3124: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'}=$#students+1;
                   3125: 	 }
1.429     foxr     3126: 	 # If we are splitting on section boundaries, we need 
                   3127: 	 # to remember that in split_on_sections and 
                   3128: 	 # print all of the students in the list.
                   3129: 	 #
                   3130: 	 my $split_on_sections = 0;
                   3131: 	 if ($helper->{'VARS'}->{'NUMBER_TO_PRINT'} eq 'section') {
                   3132: 	     $split_on_sections = 1;
                   3133: 	     $helper->{'VARS'}->{'NUMBER_TO_PRINT'} = $#students+1;
                   3134: 	 }
1.150     sakharuk 3135: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.350     foxr     3136: 
1.150     sakharuk 3137: 	 #loop over students
1.562     foxr     3138: 
                   3139:  	 my $flag_latex_header_remove = 'NO';
1.150     sakharuk 3140: 	 my %moreenv;
1.330     sakharuk 3141:          $moreenv{'instructor_comments'}='hide';
1.285     albertel 3142: 	 $moreenv{'textwidth'}=&get_textwidth($helper,$LaTeXwidth);
1.309     sakharuk 3143: 	 $moreenv{'print_discussions'}=$helper->{'VARS'}->{'PRINT_DISCUSSIONS'};
1.511     foxr     3144: 	 $moreenv{'print_annotations'} = $helper->{'VARS'}->{'PRINT_ANNOTATIONS'};
1.353     foxr     3145: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.369     foxr     3146: 	 $moreenv{'suppress_tries'}   = $parmhash{'suppress_tries'};
1.511     foxr     3147: 	 if (($helper->{'VARS'}->{'PRINT_DISCUSSIONS'} eq 'yes')  ||
                   3148: 	     ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes')) {
                   3149: 	     $moreenv{'problem_split'}='yes';
                   3150: 	 }
1.611     www      3151: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$#students+1);
1.272     sakharuk 3152: 	 my $student_counter=-1;
1.429     foxr     3153: 	 my $i = 0;
1.430     albertel 3154: 	 my $last_section = (split(/:/,$students[0]))[2];
1.150     sakharuk 3155: 	 foreach my $person (@students) {
1.373     albertel 3156:              my $duefile="/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.due";
1.311     sakharuk 3157: 	     if (-e $duefile) {
                   3158: 		 my $temp_file = Apache::File->new('>>'.$duefile);
                   3159: 		 print $temp_file "1969\n";
                   3160: 	     }
1.272     sakharuk 3161: 	     $student_counter++;
1.429     foxr     3162: 	     if ($split_on_sections) {
1.430     albertel 3163: 		 my $this_section = (split(/:/,$person))[2];
1.429     foxr     3164: 		 if ($this_section ne $last_section) {
                   3165: 		     $i++;
                   3166: 		     $last_section = $this_section;
                   3167: 		 }
                   3168: 	     } else {
                   3169: 		 $i=int($student_counter/$helper->{'VARS'}{'NUMBER_TO_PRINT'});
                   3170: 	     }
1.595     foxr     3171: 	     my $actual_seq = master_seq_to_person_seq($helper, \@master_seq, $person);
1.375     foxr     3172: 	     my ($output,$fullname, $printed)=&print_resources($r,$helper,
1.353     foxr     3173: 						     $person,$type,
1.595     foxr     3174: 						     \%moreenv,  $actual_seq,
1.360     albertel 3175: 						     $flag_latex_header_remove,
1.422     albertel 3176: 						     $LaTeXwidth);
1.375     foxr     3177: 	     $resources_printed .= ":";
1.284     albertel 3178: 	     $print_array[$i].=$output;
                   3179: 	     $student_names[$i].=$person.':'.$fullname.'_END_';
1.581     bisitz   3180: #	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,&mt('last student').' '.$fullname);
                   3181: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,'last student');
1.284     albertel 3182: 	     $flag_latex_header_remove = 'YES';
1.331     albertel 3183: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3184: 	 }
                   3185: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3186: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3187:      } elsif (($print_type eq 'problems_for_anon')      ||
                   3188: 	      ($print_type eq 'problems_for_anon_page') ||
                   3189: 	      ($print_type eq 'resources_for_anon')  ) { 
1.373     albertel 3190: 	 my $cdom =$env{'course.'.$env{'request.course.id'}.'.domain'};
                   3191: 	 my $cnum =$env{'course.'.$env{'request.course.id'}.'.num'};
1.288     albertel 3192: 	 my $num_todo=$helper->{'VARS'}->{'NUMBER_TO_PRINT_TOTAL'};
                   3193: 	 my $code_name=$helper->{'VARS'}->{'ANON_CODE_STORAGE_NAME'};
1.292     albertel 3194: 	 my $old_name=$helper->{'VARS'}->{'REUSE_OLD_CODES'};
1.385     foxr     3195: 	 my $single_code = $helper->{'VARS'}->{'SINGLE_CODE'};
1.388     foxr     3196: 	 my $selected_code = $helper->{'VARS'}->{'CODE_SELECTED_FROM_LIST'};
                   3197: 
1.381     albertel 3198: 	 my $code_option=$helper->{'VARS'}->{'CODE_OPTION'};
1.542     raeburn  3199:          my @lines = &Apache::grades::get_scantronformat_file();
1.596     raeburn  3200: 	 my ($code_type,$code_length,$bubbles_per_row)=('letter',6,10);
1.542     raeburn  3201: 	 foreach my $line (@lines) {
1.596     raeburn  3202:              chomp($line);
                   3203: 	     my ($name,$type,$length,$bubbles_per_item) = 
                   3204:                  (split(/:/,$line))[0,2,4,17];
1.381     albertel 3205: 	     if ($name eq $code_option) {
                   3206: 		 $code_length=$length;
                   3207: 		 if ($type eq 'number') { $code_type = 'number'; }
1.596     raeburn  3208:                  chomp($bubbles_per_item); 
                   3209:                  if (($bubbles_per_item ne '') && ($bubbles_per_item > 0)) {
                   3210:                      $bubbles_per_row = $bubbles_per_item; 
                   3211:                  }
1.381     albertel 3212: 	     }
                   3213: 	 }
1.288     albertel 3214: 	 my %moreenv = ('textwidth' => &get_textwidth($helper,$LaTeXwidth));
1.353     foxr     3215: 	 $moreenv{'problem_split'}    = $parmhash{'problem_stream_switch'};
1.420     albertel 3216:          $moreenv{'instructor_comments'}='hide';
1.596     raeburn  3217:          $moreenv{'bubbles_per_row'} = $bubbles_per_row;
1.288     albertel 3218: 	 my $seed=time+($$<<16)+($$);
1.292     albertel 3219: 	 my @allcodes;
                   3220: 	 if ($old_name) {
1.381     albertel 3221: 	     my %result=&Apache::lonnet::get('CODEs',
                   3222: 					     [$old_name,"type\0$old_name"],
                   3223: 					     $cdom,$cnum);
                   3224: 	     $code_type=$result{"type\0$old_name"};
1.292     albertel 3225: 	     @allcodes=split(',',$result{$old_name});
1.336     albertel 3226: 	     $num_todo=scalar(@allcodes);
1.389     foxr     3227: 	 } elsif ($selected_code) { # Selection value is always numeric.
1.388     foxr     3228: 	     $num_todo = 1;
                   3229: 	     @allcodes = ($selected_code);
1.385     foxr     3230: 	 } elsif ($single_code) {
                   3231: 
1.387     foxr     3232: 	     $num_todo    = 1;	# Unconditionally one code to do.
1.385     foxr     3233: 	     # If an alpha code have to convert to numbers so it can be
                   3234: 	     # converted back to letters again :-)
                   3235: 	     #
                   3236: 	     if ($code_type ne 'number') {
                   3237: 		 $single_code = &letters_to_num($single_code);
                   3238: 	     }
                   3239: 	     @allcodes = ($single_code);
1.292     albertel 3240: 	 } else {
                   3241: 	     my %allcodes;
1.299     albertel 3242: 	     srand($seed);
1.292     albertel 3243: 	     for (my $i=0;$i<$num_todo;$i++) {
1.381     albertel 3244: 		 $moreenv{'CODE'}=&get_CODE(\%allcodes,$i,$seed,$code_length,
                   3245: 					    $code_type);
1.292     albertel 3246: 	     }
                   3247: 	     if ($code_name) {
                   3248: 		 &Apache::lonnet::put('CODEs',
1.381     albertel 3249: 				      {
                   3250: 					$code_name =>join(',',keys(%allcodes)),
                   3251: 					"type\0$code_name" => $code_type
                   3252: 				      },
1.292     albertel 3253: 				      $cdom,$cnum);
                   3254: 	     }
                   3255: 	     @allcodes=keys(%allcodes);
                   3256: 	 }
1.336     albertel 3257: 	 my @master_seq=split /\|\|\|/, $helper->{'VARS'}->{'RESOURCES'};
1.590     foxr     3258: 	 my ($type) = split(/_/,$print_type);
1.452     albertel 3259: 	 &adjust_number_to_print($helper);
1.336     albertel 3260: 	 my $number_per_page=$helper->{'VARS'}->{'NUMBER_TO_PRINT'};
1.587     foxr     3261: 	 if ($number_per_page eq '0' || $number_per_page eq 'all'
                   3262: 	     || $number_per_page eq 'section') {
                   3263: 	     $number_per_page=$num_todo > 0 ? $num_todo : 1;
1.336     albertel 3264: 	 }
                   3265: 	 my $flag_latex_header_remove = 'NO'; 
1.611     www      3266: 	 my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin($r,$num_todo);
1.295     albertel 3267: 	 my $count=0;
1.292     albertel 3268: 	 foreach my $code (sort(@allcodes)) {
1.295     albertel 3269: 	     my $file_num=int($count/$number_per_page);
1.381     albertel 3270: 	     if ($code_type eq 'number') { 
                   3271: 		 $moreenv{'CODE'}=$code;
                   3272: 	     } else {
                   3273: 		 $moreenv{'CODE'}=&num_to_letters($code);
                   3274: 	     }
1.375     foxr     3275: 	     my ($output,$fullname, $printed)=
1.288     albertel 3276: 		 &print_resources($r,$helper,'anonymous',$type,\%moreenv,
1.360     albertel 3277: 				  \@master_seq,$flag_latex_header_remove,
                   3278: 				  $LaTeXwidth);
1.375     foxr     3279: 	     $resources_printed .= ":";
1.295     albertel 3280: 	     $print_array[$file_num].=$output;
1.288     albertel 3281: 	     &Apache::lonhtmlcommon::Increment_PrgWin($r,\%prog_state,
                   3282: 				       &mt('last assignment').' '.$fullname);
                   3283: 	     $flag_latex_header_remove = 'YES';
1.295     albertel 3284: 	     $count++;
1.331     albertel 3285: 	     if (&Apache::loncommon::connection_aborted($r)) { last; }
1.288     albertel 3286: 	 }
                   3287: 	 &Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state);
                   3288: 	 $result .= $print_array[0].'  \end{document}';
1.590     foxr     3289:      } elsif ($print_type eq 'problems_from_directory') {      
1.151     sakharuk 3290:     #prints selected problems from the subdirectory 
                   3291: 	$selectionmade = 6;
                   3292:         my @list_of_files=split /\|\|\|/, $helper->{'VARS'}->{'FILES'};
1.154     sakharuk 3293: 	@list_of_files=sort @list_of_files;
1.175     sakharuk 3294: 	my $flag_latex_header_remove = 'NO'; 
                   3295: 	my $rndseed=time;
1.230     albertel 3296: 	if ($helper->{'VARS'}->{'curseed'}) {
                   3297: 	    $rndseed=$helper->{'VARS'}->{'curseed'};
                   3298: 	}
1.151     sakharuk 3299: 	for (my $i=0;$i<=$#list_of_files;$i++) {
1.521     foxr     3300: 
                   3301: 	    &Apache::lonenc::reset_enc();
                   3302: 
1.152     sakharuk 3303: 	    my $urlp = $list_of_files[$i];
1.253     sakharuk 3304: 	    $urlp=~s|//|/|;
1.152     sakharuk 3305: 	    if ($urlp=~/\//) {
1.353     foxr     3306: 		$form{'problem_split'}=$parmhash{'problem_stream_switch'};
1.175     sakharuk 3307: 		$form{'rndseed'}=$rndseed;
1.603     www      3308: 		$urlp =~ s|^$Apache::lonnet::perlvar{'lonDocRoot'}||;
1.375     foxr     3309: 		$resources_printed .= $urlp.':';
1.515     foxr     3310: 		my $texversion=&ssi_with_retries($urlp, $ssi_retry_count, %form);
1.251     sakharuk 3311: 		if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
1.253     sakharuk 3312: 		   ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3313: 		    #  Don't permanently pervert %form:
                   3314: 		    my %answerform = %form;
                   3315: 		    $answerform{'grade_target'}='answer';
                   3316: 		    $answerform{'answer_output_mode'}='tex';
                   3317: 		    $answerform{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
                   3318: 		    $answerform{'rndseed'}=$rndseed;
1.375     foxr     3319: 		    $resources_printed .= $urlp.':';
1.515     foxr     3320: 		    my $answer=&ssi_with_retries($urlp, $ssi_retry_count, %answerform);
1.251     sakharuk 3321: 		    if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3322: 			$texversion=~s/(\\keephidden{ENDOFPROBLEM})/$answer$1/;
                   3323: 		    } else {
1.253     sakharuk 3324: 			$texversion=&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
                   3325: 			if ($helper->{'VARS'}->{'construction'} ne '1') {
                   3326: 			    $texversion.='\vskip 0 mm \noindent ';
                   3327: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
                   3328: 			} else {
1.604     www      3329: 			    $texversion.='\vskip 0 mm \noindent\textbf{'.
                   3330:                                          &mt("Printing from Construction Space: No Title").'}\vskip 0 mm ';
                   3331: 			    $texversion.=&path_to_problem ($urlp,$LaTeXwidth);
1.253     sakharuk 3332: 			}
                   3333: 			$texversion.='\vskip 1 mm '.$answer.'\end{document}';
1.251     sakharuk 3334: 		    }
1.174     sakharuk 3335: 		}
1.515     foxr     3336:                 #this chunk is responsible for printing the path to problem
                   3337: 
1.603     www      3338: 		my $newurlp=&path_to_problem($urlp,$LaTeXwidth);
1.242     sakharuk 3339: 		$texversion =~ s/(\\begin{minipage}{\\textwidth})/$1 $newurlp/;
1.152     sakharuk 3340: 		if ($flag_latex_header_remove ne 'NO') {
                   3341: 		    $texversion = &latex_header_footer_remove($texversion);
                   3342: 		} else {
                   3343: 		    $texversion =~ s/\\end{document}//;
1.216     sakharuk 3344: 		}
                   3345: 		if ($helper->{'VARS'}->{'TABLE_INDEX'} eq 'yes') {
                   3346: 		    $texversion=&IndexCreation($texversion,$urlp);
1.152     sakharuk 3347: 		}
1.219     sakharuk 3348: 		if ($helper->{'VARS'}->{'CONSTR_RESOURSE_URL'} eq 'yes') {
                   3349: 		    $texversion=~s/(\\addcontentsline\{toc\}\{subsection\}\{[^\}]*\})/$1 URL: \\verb|$urlp| \\strut\\\\\\strut /;
                   3350: 		    
                   3351: 		}
1.152     sakharuk 3352: 		$result .= $texversion;
                   3353: 	    }
                   3354: 	    $flag_latex_header_remove = 'YES';  
1.151     sakharuk 3355: 	}
1.175     sakharuk 3356: 	if ($helper->{VARS}->{'construction'} eq '1') {$result=~s/(\\typeout)/ RANDOM SEED IS $rndseed $1/;}
1.152     sakharuk 3357: 	$result .= '\end{document}';      	
1.140     sakharuk 3358:     }
                   3359: #-------------------------------------------------------- corrections for the different page formats
1.499     foxr     3360: 
                   3361:     # Only post process if that has not been turned off e.g. by a raw latex resource.
                   3362: 
                   3363:     if ($do_postprocessing) {
1.590     foxr     3364: 	$result = &page_format_transformation($papersize,
                   3365: 					      $laystyle,$numberofcolumns,
                   3366: 					      $print_type,$result,
                   3367: 					      $helper->{VARS}->{'assignment'},
                   3368: 					      $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3369: 					      $helper->{'VARS'}->{'TABLE_INDEX'},
                   3370: 					      $selectionmade);
1.499     foxr     3371: 	$result = &latex_corrections($number_of_columns,$result,$selectionmade,
                   3372: 				     $helper->{'VARS'}->{'ANSWER_TYPE'});
                   3373: 	#if ($numberofcolumns == 1) {
1.451     albertel 3374: 	$result =~ s/\\textwidth\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textwidth= $helper->{'VARS'}->{'pagesize.width'} $helper->{'VARS'}->{'pagesize.widthunit'} /;
                   3375: 	$result =~ s/\\textheight\s*=?\s*-?\d*\.?\d*\s*(cm|mm|in)/\\textheight $helper->{'VARS'}->{'pagesize.height'} $helper->{'VARS'}->{'pagesize.heightunit'} /;
                   3376: 	$result =~ s/\\evensidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\evensidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
                   3377: 	$result =~ s/\\oddsidemargin\s*=\s*-?\d*\.?\d*\s*(cm|mm|in)/\\oddsidemargin= $helper->{'VARS'}->{'pagesize.lmargin'} $helper->{'VARS'}->{'pagesize.lmarginunit'} /;
1.499     foxr     3378: 	#}
                   3379:     }
1.367     foxr     3380: 
1.515     foxr     3381:     # Set URLback if this is a construction space print so we can provide
                   3382:     # a link to the resource being edited.
                   3383:     #
1.274     sakharuk 3384: 
1.276     sakharuk 3385:     my $URLback=''; #link to original document
1.510     albertel 3386:     if ($helper->{'VARS'}->{'construction'} eq '1') {
1.607     www      3387: 	$URLback=$helper->{'VARS'}->{'filename'};
1.276     sakharuk 3388:     }
1.556     foxr     3389:     #
                   3390:     # Final adjustment of the font size:
                   3391:     #
                   3392: 
                   3393:     $result = set_font_size($result);
1.375     foxr     3394: 
1.612     foxr     3395:     # Insert any babel headers required.
                   3396: 
                   3397:     $result       = &collect_languages($result);
                   3398: 
                   3399: 
1.525     www      3400: #-- writing .tex file in prtspool 
                   3401:     my $temp_file;
                   3402:     my $identifier = &Apache::loncommon::get_cgi_id();
                   3403:     my $filename = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout_$identifier.tex";
                   3404:     if (!($#print_array>0)) { 
                   3405:        unless ($temp_file = Apache::File->new('>'.$filename)) {
                   3406: 	  $r->log_error("Couldn't open $filename for output $!");
                   3407: 	  return SERVER_ERROR; 
                   3408:        }
                   3409:        print $temp_file $result;
                   3410:        my $begin=index($result,'\begin{document}',0);
                   3411:        my $inc=substr($result,0,$begin+16); 
1.515     foxr     3412:     } else {
1.525     www      3413:        my $begin=index($result,'\begin{document}',0);
                   3414:        my $inc=substr($result,0,$begin+16);
                   3415:        for (my $i=0;$i<=$#print_array;$i++) {
                   3416: 	  if ($i==0) {
                   3417: 	      $print_array[$i]=$result;
                   3418: 	  } else {
                   3419: 	      $print_array[$i].='\end{document}';
                   3420: 	      $print_array[$i] = 
                   3421: 		&latex_corrections($number_of_columns,$print_array[$i],
                   3422: 				   $selectionmade, 
                   3423: 				   $helper->{'VARS'}->{'ANSWER_TYPE'});
1.515     foxr     3424: 	    
1.525     www      3425: 	      my $anobegin=index($print_array[$i],'\setcounter{page}',0);
                   3426: 	      substr($print_array[$i],0,$anobegin)='';
                   3427: 	      $print_array[$i]=$inc.$print_array[$i];
                   3428: 	  }
                   3429: 	  my $temp_file;
                   3430: 	  my $newfilename=$filename;
                   3431: 	  my $num=$i+1;
                   3432: 	  $newfilename =~s/\.tex$//; 
                   3433: 	  $newfilename=sprintf("%s_%03d.tex",$newfilename, $num);
                   3434: 	  unless ($temp_file = Apache::File->new('>'.$newfilename)) {
                   3435: 	      $r->log_error("Couldn't open $newfilename for output $!");
                   3436: 	      return SERVER_ERROR; 
                   3437: 	  }
                   3438: 	  print $temp_file $print_array[$i];
                   3439:        }
                   3440:     }
                   3441:     my $student_names='';
                   3442:     if ($#print_array>0) {
                   3443:         for (my $i=0;$i<=$#print_array;$i++) {
                   3444:   	  $student_names.=$student_names[$i].'_ENDPERSON_';
1.515     foxr     3445: 	}
1.525     www      3446:     } else {
                   3447: 	if ($#student_names>-1) {
                   3448: 	   $student_names=$student_names[0].'_ENDPERSON_';
1.515     foxr     3449: 	} else {
1.525     www      3450:            my $fullname = &get_name($env{'user.name'},$env{'user.domain'});
                   3451: 	   $student_names=join(':',$env{'user.name'},$env{'user.domain'},
1.515     foxr     3452: 				    $env{'request.course.sec'},$fullname).
                   3453: 					'_ENDPERSON_'.'_END_';
                   3454: 	}
1.525     www      3455:      }
1.515     foxr     3456: 	
1.525     www      3457:      # logic for now is too complex to trace if this has been defined
                   3458:      #  yet.
                   3459:      my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3460:      my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3461:      &Apache::lonnet::appenv({'cgi.'.$identifier.'.file'   => $filename,
1.515     foxr     3462: 				'cgi.'.$identifier.'.layout'  => $laystyle,
                   3463: 				'cgi.'.$identifier.'.numcol'  => $numberofcolumns,
                   3464: 				'cgi.'.$identifier.'.paper'  => $papersize,
                   3465: 				'cgi.'.$identifier.'.selection' => $selectionmade,
                   3466: 				'cgi.'.$identifier.'.tableofcontents' => $helper->{'VARS'}->{'TABLE_CONTENTS'},
                   3467: 				'cgi.'.$identifier.'.tableofindex' => $helper->{'VARS'}->{'TABLE_INDEX'},
                   3468: 				'cgi.'.$identifier.'.role' => $perm{'pav'},
                   3469: 				'cgi.'.$identifier.'.numberoffiles' => $#print_array,
                   3470: 				'cgi.'.$identifier.'.studentnames' => $student_names,
1.520     raeburn  3471: 				'cgi.'.$identifier.'.backref' => $URLback,});
1.525     www      3472:     &Apache::lonnet::appenv({"cgi.$identifier.user"    => $env{'user.name'},
1.515     foxr     3473: 				"cgi.$identifier.domain"  => $env{'user.domain'},
                   3474: 				"cgi.$identifier.courseid" => $cnum, 
                   3475: 				"cgi.$identifier.coursedom" => $cdom, 
1.520     raeburn  3476: 				"cgi.$identifier.resources" => $resources_printed});
1.515     foxr     3477: 	
1.525     www      3478:     my $end_page = &Apache::loncommon::end_page();
1.529     raeburn  3479:     my $continue_text = &mt('Continue');
1.525     www      3480:     # If there's been an unrecoverable SSI error, report it to the user
                   3481:     if ($ssi_error) {
                   3482:         my $helpurl = &Apache::loncommon::top_nav_help('Helpdesk');
1.554     bisitz   3483:         $r->print('<br /><p class="LC_error">'.&mt('An unrecoverable network error occurred:').'</p><p>'.
1.526     www      3484:                   &mt('At least one of the resources you chose to print could not be rendered due to an unrecoverable error when communicating with a server:').
                   3485:                   '<br />'.$ssi_last_error_resource.'<br />'.$ssi_last_error.
                   3486:                   '</p><p>'.&mt('You can continue using the link provided below, but make sure to carefully inspect your output file! The errors will be marked in the file.').'<br />'.
1.528     raeburn  3487:                   &mt('You may be able to reprint the individual resources for which this error occurred, as the issue may be temporary.').
1.525     www      3488:                   '<br />'.&mt('If the error persists, please contact the [_1] for assistance.',$helpurl).'</p><p>'.
                   3489:                   &mt('We apologize for the inconvenience.').'</p>'.
1.528     raeburn  3490:                   '<a href="/cgi-bin/printout.pl?'.$identifier.'">'.$continue_text.'</a>'.$end_page);
1.525     www      3491:     } else {
1.515     foxr     3492: 	$r->print(<<FINALEND);
1.317     albertel 3493: <br />
1.288     albertel 3494: <meta http-equiv="Refresh" content="0; url=/cgi-bin/printout.pl?$identifier" />
1.528     raeburn  3495: <a href="/cgi-bin/printout.pl?$identifier">$continue_text</a>
1.431     albertel 3496: $end_page
1.140     sakharuk 3497: FINALEND
1.528     raeburn  3498:     }                                     # endif ssi errors.
1.140     sakharuk 3499: }
                   3500: 
1.288     albertel 3501: 
                   3502: sub get_CODE {
1.381     albertel 3503:     my ($all_codes,$num,$seed,$size,$type)=@_;
1.288     albertel 3504:     my $max='1'.'0'x$size;
                   3505:     my $newcode;
                   3506:     while(1) {
1.392     albertel 3507: 	$newcode=sprintf("%0".$size."d",int(rand($max)));
1.288     albertel 3508: 	if (!exists($$all_codes{$newcode})) {
                   3509: 	    $$all_codes{$newcode}=1;
1.381     albertel 3510: 	    if ($type eq 'number' ) {
                   3511: 		return $newcode;
                   3512: 	    } else {
                   3513: 		return &num_to_letters($newcode);
                   3514: 	    }
1.288     albertel 3515: 	}
                   3516:     }
                   3517: }
1.140     sakharuk 3518: 
1.284     albertel 3519: sub print_resources {
1.360     albertel 3520:     my ($r,$helper,$person,$type,$moreenv,$master_seq,$remove_latex_header,
1.422     albertel 3521: 	$LaTeXwidth)=@_;
1.284     albertel 3522:     my $current_output = ''; 
1.375     foxr     3523:     my $printed = '';
1.284     albertel 3524:     my ($username,$userdomain,$usersection) = split /:/,$person;
                   3525:     my $fullname = &get_name($username,$userdomain);
1.492     foxr     3526:     my $namepostfix = "\\\\";	# Both anon and not anon should get the same vspace.
1.600     foxr     3527: 
1.591     foxr     3528:     #
                   3529:     # Figure out if we need to filter the output by
                   3530:     # the incomplete problems for that person
                   3531:     #
                   3532:     my $print_type = $helper->{'VARS'}->{'PRINT_TYPE'};
                   3533:     my $print_incomplete = 0;
                   3534:     if (($print_type eq 'map_incomplete_problems_people_seq')   ||
                   3535: 	($print_type eq 'incomplete_problems_selpeople_course')) {
                   3536: 	$print_incomplete = 1;
                   3537:     }
1.596     raeburn  3538:     if ($person eq 'anonymous') {
1.613     ramirez  3539: 	$namepostfix .=&mt('Name:')." ";
1.288     albertel 3540: 	$fullname = "CODE - ".$moreenv->{'CODE'};
                   3541:     }
1.590     foxr     3542: 
1.444     foxr     3543:     #  Fullname may have special latex characters that need \ prefixing:
                   3544:     #
                   3545: 
1.350     foxr     3546:     my $i           = 0;
1.591     foxr     3547:     my $actually_printed = 0;	# Count of resources printed.
1.284     albertel 3548:     #goes through all resources, checks if they are available for 
                   3549:     #current student, and produces output   
1.428     albertel 3550: 
                   3551:     &Apache::lonxml::clear_problem_counter();
1.364     albertel 3552:     my %page_breaks  = &get_page_breaks($helper);
1.476     albertel 3553:     my $columns_in_format = (split(/\|/,$helper->{'VARS'}->{'FORMAT'}))[1];
1.440     foxr     3554:     #
1.441     foxr     3555:     #   end each student with a 
1.440     foxr     3556:     #   Special that allows the post processor to even out the page
                   3557:     #   counts later.  Nasty problem this... it would be really
                   3558:     #   nice to put the special in as a postscript comment
1.441     foxr     3559:     #   e.g. \special{ps:\ENDOFSTUDENTSTAMP}  unfortunately,
1.440     foxr     3560:     #   The special gets passed the \ and dvips puts it in the output file
1.441     foxr     3561:     #   so we will just rely on prntout.pl to strip  ENDOFSTUDENTSTAMP from the
                   3562:     #   postscript.  Each ENDOFSTUDENTSTAMP will go on a line by itself.
1.440     foxr     3563:     #
1.591     foxr     3564: 
1.568     foxr     3565:     my $syllabus_first = 0;
1.284     albertel 3566:     foreach my $curresline (@{$master_seq})  {
1.351     foxr     3567: 	if (defined $page_breaks{$curresline}) {
1.350     foxr     3568: 	    if($i != 0) {
                   3569: 		$current_output.= "\\newpage\n";
                   3570: 	    }
                   3571: 	}
1.569     foxr     3572: 	$current_output .= &get_extra_vspaces($helper, $curresline);
1.350     foxr     3573: 	$i++;
1.284     albertel 3574: 	if ( !($type eq 'problems' && 
1.609     www      3575: 	       ($curresline!~ m/$LONCAPA::assess_page_re/)) ) {
1.284     albertel 3576: 	    my ($map,$id,$res_url) = &Apache::lonnet::decode_symb($curresline);
1.591     foxr     3577: 	    if ($print_incomplete && !&incomplete($username, $userdomain, $res_url)) {
                   3578: 		next;
                   3579: 	    }
                   3580: 	    $actually_printed++; # we're going to print one.
1.284     albertel 3581: 	    if (&Apache::lonnet::allowed('bre',$res_url)) {
1.414     albertel 3582: 		if ($res_url!~m|^ext/|
1.413     albertel 3583: 		    && $res_url=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)$/) {
1.375     foxr     3584: 		    $printed .= $curresline.':';
1.428     albertel 3585: 		    &Apache::lonxml::remember_problem_counter();    
                   3586: 
1.526     www      3587: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.582     raeburn  3588:                     if ($res_url =~ /\.page$/) {
                   3589:                         if ($remove_latex_header eq 'NO') {
                   3590:                             if (!($rendered =~ /\\begin\{document\}/)) {
                   3591:                                 $rendered = &print_latex_header().$rendered;
                   3592:                             }
                   3593:                         }
1.591     foxr     3594: ;
1.582     raeburn  3595:                         if ($remove_latex_header eq 'YES') {
                   3596:                             $rendered = &latex_header_footer_remove($rendered);
                   3597:                         } else {
                   3598:                             $rendered =~ s/\\end{document}\d*//;
                   3599:                         }
                   3600:                     }
1.305     sakharuk 3601: 		    if(($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') ||
                   3602: 		       ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only')) {
1.380     foxr     3603: 			#   Use a copy of the hash so we don't pervert it on future loop passes.
                   3604: 			my %answerenv = %{$moreenv};
                   3605: 			$answerenv{'answer_output_mode'}='tex';
1.591     foxr     3606: 
                   3607: 
1.380     foxr     3608: 			$answerenv{'latex_type'}=$helper->{'VARS'}->{'LATEX_TYPE'};
1.428     albertel 3609: 			
                   3610: 			&Apache::lonxml::restore_problem_counter();
                   3611: 
1.380     foxr     3612: 			my $ansrendered = &Apache::loncommon::get_student_answers($curresline,$username,$userdomain,$env{'request.course.id'},%answerenv);
1.428     albertel 3613: 
1.305     sakharuk 3614: 			if ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'no') {
                   3615: 			    $rendered=~s/(\\keephidden{ENDOFPROBLEM})/$ansrendered$1/;
                   3616: 			} else {
1.423     foxr     3617: 
                   3618: 			    
                   3619: 			    my $header =&print_latex_header($helper->{'VARS'}->{'LATEX_TYPE'});
1.582     raeburn  3620:                             unless ($helper->{'VARS'}->{'ANSWER_TYPE'} eq 'only') {
                   3621:                                 $header =~ s/\\begin{document}//;     #<<<<<
                   3622:                             }
1.477     albertel 3623: 			    my $title = &Apache::lonnet::gettitle($curresline);
                   3624: 			    $title = &Apache::lonxml::latex_special_symbols($title);
                   3625: 			    my $body   ='\vskip 0 mm \noindent\textbf{'.$title.'}\vskip 0 mm ';
                   3626: 			    $body     .=&path_to_problem($res_url,$LaTeXwidth);
1.423     foxr     3627: 			    $body     .='\vskip 1 mm '.$ansrendered;
                   3628: 			    $body     = &encapsulate_minipage($body);
                   3629: 			    $rendered = $header.$body;
1.305     sakharuk 3630: 			}
                   3631: 		    }
1.511     foxr     3632: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3633: 			my $url = &Apache::lonnet::clutter($res_url);
                   3634: 			my $annotation = &annotate($url);
                   3635: 			$rendered =~  s/(\\keephidden{ENDOFPROBLEM})/$annotation$1/;
                   3636: 		    }
1.562     foxr     3637: 		    my $junk;
1.305     sakharuk 3638: 		    if ($remove_latex_header eq 'YES') {
                   3639: 			$rendered = &latex_header_footer_remove($rendered);
                   3640: 		    } else {
                   3641: 			$rendered =~ s/\\end{document}//;
                   3642: 		    }
                   3643: 		    $current_output .= $rendered;		    
1.456     raeburn  3644: 		} elsif ($res_url=~/\/(smppg|syllabus|aboutme|bulletinboard)$/) {
1.568     foxr     3645: 		    if ($i == 1) {
                   3646: 			$syllabus_first = 1;
                   3647: 		    }
1.375     foxr     3648: 		    $printed .= $curresline.':';
1.528     raeburn  3649: 		    my $rendered = &get_student_view_with_retries($curresline,$ssi_retry_count,$username,$userdomain,$env{'request.course.id'},'tex',$moreenv);
1.511     foxr     3650: 		    if ($helper->{'VARS'}->{'PRINT_ANNOTATIONS'} eq 'yes') {
                   3651: 			my $url = &Apache::lonnet::clutter($res_url);
                   3652: 			my $annotation = &annotate($url);
                   3653: 			$annotation    =~ s/(\\end{document})/$annotation$1/;
                   3654: 		    }
1.305     sakharuk 3655: 		    if ($remove_latex_header eq 'YES') {
                   3656: 			$rendered = &latex_header_footer_remove($rendered);
1.284     albertel 3657: 		    } else {
1.305     sakharuk 3658: 			$rendered =~ s/\\end{document}//;
1.284     albertel 3659: 		    }
1.421     foxr     3660: 		    $current_output .= $rendered.'\vskip 0.5mm\noindent\makebox[\textwidth/$number_of_columns][b]{\hrulefill}\strut \vskip 0 mm \strut ';
1.552     foxr     3661: 		} elsif($res_url = ~/\.pdf$/) {
                   3662: 		    my $url = &Apache::lonnet::clutter($res_url);
                   3663: 		    my $rendered  = &include_pdf($url);
                   3664: 		    if ($remove_latex_header ne 'NO') {
                   3665: 			$rendered = &latex_header_footer_remove($rendered);
                   3666: 		    }
                   3667: 		    $current_output .= $rendered;
1.284     albertel 3668: 		} else {
1.414     albertel 3669: 		    my $rendered = &unsupported($res_url,$helper->{'VARS'}->{'LATEX_TYPE'},$curresline);
1.305     sakharuk 3670: 		    if ($remove_latex_header ne 'NO') {
                   3671: 			$rendered = &latex_header_footer_remove($rendered);
                   3672: 		    } else {
                   3673: 			$rendered =~ s/\\end{document}//;
                   3674: 		    }
                   3675: 		    $current_output .= $rendered;
1.284     albertel 3676: 		}
                   3677: 	    }
                   3678: 	    $remove_latex_header = 'YES';
1.590     foxr     3679: 	}
1.331     albertel 3680: 	if (&Apache::loncommon::connection_aborted($r)) { last; }
1.284     albertel 3681:     }
1.591     foxr     3682:     # If we are printing incomplete it's possible we don't have
                   3683:     # anything to print.  The print subsystem is not so good at handling
                   3684:     # that so we're going to generate a stub that says there are no
                   3685:     # incomplete resources for the person.
                   3686:     #
1.593     foxr     3687: 
1.591     foxr     3688:     if ($actually_printed == 0) {
1.592     foxr     3689: 	$current_output  = &encapsulate_minipage("\\vskip -10mm \nNo incomplete resources\n \\vskip 100 mm { }\n");
1.593     foxr     3690: 	if ($remove_latex_header eq "NO") {
                   3691: 	    $current_output = &print_latex_header() . $current_output;
                   3692: 	} else {
                   3693: 	    $current_output = &latex_header_footer_remove($current_output);
                   3694: 	}
1.591     foxr     3695:     }
1.552     foxr     3696: 
1.583     raeburn  3697:     if ($syllabus_first) {
                   3698:         $current_output =~ s/\\\\ Last updated:/Last updated:/
                   3699:     }
1.284     albertel 3700:     my $courseidinfo = &get_course();
                   3701:     my $currentassignment=&Apache::lonxml::latex_special_symbols($helper->{VARS}->{'assignment'},'header');
1.476     albertel 3702:     my $header_line =
1.486     foxr     3703: 	&format_page_header($LaTeXwidth, $parmhash{'print_header_format'},
1.537     foxr     3704: 			    $currentassignment, $courseidinfo, $fullname, $usersection);
1.476     albertel 3705:     my $header_start = ($columns_in_format == 1) ? '\lhead'
                   3706: 	                                         : '\fancyhead[LO]';
                   3707:     $header_line = $header_start.'{'.$header_line.'}';
1.583     raeburn  3708:     if ($current_output=~/\\documentclass/) {
1.476     albertel 3709: 	$current_output =~ s/\\begin{document}/\\setlength{\\topmargin}{1cm} \\begin{document}\\noindent\\parbox{\\minipagewidth}{\\noindent$header_line$namepostfix}\\vskip 5 mm /;
1.284     albertel 3710:     } else {
1.476     albertel 3711: 	my $blankpages = 
                   3712: 	    '\clearpage\strut\clearpage'x$helper->{'VARS'}->{'EMPTY_PAGES'};
                   3713: 	    
                   3714: 	$current_output = '\strut\vspace*{-6 mm}\\newline'.
                   3715: 	    &copyright_line().' \newpage '.$blankpages.$end_of_student.
                   3716: 	    '\setcounter{page}{1}\noindent\parbox{\minipagewidth}{\noindent'.
                   3717: 	    $header_line.$namepostfix.'} \vskip 5 mm '.$current_output;
1.284     albertel 3718:     }
1.440     foxr     3719:     #
                   3720:     #  Close the student bracketing.
                   3721:     #
1.375     foxr     3722:     return ($current_output,$fullname, $printed);
1.284     albertel 3723: 
                   3724: }
1.140     sakharuk 3725: 
1.614     raeburn  3726: sub printing_blocked {
                   3727:     my ($r,$blocktext) = @_;
                   3728:     my $title = &mt('Preparing Printout');
                   3729:     &Apache::lonhtmlcommon::clear_breadcrumbs();
                   3730:     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/printout',
                   3731:                                             text=> $title});
                   3732:     my $breadcrumbs = &Apache::lonhtmlcommon::breadcrumbs($title);
                   3733:     &Apache::loncommon::content_type($r,'text/html');
                   3734:     &Apache::loncommon::no_cache($r);
                   3735:     $r->send_http_header;
                   3736:     $r->print(&Apache::loncommon::start_page('Preparing Printout').
                   3737:               $breadcrumbs.
                   3738:               $blocktext.
                   3739:               &Apache::loncommon::end_page());
                   3740:     return;
                   3741: }
                   3742: 
1.3       sakharuk 3743: sub handler {
                   3744: 
                   3745:     my $r = shift;
1.614     raeburn  3746: 
                   3747:     if ($env{'request.course.id'}) {
                   3748:         my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   3749:         my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
                   3750:         my ($blocked,$blocktext) = 
                   3751:             &Apache::loncommon::blocking_status('printout',$cnum,$cdom);
                   3752:         if ($blocked) {
                   3753:             my $checkrole = "cm./$cdom/$cnum";
                   3754:             if ($env{'request.course.sec'} ne '') {
                   3755:                 $checkrole .= "/$env{'request.course.sec'}";
                   3756:             }
                   3757:             unless ((&Apache::lonnet::allowed('evb',undef,undef,$checkrole)) && 
                   3758:                     ($env{'request.role'} !~ m{^st\./$cdom/$cnum})) {
                   3759:                 &printing_blocked($r,$blocktext);
                   3760:                 return OK;
                   3761:             }
                   3762:         }
                   3763:     }
1.397     albertel 3764:     
                   3765:     &init_perm();
1.114     bowersj2 3766: 
1.397     albertel 3767:     my $helper = printHelper($r);
                   3768:     if (!ref($helper)) {
                   3769: 	return $helper;
1.60      sakharuk 3770:     }
1.177     sakharuk 3771:    
1.184     sakharuk 3772: 
1.454     foxr     3773:     %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.353     foxr     3774:  
1.416     foxr     3775: 
1.350     foxr     3776: 
                   3777: 
1.367     foxr     3778:     #  If a figure conversion queue file exists for this user.domain
                   3779:     # we delete it since it can only be bad (if it were good, printout.pl
                   3780:     # would have deleted it the last time around.
                   3781: 
1.373     albertel 3782:     my $conversion_queuefile = "/home/httpd/prtspool/$env{'user.name'}_$env{'user.domain'}_printout.dat";
1.367     foxr     3783:     if(-e $conversion_queuefile) {
                   3784: 	unlink $conversion_queuefile;
                   3785:     }
1.515     foxr     3786:     
                   3787: 
1.184     sakharuk 3788:     &output_data($r,$helper,\%parmhash);
1.2       sakharuk 3789:     return OK;
1.614     raeburn  3790: }
1.2       sakharuk 3791: 
1.131     bowersj2 3792: use Apache::lonhelper;
1.130     sakharuk 3793: 
1.223     bowersj2 3794: sub addMessage {
                   3795:     my $text = shift;
                   3796:     my $paramHash = Apache::lonhelper::getParamHash();
                   3797:     $paramHash->{MESSAGE_TEXT} = $text;
                   3798:     Apache::lonhelper::message->new();
                   3799: }
                   3800: 
1.416     foxr     3801: 
1.238     bowersj2 3802: 
1.397     albertel 3803: sub init_perm {
                   3804:     undef(%perm);
                   3805:     $perm{'pav'}=&Apache::lonnet::allowed('pav',$env{'request.course.id'});
                   3806:     if (!$perm{'pav'}) {
                   3807: 	$perm{'pav'}=&Apache::lonnet::allowed('pav',
                   3808: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3809:     }
1.465     albertel 3810:     $perm{'pfo'}=&Apache::lonnet::allowed('pfo',$env{'request.course.id'});
1.397     albertel 3811:     if (!$perm{'pfo'}) {
                   3812: 	$perm{'pfo'}=&Apache::lonnet::allowed('pfo',
                   3813: 		  $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3814:     }
1.585     raeburn  3815:     $perm{'vgr'}=&Apache::lonnet::allowed('vgr',$env{'request.course.id'});
                   3816:     if (!$perm{'vgr'}) {
                   3817:         $perm{'vgr'}=&Apache::lonnet::allowed('vgr',
                   3818:                    $env{'request.course.id'}.'/'.$env{'request.course.sec'});
                   3819:     }
1.397     albertel 3820: }
                   3821: 
1.507     albertel 3822: sub get_randomly_ordered_warning {
                   3823:     my ($helper,$map) = @_;
                   3824: 
                   3825:     my $message;
                   3826: 
                   3827:     my $postdata = $env{'form.postdata'} || $helper->{VARS}{'postdata'};
                   3828:     my $navmap = Apache::lonnavmaps::navmap->new();
1.547     raeburn  3829:     if (defined($navmap)) {
                   3830:         my $res = $navmap->getResourceByUrl($map);
                   3831:         if ($res) {
                   3832: 	    my $func = 
                   3833: 	        sub { return ($_[0]->is_map() && $_[0]->randomorder); };
                   3834: 	    my @matches = $navmap->retrieveResources($res, $func,1,1,1);
1.610     foxr     3835: 
1.547     raeburn  3836:         }
                   3837:     } else {
                   3838:         $message = "Retrieval of information about ordering of resources failed."; 
                   3839:         return '<message type="warning">'.$message.'</message>';
1.507     albertel 3840:     }
                   3841:     return;
                   3842: }
                   3843: 
1.131     bowersj2 3844: sub printHelper {
1.115     bowersj2 3845:     my $r = shift;
                   3846: 
                   3847:     if ($r->header_only) {
1.373     albertel 3848:         if ($env{'browser.mathml'}) {
1.241     www      3849:             &Apache::loncommon::content_type($r,'text/xml');
1.131     bowersj2 3850:         } else {
1.241     www      3851:             &Apache::loncommon::content_type($r,'text/html');
1.131     bowersj2 3852:         }
                   3853:         $r->send_http_header;
                   3854:         return OK;
1.115     bowersj2 3855:     }
                   3856: 
1.131     bowersj2 3857:     # Send header, nocache
1.373     albertel 3858:     if ($env{'browser.mathml'}) {
1.241     www      3859:         &Apache::loncommon::content_type($r,'text/xml');
1.115     bowersj2 3860:     } else {
1.241     www      3861:         &Apache::loncommon::content_type($r,'text/html');
1.115     bowersj2 3862:     }
                   3863:     &Apache::loncommon::no_cache($r);
                   3864:     $r->send_http_header;
                   3865:     $r->rflush();
                   3866: 
1.131     bowersj2 3867:     # Unfortunately, this helper is so complicated we have to
                   3868:     # write it by hand
                   3869: 
                   3870:     Apache::loncommon::get_unprocessed_cgi($ENV{QUERY_STRING});
                   3871:     
1.176     bowersj2 3872:     my $helper = Apache::lonhelper::helper->new("Printing Helper");
1.146     bowersj2 3873:     $helper->declareVar('symb');
1.156     bowersj2 3874:     $helper->declareVar('postdata');    
1.290     sakharuk 3875:     $helper->declareVar('curseed'); 
                   3876:     $helper->declareVar('probstatus');   
1.156     bowersj2 3877:     $helper->declareVar('filename');
                   3878:     $helper->declareVar('construction');
1.178     sakharuk 3879:     $helper->declareVar('assignment');
1.262     sakharuk 3880:     $helper->declareVar('style_file');
1.340     foxr     3881:     $helper->declareVar('student_sort');
1.363     foxr     3882:     $helper->declareVar('FINISHPAGE');
1.366     foxr     3883:     $helper->declareVar('PRINT_TYPE');
1.372     foxr     3884:     $helper->declareVar("showallfoils");
1.483     foxr     3885:     $helper->declareVar("STUDENTS");
1.569     foxr     3886:     $helper->declareVar("EXTRASPACE");
1.518     foxr     3887: 
                   3888:    
                   3889: 
                   3890: 
1.569     foxr     3891:     #  The page breaks and extra spaces
                   3892:     #  can get loaded initially from the course environment:
1.394     foxr     3893:     # But we only do this in the initial state so that they are allowed to change.
                   3894:     #
1.366     foxr     3895: 
1.363     foxr     3896:     
                   3897:     &Apache::loncommon::restore_course_settings('print',
1.366     foxr     3898: 						{'pagebreaks'  => 'scalar',
1.569     foxr     3899: 						 'extraspace'  => 'scalar',
1.570     foxr     3900: 						 'extraspace_units' => 'scalar',
1.366     foxr     3901: 					         'lastprinttype' => 'scalar'});
                   3902:     
1.483     foxr     3903:     # This will persistently load in the data we want from the
                   3904:     # very first screen.
1.394     foxr     3905:     
                   3906:     if($helper->{VARS}->{PRINT_TYPE} eq $env{'form.lastprinttype'}) {
                   3907: 	if (!defined ($env{"form.CURRENT_STATE"})) {
                   3908: 	    
                   3909: 	    $helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3910: 	    $helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3911: 	    $helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
1.394     foxr     3912: 	} else {
                   3913: 	    my $state = $env{"form.CURRENT_STATE"};
                   3914: 	    if ($state eq "START") {
                   3915: 		$helper->{VARS}->{FINISHPAGE} = $env{'form.pagebreaks'};
1.569     foxr     3916: 		$helper->{VARS}->{EXTRASPACE} = $env{'form.extraspace'};
1.570     foxr     3917: 		$helper->{VARS}->{EXTRASPACE_UNITS} = $env{'form.extraspace_units'};
                   3918: 		
1.394     foxr     3919: 	    }
                   3920: 	}
                   3921: 	
1.366     foxr     3922:     }
1.481     albertel 3923: 
1.156     bowersj2 3924:     # Detect whether we're coming from construction space
1.602     www      3925:     if ($env{'form.postdata'}=~m{^/priv}) {
                   3926:         $helper->{VARS}->{'filename'} = $env{'form.postdata'};
1.156     bowersj2 3927:         $helper->{VARS}->{'construction'} = 1;
1.481     albertel 3928:     } else {
1.373     albertel 3929:         if ($env{'form.postdata'}) {
                   3930:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($env{'form.postdata'});
1.482     albertel 3931: 	    if ( $helper->{VARS}->{'symb'} eq '') {
                   3932: 		$helper->{VARS}->{'postdata'} = $env{'form.postdata'};
                   3933: 	    }
1.156     bowersj2 3934:         }
1.373     albertel 3935:         if ($env{'form.symb'}) {
                   3936:             $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.156     bowersj2 3937:         }
1.373     albertel 3938:         if ($env{'form.url'}) {
1.156     bowersj2 3939:             $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
                   3940:         }
1.416     foxr     3941: 
1.157     bowersj2 3942:     }
1.481     albertel 3943: 
1.373     albertel 3944:     if ($env{'form.symb'}) {
                   3945:         $helper->{VARS}->{'symb'} = $env{'form.symb'};
1.146     bowersj2 3946:     }
1.373     albertel 3947:     if ($env{'form.url'}) {
1.140     sakharuk 3948:         $helper->{VARS}->{'symb'} = &Apache::lonnet::symbread($helper->{VARS}->{'postdata'});
1.153     sakharuk 3949: 
1.140     sakharuk 3950:     }
1.343     albertel 3951:     $helper->{VARS}->{'symb'}=
                   3952: 	&Apache::lonenc::check_encrypt($helper->{VARS}->{'symb'});
1.335     albertel 3953:     my ($resourceTitle,$sequenceTitle,$mapTitle) = &details_for_menu($helper);
1.178     sakharuk 3954:     if ($sequenceTitle ne '') {$helper->{VARS}->{'assignment'}=$sequenceTitle;}
1.481     albertel 3955: 
1.156     bowersj2 3956:     
1.146     bowersj2 3957:     # Extract map
                   3958:     my $symb = $helper->{VARS}->{'symb'};
1.156     bowersj2 3959:     my ($map, $id, $url);
                   3960:     my $subdir;
1.483     foxr     3961:     my $is_published=0;		# True when printing from resource space.
1.589     foxr     3962:     my $res_printable = 1;	# By default the current resource is printable.    
                   3963:     my $userCanPrint = ($perm{'pav'} || $perm{'pfo'});
1.615     foxr     3964:     my $res_printstartdate;
                   3965:     my $res_printenddate;
1.616   ! foxr     3966:     my $map_open = 0;
        !          3967:     my $map_close = 0xffffffff;
        !          3968:     my $course_open = 0;
        !          3969:     my $course_close = 0xffffffff;
1.156     bowersj2 3970: 
                   3971:     # Get the resource name from construction space
                   3972:     if ($helper->{VARS}->{'construction'}) {
                   3973:         $resourceTitle = substr($helper->{VARS}->{'filename'}, 
                   3974:                                 rindex($helper->{VARS}->{'filename'}, '/')+1);
                   3975:         $subdir = substr($helper->{VARS}->{'filename'},
                   3976:                          0, rindex($helper->{VARS}->{'filename'}, '/') + 1);
1.481     albertel 3977:     } else {
1.562     foxr     3978: 	# From course space:
                   3979: 
1.482     albertel 3980: 	if ($symb ne '') {
                   3981: 	    ($map, $id, $url) = &Apache::lonnet::decode_symb($symb);
                   3982: 	    $helper->{VARS}->{'postdata'} = 
                   3983: 		&Apache::lonenc::check_encrypt(&Apache::lonnet::clutter($url));
1.589     foxr     3984: 	    my $navmap = Apache::lonnavmaps::navmap->new();
                   3985: 	    my $res   = $navmap->getBySymb($symb);
1.615     foxr     3986: 	    $res_printable  = $res->resprintable() | $userCanPrint; #printability in course context
                   3987: 	    ($res_printstartdate, $res_printenddate) = 	&get_print_dates($res);
1.616   ! foxr     3988: 	    ($course_open, $course_close) = &course_print_dates($res);
        !          3989: 	    ($map_open, $map_close)       = &map_print_dates($res);
        !          3990: 
1.482     albertel 3991: 	} else {
1.589     foxr     3992: 	    # Resource space.
                   3993: 
1.482     albertel 3994: 	    $url = $helper->{VARS}->{'postdata'};
1.483     foxr     3995: 	    $is_published=1;	# From resource space.
1.482     albertel 3996: 	}
                   3997: 	$url = &Apache::lonnet::clutter($url);
1.156     bowersj2 3998:         if (!$resourceTitle) { # if the resource doesn't have a title, use the filename
1.238     bowersj2 3999:             my $postdata = $helper->{VARS}->{'postdata'};
                   4000:             $resourceTitle = substr($postdata, rindex($postdata, '/') + 1);
1.156     bowersj2 4001:         }
                   4002:         $subdir = &Apache::lonnet::filelocation("", $url);
1.589     foxr     4003: 
                   4004: 
1.128     bowersj2 4005:     }
1.373     albertel 4006:     if (!$helper->{VARS}->{'curseed'} && $env{'form.curseed'}) {
                   4007: 	$helper->{VARS}->{'curseed'}=$env{'form.curseed'};
1.230     albertel 4008:     }
1.616   ! foxr     4009: 
1.373     albertel 4010:     if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
1.512     foxr     4011: 	$helper->{VARS}->{'probstatus'}=$env{'form.problemstatus'};
1.290     sakharuk 4012:     }
1.115     bowersj2 4013: 
1.192     bowersj2 4014:     my $userCanSeeHidden = Apache::lonnavmaps::advancedUser();
                   4015: 
1.481     albertel 4016:     Apache::lonhelper::registerHelperTags();
1.119     bowersj2 4017: 
1.131     bowersj2 4018:     # "Delete everything after the last slash."
1.119     bowersj2 4019:     $subdir =~ s|/[^/]+$||;
                   4020: 
1.131     bowersj2 4021:     # What can be printed is a very dynamic decision based on
                   4022:     # lots of factors. So we need to dynamically build this list.
                   4023:     # To prevent security leaks, states are only added to the wizard
                   4024:     # if they can be reached, which ensures manipulating the form input
                   4025:     # won't allow anyone to reach states they shouldn't have permission
                   4026:     # to reach.
                   4027: 
                   4028:     # printChoices is tracking the kind of printing the user can
                   4029:     # do, and will be used in a choices construction later.
                   4030:     # In the meantime we will be adding states and elements to
                   4031:     # the helper by hand.
                   4032:     my $printChoices = [];
                   4033:     my $paramHash;
1.130     sakharuk 4034: 
1.589     foxr     4035:     # If there is a current resource and it is printable
                   4036:     # Give that as a choice.
                   4037: 
                   4038:     if ($resourceTitle && $res_printable) {
1.458     www      4039:         push @{$printChoices}, ["<b><i>$resourceTitle</i></b> (".&mt('the resource you just saw on the screen').")", 'current_document', 'PAGESIZE'];
1.615     foxr     4040:     } 
1.156     bowersj2 4041: 
1.238     bowersj2 4042:     # Useful filter strings
1.589     foxr     4043: 
                   4044:     my $isPrintable = ' && $res->resprintable()';
                   4045: 
1.590     foxr     4046:     my $isProblem = '(($res->is_problem()||$res->contains_problem() ||$res->is_practice()))';
1.589     foxr     4047:     $isProblem .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4048:     $isProblem .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4049:     my $isProblemOrMap = '($res->is_problem() || $res->contains_problem() || $res->is_sequence() || $res->is_practice())';
                   4050:     $isProblemOrMap .= $isPrintable unless $userCanPrint;
                   4051:     my $isNotMap = '(!$res->is_sequence())';
                   4052:     $isNotMap .= $isPrintable unless $userCanPrint;
1.238     bowersj2 4053:     $isNotMap .= ' && !$res->randomout()' if !$userCanSeeHidden;
1.589     foxr     4054:     my $isMap = '$res->is_map()';
                   4055:     $isMap .= $isPrintable unless $userCanPrint;
                   4056:     my $symbFilter = '$res->shown_symb() ';
1.342     albertel 4057:     my $urlValue = '$res->link()';
1.238     bowersj2 4058: 
                   4059:     $helper->declareVar('SEQUENCE');
                   4060: 
1.465     albertel 4061:     # If we're in a sequence...
1.416     foxr     4062: 
1.465     albertel 4063:     my $start_new_option;
                   4064:     if ($perm{'pav'}) {
                   4065: 	$start_new_option = 
                   4066: 	    "<option text='".&mt('Start new page<br />before selected').
1.569     foxr     4067: 	    "' variable='FINISHPAGE' />".
1.570     foxr     4068: 	    "<option text='".&mt('Extra space<br />before selected').
1.569     foxr     4069: 	    "' variable='EXTRASPACE' type='text' />" .
                   4070: 	    "<option " .
1.570     foxr     4071: 	    "' variable='POSSIBLE_RESOURCES' type='hidden' />".
                   4072: 	    "<option text='".&mt('Space units<br />check for mm').
                   4073: 	    "' variable='EXTRASPACE_UNITS' type='checkbox' />"
                   4074: 	    ;
                   4075: 	    
1.569     foxr     4076: 
1.465     albertel 4077:     }
1.238     bowersj2 4078: 
1.562     foxr     4079:     # If not construction space user can print the components of a page:
                   4080: 
                   4081:     my $page_ispage;
                   4082:     my $page_title;
                   4083:     if (!$helper->{VARS}->{'construction'}) {
                   4084: 	my $varspostdata = $helper->{VARS}->{'postdata'};
                   4085: 	my $varsassignment = $helper->{VARS}->{'assignment'};
                   4086: 	my $page_navmap         = Apache::lonnavmaps::navmap->new();
1.563     foxr     4087: 	if (defined($page_navmap)) {
                   4088: 	    my @page_resources      = $page_navmap->retrieveResources($url);
                   4089: 	    if(defined($page_resources[0])) {
                   4090: 		$page_ispage       = $page_resources[0]->is_page();
                   4091: 		$page_title     = $page_resources[0]->title();
                   4092: 		my $resourcesymb   = $page_resources[0]->symb();
                   4093: 		my ($pagemap, $pageid, $pageurl) = &Apache::lonnet::decode_symb($symb);
                   4094: 		if ($page_ispage) {
                   4095: 		    push @{$printChoices}, 
                   4096: 		    [&mt('Selected [_1]Problems[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   4097: 		     'map_problems_in_page', 
                   4098: 		     'CHOOSE_PROBLEMS_PAGE'];
                   4099: 		    push @{$printChoices}, 
                   4100: 		    [&mt('Selected [_1]Resources[_2] from page [_3]', '<b>', '</b>', '<b><i>'.$page_title.'</i></b>'), 
                   4101: 		     'map_resources_in_page', 
                   4102: 		     'CHOOSE_RESOURCES_PAGE'];
                   4103: 		}
1.562     foxr     4104:         my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS_PAGE',
                   4105: 							'Select Problem(s) to print',
                   4106: 							"multichoice='1' toponly='1' addstatus='1' closeallpages='1'",
                   4107: 							'RESOURCES',
                   4108: 							'PAGESIZE',
                   4109: 							$url,
                   4110: 							$isProblem, '',  $symbFilter,
                   4111: 							$start_new_option);
                   4112: 
                   4113: 
                   4114:       $helperFragment .= &generate_resource_chooser('CHOOSE_RESOURCES_PAGE',
                   4115: 						    'Select Resource(s) to print',
                   4116: 						    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
                   4117: 						    'RESOURCES',
                   4118: 						    'PAGESIZE',
                   4119: 						    $url,
                   4120: 						    $isNotMap, '', $symbFilter,
                   4121: 						    $start_new_option);
                   4122: 
                   4123: 						    
                   4124: 
                   4125: 
                   4126: 
                   4127: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4128: 	
1.563     foxr     4129: 	    }
                   4130: 	}
1.562     foxr     4131:     }
                   4132: 
                   4133:     if (($helper->{'VAR'}->{'construction'} ne '1' ) &&
1.243     bowersj2 4134: 	$helper->{VARS}->{'postdata'} &&
                   4135: 	$helper->{VARS}->{'assignment'}) {
1.590     foxr     4136: 
                   4137: 	# BZ 5209 - Print incomplete problems from sequence:
                   4138: 	# the exact form of this depends on whether or not we are privileged or a mere
                   4139: 	# plebe of s student:
                   4140: 
                   4141: 	my $printSelector = 'map_incomplete_problems_seq';
                   4142: 	my $nextState     = 'CHOOSE_INCOMPLETE_SEQ';
                   4143: 	my $textSuffix    = '';
                   4144: 
1.616   ! foxr     4145: 	if ($userCanPrint)  {
1.590     foxr     4146: 	    $printSelector = 'map_incomplete_problems_people_seq';
                   4147: 	    $nextState     = 'CHOOSE_INCOMPLETE_PEOPLE_SEQ';
                   4148: 	    $textSuffix    = ' for selected students';
                   4149: 	    my $helperStates =
                   4150: 		&create_incomplete_folder_selstud_helper($helper, $map); 
                   4151: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperStates);
                   4152: 	} else {
1.616   ! foxr     4153: 	    if (&printable($map_open, $map_close)) {
        !          4154: 		my $helperStates = &create_incomplete_folder_helper($helper, $map); # Create needed states for student.
        !          4155: 		&Apache::lonxml::xmlparse($r, 'helper', $helperStates);
        !          4156: 	    } else {
        !          4157: 		# TODO: Figure out how to break the news...this folder is not printable.
        !          4158: 	    }
1.590     foxr     4159: 	}
                   4160: 
1.616   ! foxr     4161: 	if ($userCanPrint || &printable($map_open, $map_close)) {
        !          4162: 	    push(@{$printChoices},
        !          4163: 		 [&mt('Selected  [_1]Incomplete Problems[_2] from folder [_3]' . $textSuffix,
        !          4164: 		      '<b>', '</b>',
        !          4165: 		      '<b><i>'. $sequenceTitle . '</b></i>'),
        !          4166: 		  $printSelector,
        !          4167: 		  $nextState]);
        !          4168: 	}
1.131     bowersj2 4169:         # Allow problems from sequence
1.616   ! foxr     4170: 	if ($userCanPrint || &printable($map_open, $map_close)) {
        !          4171: 	    push @{$printChoices}, 
1.562     foxr     4172: 	    [&mt('Selected [_1]Problems[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
                   4173: 	     'map_problems', 
                   4174: 	     'CHOOSE_PROBLEMS'];
1.616   ! foxr     4175: 	    # Allow all resources from sequence
        !          4176: 	    push @{$printChoices}, [&mt('Selected [_1]Resources[_2] from folder [_3]','<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>'), 
        !          4177: 				    'map_problems_pages', 
        !          4178: 				    'CHOOSE_PROBLEMS_HTML'];
        !          4179: 	    my $helperFragment = &generate_resource_chooser('CHOOSE_PROBLEMS',
        !          4180: 							    'Select Problem(s) to print',
        !          4181: 							    'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
        !          4182: 							    'RESOURCES',
        !          4183: 							    'PAGESIZE',
        !          4184: 							    $map,
        !          4185: 							    !							$isProblem, '',
        !          4186: 							    $symbFilter,
        !          4187: 							    $start_new_option);
        !          4188: 	    $helperFragment .= &generate_resource_chooser('CHOOSE_PROBLEMS_HTML',
        !          4189: 							  'Select Resource(s) to print',
        !          4190: 							  'multichoice="1" toponly="1" addstatus="1" closeallpages="1"',
        !          4191: 							  'RESOURCES',
        !          4192: 							  'PAGESIZE',
        !          4193: 							  $map,
        !          4194: 							  $isNotMap, '',
        !          4195: 							  $symbFilter,
        !          4196: 							  $start_new_option);
        !          4197: 	    
        !          4198: 	    &Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
        !          4199: 	} else {
        !          4200: 	    # TODO: Figure out how to tell them the folder is not printable.
        !          4201: 	}
1.121     bowersj2 4202:     }
1.616   ! foxr     4203: 	# If the user has pfo (print for others) allow them to print all 
        !          4204: 	# problems and resources  in the entire course, optionally for selected students
        !          4205: 	my $post_data = $helper->{VARS}->{'postdata'};
1.590     foxr     4206:     
1.483     foxr     4207:     if ($perm{'pfo'} &&  !$is_published  &&
1.562     foxr     4208:         ($post_data=~/\/res\// || $post_data =~/\/(syllabus|smppg|aboutme|bulletinboard)$/)) { 
1.481     albertel 4209: 
1.590     foxr     4210: 	# BZ 5209 - incomplete problems from entire course:
                   4211: 
                   4212: 	push(@{$printChoices},
1.594     foxr     4213: 	     [&mtn('Selected <b>Incomplete Problems</b> from <b>entire course</b> for selected people'),
1.590     foxr     4214: 	      'incomplete_problems_selpeople_course', 'INCOMPLETE_PROBLEMS_COURSE_RESOURCES']);
                   4215: 	my $helperFragment = &create_incomplete_course_helper($helper); # Create needed states.
                   4216: 
                   4217: 	&Apache::lonxml::xmlparse($r, 'helper', $helperFragment);
                   4218: 
                   4219: 	#  Selected problems/resources from entire course:
                   4220: 
1.509     albertel 4221:         push @{$printChoices}, [&mtn('Selected <b>Problems</b> from <b>entire course</b>'), 'all_problems', 'ALL_PROBLEMS'];
                   4222: 	push @{$printChoices}, [&mtn('Selected <b>Resources</b> from <b>entire course</b>'), 'all_resources', 'ALL_RESOURCES'];
1.536     foxr     4223: 	push @{$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     4224: my $suffixXml = <<ALL_PROBLEMS;
1.536     foxr     4225:   <state name="STUDENTS1" title="Select People">
                   4226:       <message><b>Select sorting order of printout</b> </message>
                   4227:     <choices variable='student_sort'>
                   4228:       <choice computer='0'>Sort by section then student</choice>
                   4229:       <choice computer='1'>Sort by students across sections.</choice>
                   4230:     </choices>
                   4231:       <message><br /><hr /><br /> </message>
                   4232:       <student multichoice='1' variable="STUDENTS" nextstate="PRINT_FORMATTING" coursepersonnel="1"/>
                   4233:   </state>
1.284     albertel 4234: ALL_PROBLEMS
1.562     foxr     4235:          &Apache::lonxml::xmlparse($r, 'helper', 
                   4236: 				   &generate_resource_chooser('ALL_PROBLEMS',
                   4237: 							      'SelectProblem(s) to print',
                   4238: 							      'multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   4239: 							      'RESOURCES',
                   4240: 							      'PAGESIZE',
                   4241: 							      '',
                   4242: 							      $isProblemOrMap, $isNotMap,
                   4243: 							      $symbFilter,
                   4244: 							      $start_new_option) .
                   4245: 				   &generate_resource_chooser('ALL_RESOURCES',
                   4246: 							      'Select Resource(s) to print',
                   4247: 							      " toponly='0' multichoice='1' suppressEmptySequences='0' addstatus='1' closeallpages='1'",
                   4248: 							      'RESOURCES',
                   4249: 							      'PAGESIZE',
                   4250: 							      '',
                   4251: 							      $isNotMap,'',$symbFilter,
                   4252: 							      $start_new_option) .
                   4253: 				   &generate_resource_chooser('ALL_PROBLEMS_STUDENTS',
                   4254: 							      'Select Problem(s) to print',
                   4255: 							      'toponly="0" multichoice="1" suppressEmptySequences="0" addstatus="1" closeallpages="1"',
                   4256: 							      'RESOURCES',
                   4257: 							      'STUDENTS1',
                   4258: 							      '',
                   4259: 							      $isProblemOrMap,'' , $symbFilter,
                   4260: 							      $start_new_option) .
                   4261: 				     $suffixXml
                   4262: 				   );
1.132     bowersj2 4263: 
1.284     albertel 4264: 	if ($helper->{VARS}->{'assignment'}) {
1.562     foxr     4265: 
                   4266: 	    # If we were looking at a page, allow a selection of problems from the page
                   4267: 	    # either for selected students or for coded assignments.
                   4268: 
                   4269: 	    if ($page_ispage) {
                   4270: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]selected people[_5]',
                   4271: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4272: 					'problems_for_students_from_page', 'CHOOSE_TGT_STUDENTS_PAGE'];
                   4273: 		push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from page [_3] for [_4]CODEd assignments[_5]',
                   4274: 					    '<b>', '</b>', '<b><i>'.$page_title.'</i></b>', '<b>', '</b>'),
                   4275: 					'problems_for_anon_page', 'CHOOSE_ANON1_PAGE'];
                   4276: 	    }
                   4277: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]selected people[_5]',
                   4278: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   4279: 				    'problems_for_students', 'CHOOSE_STUDENTS'];
                   4280: 	    push @{$printChoices}, [&mt('Selected [_1]Problems[_2] from folder [_3] for [_4]CODEd assignments[_5]',
                   4281: 					'<b>','</b>','<b><i>'.$sequenceTitle.'</i></b>','<b>','</b>'), 
                   4282: 				    'problems_for_anon', 'CHOOSE_ANON1'];
1.284     albertel 4283: 	}
1.424     foxr     4284: 
1.507     albertel 4285: 	my $randomly_ordered_warning = 
1.591     foxr     4286:             &get_randomly_ordered_warning($helper, $map);
1.507     albertel 4287: 
1.424     foxr     4288: 	# resource_selector will hold a few states that:
                   4289: 	#   - Allow resources to be selected for printing.
                   4290: 	#   - Determine pagination between assignments.
                   4291: 	#   - Determine how many assignments should be bundled into a single PDF.
                   4292:         # TODO:
                   4293: 	#    Probably good to do things like separate this up into several vars, each
                   4294: 	#    with one state, and use REGEXPs at inclusion time to set state names
                   4295: 	#    and next states for better mix and match capability
                   4296: 	#
1.562     foxr     4297: 	my $resource_selector= &generate_resource_chooser('SELECT_PROBLEMS',
                   4298: 							  'Select resources to print',
                   4299: 							  'multichoice="1" addstatus="1" closeallpages="1"',
                   4300: 							  'RESOURCES', 
                   4301: 							  'PRINT_FORMATTING',
1.571     droeschl 4302: 							  $map,
1.562     foxr     4303: 							  $isProblem, '', $symbFilter,
                   4304: 							  $start_new_option);
1.586     raeburn  4305: 	$resource_selector .=  &generate_format_selector($helper,
1.598     raeburn  4306:                                                          'How should results be printed?',
                   4307:                                                          'PRINT_FORMATTING').
1.586     raeburn  4308:                                &generate_resource_chooser('CHOOSE_STUDENTS_PAGE',
1.562     foxr     4309: 							'Select Problem(s) to print',
                   4310: 							"multichoice='1' addstatus='1' closeallpages ='1'",
                   4311: 							'RESOURCES',
                   4312: 							'PRINT_FORMATTING',
                   4313: 							$url,
                   4314: 							$isProblem, '',  $symbFilter,
                   4315: 							$start_new_option);
                   4316: 
                   4317: 
                   4318: # Generate student choosers.
                   4319: 
                   4320: 
1.284     albertel 4321: 
1.562     foxr     4322:         &Apache::lonxml::xmlparse($r, 'helper',
                   4323: 				  &generate_student_chooser('CHOOSE_TGT_STUDENTS_PAGE',
                   4324: 							    'student_sort',
                   4325: 							    'STUDENTS',
                   4326: 							    'CHOOSE_STUDENTS_PAGE'));
                   4327: 	&Apache::lonxml::xmlparse($r, 'helper', 
                   4328: 				  &generate_student_chooser('CHOOSE_STUDENTS',
                   4329: 							    'student_sort',
                   4330: 							    'STUDENTS',
                   4331: 							    'SELECT_PROBLEMS'));
                   4332: 	&Apache::lonxml::xmlparse($r, 'helper', $resource_selector);
1.292     albertel 4333: 
1.373     albertel 4334: 	my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
                   4335: 	my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
1.292     albertel 4336:         my @names=&Apache::lonnet::getkeys('CODEs',$cdom,$cnum);
                   4337: 	my $namechoice='<choice></choice>';
1.337     albertel 4338: 	foreach my $name (sort {uc($a) cmp uc($b)} @names) {
1.294     albertel 4339: 	    if ($name =~ /^error: 2 /) { next; }
1.381     albertel 4340: 	    if ($name =~ /^type\0/) { next; }
1.292     albertel 4341: 	    $namechoice.='<choice computer="'.$name.'">'.$name.'</choice>';
                   4342: 	}
1.389     foxr     4343: 
                   4344: 
                   4345: 	my %code_values;
1.405     albertel 4346: 	my %codes_to_print;
1.411     albertel 4347: 	foreach my $key (@names) {
1.389     foxr     4348: 	    %code_values = &Apache::grades::get_codes($key, $cdom, $cnum);
1.405     albertel 4349: 	    foreach my $key (keys(%code_values)) {
                   4350: 		$codes_to_print{$key} = 1;
1.388     foxr     4351: 	    }
                   4352: 	}
1.389     foxr     4353: 
1.452     albertel 4354: 	my $code_selection;
1.405     albertel 4355: 	foreach my $code (sort {uc($a) cmp uc($b)} (keys(%codes_to_print))) {
1.389     foxr     4356: 	    my $choice  = $code;
                   4357: 	    if ($code =~ /^[A-Z]+$/) { # Alpha code
                   4358: 		$choice = &letters_to_num($code);
                   4359: 	    }
1.432     albertel 4360: 	    push(@{$helper->{DATA}{ALL_CODE_CHOICES}},[$code,$choice]);
1.388     foxr     4361: 	}
1.436     albertel 4362: 	if (%codes_to_print) {
                   4363: 	    $code_selection .='   
1.472     albertel 4364: 	    <message><b>Choose single CODE from list:</b></message>
1.448     albertel 4365: 		<message></td><td></message>
1.452     albertel 4366: 		<dropdown variable="CODE_SELECTED_FROM_LIST" multichoice="0" allowempty="0">
                   4367:                   <choice></choice>
1.448     albertel 4368:                   <exec>
                   4369:                      push(@{$state->{CHOICES}},@{$helper->{DATA}{ALL_CODE_CHOICES}});
                   4370:                   </exec>
1.452     albertel 4371: 		</dropdown>
1.468     foxr     4372: 	    <message></td></tr><tr><td></message>
1.436     albertel 4373:             '.$/;
1.448     albertel 4374: 
1.436     albertel 4375: 	}
1.432     albertel 4376: 
1.542     raeburn  4377:         my @lines = &Apache::grades::get_scantronformat_file();
1.381     albertel 4378: 	my $codechoice='';
1.542     raeburn  4379: 	foreach my $line (@lines) {
1.381     albertel 4380: 	    my ($name,$description,$code_type,$code_length)=
                   4381: 		(split(/:/,$line))[0,1,2,4];
                   4382: 	    if ($code_length > 0 && 
                   4383: 		$code_type =~/^(letter|number|-1)/) {
                   4384: 		$codechoice.='<choice computer="'.$name.'">'.$description.'</choice>';
                   4385: 	    }
                   4386: 	}
                   4387: 	if ($codechoice eq '') {
                   4388: 	    $codechoice='<choice computer="default">Default</choice>';
                   4389: 	}
1.562     foxr     4390: 	my $anon1 = &generate_code_selector($helper, 
                   4391: 					    'CHOOSE_ANON1',
                   4392: 					    'SELECT_PROBLEMS',
                   4393: 					    $codechoice,
                   4394: 					    $code_selection,
                   4395: 					    $namechoice) . $resource_selector;
                   4396: 					    
                   4397: 					    
                   4398:         &Apache::lonxml::xmlparse($r, 'helper',$anon1);
                   4399: 
                   4400: 	my $anon_page = &generate_code_selector($helper,
                   4401: 						'CHOOSE_ANON1_PAGE',
                   4402: 						'SELECT_PROBLEMS_PAGE',
                   4403: 						$codechoice,
                   4404: 						$code_selection,
                   4405: 						$namechoice) .
                   4406: 			&generate_resource_chooser('SELECT_PROBLEMS_PAGE',
                   4407: 						   'Select Problem(s) to print',
                   4408: 						   "multichoice='1' addstatus='1' closeallpages ='1'",
                   4409: 						   'RESOURCES',
                   4410: 						   'PRINT_FORMATTING',
                   4411: 						   $url,
                   4412: 						   $isProblem, '',  $symbFilter,
                   4413: 						   $start_new_option);
                   4414: 	&Apache::lonxml::xmlparse($r, 'helper', $anon_page);
1.254     sakharuk 4415: 
1.272     sakharuk 4416: 
1.254     sakharuk 4417: 	if ($helper->{VARS}->{'assignment'}) {
1.590     foxr     4418: 
                   4419: 	    # Assignment printing:
                   4420: 
1.546     bisitz   4421: 	    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'];
                   4422: 	    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 4423: 	}
1.284     albertel 4424: 	    
                   4425: 
                   4426: 	$resource_selector=<<RESOURCE_SELECTOR;
1.424     foxr     4427:     <state name="SELECT_RESOURCES" title="Select Resources">
1.507     albertel 4428:     $randomly_ordered_warning
1.424     foxr     4429:     <nextstate>PRINT_FORMATTING</nextstate>
1.254     sakharuk 4430:     <message><br /><big><i><b>Select resources for the assignment</b></i></big><br /></message>
1.287     albertel 4431:     <resource variable="RESOURCES" multichoice="1" addstatus="1" 
                   4432:               closeallpages="1">
1.254     sakharuk 4433:       <filterfunc>return $isNotMap;</filterfunc>
                   4434:       <mapurl>$map</mapurl>
                   4435:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4436:       $start_new_option
1.254     sakharuk 4437:       </resource>
1.424     foxr     4438:     </state>
1.284     albertel 4439: RESOURCE_SELECTOR
                   4440: 
1.586     raeburn  4441:         $resource_selector .= &generate_format_selector($helper,
                   4442:                                                         'Format of the print job',
1.598     raeburn  4443:                                                         'PRINT_FORMATTING');
1.284     albertel 4444: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_STUDENTS1);
                   4445:   <state name="CHOOSE_STUDENTS1" title="Select Students and Resources">
1.340     foxr     4446:     <choices variable='student_sort'>
                   4447:       <choice computer='0'>Sort by section then student</choice>
                   4448:       <choice computer='1'>Sort by students across sections.</choice>
                   4449:     </choices>
1.437     foxr     4450:     <message><br /><hr /><br /></message>
1.426     foxr     4451:     <student multichoice='1' variable="STUDENTS" nextstate="SELECT_RESOURCES" coursepersonnel="1" />
1.340     foxr     4452: 
1.424     foxr     4453:     </state>
1.284     albertel 4454:     $resource_selector
1.254     sakharuk 4455: CHOOSE_STUDENTS1
                   4456: 
1.284     albertel 4457: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_ANON2);
1.472     albertel 4458:   <state name="CHOOSE_ANON2" title="Select CODEd Assignments">
1.424     foxr     4459:     <nextstate>SELECT_RESOURCES</nextstate>
1.472     albertel 4460:     <message><h4>Fill out one of the forms below</h4></message>
                   4461:     <message><br /><hr /> <br /></message>
                   4462:     <message><h3>Generate new CODEd Assignments</h3></message>
                   4463:     <message><table><tr><td><b>Number of CODEd assignments to print:</b></td><td></message>
1.579     foxr     4464:     <string variable="NUMBER_TO_PRINT_TOTAL" maxlength="5" size="5"  noproceed="1">
1.362     albertel 4465:        <validator>
                   4466: 	if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) < 1) &&
1.386     foxr     4467: 	    !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                &&
1.388     foxr     4468: 	    !\$helper->{'VARS'}{'SINGLE_CODE'}                   &&
                   4469: 	    !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.362     albertel 4470: 	    return "You need to specify the number of assignments to print";
                   4471: 	}
1.578     foxr     4472:         if (((\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}+0) >= 1)  &&
                   4473:              (\$helper->{'VARS'}{'SINGLE_CODE'} ne '') ) {
                   4474:             return 'Specifying number of codes to print and a specific code is not compatible';
                   4475:         }
1.362     albertel 4476: 	return undef;
                   4477:        </validator>
                   4478:     </string>
                   4479:     <message></td></tr><tr><td></message>
1.501     albertel 4480:     <message><b>Names to save the CODEs under for later:</b></message>
1.412     albertel 4481:     <message></td><td></message>
                   4482:     <string variable="ANON_CODE_STORAGE_NAME" maxlength="50" size="20" />
                   4483:     <message></td></tr><tr><td></message>
1.599     raeburn  4484:     <message><b>Bubblesheet type:</b></message>
1.412     albertel 4485:     <message></td><td></message>
                   4486:     <dropdown variable="CODE_OPTION" multichoice="0" allowempty="0">
                   4487:     $codechoice
                   4488:     </dropdown>
1.472     albertel 4489:     <message></td></tr><tr><td></table></message>
                   4490:     <message><br /><hr /><h3>Print a Specific CODE </h3><br /><table></message>
                   4491:     <message><tr><td><b>Enter a CODE to print:</b></td><td></message>
1.412     albertel 4492:     <string variable="SINGLE_CODE" size="10">
1.386     foxr     4493:         <validator>
                   4494: 	   if(!\$helper->{'VARS'}{'NUMBER_TO_PRINT_TOTAL'}           &&
1.388     foxr     4495: 	      !\$helper->{'VARS'}{'REUSE_OLD_CODES'}                 &&
                   4496: 	      !\$helper->{'VARS'}{'CODE_SELECTED_FROM_LIST'}) {
1.386     foxr     4497: 	      return &Apache::lonprintout::is_code_valid(\$helper->{'VARS'}{'SINGLE_CODE'},
                   4498: 						      \$helper->{'VARS'}{'CODE_OPTION'});
1.577     foxr     4499: 	  } elsif (\$helper->{'VARS'}{'SINGLE_CODE'} ne ''){
1.578     foxr     4500: 	      return 'Specifying a code name is incompatible specifying number of codes.';
1.386     foxr     4501: 	   } else {
                   4502: 	       return undef;	# Other forces control us.
                   4503: 	   }
                   4504:         </validator>
                   4505:     </string>
1.472     albertel 4506:     <message></td></tr><tr><td></message>
1.432     albertel 4507:         $code_selection
1.472     albertel 4508:     <message></td></tr></table></message>
                   4509:     <message><hr /><h3>Reprint a Set of Saved CODEs</h3><table><tr><td></message>
                   4510:     <message><b>Select saved CODEs:</b></message>
1.381     albertel 4511:     <message></td><td></message>
1.294     albertel 4512:     <dropdown variable="REUSE_OLD_CODES">
                   4513:         $namechoice
                   4514:     </dropdown>
1.412     albertel 4515:     <message></td></tr></table></message>
1.424     foxr     4516:   </state>
1.284     albertel 4517:     $resource_selector
                   4518: CHOOSE_ANON2
1.481     albertel 4519:     }
                   4520: 
1.121     bowersj2 4521:     # FIXME: That RE should come from a library somewhere.
1.483     foxr     4522:     if (($perm{'pav'} 
1.482     albertel 4523: 	&& $subdir ne $Apache::lonnet::perlvar{'lonDocRoot'}.'/res/'
                   4524: 	&& (defined($helper->{'VARS'}->{'construction'})
                   4525: 	    ||
                   4526: 	    (&Apache::lonnet::allowed('bre',$subdir) eq 'F'
                   4527: 	     && 
                   4528: 	     $helper->{VARS}->{'postdata'}=~/\.(problem|exam|quiz|assess|survey|form|library|page|xml|html|htm|xhtml|xhtm)/)
1.483     foxr     4529: 	    )) 
                   4530: 	&& $helper->{VARS}->{'assignment'} eq ""
1.482     albertel 4531: 	) {
                   4532: 	my $pretty_dir = &Apache::lonnet::hreflocation($subdir);
1.546     bisitz   4533:         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 4534:         my $xmlfrag = <<CHOOSE_FROM_SUBDIR;
1.482     albertel 4535:   <state name="CHOOSE_FROM_SUBDIR" title="Select File(s) from <b><small>$pretty_dir</small></b> to print">
1.458     www      4536: 
1.138     bowersj2 4537:     <files variable="FILES" multichoice='1'>
1.144     bowersj2 4538:       <nextstate>PAGESIZE</nextstate>
1.138     bowersj2 4539:       <filechoice>return '$subdir';</filechoice>
1.139     bowersj2 4540: CHOOSE_FROM_SUBDIR
                   4541:         
1.238     bowersj2 4542:         # this is broken up because I really want interpolation above,
                   4543:         # and I really DON'T want it below
1.139     bowersj2 4544:         $xmlfrag .= <<'CHOOSE_FROM_SUBDIR';
1.225     bowersj2 4545:       <filefilter>return Apache::lonhelper::files::not_old_version($filename) &&
                   4546: 	  $filename =~ m/\.(problem|exam|quiz|assess|survey|form|library)$/;
1.131     bowersj2 4547:       </filefilter>
1.138     bowersj2 4548:       </files>
1.131     bowersj2 4549:     </state>
                   4550: CHOOSE_FROM_SUBDIR
1.139     bowersj2 4551:         &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.131     bowersj2 4552:     }
1.238     bowersj2 4553: 
                   4554:     # Allow the user to select any sequence in the course, feed it to
                   4555:     # another resource selector for that sequence
1.483     foxr     4556:     if (!$helper->{VARS}->{'construction'} && !$is_published) {
1.509     albertel 4557: 	push @$printChoices, [&mtn("Selected <b>Resources</b> from <b>selected folder</b> in course"),
1.249     sakharuk 4558: 			      'select_sequences', 'CHOOSE_SEQUENCE'];
1.244     bowersj2 4559: 	my $escapedSequenceName = $helper->{VARS}->{'SEQUENCE'};
                   4560: 	#Escape apostrophes and backslashes for Perl
                   4561: 	$escapedSequenceName =~ s/\\/\\\\/g;
                   4562: 	$escapedSequenceName =~ s/'/\\'/g;
1.239     bowersj2 4563: 	&Apache::lonxml::xmlparse($r, 'helper', <<CHOOSE_FROM_ANY_SEQUENCE);
1.238     bowersj2 4564:   <state name="CHOOSE_SEQUENCE" title="Select Sequence To Print From">
                   4565:     <message>Select the sequence to print resources from:</message>
                   4566:     <resource variable="SEQUENCE">
                   4567:       <nextstate>CHOOSE_FROM_ANY_SEQUENCE</nextstate>
1.616   ! foxr     4568:       <filterfunc>return &Apache::lonprintout::printable_sequence(\$res);</filterfunc>
1.238     bowersj2 4569:       <valuefunc>return $urlValue;</valuefunc>
1.447     foxr     4570:       <choicefunc>return \$res->hasResource(\$res,sub { return !\$_[0]->is_sequence() },0,0);
1.391     foxr     4571: 	</choicefunc>
1.238     bowersj2 4572:       </resource>
                   4573:     </state>
                   4574:   <state name="CHOOSE_FROM_ANY_SEQUENCE" title="Select Resources To Print">
                   4575:     <message>(mark desired resources then click "next" button) <br /></message>
1.435     foxr     4576:     <resource variable="RESOURCES" multichoice="1" toponly='1' addstatus="1"
1.287     albertel 4577:               closeallpages="1">
1.238     bowersj2 4578:       <nextstate>PAGESIZE</nextstate>
1.466     albertel 4579:       <filterfunc>return $isNotMap</filterfunc>
1.244     bowersj2 4580:       <mapurl evaluate='1'>return '$escapedSequenceName';</mapurl>
1.238     bowersj2 4581:       <valuefunc>return $symbFilter;</valuefunc>
1.465     albertel 4582:       $start_new_option
1.238     bowersj2 4583:       </resource>
                   4584:     </state>
                   4585: CHOOSE_FROM_ANY_SEQUENCE
1.239     bowersj2 4586: }
1.481     albertel 4587: 
1.131     bowersj2 4588:     # Generate the first state, to select which resources get printed.
1.223     bowersj2 4589:     Apache::lonhelper::state->new("START", "Select Printing Options:");
1.615     foxr     4590:     if (!$res_printable) {
                   4591: 	$paramHash = Apache::lonhelper::getParamHash();
                   4592: 	$paramHash->{MESSAGE_TEXT} = 
                   4593: 	    &mt('<p><b>Printing for current resource is only possible between [_1] and [_1]</b></p>',
                   4594: 	    $res_printstartdate, $res_printenddate);
                   4595: 	Apache::lonhelper::message->new();
                   4596:     }
                   4597:     $paramHash = Apache::lonhelper::getParamHash();
1.131     bowersj2 4598:     $paramHash = Apache::lonhelper::getParamHash();
1.155     sakharuk 4599:     $paramHash->{MESSAGE_TEXT} = "";
1.131     bowersj2 4600:     Apache::lonhelper::message->new();
                   4601:     $paramHash = Apache::lonhelper::getParamHash();
                   4602:     $paramHash->{'variable'} = 'PRINT_TYPE';
                   4603:     $paramHash->{CHOICES} = $printChoices;
                   4604:     Apache::lonhelper::choices->new();
1.161     bowersj2 4605: 
1.223     bowersj2 4606:     my $startedTable = 0; # have we started an HTML table yet? (need
                   4607:                           # to close it later)
                   4608: 
1.585     raeburn  4609:     if (($perm{'pav'} and $perm{'vgr'}) or 
1.170     sakharuk 4610: 	($helper->{VARS}->{'construction'} eq '1')) {
1.544     bisitz   4611: 	&addMessage('<br />'
                   4612:                    .'<h3>'.&mt('Print Options').'</h3>'
                   4613:                    .&Apache::lonhtmlcommon::start_pick_box()
                   4614:                    .&Apache::lonhtmlcommon::row_title(
                   4615:                        '<label for="ANSWER_TYPE_forminput">'
                   4616:                       .&mt('Print Answers')
                   4617:                       .'</label>'
                   4618:                     )
                   4619:         );
1.161     bowersj2 4620:         $paramHash = Apache::lonhelper::getParamHash();
1.162     sakharuk 4621: 	$paramHash->{'variable'} = 'ANSWER_TYPE';   
                   4622: 	$helper->declareVar('ANSWER_TYPE');         
1.161     bowersj2 4623:         $paramHash->{CHOICES} = [
1.242     sakharuk 4624:                                    ['Without Answers', 'yes'],
                   4625:                                    ['With Answers', 'no'],
1.368     albertel 4626:                                    ['Only Answers', 'only']
1.289     sakharuk 4627:                                 ];
1.210     sakharuk 4628:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4629: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.223     bowersj2 4630: 	$startedTable = 1;
1.556     foxr     4631: 
                   4632: #
                   4633: #  Select font size.
                   4634: #
                   4635: 
                   4636:             $helper->declareVar('fontsize');
                   4637:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Font Size')));
                   4638:             my $xmlfrag = << "FONT_SELECTION";
                   4639: 
                   4640:           
                   4641:             <dropdown variable='fontsize' multichoice='0', allowempty='0'>
                   4642:             <defaultvalue>
                   4643: 		  return 'normalsize';
                   4644:             </defaultvalue>
                   4645:             <choice computer='tiny'>Tiny</choice>
                   4646:             <choice computer='sub/superscriptsize'>Script Size</choice>
                   4647:             <choice computer='footnotesize'>Footnote Size</choice>
                   4648:             <choice computer='small'>Small</choice>
                   4649:             <choice computer='normalsize'>Normal (default)</choice>
                   4650:             <choice computer='large'>larger than normal</choice>
                   4651:             <choice computer='Large'>Even larger than normal</choice>
                   4652:             <choice computer='LARGE'>Still larger than normal</choice>
                   4653:             <choice computer='huge'>huge font size</choice>
                   4654:             <choice computer='Huge'>Largest possible size</choice>
                   4655:             </dropdown>
                   4656: FONT_SELECTION
                   4657:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
                   4658:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.161     bowersj2 4659:     }
1.209     sakharuk 4660: 
1.397     albertel 4661:     if ($perm{'pav'}) {
1.223     bowersj2 4662: 	if (!$startedTable) {
1.497     www      4663: 	    addMessage("<hr width='33%' /><table><tr><td align='right'>".
                   4664:                        '<label for="LATEX_TYPE_forminput">'.
                   4665:                        &mt('LaTeX mode').
                   4666:                        "</label>: </td><td>");
1.223     bowersj2 4667: 	    $startedTable = 1;
                   4668: 	} else {
1.544     bisitz   4669: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4670:                            '<label for="LATEX_TYPE_forminput">'
                   4671:                            .&mt('LaTeX mode')
                   4672:                            .'</label>'
                   4673:                         )
                   4674:             );
1.223     bowersj2 4675: 	}
1.203     sakharuk 4676:         $paramHash = Apache::lonhelper::getParamHash();
                   4677: 	$paramHash->{'variable'} = 'LATEX_TYPE';   
                   4678: 	$helper->declareVar('LATEX_TYPE');  
                   4679: 	if ($helper->{VARS}->{'construction'} eq '1') {       
                   4680: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4681: 				     ['standard LaTeX mode', 'standard'], 
                   4682: 				     ['LaTeX batchmode', 'batchmode'], ];
1.203     sakharuk 4683: 	} else {
                   4684: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4685: 				     ['LaTeX batchmode', 'batchmode'],
                   4686: 				     ['standard LaTeX mode', 'standard'] ];
1.203     sakharuk 4687: 	}
1.210     sakharuk 4688:         Apache::lonhelper::dropdown->new();
1.218     sakharuk 4689:  
1.544     bisitz   4690: 	&addMessage(&Apache::lonhtmlcommon::row_closure()
                   4691:                    .&Apache::lonhtmlcommon::row_title(
                   4692:                         '<label for="TABLE_CONTENTS_forminput">'
                   4693:                        .&mt('Print Table of Contents')
                   4694:                        .'</label>'
                   4695:                     )
                   4696:         );
1.209     sakharuk 4697:         $paramHash = Apache::lonhelper::getParamHash();
                   4698: 	$paramHash->{'variable'} = 'TABLE_CONTENTS';   
                   4699: 	$helper->declareVar('TABLE_CONTENTS');         
                   4700:         $paramHash->{CHOICES} = [
1.223     bowersj2 4701:                                    ['No', 'no'],
                   4702:                                    ['Yes', 'yes'] ];
1.210     sakharuk 4703:         Apache::lonhelper::dropdown->new();
1.544     bisitz   4704: 	&addMessage(&Apache::lonhtmlcommon::row_closure());
1.214     sakharuk 4705:         
1.220     sakharuk 4706: 	if (not $helper->{VARS}->{'construction'}) {
1.545     bisitz   4707: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4708:                             '<label for="TABLE_INDEX_forminput">'
                   4709:                            .&mt('Print Index')
                   4710:                            .'</label>'
                   4711:                         )
                   4712:             );
1.220     sakharuk 4713: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4714: 	    $paramHash->{'variable'} = 'TABLE_INDEX';   
                   4715: 	    $helper->declareVar('TABLE_INDEX');         
                   4716: 	    $paramHash->{CHOICES} = [
1.223     bowersj2 4717: 				     ['No', 'no'],
                   4718: 				     ['Yes', 'yes'] ];
1.220     sakharuk 4719: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4720:             &addMessage(&Apache::lonhtmlcommon::row_closure());
                   4721:             &addMessage(&Apache::lonhtmlcommon::row_title(
                   4722:                             '<label for="PRINT_DISCUSSIONS_forminput">'
                   4723:                            .&mt('Print Discussions')
                   4724:                            .'</label>'
                   4725:                         )
                   4726:             );
1.309     sakharuk 4727: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4728: 	    $paramHash->{'variable'} = 'PRINT_DISCUSSIONS';   
                   4729: 	    $helper->declareVar('PRINT_DISCUSSIONS');         
                   4730: 	    $paramHash->{CHOICES} = [
                   4731: 				     ['No', 'no'],
                   4732: 				     ['Yes', 'yes'] ];
                   4733: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4734:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.372     foxr     4735: 
1.511     foxr     4736: 	    # Prompt for printing annotations too.
                   4737: 		
1.545     bisitz   4738: 	    &addMessage(&Apache::lonhtmlcommon::row_title(
                   4739:                             '<label for="PRINT_ANNOTATIONS_forminput">'
                   4740:                            .&mt('Print Annotations')
                   4741:                            .'</label>'
                   4742:                         )
                   4743:             );
1.511     foxr     4744: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4745: 	    $paramHash->{'variable'} = "PRINT_ANNOTATIONS";
                   4746: 	    $helper->declareVar("PRINT_ANNOTATIONS");
                   4747: 	    $paramHash->{CHOICES} = [
                   4748: 				     ['No', 'no'],
                   4749: 				     ['Yes', 'yes']];
                   4750: 	    Apache::lonhelper::dropdown->new();
1.545     bisitz   4751:             &addMessage(&Apache::lonhtmlcommon::row_closure());
1.511     foxr     4752: 
1.545     bisitz   4753:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Foils')));
1.397     albertel 4754: 	    $paramHash = Apache::lonhelper::getParamHash();
                   4755: 	    $paramHash->{'multichoice'} = "true";
                   4756: 	    $paramHash->{'allowempty'}  = "true";
                   4757: 	    $paramHash->{'variable'}   = "showallfoils";
1.555     bisitz   4758: 	    $paramHash->{'CHOICES'} = [ [&mt('Show All Foils'), "1"] ];
1.397     albertel 4759: 	    Apache::lonhelper::choices->new();
1.545     bisitz   4760:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.220     sakharuk 4761: 	}
1.219     sakharuk 4762: 
1.230     albertel 4763: 	if ($helper->{'VARS'}->{'construction'}) { 
1.505     albertel 4764: 	    my $stylevalue='$Apache::lonnet::env{"construct.style"}';
1.497     www      4765:             my $randseedtext=&mt("Use random seed");
                   4766:             my $stylefiletext=&mt("Use style file");
1.506     albertel 4767:             my $selectfiletext=&mt("Select style file");
1.497     www      4768: 
1.544     bisitz   4769: 	    my $xmlfrag .= '<message>'
                   4770:             .&Apache::lonhtmlcommon::row_title('<label for="curseed_forminput">'
                   4771:                                               .$randseedtext
                   4772:                                               .'</label>'
                   4773:              )
                   4774:             .'</message>
                   4775:             <string variable="curseed" size="15" maxlength="15">
                   4776:                 <defaultvalue>
                   4777:                    return '.$helper->{VARS}->{'curseed'}.';
                   4778:                 </defaultvalue>'
                   4779:             .'</string>'
                   4780:             .'<message>'
                   4781:             .&Apache::lonhtmlcommon::row_closure()
                   4782:             .&Apache::lonhtmlcommon::row_title('<label for="style_file">'
                   4783:                                               .$stylefiletext
                   4784:                                               .'</label>'
                   4785:              )
                   4786:             .'</message>
1.504     albertel 4787:              <string variable="style_file" size="40">
1.544     bisitz   4788:                 <defaultvalue>
                   4789:                     return '.$stylevalue.';
                   4790:                 </defaultvalue>
                   4791:              </string><message>&nbsp;'
                   4792: .qq|<a href="javascript:openbrowser('helpform','style_file_forminput','sty')">|
                   4793: .$selectfiletext.'</a>'
                   4794:             .&Apache::lonhtmlcommon::row_closure()
1.555     bisitz   4795:             .&Apache::lonhtmlcommon::row_title(&mt('Show All Foils'))
1.544     bisitz   4796:             .'</message>
1.371     foxr     4797: 	     <choices allowempty="1" multichoice="true" variable="showallfoils">
1.544     bisitz   4798:                 <choice computer="1">&nbsp;</choice>
                   4799:              </choices>'
                   4800: 	    .'<message>'
                   4801:             .&Apache::lonhtmlcommon::row_closure()
                   4802:             .'</message>';
1.230     albertel 4803:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.512     foxr     4804: 
                   4805: 
1.544     bisitz   4806:             &addMessage(&Apache::lonhtmlcommon::row_title(&mt('Problem Type')));
1.512     foxr     4807: 	    #
                   4808: 	    # Initial value from construction space:
                   4809: 	    #
                   4810: 	    if (!$helper->{VARS}->{'probstatus'} && $env{'form.problemtype'}) {
                   4811: 		$helper->{VARS}->{'probstatus'} = $env{'form.problemtype'};	# initial value
                   4812: 	    }
1.518     foxr     4813: 	    $xmlfrag = << "PROBTYPE";
                   4814: 		<dropdown variable="probstatus" multichoice="0" allowempty="0">
                   4815: 		   <defaultvalue>
                   4816: 		      return "$helper->{VARS}->{'probstatus'}";
                   4817:                    </defaultvalue>
                   4818: 		   <choice computer="problem">Homework Problem</choice>
                   4819: 		   <choice computer="exam">Exam Problem</choice>
                   4820: 		   <choice computer="survey">Survey question</choice>
1.572     raeburn  4821:                    ,choice computer="anonsurvey"Anonymous survey question</choice>
1.518     foxr     4822: 		</dropdown>
                   4823: PROBTYPE
                   4824:             &Apache::lonxml::xmlparse($r, 'helper', $xmlfrag);
1.544     bisitz   4825:             &addMessage(&Apache::lonhtmlcommon::row_closure(1));
1.512     foxr     4826: 
1.556     foxr     4827: 
                   4828: 
1.544     bisitz   4829:         }
1.223     bowersj2 4830:     }
1.264     sakharuk 4831: 
                   4832: 
                   4833: 
1.218     sakharuk 4834: 
1.223     bowersj2 4835:     if ($startedTable) {
1.544     bisitz   4836:         &addMessage(&Apache::lonhtmlcommon::end_pick_box());
1.215     sakharuk 4837:     }
1.161     bowersj2 4838: 
1.131     bowersj2 4839:     Apache::lonprintout::page_format_state->new("FORMAT");
                   4840: 
1.144     bowersj2 4841:     # Generate the PAGESIZE state which will offer the user the margin
                   4842:     # choices if they select one column
                   4843:     Apache::lonhelper::state->new("PAGESIZE", "Set Margins");
                   4844:     Apache::lonprintout::page_size_state->new('pagesize', 'FORMAT', 'FINAL');
                   4845: 
                   4846: 
1.131     bowersj2 4847:     $helper->process();
                   4848: 
1.416     foxr     4849: 
1.131     bowersj2 4850:     # MANUAL BAILOUT CONDITION:
                   4851:     # If we're in the "final" state, bailout and return to handler
                   4852:     if ($helper->{STATE} eq 'FINAL') {
                   4853:         return $helper;
                   4854:     }    
1.130     sakharuk 4855: 
1.584     raeburn  4856:     my $footer;
1.395     www      4857:     if ($helper->{STATE} eq 'START') {
1.584     raeburn  4858:         my $prtspool=$r->dir_config('lonPrtDir'); 
                   4859: 	$footer = &recently_generated($prtspool);
1.395     www      4860:     }
1.584     raeburn  4861:     $r->print($helper->display($footer));
1.333     albertel 4862:     &Apache::lonhelper::unregisterHelperTags();
1.115     bowersj2 4863: 
                   4864:     return OK;
                   4865: }
                   4866: 
1.1       www      4867: 
                   4868: 1;
1.119     bowersj2 4869: 
                   4870: package Apache::lonprintout::page_format_state;
                   4871: 
                   4872: =pod
                   4873: 
1.131     bowersj2 4874: =head1 Helper element: page_format_state
                   4875: 
                   4876: See lonhelper.pm documentation for discussion of the helper framework.
1.119     bowersj2 4877: 
1.131     bowersj2 4878: Apache::lonprintout::page_format_state is an element that gives the 
                   4879: user an opportunity to select the page layout they wish to print 
                   4880: with: Number of columns, portrait/landscape, and paper size. If you 
                   4881: want to change the paper size choices, change the @paperSize array 
                   4882: contents in this package.
1.119     bowersj2 4883: 
1.131     bowersj2 4884: page_format_state is always directly invoked in lonprintout.pm, so there
                   4885: is no tag interface. You actually pass parameters to the constructor.
1.119     bowersj2 4886: 
                   4887: =over 4
                   4888: 
1.131     bowersj2 4889: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
1.119     bowersj2 4890: 
                   4891: =back
                   4892: 
                   4893: =cut
                   4894: 
1.131     bowersj2 4895: use Apache::lonhelper;
1.119     bowersj2 4896: 
                   4897: no strict;
1.131     bowersj2 4898: @ISA = ("Apache::lonhelper::element");
1.119     bowersj2 4899: use strict;
1.266     sakharuk 4900: use Apache::lonlocal;
1.373     albertel 4901: use Apache::lonnet;
1.119     bowersj2 4902: 
                   4903: my $maxColumns = 2;
1.376     albertel 4904: # it'd be nice if these all worked
                   4905: #my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
                   4906: #                 "tabloid (ledger) [11x17 in]", "executive [7 1/2x10 in]",
                   4907: #                 "a2 [420x594 mm]", "a3 [297x420 mm]", "a4 [210x297 mm]", 
                   4908: #                 "a5 [148x210 mm]", "a6 [105x148 mm]" );
1.326     sakharuk 4909: my @paperSize = ("letter [8 1/2x11 in]", "legal [8 1/2x14 in]", 
1.376     albertel 4910: 		 "a4 [210x297 mm]");
1.119     bowersj2 4911: 
                   4912: # Tentative format: Orientation (L = Landscape, P = portrait) | Colnum |
                   4913: #                   Paper type
                   4914: 
                   4915: sub new { 
1.131     bowersj2 4916:     my $self = Apache::lonhelper::element->new();
1.119     bowersj2 4917: 
1.135     bowersj2 4918:     shift;
                   4919: 
1.131     bowersj2 4920:     $self->{'variable'} = shift;
1.134     bowersj2 4921:     my $helper = Apache::lonhelper::getHelper();
1.135     bowersj2 4922:     $helper->declareVar($self->{'variable'});
1.131     bowersj2 4923:     bless($self);
1.119     bowersj2 4924:     return $self;
                   4925: }
                   4926: 
                   4927: sub render {
                   4928:     my $self = shift;
1.131     bowersj2 4929:     my $helper = Apache::lonhelper::getHelper();
1.119     bowersj2 4930:     my $result = '';
1.131     bowersj2 4931:     my $var = $self->{'variable'};
1.266     sakharuk 4932:     my $PageLayout=&mt('Page layout');
                   4933:     my $NumberOfColumns=&mt('Number of columns');
                   4934:     my $PaperType=&mt('Paper type');
1.506     albertel 4935:     my $landscape=&mt('Landscape');
                   4936:     my $portrait=&mt('Portrait');
1.539     onken    4937:     my $pdfFormLabel=&mt('PDF-Formfields');
                   4938:     my $with=&mt('with Formfields');
                   4939:     my $without=&mt('without Formfields');
1.556     foxr     4940:     
                   4941: 
1.544     bisitz   4942:     $result.='<h3>'.&mt('Layout Options').'</h3>'
                   4943:             .&Apache::loncommon::start_data_table()
                   4944:             .&Apache::loncommon::start_data_table_header_row()
                   4945:             .'<th>'.$PageLayout.'</th>'
                   4946:             .'<th>'.$NumberOfColumns.'</th>'
                   4947:             .'<th>'.$PaperType.'</th>'
                   4948:             .'<th>'.$pdfFormLabel.'</th>'
                   4949:             .&Apache::loncommon::end_data_table_header_row()
                   4950:             .&Apache::loncommon::start_data_table_row()
                   4951:     .'<td>'
                   4952:     .'<label><input type="radio" name="'.${var}.'.layout" value="L" />'.$landscape.'</label><br />'
                   4953:     .'<label><input type="radio" name="'.${var}.'.layout" value="P" checked="checked" />'.$portrait.'</label>'
                   4954:     .'</td>';
1.119     bowersj2 4955: 
1.544     bisitz   4956:     $result.='<td align="center">'
                   4957:             .'<select name="'.${var}.'.cols">';
1.119     bowersj2 4958: 
                   4959:     my $i;
                   4960:     for ($i = 1; $i <= $maxColumns; $i++) {
1.144     bowersj2 4961:         if ($i == 2) {
1.553     bisitz   4962:             $result .= '<option value="'.$i.'" selected="selected">'.$i.'</option>'."\n";
1.119     bowersj2 4963:         } else {
1.553     bisitz   4964:             $result .= '<option value="'.$i.'">'.$i.'</option>'."\n";
1.119     bowersj2 4965:         }
                   4966:     }
                   4967: 
                   4968:     $result .= "</select></td><td>\n";
                   4969:     $result .= "<select name='${var}.paper'>\n";
                   4970: 
1.373     albertel 4971:     my %parmhash=&Apache::lonnet::coursedescription($env{'request.course.id'});
1.398     albertel 4972:     my $DefaultPaperSize=lc($parmhash{'default_paper_size'});
                   4973:     $DefaultPaperSize=~s/\s//g;
1.304     sakharuk 4974:     if ($DefaultPaperSize eq '') {$DefaultPaperSize='letter';}
1.119     bowersj2 4975:     $i = 0;
                   4976:     foreach (@paperSize) {
1.326     sakharuk 4977: 	$_=~/(\w+)/;
                   4978: 	my $papersize=$1;
1.304     sakharuk 4979:         if ($paperSize[$i]=~/$DefaultPaperSize/) {
1.553     bisitz   4980:             $result .= '<option selected="selected" value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4981:         } else {
1.553     bisitz   4982:             $result .= '<option value="'.$papersize.'">'.$paperSize[$i].'</option>'."\n";
1.119     bowersj2 4983:         }
                   4984:         $i++;
                   4985:     }
1.539     onken    4986:     $result .= <<HTML;
                   4987:         </select>
                   4988:     </td>
                   4989:     <td align='center'>
                   4990:         <select name='${var}.pdfFormFields'>
1.553     bisitz   4991:             <option selected="selected" value="no">$without</option>
                   4992:             <option value="yes">$with</option>
1.539     onken    4993:         </select>
                   4994:     </td>
                   4995: HTML
1.544     bisitz   4996:     $result.=&Apache::loncommon::end_data_table_row()
                   4997:             .&Apache::loncommon::end_data_table();
1.539     onken    4998: 
1.119     bowersj2 4999:     return $result;
1.135     bowersj2 5000: }
                   5001: 
                   5002: sub postprocess {
                   5003:     my $self = shift;
                   5004: 
                   5005:     my $var = $self->{'variable'};
1.136     bowersj2 5006:     my $helper = Apache::lonhelper->getHelper();
1.135     bowersj2 5007:     $helper->{VARS}->{$var} = 
1.373     albertel 5008:         $env{"form.$var.layout"} . '|' . $env{"form.$var.cols"} . '|' .
1.539     onken    5009:         $env{"form.$var.paper"} . '|' . $env{"form.$var.pdfFormFields"};
1.135     bowersj2 5010:     return 1;
1.119     bowersj2 5011: }
                   5012: 
                   5013: 1;
1.144     bowersj2 5014: 
                   5015: package Apache::lonprintout::page_size_state;
                   5016: 
                   5017: =pod
                   5018: 
                   5019: =head1 Helper element: page_size_state
                   5020: 
                   5021: See lonhelper.pm documentation for discussion of the helper framework.
                   5022: 
                   5023: Apache::lonprintout::page_size_state is an element that gives the 
                   5024: user the opportunity to further refine the page settings if they
                   5025: select a single-column page.
                   5026: 
                   5027: page_size_state is always directly invoked in lonprintout.pm, so there
                   5028: is no tag interface. You actually pass parameters to the constructor.
                   5029: 
                   5030: =over 4
                   5031: 
                   5032: =item * B<new>(varName): varName is where the print information will be stored in the format FIXME.
                   5033: 
                   5034: =back
                   5035: 
                   5036: =cut
                   5037: 
                   5038: use Apache::lonhelper;
1.373     albertel 5039: use Apache::lonnet;
1.144     bowersj2 5040: no strict;
                   5041: @ISA = ("Apache::lonhelper::element");
                   5042: use strict;
                   5043: 
                   5044: 
                   5045: 
                   5046: sub new { 
                   5047:     my $self = Apache::lonhelper::element->new();
                   5048: 
                   5049:     shift; # disturbs me (probably prevents subclassing) but works (drops
                   5050:            # package descriptor)... - Jeremy
                   5051: 
                   5052:     $self->{'variable'} = shift;
                   5053:     my $helper = Apache::lonhelper::getHelper();
                   5054:     $helper->declareVar($self->{'variable'});
                   5055: 
                   5056:     # The variable name of the format element, so we can look into 
                   5057:     # $helper->{VARS} to figure out whether the columns are one or two
                   5058:     $self->{'formatvar'} = shift;
                   5059: 
1.463     foxr     5060: 
1.144     bowersj2 5061:     $self->{NEXTSTATE} = shift;
                   5062:     bless($self);
1.467     foxr     5063: 
1.144     bowersj2 5064:     return $self;
                   5065: }
                   5066: 
                   5067: sub render {
                   5068:     my $self = shift;
                   5069:     my $helper = Apache::lonhelper::getHelper();
                   5070:     my $result = '';
                   5071:     my $var = $self->{'variable'};
                   5072: 
1.467     foxr     5073: 
                   5074: 
1.144     bowersj2 5075:     if (defined $self->{ERROR_MSG}) {
1.464     albertel 5076:         $result .= '<br /><span class="LC_error">' . $self->{ERROR_MSG} . '</span><br />';
1.144     bowersj2 5077:     }
                   5078: 
1.438     foxr     5079:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.463     foxr     5080: 
                   5081:     # Use format to get sensible defaults for the margins:
                   5082: 
                   5083: 
                   5084:     my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5085:     ($papersize)                      = split(/ /, $papersize);
                   5086: 
1.559     foxr     5087:     $laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.463     foxr     5088: 
                   5089: 
                   5090: 
1.464     albertel 5091:     my %size;
                   5092:     ($size{'width_and_units'},
                   5093:      $size{'height_and_units'},
                   5094:      $size{'margin_and_units'})=
                   5095: 	 &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
1.463     foxr     5096:     
1.464     albertel 5097:     foreach my $dimension ('width','height','margin') {
                   5098: 	($size{$dimension},$size{$dimension.'_unit'}) =
                   5099: 	    split(/ +/, $size{$dimension.'_and_units'},2);
                   5100:        	
                   5101: 	foreach my $unit ('cm','in') {
                   5102: 	    $size{$dimension.'_options'} .= '<option ';
                   5103: 	    if ($size{$dimension.'_unit'} eq $unit) {
                   5104: 		$size{$dimension.'_options'} .= 'selected="selected" ';
                   5105: 	    }
                   5106: 	    $size{$dimension.'_options'} .= '>'.$unit.'</option>';
                   5107: 	}
1.438     foxr     5108:     }
                   5109: 
1.470     foxr     5110:     # Adjust margin for LaTeX margin: .. requires units == cm or in.
                   5111: 
                   5112:     if ($size{'margin_unit'} eq 'in') {
                   5113: 	$size{'margin'} += 1;
                   5114:     }  else {
                   5115: 	$size{'margin'} += 2.54;
                   5116:     }
1.548     bisitz   5117:     my %lt = &Apache::lonlocal::texthash(
                   5118:         'format' => 'How should each column be formatted?',
                   5119:         'width'  => 'Width',
                   5120:         'height' => 'Height',
                   5121:         'margin' => 'Left Margin'
                   5122:     );
                   5123: 
                   5124:     $result .= '<p>'.$lt{'format'}.'</p>'
                   5125:               .&Apache::lonhtmlcommon::start_pick_box()
                   5126:               .&Apache::lonhtmlcommon::row_title($lt{'width'})
                   5127:               .'<input type="text" name="'.$var.'.width" value="'.$size{'width'}.'" size="4" />'
                   5128:               .'<select name="'.$var.'.widthunit">'
                   5129:               .$size{'width_options'}
                   5130:               .'</select>'
                   5131:               .&Apache::lonhtmlcommon::row_closure()
                   5132:               .&Apache::lonhtmlcommon::row_title($lt{'height'})
                   5133:               .'<input type="text" name="'.$var.'.height" value="'.$size{'height'}.'" size="4" />'
                   5134:               .'<select name="'.$var.'.heightunit">'
                   5135:               .$size{'height_options'}
                   5136:               .'</select>'
                   5137:               .&Apache::lonhtmlcommon::row_closure()
                   5138:               .&Apache::lonhtmlcommon::row_title($lt{'margin'})
                   5139:               .'<input type="text" name="'.$var.'.lmargin" value="'.$size{'margin'}.'" size="4" />'
                   5140:               .'<select name="'.$var.'.lmarginunit">'
                   5141:               .$size{'margin_options'}
                   5142:               .'</select>'
                   5143:               .&Apache::lonhtmlcommon::row_closure(1)
                   5144:               .&Apache::lonhtmlcommon::end_pick_box();
                   5145:     # <p>Hint: Some instructors like to leave scratch space for the student by
                   5146:     # making the width much smaller than the width of the page.</p>
1.144     bowersj2 5147: 
                   5148:     return $result;
                   5149: }
                   5150: 
1.470     foxr     5151: 
1.144     bowersj2 5152: sub preprocess {
                   5153:     my $self = shift;
                   5154:     my $helper = Apache::lonhelper::getHelper();
                   5155: 
                   5156:     my $format = $helper->{VARS}->{$self->{'formatvar'}};
1.467     foxr     5157: 
                   5158:     #  If the user does not have 'pav' privilege, set default widths and
                   5159:     #  on to the next state right away.
                   5160:     #
                   5161:     if (!$perm{'pav'}) {
                   5162: 	my $var = $self->{'variable'};
                   5163: 	my $format = $helper->{VARS}->{$self->{'formatvar'}};
                   5164: 	
                   5165: 	my ($laystyle, $cols, $papersize) = split(/\|/, $format);
                   5166: 	($papersize)                      = split(/ /, $papersize);
                   5167: 	
                   5168: 	
1.560     foxr     5169: 	$laystyle = &Apache::lonprintout::map_laystyle($laystyle);
1.559     foxr     5170: 
1.467     foxr     5171: 	#  Figure out some good defaults for the print out and set them:
                   5172: 	
                   5173: 	my %size;
                   5174: 	($size{'width'},
                   5175: 	 $size{'height'},
                   5176: 	 $size{'lmargin'})=
                   5177: 	     &Apache::lonprintout::page_format($papersize, $laystyle, $cols);
                   5178: 	
                   5179: 	foreach my $dim ('width', 'height', 'lmargin') {
                   5180: 	    my ($value, $units) = split(/ /, $size{$dim});
1.470     foxr     5181: 	    	    
1.467     foxr     5182: 	    $helper->{VARS}->{"$var.".$dim}      = $value;
                   5183: 	    $helper->{VARS}->{"$var.".$dim.'unit'} = $units;
                   5184: 	    
                   5185: 	}
                   5186: 	
                   5187: 
                   5188: 	# Transition to the next state
                   5189: 
                   5190: 	$helper->changeState($self->{NEXTSTATE});
                   5191:     }
1.144     bowersj2 5192:    
                   5193:     return 1;
                   5194: }
                   5195: 
                   5196: sub postprocess {
                   5197:     my $self = shift;
                   5198: 
                   5199:     my $var = $self->{'variable'};
                   5200:     my $helper = Apache::lonhelper->getHelper();
1.373     albertel 5201:     my $width = $helper->{VARS}->{$var .'.width'} = $env{"form.${var}.width"}; 
                   5202:     my $height = $helper->{VARS}->{$var .'.height'} = $env{"form.${var}.height"}; 
                   5203:     my $lmargin = $helper->{VARS}->{$var .'.lmargin'} = $env{"form.${var}.lmargin"}; 
                   5204:     $helper->{VARS}->{$var .'.widthunit'} = $env{"form.${var}.widthunit"}; 
                   5205:     $helper->{VARS}->{$var .'.heightunit'} = $env{"form.${var}.heightunit"}; 
                   5206:     $helper->{VARS}->{$var .'.lmarginunit'} = $env{"form.${var}.lmarginunit"}; 
1.144     bowersj2 5207: 
                   5208:     my $error = '';
                   5209: 
                   5210:     # /^-?[0-9]+(\.[0-9]*)?$/ -> optional minus, at least on digit, followed 
                   5211:     # by an optional period, followed by digits, ending the string
                   5212: 
1.464     albertel 5213:     if ($width !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5214:         $error .= "Invalid width; please type only a number.<br />\n";
                   5215:     }
1.464     albertel 5216:     if ($height !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5217:         $error .= "Invalid height; please type only a number.<br />\n";
                   5218:     }
1.464     albertel 5219:     if ($lmargin !~  /^-?[0-9]*(\.[0-9]*)?$/) {
1.144     bowersj2 5220:         $error .= "Invalid left margin; please type only a number.<br />\n";
1.470     foxr     5221:     } else {
                   5222: 	# Adjust for LaTeX 1.0 inch margin:
                   5223: 
                   5224: 	if ($env{"form.${var}.lmarginunit"} eq "in") {
                   5225: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 1;
                   5226: 	} else {
                   5227: 	    $helper->{VARS}->{$var.'.lmargin'} = $lmargin - 2.54;
                   5228: 	}
1.144     bowersj2 5229:     }
                   5230: 
                   5231:     if (!$error) {
                   5232:         Apache::lonhelper::getHelper()->changeState($self->{NEXTSTATE});
                   5233:         return 1;
                   5234:     } else {
                   5235:         $self->{ERROR_MSG} = $error;
                   5236:         return 0;
                   5237:     }
                   5238: }
                   5239: 
1.1       www      5240: __END__
1.6       sakharuk 5241: 

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