File:  [LON-CAPA] / loncom / interface / courseprefs.pm
Revision 1.86: download - view: text, annotated - select for diffs
Wed Jan 3 04:20:54 2018 UTC (6 years, 5 months ago) by raeburn
Branches: MAIN
CVS tags: HEAD
- Bug 6754 LON-CAPA as LTI Consumer
 - If a course has an External Tool (LTI) in Supplemental Content, then
   LON-CAPA 2.12 is needed.

    1: # The LearningOnline Network with CAPA
    2: # Handler to set configuration settings for a course
    3: #
    4: # $Id: courseprefs.pm,v 1.86 2018/01/03 04:20:54 raeburn Exp $
    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: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: #
   28: ###############################################################
   29: ##############################################################
   30: 
   31: =pod
   32: 
   33: =head1 NAME
   34: 
   35: courseprefs- Handler to set/modify course configuration
   36: 
   37: =head1 SYNOPSIS
   38: 
   39: courseprefs provides an interface for setting general course configuration
   40: 
   41: =head1 DESCRIPTION
   42: 
   43: This module is used for configuration of a course
   44: 
   45: =head1 INTERNAL SUBROUTINES
   46: 
   47: =over
   48: 
   49: =item get_allitems()
   50: 
   51: =item print_config_box()
   52: 
   53: =item process_changes()
   54: 
   55: =item get_sec_str()
   56: 
   57: =item check_clone()
   58: 
   59: =item store_changes()
   60: 
   61: =item update_env()
   62: 
   63: =item display_disallowed()
   64: 
   65: =item get_course()
   66: 
   67: =item get_jscript()
   68: 
   69: =item cloners_javascript()
   70: 
   71: =item print_courseinfo()
   72: 
   73: =item new_cloners_dom_row()
   74: 
   75: =item can_modify_catsettings()
   76: 
   77: =item assign_course_categories()
   78: 
   79: =item print_localization()
   80: 
   81: =item get_lang_choices()
   82: 
   83: =item print_feedback()
   84: 
   85: =item user_table()
   86: 
   87: =item select_recipient()
   88: 
   89: =item select_sections()
   90: 
   91: =item print_discussion()
   92: 
   93: =item role_checkboxes()
   94: 
   95: =item print_classlists()
   96: 
   97: =item print_appearance()
   98: 
   99: =item print_grading()
  100: 
  101: =item print_printouts()
  102: 
  103: =item print_spreadsheet()
  104: 
  105: =item print_bridgetasks()
  106: 
  107: =item print_other()
  108: 
  109: =item get_other_items()
  110: 
  111: =item item_table_row_start()
  112: 
  113: =item item_table_row_end()
  114: 
  115: =item yes_no_radio()
  116: 
  117: =item select_from_options()
  118: 
  119: =item make_item_rows()
  120: 
  121: Creates table used to display and set course configuration items.
  122: 
  123: Inputs: $cdom,$items,$ordered,$settings,$rowtotal,$crstype
  124: where $cdom is course's domain, $items is HASH ref for current config
  125: item, $ordered is ARRAY ref of items to include in row in 
  126: display order, $settings is HASH ref of current values forrow,
  127: $rowtotal is SCALAR ref used to accumulate row count, $crstype is    
  128: course type.
  129: 
  130: Returns: $datatable
  131: HTML mark-up of data table which accumulates individual rows.  
  132: 
  133: =item nothidepriv_row()
  134: 
  135: Creates row containing form elements used to display and set
  136: whether Domain coordinators who are currently included in  
  137: advanced course user .db file for a course are to be hidden (e.g.,
  138: in syllabus, or from course user lists).
  139: 
  140: Inputs: $cdom,$item,$settings,$crstype,$noedit
  141: where $cdom is course domain, item is nothideprivileged, $settings is
  142: HASH ref of the current values for nothideprivileged, $crstype is 
  143: course type (Course or Community). 
  144: 
  145: Return: $datatable
  146: HTML mark-up for Privileged users (Domain Coordinators) in staff listing.
  147: 
  148: =item print_hdrfmt_row()
  149: 
  150: Creates row containing form elements used to display and set
  151: substitution items and text to be used in the header included
  152: on printouts.
  153: 
  154: Inputs: $item,$settings
  155: where $item is print_header_format, and $settings is a HASH ref
  156: of the current values stored for print_header_format.
  157: 
  158: Returns: $output
  159: HTML mark-up containing Javascript functions: reOrder() and getIndexByName()
  160: used to dynamically update position selectboxes, and HTML table elements
  161: for the "Print header format" row.
  162: 
  163: =item position_selector()
  164: 
  165: Creates a select box which can be used to reorder substitutions
  166: and text included in a printout header. 
  167: 
  168: Inputs: $pos,$num,$maxnum
  169: where $pos is current position, $num is the unique identifier,
  170: and $maxnum is the total number of items (both substitutions
  171: and text in the printout header.
  172: 
  173: Returns: $output
  174: HTML mark-up for the selectbox and a hidden form element containing 
  175: the current position.   
  176: 
  177: =item substitution_selector()
  178: 
  179: Creates a combination of select box for choosing an item 
  180: (student name, course ID or assignment note) to substitute, 
  181: and a corresponding size limit in the header used for printouts.
  182: 
  183: Inputs: $num,$subst,$limit,$crstype
  184: where $num is the unique identifier, $subst is the current 
  185: substitution (n,c or a, for name, course or note respectively,
  186: $limit is the current size limit (integer), and $crstype is
  187: course type - course or community.
  188: 
  189: Returns: $output
  190: HTML mark-up for selectbox and textbox (separate table cells).  
  191: 
  192: =item change_clone()
  193: 
  194: Modifies the list of courses a user can clone (stored
  195: in the user's environment.db file), called when a
  196: change is made to the list of users allowed to clone
  197: a course.
  198: 
  199: Inputs: $action,$cloner
  200: where $action is add or drop, and $cloner is identity of
  201: user for whom cloning ability is to be changed in course.
  202: 
  203: Returns: nothing
  204: 
  205: =back
  206: 
  207: =cut
  208: 
  209: 
  210: package Apache::courseprefs;
  211: 
  212: use strict;
  213: use Apache::Constants qw(:common :http);
  214: use Apache::lonnet;
  215: use Apache::loncommon();
  216: use Apache::lonhtmlcommon();
  217: use Apache::lonconfigsettings;
  218: use Apache::lonrelrequtils;
  219: use Apache::lonparmset;
  220: use Apache::courseclassifier;
  221: use Apache::lonlocal;
  222: use LONCAPA qw(:DEFAULT :match);
  223: 
  224: my $registered_cleanup;
  225: my $modified_courses;
  226: 
  227: sub handler {
  228:     my $r=shift;
  229:     if ($r->header_only) {
  230:         &Apache::loncommon::content_type($r,'text/html');
  231:         $r->send_http_header;
  232:         return OK;
  233:     }
  234:     my $context = 'course';
  235:     my $cid = $env{'request.course.id'};
  236:     my ($cnum,$cdom,$chome) = &get_course($cid);
  237:     my $crstype = &Apache::loncommon::course_type();
  238:     my ($parm_permission,$allowed) = &get_permission($cid);
  239:     my $navmap = Apache::lonnavmaps::navmap->new();
  240:     if ($allowed && $navmap) {
  241:         &Apache::loncommon::content_type($r,'text/html');
  242:         $r->send_http_header;
  243:     } else {
  244:         if ($navmap) {
  245:             if ($crstype eq 'Community') {
  246:                 $env{'user.error.msg'}=
  247:                     "/adm/courseprefs:opa:0:0:Cannot modify community settings";
  248:             } else {
  249:                 $env{'user.error.msg'}=
  250:                     "/adm/courseprefs:opa:0:0:Cannot modify course settings";
  251:             }
  252:         } else {
  253:             if ($crstype eq 'Community') {
  254:                 $env{'user.error.msg'}=
  255:                     "/adm/courseprefs::0:1:Course environment gone, reinitialize the community";
  256:             } else {
  257:                 $env{'user.error.msg'}=
  258:                     "/adm/courseprefs::0:1:Course environment gone, reinitialize the course";
  259: 
  260:             }
  261:         }
  262:         return HTTP_NOT_ACCEPTABLE;
  263:     }
  264: 
  265:     $registered_cleanup=0;
  266:     @{$modified_courses}=();
  267: 
  268:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
  269:                                             ['phase','actions','origin']);
  270:     &Apache::lonhtmlcommon::clear_breadcrumbs();
  271:     if ($env{'form.origin'} eq 'params') {
  272:         &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
  273:                                                 text=>"Parameter Manager"});
  274:     }
  275:     my ($brtext,$brtitle,$crsinfotext,$crsinfodesc,$crscateg,$crshide);
  276:     my %lt;
  277:     if ($crstype eq 'Community') {
  278:         %lt = (
  279:                 conf => 'Community Settings',
  280:                 edit => 'Edit Community Settings',
  281:                 gens => 'General community settings',
  282:                 idnu => 'Community ID or number',
  283:                 unco => 'Unique code',
  284:                 desc => 'Community Description',
  285:                 ownr => 'Community Owner',
  286:                 cown => 'Community Co-owners',
  287:                 catg => 'Categorize community',
  288:                 excc => 'Exclude from community catalog',
  289:                 clon => 'Users allowed to clone community',
  290:                 rept => 'Replacement titles for standard community roles',
  291:                 time => 'Timezone where the community is located',
  292:                 date => 'Locale used for community calendar',
  293:                 coco => 'Community Content',
  294:                 copo => 'Community Policy',
  295:                 priv => 'Domain Coordinators in community',
  296:                 defd => 'Default dates for member access',
  297:                 stuv => 'Member-viewable membership list options',
  298:                 stul => 'Member agreement needed to be listed',
  299:                 clas => 'Membership and facilitator listing',
  300:                 prus => 'Privileged users (Domain Coordinators) in facilitator listing',
  301:                 defc => 'Default Community Spreadsheet',
  302:                 defs => 'Default User Spreadsheet',
  303:                 seme => 'Send message to member when clicking Done on Tasks'
  304:               );
  305:     } else {
  306:         %lt = (
  307:                 conf => 'Course Settings',
  308:                 edit => 'Edit Course Settings',
  309:                 gens => 'General course settings',
  310:                 idnu => 'Course ID or number',
  311:                 unco => 'Unique code',
  312:                 desc => 'Course Description',
  313:                 cred => 'Student credits', 
  314:                 ownr => 'Course Owner',
  315:                 cown => 'Course Co-owners',
  316:                 catg => 'Categorize course',
  317:                 excc => 'Exclude from course catalog',
  318:                 clon => 'Users allowed to clone course',
  319:                 rept => 'Replacement titles for standard course roles',
  320:                 time => 'Timezone in which the course takes place',
  321:                 date => 'Locale used for course calendar',
  322:                 coco => 'Course Content',
  323:                 copo => 'Course Policy',
  324:                 priv => 'Domain Coordinators in course',
  325:                 defd => 'Default dates for student access',
  326:                 stuv => 'Student-viewable classlist options',
  327:                 stul => 'Student agreement needed to be listed',
  328:                 clas => 'Classlists and staff listing',
  329:                 prus => 'Privileged users (Domain Coordinators) in staff listing',
  330:                 prdo => "Domains to check for privileged users (besides course's domain)",
  331:                 defc => 'Default Course Spreadsheet',
  332:                 defs => 'Default Student Spreadsheet',
  333:                 seme => 'Send message to student when clicking Done on Tasks',
  334:               );
  335:     }
  336:     $lt{'lcrv'} = 'Required LON-CAPA version';
  337:     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/courseprefs',
  338:         text=>$lt{'conf'}});
  339:     my $breadcrumbs =
  340:         &Apache::lonhtmlcommon::breadcrumbs($lt{'edit'});
  341: 
  342:     my $phase = 'pickactions';
  343:     if ( exists($env{'form.phase'}) ) {
  344:         $phase = $env{'form.phase'};
  345:     }
  346: 
  347:     if (($phase eq 'categorizecourse') && ($parm_permission->{'categorizecourse'})) {
  348:         &assign_course_categories($r,$crstype);
  349:         return OK;
  350:     }
  351: 
  352:     if (($phase eq 'releaseinfo') && ($parm_permission->{'releaseinfo'})) {
  353:         my $loncaparev = $env{'course.'.$cid.'.internal.releaserequired'};
  354:         if ($loncaparev) { 
  355:             if (&display_loncaparev_constraints($r,$navmap,$loncaparev,$crstype)) {
  356:                 push(@{$modified_courses},[$cdom,$cnum,$chome,$crstype]);
  357:                 unless ($registered_cleanup) {
  358:                     my $handlers = $r->get_handlers('PerlCleanupHandler');
  359:                     $r->set_handlers('PerlCleanupHandler' => [\&update_releasereq,@{$handlers}]);
  360:                     $registered_cleanup=1;
  361:                 }
  362:             }
  363:             return OK;
  364:         }
  365:     }
  366: 
  367:     my %values=&Apache::lonnet::dump('environment',$cdom,$cnum);
  368:     my @prefs_order = ('courseinfo','localization','feedback','discussion',
  369:                        'classlists','appearance','grading','printouts',
  370:                        'spreadsheet','bridgetasks','other');
  371: 
  372:     my %prefs = (
  373:         'courseinfo' =>
  374:                    { text => $lt{'gens'},
  375:                      help => 'Course_Prefs_General',
  376:                      ordered => ['owner','co-owners','loncaparev','description',
  377:                                  'clonedfrom','courseid','uniquecode','categories',
  378:                                  'hidefromcat','externalsyllabus','cloners','url',
  379:                                  'rolenames'],
  380:                      itemtext => {
  381:                                    'owner'            => $lt{'ownr'},
  382:                                    'co-owners'        => $lt{'cown'},
  383:                                    'description'      => $lt{'desc'},
  384:                                    'courseid'         => $lt{'idnu'},
  385:                                    'uniquecode'       => $lt{'unco'},
  386:                                    'categories'       => $lt{'catg'},
  387:                                    'hidefromcat'      => $lt{'excc'},
  388:                                    'cloners'          => $lt{'clon'}, 
  389:                                    'externalsyllabus' => 'Syllabus status',
  390:                                    'url'              => 'Top Level Map',
  391:                                    'rolenames'        => $lt{'rept'},
  392:                                    'loncaparev'       => $lt{'lcrv'},
  393:                                    'clonedfrom'       => 'Cloned from',
  394:                                  },
  395:                     },
  396:         'localization' =>
  397:                     { text => 'Language and time localization',
  398:                       help => 'Course_Prefs_Language',
  399:                       ordered => ['languages','timezone','datelocale'],
  400:                       itemtext => {
  401:                                     languages  => 'Languages used',
  402:                                     timezone   => $lt{'time'}, 
  403:                                     datelocale => $lt{'date'},
  404:                                   },
  405:                     },
  406:         'feedback' =>
  407:                     { text => 'Feedback messages',
  408:                       help => 'Course_Prefs_Feedback',
  409:                       header => [{col1 => 'Questions about:',
  410:                                   col2 => 'Recipients'}],
  411:                       ordered => ['question.email','comment.email','policy.email'],
  412:                       itemtext => {
  413:                                      'question.email' => 'Resource Content',
  414:                                      'comment.email'  => $lt{'coco'},
  415:                                      'policy.email'   => $lt{'copo'},
  416:                                   },
  417:                     },
  418:         'discussion' =>
  419:                     { text => 'Discussion and Chat',
  420:                       help => 'Course_Prefs_Discussions',
  421:                       ordered => ['pch.roles.denied','pch.users.denied',
  422:                                   'pac.roles.denied','pac.users.denied',
  423:                                   'plc.roles.denied','plc.users.denied',
  424:                                   'allow_limited_html_in_feedback',
  425:                                   'allow_discussion_post_editing',
  426:                                   'discussion_post_fonts'],
  427:                       itemtext => {
  428:                          'pch.roles.denied'             => 'No Resource Discussion',
  429:                          'pch.users.denied'             => 'No Resource Discussion',
  430:                          'plc.roles.denied'             => 'No Chat room use',
  431:                          'plc.users.denied'             => 'No Chat room use',
  432:                          'pac.roles.denied'             => 'No Anonymous Resource Discussion',
  433:                          'pac.users.denied'             => 'No Anonymous Resource Discussion',  
  434:                          allow_limited_html_in_feedback => 'Allow limited HTML in discussion',
  435:                          allow_discussion_post_editing  => 'Users can edit/delete own discussion posts',
  436:                          discussion_post_fonts          => 'Discussion post fonts based on likes/unlikes',
  437:                                   },
  438:                     },
  439:         'classlists' =>
  440:                    { text => $lt{'clas'},
  441:                      help => 'Course_Prefs_Classlists',
  442:                      header => [{col1 => 'Type',
  443:                                  col2 => $lt{'defd'}},
  444:                                 {col1 => 'Setting',
  445:                                  col2 => $lt{'priv'}},
  446:                                 {col1 => 'Setting',
  447:                                  col2 => $lt{'stuv'}}],
  448:                      ordered => ['default_enrollment_start_date',
  449:                                  'default_enrollment_end_date',
  450:                                  'defaultcredits',
  451:                                  'nothideprivileged','checkforpriv',
  452:                                  'student_classlist_view',
  453:                                  'student_classlist_opt_in','student_classlist_portfiles'],
  454:                      itemtext => {
  455:                          default_enrollment_start_date => 'Start date',
  456:                          default_enrollment_end_date   => 'End date',
  457:                          nothideprivileged             => $lt{'prus'},
  458:                          checkforpriv                  => $lt{'prdo'},
  459:                          student_classlist_view        => $lt{'stuv'},
  460:                          student_classlist_opt_in      => $lt{'stul'},
  461:                          student_classlist_portfiles   => 'Include link to accessible portfolio files',
  462:                          defaultcredits                => $lt{'cred'},
  463:                                   },
  464:                    },
  465:         'appearance' =>
  466:                    { text => 'Display of resources ',
  467:                      help => 'Course_Prefs_Display',
  468:                      ordered => ['default_xml_style','pageseparators',
  469:                                  'disable_receipt_display','texengine',
  470:                                  'tthoptions','uselcmath','usejsme'],
  471:                       itemtext => {
  472:                           default_xml_style       => 'Default XML style file',
  473:                           pageseparators          => 'Visibly Separate Items on Pages',
  474:                           disable_receipt_display => 'Disable display of problem receipts',
  475:                           texengine               => 'Force use of a specific math rendering engine',
  476:                           tthoptions              => 'Default set of options to pass to tth/m when converting TeX',
  477:                           uselcmath               => 'Student formula entry uses inline preview, not DragMath pop-up',
  478:                           usejsme                 => 'Molecule editor uses JSME (HTML5) in place of JME (Java)',
  479:                                   },
  480:                   },
  481:         'grading' =>
  482:                   { text => 'Grading',
  483:                     help => 'Course_Prefs_Grading',
  484:                     ordered => ['grading','rndseed',
  485:                                 'receiptalg','disablesigfigs'],
  486:                     itemtext => {
  487:                         grading        => 'Grading',
  488:                         rndseed        => 'Randomization algorithm used',
  489:                         receiptalg     => 'Receipt algorithm used',
  490:                         disablesigfigs => 'Disable checking of Significant Figures',
  491:                                 },
  492: 
  493:                   },
  494:         'printouts' =>
  495:                   { text => 'Printout generation',
  496:                     help => 'Course_Prefs_Printouts',
  497:                     ordered => ['problem_stream_switch','suppress_tries',
  498:                                 'default_paper_size','print_header_format',
  499:                                 'disableexampointprint','canuse_pdfforms'],
  500:                     itemtext => {
  501:                         problem_stream_switch => 'Allow problems to be split over pages',
  502:                         suppress_tries        => 'Suppress number of tries in printing',
  503:                         default_paper_size    => 'Default paper type',
  504:                         print_header_format   => 'Print header format',
  505:                         disableexampointprint => 'Disable automatically printing point values on bubblesheet exams',
  506:                         canuse_pdfforms    => 'Users can print problems as PDF forms and upload later for grading',
  507:                                 },
  508:                   },
  509:         'spreadsheet' =>
  510:                   { text => 'Spreadsheets',
  511:                     help => 'Course_Prefs_Spreadsheet',
  512:                     ordered => ['spreadsheet_default_classcalc',
  513:                                 'spreadsheet_default_studentcalc',
  514:                                 'spreadsheet_default_assesscalc','hideemptyrows'],
  515:                     itemtext => {
  516:                                   spreadsheet_default_classcalc   => $lt{'defc'},
  517:                                   spreadsheet_default_studentcalc => $lt{'defs'},
  518:                                   spreadsheet_default_assesscalc  => 'Default Assessment Spreadsheet',
  519:                                   hideemptyrows                   => 'Hide Empty Rows in Spreadsheets',
  520:                                 },
  521:                   },
  522:         'bridgetasks' =>
  523:                   { text => 'Bridge tasks',
  524:                     help => 'Course_Prefs_Bridgetasks',
  525:                     ordered => ['task_messages','task_grading',
  526:                                 'suppress_embed_prompt'],
  527:                     itemtext => {
  528:                         task_messages         => $lt{'seme'},
  529:                         task_grading          => 'Bridge Task grading by instructors and TAs in sections' ,
  530:                         suppress_embed_prompt => 'Hide upload references prompt if uploading file to portfolio',
  531:                                 },
  532:                   },
  533:         'other' =>
  534:                   { text => 'Other settings',
  535:                     help => 'Course_Prefs_Other',
  536:                     header => [ {col1 => 'Item',
  537:                                  col2 => 'Value',
  538:                               }],
  539:                   },
  540:     );
  541:     if (($phase eq 'process') && ($parm_permission->{'process'})) {
  542:         my @allitems = &get_allitems(%prefs);
  543:         &Apache::lonconfigsettings::make_changes($r,$cdom,$phase,$context,
  544:                                                  \@prefs_order,\%prefs,\%values,
  545:                                                   $cnum,undef,\@allitems,
  546:                                                   'coursepref',$parm_permission);
  547:     } elsif (($phase eq 'display') && ($parm_permission->{'display'})) {
  548:         my $jscript = &get_jscript($cid,$cdom,$phase,$crstype,\%values);
  549:         my @allitems = &get_allitems(%prefs);
  550:         &Apache::lonconfigsettings::display_settings($r,$cdom,$phase,$context,
  551:             \@prefs_order,\%prefs,\%values,undef,$jscript,\@allitems,$crstype,
  552:             'coursepref',$parm_permission);
  553:     } else {
  554:         &Apache::lonconfigsettings::display_choices($r,$phase,$context,
  555:                                                     \@prefs_order,\%prefs,
  556:                                                     'coursepref',$parm_permission);
  557:     }
  558:     return OK;
  559: }
  560: 
  561: sub get_permission {
  562:     my ($cid) = @_;
  563:     my %permission;
  564:     my $allowed = 0;
  565:     return (\%permission,$allowed) unless ($cid);
  566:     if (&Apache::lonnet::allowed('opa',$cid)) {
  567:         %permission= (
  568:                        'pickactions'      => 1,
  569:                        'categorizecourse' => 1,
  570:                        'releaseinfo'      => 1,
  571:                        'process'          => 1,
  572:                        'display'          => 1,
  573:          );
  574:     } elsif (&Apache::lonnet::allowed('vpa',$env{'request.course.id'})) {
  575:         %permission = (
  576:                        'pickactions'      => 1,
  577:                        'releaseinfo'      => 1,
  578:                        'display'          => 1,
  579:                       );
  580:     }
  581:     foreach my $perm (values(%permission)) {
  582:         if ($perm) { $allowed=1; last; }
  583:     }
  584:     return (\%permission,$allowed);
  585: }
  586: 
  587: sub get_allitems {
  588:     my (%prefs) = @_;
  589:     my @allitems;
  590:     foreach my $item (keys(%prefs)) {
  591:         if (ref($prefs{$item}) eq 'HASH') {
  592:             if (ref($prefs{$item}{'ordered'}) eq 'ARRAY') {
  593:                 push(@allitems,@{$prefs{$item}{'ordered'}});
  594:                 if ($item eq 'feedback') {
  595:                     push(@allitems,(map { $_.'.text'; } @{$prefs{$item}{'ordered'}}));
  596:                 }
  597:             }
  598:         }
  599:     }
  600:     return @allitems;
  601: }
  602: 
  603: sub print_config_box {
  604:     my ($r,$cdom,$phase,$action,$item,$settings,$allitems,$crstype,$parm_permission) = @_;
  605:     my $ordered = $item->{'ordered'};
  606:     my $itemtext = $item->{'itemtext'};
  607:     my $noedit;
  608:     if (ref($parm_permission) eq 'HASH') {
  609:         unless ($parm_permission->{'process'}) {
  610:             $noedit = 1;
  611:         }
  612:     }
  613:     my $rowtotal = 0;
  614:     my $output =
  615:          '<table class="LC_nested_outer">
  616:           <tr>
  617:            <th align="left" valign="middle"><span class="LC_nobreak" style="font-size: larger;" >'.
  618:            &mt($item->{text});
  619:     if ($item->{'help'}) {
  620:         $output .= '&nbsp;'.
  621:                    &Apache::loncommon::help_open_topic($item->{'help'});
  622:     }
  623:     $output .= '</span></th>'."\n".
  624:                '</tr>';
  625:     if (($action eq 'feedback') || ($action eq 'classlists')) {
  626:         $output .= '
  627:           <tr>
  628:            <td>
  629:             <table class="LC_nested">';   
  630:         if (exists $item->{'header'}->[0]->{'col1'} || 
  631:             exists $item->{'header'}->[0]->{'col2'}) {
  632: 			$output .= '          
  633:           	<tr class="LC_info_row">
  634:               <td class="LC_left_item">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>';
  635:             if ($action eq 'feedback') {
  636:                 $output .= '
  637:                   <td class="LC_right_item" colspan="2">';
  638:             } else {
  639:                 $output .= '
  640:                   <td class="LC_right_item">';
  641:             }
  642:             $output .= &mt($item->{'header'}->[0]->{'col2'}).'</td>
  643:             </tr>';
  644:         }
  645:         $rowtotal ++;
  646:         if ($action eq 'feedback') {
  647:             $output .= &print_feedback('top',$cdom,$settings,$ordered,$itemtext,\$rowtotal,$noedit);
  648:         } elsif ($action eq 'classlists') {
  649:             $output .= &print_classlists('top',$cdom,$settings,$itemtext,\$rowtotal,$crstype,$noedit);
  650:         }
  651:         $output .= '
  652:            </table>
  653:           </td>
  654:          </tr>
  655:          <tr>
  656:           <td>
  657:             <table class="LC_nested">
  658:              <tr class="LC_info_row">
  659:               <td class="LC_left_item">'.&mt($item->{'header'}->[1]->{'col1'}).'</td>';
  660:         if ($action eq 'classlists') {
  661:             $output .= '
  662:               <td class="LC_right_item" colspan="2">';
  663:         } else {
  664:             $output .= '
  665:               <td class="LC_right_item">';
  666:         }
  667:         $output .= &mt($item->{'header'}->[1]->{'col2'}).'</td>
  668:              </tr>';
  669:         if ($action eq 'classlists') {
  670:             $output .= &print_classlists('middle',$cdom,$settings,$itemtext,\$rowtotal,$crstype,$noedit).
  671:                        '
  672:             </table>
  673:            </td>
  674:           </tr>
  675:           <tr>
  676:            <td>
  677:             <table class="LC_nested">';
  678:             if (exists $item->{'header'}->[2]->{'col1'} || 
  679:             	exists $item->{'header'}->[2]->{'col2'}) {
  680: 				$output .= '          
  681: 				<tr class="LC_info_row">
  682: 				  <td class="LC_left_item">'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
  683: 				  <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
  684: 				</tr>';
  685:         	}
  686:         }
  687:     } else {
  688:         $output .= '
  689:           <tr>
  690:            <td>
  691:             <table class="LC_nested">';
  692:         if (exists $item->{'header'}->[0]->{'col1'} || 
  693:             exists $item->{'header'}->[0]->{'col2'}) {
  694: 			$output .= '          
  695:           	<tr class="LC_info_row">
  696:               <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>';
  697:             if (($action eq 'courseinfo') || ($action eq 'localization') ||
  698:                 ($action eq 'print_discussion')) {
  699:                 $output .= '<td class="LC_right_item" valign="top" colspan="2">';
  700:             } else {
  701:                 $output .= '<td class="LC_right_item" valign="top">';
  702:             }
  703:             $output .= &mt($item->{'header'}->[0]->{'col2'}).'</td>
  704:             </tr>';
  705:         }
  706:     }
  707:     $rowtotal ++;
  708:     if ($action eq 'courseinfo') {
  709:         $output .= &print_courseinfo($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype,$noedit);
  710:     } elsif ($action eq 'localization') {
  711:         $output .= &print_localization($cdom,$settings,$ordered,$itemtext,\$rowtotal,$noedit);
  712:     } elsif ($action eq 'feedback') {
  713:         $output .= &print_feedback('bottom',$cdom,$settings,$ordered,$itemtext,\$rowtotal,$noedit);
  714:     } elsif ($action eq 'discussion') {
  715:         $output .= &print_discussion($cdom,$settings,$ordered,$itemtext,\$rowtotal,$noedit);
  716:     } elsif (($action eq 'classlists') || ($action eq 'viewableroster')) {
  717:         $output .= &print_classlists('bottom',$cdom,$settings,$itemtext,\$rowtotal,$crstype,$noedit);
  718:     } elsif ($action eq 'appearance') {
  719:         $output .= &print_appearance($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype,$noedit);
  720:     } elsif ($action eq 'grading') {
  721:         $output .= &print_grading($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype,$noedit);
  722:     } elsif ($action eq 'printouts') {
  723:         $output .= &print_printouts($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype,$noedit);
  724:     } elsif ($action eq 'spreadsheet') {
  725:         $output .= &print_spreadsheet($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype,$noedit);
  726:     } elsif ($action eq 'bridgetasks') {
  727:         $output .= &print_bridgetasks($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype,$noedit);
  728:     } elsif ($action eq 'other') {
  729:         $output .= &print_other($cdom,$settings,$allitems,\$rowtotal,$crstype,$noedit);
  730:     }
  731:     $output .= '
  732:    </table>
  733:   </td>
  734:  </tr>
  735: </table><br />';
  736:     return ($output,$rowtotal);
  737: }
  738: 
  739: sub process_changes {
  740:     my ($cdom,$action,$values,$item,$changes,$allitems,$disallowed,$crstype) = @_;
  741:     my %newvalues;
  742:     if (ref($item) eq 'HASH') {
  743:         if (ref($changes) eq 'HASH') {
  744:             my @ordered;
  745:             if ($action eq 'other') {
  746:                 @ordered = &get_other_items($cdom,$values,$allitems);
  747:                 if ($env{'form.newp_name'} ne '') {
  748:                     my $newp = $env{'form.newp_name'};
  749:                     if ($env{'form.newp_value'} ne '') {
  750:                         if (ref($allitems) eq 'ARRAY') {
  751:                             unless ((grep(/^\Q$newp\E$/,@ordered)) || 
  752:                                     (grep(/^\Q$newp\E$/,@{$allitems}))) {
  753:                                 $changes->{$newp} = $env{'form.newp_value'};
  754:                             }
  755:                         }
  756:                     }
  757:                 }
  758:             } elsif (ref($item->{'ordered'}) eq 'ARRAY') {
  759:                 if ($action eq 'courseinfo') {
  760:                     my ($can_toggle_cat,$can_categorize) =
  761:                         &can_modify_catsettings($cdom,$crstype);
  762:                     foreach my $entry (@{$item->{'ordered'}}) {
  763:                         next if (($entry eq 'hidefromcat') &&
  764:                                  (!$can_toggle_cat));
  765:                         next if (($entry eq 'categories') &&
  766:                                  (!$can_categorize));
  767:                         next if (($entry eq 'loncaparev') || 
  768:                                 ($entry eq 'owner') ||
  769:                                 ($entry eq 'clonedfrom'));
  770:                         push(@ordered,$entry);
  771:                     }
  772:                 } elsif ($action eq 'classlists') {
  773:                     foreach my $entry (@{$item->{'ordered'}}) {
  774:                         next if ($entry eq 'defaultcredits');
  775:                         push(@ordered,$entry);
  776:                     }
  777:                 } else {
  778:                     @ordered = @{$item->{'ordered'}};
  779:                 }
  780:             }
  781:             if (@ordered > 0) {
  782:                 if ($action eq 'feedback') {
  783:                     foreach my $entry (@ordered) {
  784:                         my $userstr = '';
  785:                         my $total = $env{'form.'.$entry.'_total'};
  786:                         if ($total) {
  787:                             my @deletes = &Apache::loncommon::get_env_multiple('form.'.$entry.'_delete');
  788:                             for (my $i=0; $i<$total; $i++) {
  789:                                 unless (grep(/^$i$/,@deletes)) {
  790:                                     $userstr .= $env{'form.'.$entry.'_user_'.$i}.
  791:                                                 &get_sec_str($entry,$i).',';
  792:                                 }
  793:                             }
  794:                         } else {
  795:                             $total = 0;
  796:                         } 
  797:                         if ($env{'form.'.$entry.'_uname_'.$total} ne '') {
  798:                             my $uname = $env{'form.'.$entry.'_uname_'.$total};
  799:                             my $udom = $env{'form.'.$entry.'_udom_'.$total};
  800:                             if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
  801:                                 $userstr =~ s/,$//;
  802:                                 $disallowed->{'feedback'}{$entry} = $uname.':'.$udom;
  803:                             } else {
  804:                                 $userstr .= $uname.':'.$udom.&get_sec_str($entry,$total);
  805:                             }
  806:                         } else {
  807:                             $userstr =~ s/,$//;
  808:                         }
  809:                         $newvalues{$entry} = $userstr;
  810:                         if ($newvalues{$entry} ne $values->{$entry}) {
  811:                             $changes->{$entry} = $newvalues{$entry};
  812:                         }
  813:                         my $ext_entry = $entry.'.text';
  814:                         $newvalues{$ext_entry} = $env{'form.'.$ext_entry};
  815:                         if ($newvalues{$ext_entry} ne $values->{$ext_entry}) {
  816:                             $changes->{$ext_entry} = $newvalues{$ext_entry};
  817:                         }
  818:                     }
  819:                 } else {
  820:                     foreach my $entry (@ordered) {
  821:                         if ($entry eq 'cloners') {
  822:                             if ($env{'form.cloners_all'}) {
  823:                                 $newvalues{$entry} = '*';
  824:                             } else {
  825:                                 my @clonedoms;
  826:                                 if (exists($env{'form.cloners_activate'})) {
  827:                                     my $actnum = $env{'form.cloners_activate'};
  828:                                     if ($actnum ne '-1') {
  829:                                         if ($env{'form.cloners_dom_'.$actnum} ne '') {
  830:                                             my $clonedom = $env{'form.cloners_dom_'.$actnum};
  831:                                             if (&check_clone($clonedom,$disallowed) eq 'ok') {
  832:                                                 $newvalues{$entry} = '*:'.$clonedom;
  833:                                                 push(@clonedoms,$newvalues{$entry});
  834:                                             }
  835:                                         }
  836:                                     }
  837:                                 } else {
  838:                                     my $num = $env{'form.cloners_total'};
  839:                                     my @deletes = 
  840:                                         &Apache::loncommon::get_env_multiple('form.cloners_delete');
  841:                                     for (my $i=0; $i<$num; $i++) {
  842:                                         if (!grep(/^$i$/,@deletes)) {
  843:                                             my $clonedom = $env{'form.cloners_dom_'.$i};
  844:                                             if (&check_clone($clonedom,$disallowed) eq 'ok') {
  845:                                                 if (!grep(/^\*:\Q$clonedom\E$/,@clonedoms)) {
  846:                                                     push(@clonedoms,'*:'.$clonedom);
  847:                                                 }
  848:                                             }
  849:                                         }
  850:                                     }
  851:                                     if (@clonedoms) {
  852:                                         $newvalues{$entry}=join(',',@clonedoms);
  853:                                     }
  854:                                 }
  855:                                 if ($env{'form.cloners_newdom'} ne '') {
  856:                                     my $clonedom = $env{'form.cloners_newdom'};
  857:                                     if (&check_clone($clonedom,$disallowed) eq 'ok') {
  858:                                         my $newdom = '*:'.$env{'form.cloners_newdom'};
  859:                                         if (@clonedoms) { 
  860:                                             if (!grep(/^\Q$newdom\E$/,@clonedoms)) {
  861:                                                 $newvalues{$entry} .= ','.$newdom;
  862:                                             }
  863:                                         } else {
  864:                                             $newvalues{$entry} = $newdom;
  865:                                         }
  866:                                     }
  867:                                 }
  868:                                 if ($env{'form.'.$entry} ne '') {
  869:                                     my @cloners = split(',',$env{'form.'.$entry});
  870:                                     my @okcloners;
  871:                                     foreach my $cloner (@cloners) {
  872:                                         $cloner =~ s/^\s+//;
  873:                                         $cloner =~ s/\s+$//;
  874:                                         unless ($cloner eq '') {
  875:                                             my ($uname,$udom) = split(':',$cloner);
  876:                                             if (&check_clone($udom,$disallowed,$uname) eq 'ok') {
  877:                                                 if (!grep(/^\Q$cloner\E$/,@okcloners)) {
  878:                                                     push(@okcloners,$cloner);
  879:                                                 }
  880:                                             }
  881:                                         }
  882:                                     }
  883:                                     if (@okcloners) {
  884:                                         my $okclonestr = join(',',@okcloners);
  885:                                         if ($newvalues{$entry} ne '') {
  886:                                             $newvalues{$entry} .= ','.$okclonestr;
  887:                                         } else {
  888:                                             $newvalues{$entry} = $okclonestr;
  889:                                         }
  890:                                     }
  891:                                 }
  892:                                 if (ref($values) eq 'HASH') {
  893:                                     my (@code_order,%codedefaults);
  894:                                     &Apache::lonnet::auto_instcode_defaults($cdom,\%codedefaults,
  895:                                                                             \@code_order);
  896:                                     my $clonebycode;
  897:                                     if ($env{'form.cloners_instcode'}) {
  898:                                         if (@code_order > 0) {
  899:                                             my @standardnames = &Apache::loncommon::get_standard_codeitems();
  900:                                             my %local_to_standard;
  901:                                             for (my $i=0; $i<@code_order; $i++) {
  902:                                                 $local_to_standard{$code_order[$i]} = $standardnames[$i];
  903:                                             }
  904:                                             foreach my $item (@code_order) {
  905:                                                 my $key = $local_to_standard{$item};
  906:                                                 if ($key ne '') {
  907:                                                     if ($env{'form.'.$key}) {
  908:                                                         $clonebycode .= $key.'='.&escape($env{'form.'.$key}).'&';
  909:                                                     }
  910:                                                 }
  911:                                             }
  912:                                             $clonebycode =~ s/\&$//;
  913:                                         }
  914:                                     }
  915:                                     if ($clonebycode) {
  916:                                         if ($newvalues{$entry}) {
  917:                                             $newvalues{$entry} .= ','.$clonebycode;
  918:                                         } else {
  919:                                             $newvalues{$entry} = $clonebycode;
  920:                                         }
  921:                                     }
  922:                                 }
  923:                             }
  924:                             if (ref($disallowed) eq 'HASH') {
  925:                                 if (ref($disallowed->{'cloners'}) eq 'HASH') {
  926:                                     foreach my $key (keys(%{$disallowed->{'cloners'}})) {
  927:                                         $disallowed->{'cloners'}{$key} =~ s/,$//;
  928:                                     }
  929:                                 }
  930:                             }
  931:                         } elsif ($entry eq 'co-owners') {
  932:                             my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
  933:                             my $coowners = $values->{'internal.co-owners'};
  934:                             my @currcoown;
  935:                             if ($coowners) {
  936:                                 @currcoown = split(',',$coowners);
  937:                             }
  938:                             if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
  939:                                 my $autocoowner;
  940:                                 if (($crstype eq 'Course') && 
  941:                                     ($values->{'internal.coursecode'})) {
  942:                                     my %domconf =
  943:                                         &Apache::lonnet::get_dom('configuration',['autoenroll'],$cdom);
  944:                                     if (ref($domconf{'autoenroll'}) eq 'HASH') {
  945:                                         $autocoowner = $domconf{'autoenroll'}{'co-owners'};
  946:                                     }
  947:                                 }
  948:                                 unless ($autocoowner) {
  949:                                     my @keepcoowners = &Apache::loncommon::get_env_multiple('form.coowners');
  950:                                     my @pendingcoowners = &Apache::loncommon::get_env_multiple('form.pendingcoowners');
  951:                                     my @invitecoowners =  &Apache::loncommon::get_env_multiple('form.invitecoowners');
  952:                                     if (@invitecoowners) {
  953:                                         push(@pendingcoowners,@invitecoowners);
  954:                                     }
  955:                                     $newvalues{'pendingco-owners'} = join(',',sort(@pendingcoowners));
  956:                                     $newvalues{'co-owners'} = join(',',sort(@keepcoowners));
  957:                                     if ($newvalues{'co-owners'} ne $values->{'internal.co-owners'}) {
  958:                                         $changes->{$entry}{'co-owners'} = $newvalues{'co-owners'};
  959:                                         push(@{$changes->{$entry}{'changed'}},'co-owners');
  960:                                     }
  961:                                     if ($newvalues{'pendingco-owners'} ne $values->{'internal.pendingco-owners'}) {
  962:                                         $changes->{$entry}{'pendingco-owners'} = $newvalues{'pendingco-owners'};
  963:                                         push(@{$changes->{$entry}{'changed'}},'pendingco-owners');
  964:                                     }
  965:                                 }
  966:                             } else {
  967:                                 my (@newpending,@newcoown);
  968:                                 my $uname = $env{'user.name'};
  969:                                 my $udom = $env{'user.domain'};
  970:                                 my $pendingcoowners = $values->{'internal.pendingco-owners'};
  971:                                 my @pendingcoown = split(',',$pendingcoowners);
  972:                                 if ($env{'form.pending_coowoner'}) {
  973:                                     foreach my $item (@pendingcoown) {
  974:                                         unless ($item eq $uname.':'.$udom) {
  975:                                             push(@newpending,$item);
  976:                                         }
  977:                                     }
  978:                                     @newcoown = @currcoown;
  979:                                     if ($env{'form.pending_coowoner'} eq 'accept') {
  980:                                         unless (grep(/^\Q$uname\E:\Q$udom\E$/,@currcoown)) {
  981:                                             push(@newcoown,$uname.':'.$udom);
  982:                                         }
  983:                                     }
  984:                                 } elsif ($env{'form.remove_coowoner'}) {
  985:                                     foreach my $item (@currcoown) {
  986:                                         unless ($item eq $uname.':'.$udom) {
  987:                                             push(@newcoown,$item);
  988:                                         }
  989:                                     }
  990:                                     if ($pendingcoowners ne '') {
  991:                                         @newpending = @pendingcoown;
  992:                                     }
  993:                                 }
  994:                                 $newvalues{'pendingco-owners'} = join(',',sort(@newpending));
  995:                                 $newvalues{'co-owners'} = join(',',sort(@newcoown));
  996:                                 if ($newvalues{'co-owners'} ne $values->{'internal.co-owners'}) {
  997:                                     $changes->{$entry}{'co-owners'} = $newvalues{'co-owners'};
  998:                                     push(@{$changes->{$entry}{'changed'}},'co-owners');
  999:                                 }
 1000:                                 if ($newvalues{'pendingco-owners'} ne $values->{'internal.pendingco-owners'}) {
 1001:                                     $changes->{$entry}{'pendingco-owners'} = $newvalues{'pendingco-owners'};
 1002:                                     push(@{$changes->{$entry}{'changed'}},'pendingco-owners');
 1003:                                 }
 1004:                             }
 1005:                         } elsif ($entry =~ /^default_enrollment_(start|end)_date$/) {
 1006:                             $newvalues{$entry}=&Apache::lonhtmlcommon::get_date_from_form($entry);
 1007:                         } elsif ($entry eq 'rolenames') {
 1008:                             my %adv_roles =
 1009:                                 &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 1010:                             my @stds;
 1011:                             if ($crstype eq 'Community') {
 1012:                                 @stds = ('co');
 1013:                             } else {
 1014:                                 @stds = ('cc');
 1015:                             }
 1016:                             push(@stds,('in','ta','ep','ad','st'));
 1017:                             my (@replacements,@regulars);
 1018:                             foreach my $role (@stds) {
 1019:                                 if ($values->{$role.'.plaintext'} ne '') {
 1020:                                     push(@replacements,$role);
 1021:                                 } else {
 1022:                                     push(@regulars,$role);
 1023:                                 }
 1024:                             }
 1025:                             foreach my $stdrole (@stds) {
 1026:                                 my $ext_entry = $entry.'_'.$stdrole;
 1027:                                 my $stdname = &Apache::lonnet::plaintext($stdrole,$crstype,
 1028:                                                                          $env{'request.course.id'},1);
 1029:                                 if ($env{'form.'.$ext_entry} eq $stdname) {
 1030:                                     $newvalues{$ext_entry} = '';
 1031:                                 } else {
 1032:                                     $newvalues{$ext_entry} = $env{'form.'.$ext_entry};
 1033:                                 }
 1034:                                 if ($newvalues{$ext_entry} ne $values->{$stdrole.'.plaintext'}) {
 1035:                                     my $dupname = 0;
 1036:                                     if ($newvalues{$ext_entry} ne '') {
 1037:                                         if (grep(/^\Q$newvalues{$ext_entry}\E$/,@replacements)) {
 1038:                                             $dupname = 1;
 1039:                                             push(@{$disallowed->{'rolenames'}{'replacements'}},$newvalues{$ext_entry});
 1040:                                         }
 1041:                                         if (!$dupname) {
 1042:                                             if (grep(/^\Q$newvalues{$ext_entry}\E$/,@regulars)) {
 1043:                                                 $dupname = 1;
 1044:                                                 push(@{$disallowed->{rolenames}{'regulars'}},$newvalues{$ext_entry});
 1045:                                             }
 1046:                                         }
 1047:                                         if (!$dupname) {
 1048:                                             foreach my $role (keys(%adv_roles)) {
 1049:                                                 if ($role =~ m{^cr/$match_domain/$match_name/\Q$newvalues{$ext_entry}\E$}) {
 1050:                                                     $dupname = 1;
 1051:                                                     push(@{$disallowed->{rolenames}{'customrole'}},$newvalues{$ext_entry});
 1052:                                                     last;
 1053:                                                 }
 1054:                                             }
 1055:                                         }
 1056:                                     }
 1057:                                     if (!$dupname) {
 1058:                                         $changes->{$ext_entry} = $newvalues{$ext_entry};
 1059:                                     }
 1060:                                 }
 1061:                             }
 1062:                         } elsif (($entry eq 'plc.roles.denied') || ($entry eq 'pch.roles.denied') ||
 1063:                                  ($entry eq 'pac.roles.denied')) {
 1064:                             my @denied = &Apache::loncommon::get_env_multiple('form.'.$entry);
 1065:                             @denied = sort(@denied);
 1066:                             my $deniedstr = '';
 1067:                             if (@denied > 0) {
 1068:                                 $deniedstr = join(',',@denied);  
 1069:                             }
 1070:                             $newvalues{$entry} = $deniedstr;
 1071:                         } elsif (($entry eq 'plc.users.denied') || ($entry eq 'pch.users.denied') ||
 1072:                                  ($entry eq 'pac.users.denied')) {
 1073:                             my $total = $env{'form.'.$entry.'_total'};
 1074:                             my $userstr = '';
 1075:                             my @denied;  
 1076:                             if ($total > 0) {
 1077:                                 my @deletes = 
 1078:                                     &Apache::loncommon::get_env_multiple('form.'.$entry.'_delete');
 1079:                                 for (my $i=0; $i<$total; $i++) {
 1080:                                     unless (grep(/^$i$/,@deletes)) {
 1081:                                         $userstr .= $env{'form.'.$entry.'_user_'.$i}.',';
 1082:                                         push(@denied,$env{'form.'.$entry.'_user_'.$i});
 1083:                                     }
 1084:                                 }
 1085:                             } else {
 1086:                                 $total = 0;
 1087:                             }
 1088:                             if ($env{'form.'.$entry.'_uname_'.$total} ne '') {
 1089:                                 my $uname = $env{'form.'.$entry.'_uname_'.$total};
 1090:                                 my $udom = $env{'form.'.$entry.'_udom_'.$total};
 1091:                                 if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
 1092:                                     $userstr =~ s/,$//;
 1093:                                     $disallowed->{'discussion'}{$entry} = $uname.':'.$udom;
 1094:                                 } else {
 1095:                                     my $newuser .= $uname.':'.$udom;
 1096:                                     if (grep(/^\Q$newuser\E$/,@denied)) {
 1097:                                         $userstr =~ s/,$//;
 1098:                                     } else {
 1099:                                         $userstr .= $newuser;
 1100:                                     }
 1101:                                 }
 1102:                             } else {
 1103:                                 $userstr =~ s/,$//;
 1104:                             }
 1105:                             $newvalues{$entry} = $userstr;
 1106:                         } elsif ($entry eq 'allow_discussion_post_editing') {
 1107:                             my @canedit = &Apache::loncommon::get_env_multiple('form.'.$entry);
 1108:                             @canedit = sort(@canedit);
 1109:                             foreach my $role (@canedit) {
 1110:                                 my @secs = &Apache::loncommon::get_env_multiple('form.'.$entry.'_sections_'.$role);
 1111:                                 if ((grep(/^\s*$/,@secs)) || (@secs == 0)) {
 1112:                                     $newvalues{$entry} .= $role.',';
 1113:                                 } else {
 1114:                                     foreach my $sec (@secs) {
 1115:                                         $newvalues{$entry} .= $role.':'.$sec.',';
 1116:                                     }
 1117:                                 }
 1118:                             }
 1119:                             $newvalues{$entry} =~ s/,$//;
 1120:                         } elsif ($entry eq 'discussion_post_fonts') {
 1121:                             my ($classorder,$classtitles) = &discussion_vote_classes();
 1122:                             my $fontchange = 0;
 1123:                             foreach my $class (@{$classorder}) {
 1124:                                 my $ext_entry = $entry.'_'.$class; 
 1125:                                 my $size = $env{'form.'.$ext_entry.'_size'};
 1126:                                 my $unit = $env{'form.'.$ext_entry.'_unit'};
 1127:                                 my $weight = $env{'form.'.$ext_entry.'_weight'};
 1128:                                 my $style = $env{'form.'.$ext_entry.'_style'};
 1129:                                 my $other = $env{'form.'.$ext_entry.'_other'};
 1130:                                 $size =~ s/,//g;
 1131:                                 $unit =~ s/,//g; 
 1132:                                 $weight =~ s/,//g;
 1133:                                 $style =~ s/,//g;
 1134:                                 $other =~ s/[^\w;:\s\-\%.]//g;
 1135:                                 $other =~ s/(^\s+|\s+$)//g;
 1136:                                 $newvalues{$ext_entry} = join(',',($size.$unit,$weight,$style,$other));
 1137:                                 my $current = $values->{$ext_entry};
 1138:                                 if ($values->{$ext_entry} eq '') {
 1139:                                     $current = ',,,'; 
 1140:                                 }
 1141:                                 if ($newvalues{$ext_entry} ne $current) {
 1142:                                     $changes->{$ext_entry} = $newvalues{$ext_entry};
 1143:                                     $fontchange ++;
 1144:                                 }
 1145:                             }
 1146:                             if ($fontchange) {
 1147:                                 $changes->{$entry} = 1;
 1148:                             } 
 1149:                         } elsif ($entry eq 'nothideprivileged') {
 1150:                             my @curr_nothide;
 1151:                             my @new_nothide;
 1152:                             if ($values->{$entry} ne '') {
 1153:                                 foreach my $user (split(/\s*\,\s*/,$values->{$entry})) {
 1154:                                     my $nothide;
 1155:                                     if ($user !~ /:/) {
 1156:                                         $nothide = join(':',split(/[\@]/,$user));
 1157:                                     } else {
 1158:                                         $nothide = $user;
 1159:                                     }
 1160:                                     if ((defined($nothide)) && 
 1161:                                         (!grep(/^\Q$nothide\E$/,@curr_nothide))) {
 1162:                                         push(@curr_nothide,$nothide);   
 1163:                                     }
 1164:                                 }
 1165:                             }
 1166:                             foreach my $key (keys(%env)) {
 1167:                                 if ($key =~ /^form\.\Q$entry\E_($match_username:$match_domain)$/) {
 1168:                                     if ($env{$key}) {
 1169:                                        my $nothide = $1;
 1170:                                        if (!grep(/^\Q$nothide\E$/,@new_nothide)) {
 1171:                                            push(@new_nothide,$nothide); 
 1172:                                         }
 1173:                                     }
 1174:                                 }
 1175:                             }
 1176:                             @new_nothide = sort(@new_nothide);
 1177:                             my @differences =
 1178:                                 &Apache::loncommon::compare_arrays(\@curr_nothide,
 1179:                                                                    \@new_nothide);
 1180:                             if (@differences > 0) {
 1181:                                 if (@new_nothide > 0) { 
 1182:                                     $newvalues{$entry} = join(',',@new_nothide);
 1183:                                 } else {
 1184:                                     $newvalues{$entry} = '';
 1185:                                 }
 1186:                             } else {
 1187:                                 $newvalues{$entry} = $values->{$entry}; 
 1188:                             }
 1189:                         } elsif ($entry eq 'print_header_format') {
 1190:                             my $maxnum = $env{'form.printfmthdr_maxnum'};
 1191:                             my @newhdr;
 1192:                             if ($maxnum > 2) {
 1193:                                 for (my $i=0; $i<$maxnum-2; $i++) {
 1194:                                     if ($env{'form.printfmthdr_del_'.$i}) {
 1195:                                         $newhdr[$env{'form.printfmthdr_pos_'.$i}] = '';
 1196:                                     } else {
 1197:                                         my $hdr;
 1198:                                         if ($env{'form.printfmthdr_sub_'.$i} =~ /^[nca]$/) {
 1199:                                             $hdr = '%';
 1200:                                             if ($env{'form.printfmthdr_limit_'.$i} =~ /^\d+$/) {
 1201:                                                 $hdr .= $env{'form.printfmthdr_limit_'.$i};
 1202:                                             }
 1203:                                             $hdr .= $env{'form.printfmthdr_sub_'.$i};
 1204:                                         } elsif ($env{'form.printfmthdr_text_'.$i} ne '') {
 1205:                                             $hdr = $env{'form.printfmthdr_text_'.$i};
 1206:                                         }
 1207:                                         $newhdr[$env{'form.printfmthdr_pos_'.$i}] = $hdr;
 1208:                                     }
 1209:                                 }
 1210:                             }
 1211:                             my $newsub = $maxnum-2;
 1212:                             if ($env{'form.printfmthdr_sub_'.$newsub} =~ /^[nca]$/) {
 1213:                                 my $hdr = '%';
 1214:                                 if ($env{'form.printfmthdr_limit_'.$newsub} =~ /^\d+$/) {
 1215:                                     $hdr .= $env{'form.printfmthdr_limit_'.$newsub};
 1216:                                 }
 1217:                                 $hdr .= $env{'form.printfmthdr_sub_'.$newsub};
 1218:                                 $newhdr[$env{'form.printfmthdr_pos_'.$newsub}] = $hdr;
 1219:                             }
 1220:                             my $newtext = $maxnum-1;
 1221:                             $newhdr[$env{'form.printfmthdr_pos_'.$newtext}] = $env{'form.printfmthdr_text_'.$newtext};
 1222:                             $newvalues{$entry} = join('',@newhdr);
 1223:                         } elsif (($entry eq 'languages') || 
 1224:                                  ($entry eq 'checkforpriv')) {
 1225:                             my $settings;
 1226:                             my $total = $env{'form.'.$entry.'_total'};
 1227:                             if ($total) {
 1228:                                 my @deletes = &Apache::loncommon::get_env_multiple('form.'.$entry.'_delete');
 1229:                                 for (my $i=0; $i<$total; $i++) {
 1230:                                     unless (grep(/^$i$/,@deletes)) {
 1231:                                         $settings .= $env{'form.'.$entry.'_'.$i}.',';
 1232:                                     }
 1233:                                 }
 1234:                             } else {
 1235:                                 $total = 0;
 1236:                             }
 1237:                             if ($env{'form.'.$entry.'_'.$total} ne '') {
 1238:                                 my $new = $env{'form.'.$entry.'_'.$total};
 1239:                                 if ($entry eq 'languages') { 
 1240:                                     my %langchoices = &get_lang_choices();
 1241:                                     if ($langchoices{$new}) {
 1242:                                         $settings .= $new;
 1243:                                     } else {
 1244:                                         $settings =~ s/,$//;
 1245:                                         $disallowed->{'localization'}{$entry} = $new;
 1246:                                     }
 1247:                                 } else {
 1248:                                     my %domains=map { $_ => 1; } &Apache::lonnet::all_domains();
 1249:                                     if ($domains{$new}) {
 1250:                                         $settings .= $new;
 1251:                                     } else {
 1252:                                         $settings =~ s/,$//;
 1253:                                         $disallowed->{'classlists'}{$entry} = $new;
 1254:                                     }
 1255:                                 }
 1256:                             } else {
 1257:                                 $settings =~ s/,$//;
 1258:                             }
 1259:                             $newvalues{$entry} = $settings;
 1260:                         } else {
 1261:                             $newvalues{$entry} = $env{'form.'.$entry};
 1262:                         }
 1263:                         unless (($entry eq 'co-owners') || ($entry eq 'discussion_post_fonts')) {
 1264:                             if ($newvalues{$entry} ne $values->{$entry}) {
 1265:                                 $changes->{$entry} = $newvalues{$entry};
 1266:                             }
 1267:                         }
 1268:                     }
 1269:                 }
 1270:             }
 1271:         }
 1272:     }
 1273:     return;
 1274: }
 1275: 
 1276: sub get_sec_str {
 1277:     my ($entry,$num) = @_;
 1278:     my @secs = &Apache::loncommon::get_env_multiple('form.'.$entry.'_sections_'.$num);
 1279:     my $secstr;
 1280:     if (grep(/^\s*$/,@secs)) {
 1281:         $secstr = '';
 1282:     } elsif (@secs > 0) {
 1283:         $secstr = join(';',@secs);
 1284:     }
 1285:     if ($secstr ne '') {
 1286:         return '('.$secstr.')';
 1287:     }
 1288:     return;
 1289: }
 1290: 
 1291: sub check_clone {
 1292:     my ($clonedom,$disallowed,$clonename) = @_;
 1293:     return if (ref($disallowed) ne 'HASH');
 1294:     if ($clonedom !~ /^$match_domain$/) {
 1295:         $disallowed->{'cloners'}{'format'} .= $clonedom.',';
 1296:         return;
 1297:     } elsif (!&Apache::lonnet::domain($clonedom)) {
 1298:         $disallowed->{'cloners'}{'domain'} .= $clonedom.',';
 1299:         return;
 1300:     }
 1301:     if ($clonename ne '') {
 1302:         if ($clonename !~ /^$match_username$/) {
 1303:             $disallowed->{'cloners'}{'format'} .= $clonename.':'.$clonedom.',';
 1304:             return;
 1305:         } else {
 1306:             if (&Apache::lonnet::homeserver($clonename,$clonedom) eq 'no_host') {
 1307:                 $disallowed->{'cloners'}{'newuser'} .= $clonename.':'.$clonedom.',';
 1308:                 return;
 1309:             }
 1310:         }
 1311:     }
 1312:     return 'ok';
 1313: }
 1314: 
 1315: sub store_changes {
 1316:     my ($cdom,$cnum,$prefs_order,$actions,$prefs,$values,$changes,$crstype) = @_;
 1317:     my ($chome,$output);
 1318:     my (%storehash,@delkeys,@need_env_update,@oldcloner);
 1319:     if ((ref($values) eq 'HASH') && (ref($changes) eq 'HASH')) {
 1320:         %storehash = %{$values};
 1321:     } else {
 1322:         if ($crstype eq 'Community') {
 1323:             $output = &mt('No changes made to community settings.');
 1324:         } else {
 1325:             $output = &mt('No changes made to course settings.');
 1326:         }
 1327:         return $output;
 1328:     }
 1329:     my %yesno = (
 1330:                  hidefromcat           => '1',
 1331:                  problem_stream_switch => '1',
 1332:                  suppress_tries        => '1',
 1333:                  disableexampointprint => '1',
 1334:                  hideemptyrows         => '1',
 1335:                  suppress_embed_prompt => '1',
 1336:                 );
 1337:     foreach my $item (@{$prefs_order}) {
 1338:         if (grep(/^\Q$item\E$/,@{$actions})) {
 1339:             $output .= '<h3>'.&mt($prefs->{$item}{'text'}).'</h3>';
 1340:             if (ref($changes->{$item}) eq 'HASH') {
 1341:                 if (keys(%{$changes->{$item}}) > 0) {
 1342:                     $output .= &mt('Changes made:').'<ul style="list-style:none;">';
 1343:                     if ($item eq 'other') {
 1344:                         foreach my $key (sort(keys(%{$changes->{$item}}))) {
 1345:                             $storehash{$key} = $changes->{$item}{$key};
 1346:                             if ($changes->{$item}{$key} eq '') {
 1347:                                 push(@delkeys,$key);
 1348:                                 $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Deleted setting for [_1]','<i>'.$key.'</i>')).'</li>';
 1349:                             } else {
 1350:                                 $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]','<i>'.$key.'</i>',
 1351:                                            "'$storehash{$key}'")).'</li>';
 1352:                             }
 1353:                         }
 1354:                     } else {
 1355:                         if (ref($prefs->{$item}->{'ordered'}) eq 'ARRAY') {
 1356:                             my @settings = @{$prefs->{$item}->{'ordered'}};
 1357:                             if ($item eq 'feedback') {
 1358:                                 push(@settings,(map { $_.'.text'; } @settings));
 1359:                             }
 1360:                             foreach my $key (@settings) {
 1361:                                 if ($key eq 'rolenames') {
 1362:                                     my $displayname = $prefs->{$item}->{'itemtext'}{$key};
 1363:                                     my $msg;
 1364:                                     my @roles;
 1365:                                     if ($crstype eq 'Community') {
 1366:                                         @roles = ('co');
 1367:                                     } else {
 1368:                                         @roles = ('cc');
 1369:                                     }
 1370:                                     push(@roles,('in','ta','ep','ad','st'));
 1371:                                     foreach my $role (@roles) {
 1372:                                         next if (!exists($changes->{$item}{$key.'_'.$role}));
 1373:                                         my $stdname = &Apache::lonnet::plaintext($role,$crstype,undef,1);
 1374:                                         my $newname = $changes->{$item}{$key.'_'.$role};
 1375:                                         $storehash{$role.'.plaintext'} = $newname;
 1376:                                         if ($newname eq '') {
 1377:                                             $newname = $stdname;
 1378:                                         }
 1379:                                         $msg .= '<li>'.&mt('[_1] set to [_2]','<i>'.$stdname.'</i>',
 1380:                                                 "'<b>".$newname."</b>'").'</li>';
 1381:                                     }
 1382:                                     if ($msg ne '') {
 1383:                                         $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt($displayname)).'<ul class="LC_success">'.$msg.'</ul></li>';
 1384:                                     }
 1385:                                 } else {
 1386:                                     next if (!exists($changes->{$item}{$key}));
 1387:                                     my ($displayname,$text);
 1388:                                     $text = $prefs->{$item}->{'itemtext'}{$key};
 1389:                                     my $displayval;
 1390:                                     unless (($key eq 'co-owners') || ($key eq 'discussion_post_fonts')) {
 1391:                                         $displayval = $changes->{$item}{$key};
 1392:                                     }
 1393:                                     if ($item eq 'feedback') {
 1394:                                         if ($key =~ /^(question|policy|comment)(\.email)\.text$/) {
 1395:                                             $text = $prefs->{$item}->{'itemtext'}{$1.$2};
 1396:                                             $displayname = &mt('Custom text for '.$text.' questions');
 1397:                                         } else {
 1398:                                             $displayname = &mt('Recipients of '.$text.' questions');
 1399:                                         }
 1400:                                     } elsif ($item eq 'discussion') {
 1401:                                         if ($key =~ /^p(lc|ch)\.roles\.denied/) {
 1402:                                             $displayname = &mt("$text (role-based)");
 1403:                                             if ($displayval ne '') {
 1404:                                                 my @roles = split(',',$displayval);
 1405:                                                 @roles = map { &Apache::lonnet::plaintext($_); } @roles;
 1406:                                                 $displayval = join(', ',@roles);
 1407:                                             } 
 1408:                                         } elsif ($key =~ /^p(lc|ch)\.users\.denied/) {
 1409:                                             $displayname = &mt("$text (specific user(s))");
 1410:                                         } else {
 1411:                                             if ($key eq 'allow_discussion_post_editing') {
 1412:                                                 if ($displayval ne '') {
 1413:                                                     my @roles = split(',',$displayval);
 1414:                                                     my @longroles;
 1415:                                                     foreach my $role (@roles) {
 1416:                                                         my ($trole,$sec) = split(':',$role);
 1417:                                                         my $rolename = 
 1418:                                                             &Apache::lonnet::plaintext($trole);
 1419:                                                         if ($sec ne '') {
 1420:                                                             $rolename .= ':'.$sec;
 1421:                                                         }
 1422:                                                         push(@longroles,$rolename);
 1423:                                                     }
 1424:                                                     $displayval = join(', ',@longroles);
 1425:                                                 }
 1426:                                             } elsif ($key eq 'discussion_post_fonts') {
 1427:                                                 my ($classorder,$classtitles)=&discussion_vote_classes();
 1428:                                                 my ($styleorder,$styleitems)=&discussion_vote_styles();
 1429:                                                 my $count = 1;
 1430:                                                 my $total = scalar(keys(%{$changes->{$item}}));
 1431:                                                 foreach my $class (@{$classorder}) {
 1432:                                                     $count ++;
 1433:                                                     next unless ($changes->{$item}{$key.'_'.$class});
 1434:                                                     my @vals = split(/,/,$changes->{$item}{$key.'_'.$class});
 1435:                                                     my $showval = '';
 1436:                                                     for (my $i=0; $i<@{$styleorder}; $i++) {
 1437:                                                         if ($vals[$i] ne '') {
 1438:                                                             $showval .= 'font-'.$styleorder->[$i].': '.$vals[$i].'; ';
 1439:                                                         }
 1440:                                                     }
 1441:                                                     if ($vals[3] ne '') {
 1442:                                                         $showval .= $vals[3];
 1443:                                                     }
 1444:                                                     if ($showval ne '') {
 1445:                                                         $displayval .= $classtitles->{$class}.':{ '.
 1446:                                                                        $showval.'}';
 1447:                                                         $storehash{$key.'_'.$class} = $changes->{$item}{$key.'_'.$class};
 1448:                                                     } else {
 1449:                                                         $displayval .= $classtitles->{$class}.': '.&mt('None');
 1450:                                                         push(@delkeys,$key.'_'.$class);
 1451:                                                     }
 1452:                                                     unless ($count == $total) {
 1453:                                                         $displayval .= ('&nbsp;'x2);
 1454:                                                     }
 1455:                                                 }
 1456:                                             }
 1457:                                             $displayname = &mt($text);
 1458:                                         }
 1459:                                     } elsif ($item eq 'spreadsheet') {
 1460:                                         if ($key =~ /^spreadsheet_default_(studentcalc|assesscalc)$/x) {
 1461:                                             my $sheettype = $1;
 1462:                                             if ($sheettype eq 'studentcalc') {
 1463:                                                 &Apache::lonnet::expirespread('','','studentcalc');
 1464:                                             } else {
 1465:                                                 &Apache::lonnet::expirespread('','','assesscalc');
 1466:                                                 &Apache::lonnet::expirespread('','','studentcalc');
 1467:                                             }
 1468:                                         }
 1469:                                         $displayname = &mt($text);
 1470:                                     } else {
 1471:                                         $displayname = &mt($text);
 1472:                                     }
 1473:                                     if (defined($yesno{$key})) {
 1474:                                         $displayval = &mt('No');
 1475:                                         if ($changes->{$item}{$key} eq 'yes') {
 1476:                                             $displayval = &mt('Yes');                          
 1477:                                         }
 1478:                                     } elsif (($key =~ /^default_enrollment_(start|end)_date$/) && ($displayval)) {
 1479:                                         $displayval = &Apache::lonlocal::locallocaltime($displayval);
 1480:                                     } elsif ($key eq 'categories') {
 1481:                                         $displayval = $env{'form.categories_display'};
 1482:                                     } elsif (($key eq 'canuse_pdfforms') || ($key eq 'usejsme') || ($key eq 'uselcmath')) {
 1483:                                         if ($changes->{$item}{$key} eq '1') {
 1484:                                             $displayval = &mt('Yes');
 1485:                                         } elsif ($changes->{$item}{$key} eq '0') {
 1486:                                             $displayval = &mt('No');
 1487:                                         }
 1488:                                     }
 1489:                                     if ($key eq 'co-owners') {
 1490:                                         if (ref($changes->{$item}{$key}) eq 'HASH') {
 1491:                                             if (ref($changes->{$item}{$key}{'changed'}) eq 'ARRAY') {
 1492:                                                 foreach my $type ('co-owners','pendingco-owners') {
 1493:                                                     next unless (grep(/^\Q$type\E$/,@{$changes->{$item}{$key}{'changed'}}));
 1494:                                                     if ($type eq 'pendingco-owners') {
 1495:                                                         if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
 1496:                                                             $displayname = &mt('Invited as co-owners, pending acceptance');
 1497:                                                         }
 1498:                                                     }
 1499:                                                     if ($changes->{$item}{$key}{$type} eq '') {
 1500:                                                         push(@delkeys,'internal.'.$type);
 1501:                                                         if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
 1502:                                                             $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Deleted setting for [_1]',
 1503:                                                             '<i>'.$displayname.'</i>')).'</li>';
 1504:                                                         }
 1505:                                                     } elsif (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
 1506:                                                         $displayval = join(', ',map { &Apache::loncommon::plainname(split(':',$_)); } split(',',$changes->{$item}{$key}{$type}));
 1507:                                                         $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]',
 1508:                                                                    '<i>'.$displayname.'</i>',
 1509:                                                                    "'<b>$displayval</b>'")).'</li>';
 1510:                                                     }
 1511:                                                 }
 1512:                                             }
 1513:                                             unless (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
 1514:                                                 if ($env{'form.pending_coowoner'} eq 'accept') {
 1515:                                                         $displayval = &mt('on');
 1516:                                                 } elsif ($env{'form.pending_coowoner'} eq 'decline') {
 1517:                                                         $displayval = '';
 1518:                                                         $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Invitation to be co-owner declined')).'</li>';
 1519:                                                 } elsif ($env{'form.remove_coowoner'}) {
 1520:                                                     $displayval = &mt('off');
 1521:                                                 }
 1522:                                                 if ($displayval) {
 1523:                                                     $displayname = &mt('Your co-ownership status');
 1524:                                                     $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]',
 1525:                                                    '<i>'.$displayname.'</i>',
 1526:                                                    "'<b>$displayval</b>'")).'</li>';
 1527:                                                 }
 1528:                                             }
 1529:                                         }
 1530:                                     } elsif ($changes->{$item}{$key} eq '') {
 1531:                                         push(@delkeys,$key);
 1532:                                         $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('Deleted setting for [_1]',
 1533:                                                    '<i>'.$displayname.'</i>')).'</li>';
 1534:                                     } else {
 1535:                                         $output .= '<li>'.&Apache::lonhtmlcommon::confirm_success(&mt('[_1] set to [_2]',
 1536:                                                    '<i>'.$displayname.'</i>',
 1537:                                                    "'<b>$displayval</b>'"));
 1538:                                         if ($key eq 'url') {
 1539:                                             my $bkuptime=time;
 1540:                                             $output .= ('&nbsp;'x2).&mt('(Previous URL backed up)').': '.
 1541:                                             $storehash{'top level map backup '.$bkuptime} = $values->{$key};
 1542:                                         }
 1543:                                         $output .= '</li>';
 1544:                                     }
 1545:                                     if ($key eq 'co-owners') {
 1546:                                         if (ref($changes->{$item}{$key}) eq 'HASH') {
 1547:                                             if (ref($changes->{$item}{$key}{'changed'}) eq 'ARRAY') {
 1548:                                                 foreach my $type ('co-owners','pendingco-owners') {
 1549:                                                     next unless (grep(/^\Q$type\E$/,@{$changes->{$item}{$key}{'changed'}}));
 1550:                                                     $storehash{'internal.'.$type} = $changes->{$item}{$key}{$type};
 1551:                                                 }
 1552:                                             }
 1553:                                         }
 1554:                                     } else {
 1555:                                         unless ($key eq 'discussion_post_fonts') {
 1556:                                             $storehash{$key} = $changes->{$item}{$key};
 1557:                                         }
 1558:                                     }
 1559:                                 }
 1560:                                 if ($key eq 'cloners') {
 1561:                                     # Get existing cloners
 1562:                                     my %clonenames = 
 1563:                                         &Apache::lonnet::dump('environment',$cdom,$cnum,'cloners');
 1564:                                     if ($clonenames{'cloners'} =~ /,/) {
 1565:                                         @oldcloner = split(/\s*\,\s*/,$clonenames{'cloners'});
 1566:                                     } else {
 1567:                                         $oldcloner[0] = $clonenames{'cloners'};
 1568:                                     }
 1569:                                 }
 1570:                                 if (($key eq 'description') || ($key eq 'cloners') ||
 1571:                                     ($key eq 'hidefromcat') || ($key eq 'categories') ||
 1572:                                     ($key eq 'co-owners')) {
 1573:                                     push(@need_env_update,$key);
 1574:                                 }
 1575:                             }
 1576:                         }
 1577:                     }
 1578:                     $output .= '</ul>';
 1579:                 } else {
 1580:                     if ($crstype eq 'Community') {
 1581:                         $output .= &mt('No changes made to community settings.');
 1582:                     } else {
 1583:                         $output .= &mt('No changes made to course settings.');
 1584:                     }
 1585:                 }
 1586:             }
 1587:         }
 1588:     }
 1589:     if (&Apache::lonnet::put('environment',\%storehash,$cdom,$cnum) eq 'ok') {
 1590:         if (ref($changes) eq 'HASH') {
 1591:             if (ref($changes->{'courseinfo'}) eq 'HASH') {
 1592:                 if (exists($changes->{'courseinfo'}{'cloners'})) {
 1593:                     &change_clone($cdom,$cnum,$changes->{'courseinfo'}{'cloners'},
 1594:                                   \@oldcloner);
 1595:                 }
 1596:             }
 1597:         }
 1598:         if (@delkeys) {
 1599:             if (&Apache::lonnet::del('environment',\@delkeys,$cdom,$cnum) ne 'ok') {
 1600:                 $output .= '<br /><span class="LC_error">';
 1601:                 if ($crstype eq 'Community') {
 1602:                     $output .= &mt('An error occurred when removing community settings which are no longer in use.');
 1603:                 } else {
 1604:                     $output .= &mt('An error occurred when removing course settings which are no longer in use.');
 1605:                 }
 1606:                 $output .= '</span>';
 1607:             } else {
 1608:                 foreach my $key (@delkeys) {
 1609:                     &Apache::lonnet::delenv('course.'.$cdom.'_'.$cnum.'.'.$key);
 1610:                 }
 1611:             }
 1612:         }
 1613:         if (@need_env_update) {
 1614:             $chome = &Apache::lonnet::homeserver($cnum,$cdom);
 1615:             &update_env($cnum,$cdom,$chome,\@need_env_update,\%storehash);
 1616:         }
 1617:         &Apache::lonnet::coursedescription($env{'request.course.id'},
 1618:                                            {'freshen_cache' => 1});
 1619:     } else {
 1620:         $output = '<span class="LC_error">';
 1621:         if ($crstype eq 'Community') {
 1622:             $output .= &mt('An error occurred when saving changes to community settings, which remain unchanged.');
 1623:         } else {          
 1624:             $output .= &mt('An error occurred when saving changes to course settings, which remain unchanged.');
 1625:         }
 1626:         $output .= '</span>';
 1627:     }
 1628:     return $output;
 1629: }
 1630: 
 1631: sub update_env {
 1632:     my ($cnum,$cdom,$chome,$need_env_update,$storehash)  = @_;
 1633:     my $count = 0;
 1634:     if ((ref($need_env_update) eq 'ARRAY') && (ref($storehash) eq 'HASH')) {    
 1635:         my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
 1636:         if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
 1637:             foreach my $key (@{$need_env_update}) {
 1638:                 if ($key eq 'description' && defined($storehash->{$key})) {
 1639:                     &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.description' => $storehash->{$key}});
 1640:                     $crsinfo{$env{'request.course.id'}}{'description'} = $storehash->{$key};
 1641:                     $count ++;
 1642:                 } elsif (($key eq 'cloners') || ($key eq 'hidefromcat') || ($key eq 'categories')) {
 1643:                     &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash->{$key}});
 1644:                     $crsinfo{$env{'request.course.id'}}{$key} = $storehash->{$key};
 1645:                     $count ++;
 1646:                 } elsif ($key eq 'co-owners') {
 1647:                     if ($storehash->{'internal.co-owners'} ne '') {
 1648:                         &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.internal.co-owners' => $storehash->{'internal.co-owners'}});
 1649:                     }
 1650:                     if ($storehash->{'internal.pendingco-owners'} ne '') {
 1651:                         &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.internal.pendingco-owners' => $storehash->{'internal.pendingco-owners'}});
 1652:                     }
 1653:                     my @coowners = split(',',$storehash->{'internal.'.$key});
 1654:                     $crsinfo{$env{'request.course.id'}}{'co-owners'} = \@coowners;
 1655:                     $count ++;
 1656:                 }
 1657:             }
 1658:             if ($count) {
 1659:                 my $putresult = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
 1660:             }
 1661:         }
 1662:     }
 1663:     return;
 1664: }
 1665: 
 1666: sub display_disallowed {
 1667:     my ($item,$disallowed,$prefs,$crstype) = @_;
 1668:     my $output;
 1669:     if ((ref($disallowed) eq 'HASH') && (ref($prefs) eq 'HASH')) {
 1670:         if (keys(%{$disallowed})) {
 1671:             if ($item eq 'cloners') {
 1672:                 my @fails;
 1673:                 my %lt = &Apache::lonlocal::texthash (
 1674:                                  format  => 'Invalid format',
 1675:                                  domain  => 'Domain does not exist',
 1676:                                  newuser => 'LON-CAPA user(s) do(es) not exist.',
 1677:                          );
 1678:                 foreach my $error ('format','domain','newuser') {
 1679:                     if (defined($disallowed->{$error})) {
 1680:                         my $msg = '<b>'.$disallowed->{$error}.'</b>, '.&mt('reason').' - '.
 1681:                                   $lt{$error}; 
 1682:                         if ($error eq 'newuser') {
 1683:                             $msg .= '<br />'.&mt("Please [_1]add the user(s)[_2] before returning to the [_3]$crstype Configuration[_2] to add as potential cloners.",'<a href="/adm/createuser">','</a>','<a href="/adm/courseprefs">');
 1684:                         }
 1685:                         push(@fails,$msg);
 1686:                     }
 1687:                 }
 1688:                 if (@fails) {
 1689:                     $output .= '<span class="LC_warning">'.&mt('Unable to add to allowed cloners: ').
 1690:                                '</span>'.join(';&nbsp;&nbsp;',@fails).'.<br />';
 1691:                 }
 1692:             } elsif ($item eq 'rolenames') {
 1693:                 my %lt = &Apache::lonlocal::texthash (
 1694:                     replacements => 'Name already used to replace a different standard role name',
 1695:                     regulars     => 'Name already used as a standard role name',
 1696:                     customrole   => 'Name already used as the name of a custom role',
 1697:                 );
 1698:                 my @fails;
 1699:                 foreach my $error ('replacements','regulars','customrole') {
 1700:                     if (ref($disallowed->{$error}) eq 'ARRAY') {
 1701:                         push(@fails,'<b>'.join(', ',@{$disallowed->{$error}}).
 1702:                                     '</b>, '.&mt('reason').' - '.$lt{'error'});
 1703:                     }
 1704:                 }
 1705:                 if (@fails) {
 1706:                     $output .= '<span class="LC_warning">'.
 1707:                                &mt('Unable to include amongst replacements for role names: ').
 1708:                                '</span>'.join(';&nbsp;&nbsp;',@fails).'.<br />';
 1709:                 }
 1710: 
 1711:             } elsif (($item eq 'feedback') || ($item eq 'discussion') || ($item eq 'localization')) {
 1712:                 $output .= '<span class="LC_warning">';
 1713:                 if ($item eq 'feedback') {
 1714:                     if ($crstype eq 'Community') {
 1715:                         $output .= &mt('Unable to include as a recipient of community feedback for:');
 1716:                     } else {
 1717:                         $output .= &mt('Unable to include as a recipient of course feedback for:');
 1718:                     }
 1719:                 } elsif ($item eq 'discussion') {
 1720:                     $output .= &mt('Unable to include in user-based access control for:');
 1721:                 } elsif ($item eq 'localization') {
 1722:                     if ($crstype eq 'Community') {
 1723:                         $output .= &mt('Unable to include in community localization:');
 1724:                     } else {
 1725:                         $output .= &mt('Unable to include in course localization:');
 1726:                     }
 1727:                 }
 1728:                 $output .= '</span><ul>';
 1729:                 foreach my $key (sort(keys(%{$disallowed}))) {
 1730:                     my $itemtext = $prefs->{$item}{'itemtext'}{$key};
 1731:                     $output .=  '<li><i>'.$itemtext.'</i> - ';
 1732:                     if ($item eq 'localization') {
 1733:                         $output .= &mt('reason - unsupported language: [_1]',
 1734:                                        '<b>'.$disallowed->{$key}.'</b>');
 1735:                     } else {
 1736:                         $output .= &mt('reason - invalid user: [_1]',
 1737:                                        '<b>'.$disallowed->{$key}.'</b>').'</li>';
 1738:                     }
 1739:                 }
 1740:                 $output .= '</ul><br />';
 1741:             }
 1742:         }
 1743:     }
 1744:     return $output;
 1745: }
 1746: 
 1747: sub get_course {
 1748:     my ($courseid) = @_;
 1749:     if (!defined($courseid)) {
 1750:         $courseid = $env{'request.course.id'};
 1751:     }
 1752:     my $cdom=$env{'course.'.$courseid.'.domain'};
 1753:     my $cnum=$env{'course.'.$courseid.'.num'};
 1754:     my $chome=$env{'course.'.$courseid.'.home'};
 1755:     return ($cnum,$cdom,$chome);
 1756: }
 1757: 
 1758: sub get_jscript {
 1759:     my ($cid,$cdom,$phase,$crstype,$settings) = @_;
 1760:     my ($can_toggle_cat,$can_categorize) = &can_modify_catsettings($cdom,$crstype);
 1761:     my ($jscript,$categorize_js,$loncaparev_js,$instcode_js);
 1762:     my $stubrowse_js = &Apache::loncommon::studentbrowser_javascript();
 1763:     my $browse_js = &Apache::loncommon::browser_and_searcher_javascript('parmset');
 1764:     my $cloners_js = &cloners_javascript($phase);
 1765:     my @code_order;
 1766:     if ($crstype ne 'Community') {
 1767:         if (ref($settings) eq 'HASH') {
 1768:             my %codedefaults;
 1769:             &Apache::lonnet::auto_instcode_defaults($cdom,\%codedefaults,
 1770:                                                     \@code_order);
 1771:             if (@code_order > 0) {
 1772:                 if ($phase eq 'display') {
 1773:                     my @actions = &Apache::loncommon::get_env_multiple('form.actions');
 1774:                     if (grep(/^courseinfo$/,@actions)) {
 1775:                         if ($settings->{'cloners'} ne '') {
 1776:                             unless ($settings->{'cloners'} eq '*') {
 1777:                                 my @cloners = split(/,/,$settings->{'cloners'});
 1778:                                 my @standardnames = &Apache::loncommon::get_standard_codeitems();
 1779:                                 my %local_to_standard;
 1780:                                 for (my $i=0; $i<@code_order; $i++) {
 1781:                                     $local_to_standard{$code_order[$i]} = $standardnames[$i];
 1782:                                 }
 1783:                                 foreach my $cloner (@cloners) {
 1784:                                     if (($cloner !~ /^\Q*:\E$match_domain$/) && 
 1785:                                         ($cloner !~ /^$match_username\:$match_domain$/)) {
 1786:                                         foreach my $item (split(/\&/,$cloner)) {
 1787:                                             my ($key,$val) = split(/\=/,$item);
 1788:                                             $val = &unescape($val);
 1789:                                             foreach my $code (@code_order) {
 1790:                                                 if ($key eq $local_to_standard{$code}) {
 1791:                                                     $env{'form.'.$key} = $val;
 1792:                                                 }
 1793:                                             }
 1794:                                         }
 1795:                                     }
 1796:                                 }
 1797:                             }
 1798:                         }
 1799:                     }
 1800:                 }
 1801:                 my @codetitles;
 1802:                 (undef,$instcode_js) =
 1803:                     &Apache::courseclassifier::instcode_selectors($cdom,'display',undef,
 1804:                                                                   \@codetitles);
 1805:                 $instcode_js .= <<ENDSCRIPT;
 1806: function toggleCloners(callerradio) {
 1807:     if (document.getElementById('LC_cloners_instcode')) {
 1808:         if (callerradio.value == 1) {
 1809:             document.getElementById('LC_cloners_instcode').style.display = "block";
 1810:         } else {
 1811:             uncheckOfficialLists();
 1812:             document.getElementById('LC_cloners_instcode').style.display = "none";
 1813:         }
 1814:     }
 1815: }
 1816: 
 1817: if (!document.getElementsByClassName) {
 1818:     function getElementsByClassName(node, classname) {
 1819:         var a = [];
 1820:         var re = new RegExp('(^| )'+classname+'( |$)');
 1821:         var els = node.getElementsByTagName("*");
 1822:         for(var i=0,j=els.length; i<j; i++)
 1823:             if(re.test(els[i].className))a.push(els[i]);
 1824:         return a;
 1825:     }
 1826: }
 1827: 
 1828: function uncheckOfficialLists() {
 1829:     var codepicks;
 1830:     if (document.getElementsByClassName) {
 1831:         codepicks = document.getElementsByClassName('LC_cloners_instcodes');
 1832:     } else {
 1833:         codepicks = getElementsByClassName(document.body,'LC_cloners_instcodes');
 1834:     }
 1835:     if (codepicks.length) {
 1836:         for (var i=0; i<codepicks.length; i++) {
 1837:             codepicks[i].selectedIndex = 0;
 1838:         }
 1839:     }
 1840: }
 1841: 
 1842: ENDSCRIPT
 1843:             }
 1844:         }
 1845:     }
 1846:     if ($can_categorize) {
 1847:         $categorize_js = <<ENDSCRIPT;
 1848: function catsbrowser() {
 1849:     var catswin = null;
 1850:     var url = '/adm/courseprefs?phase=categorizecourse';
 1851:     if (!catswin || catswin.closed) {
 1852:         catswin=window.open(url,'categorieswin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1853:     } else {
 1854:         catswin.focus();
 1855:     }
 1856: }
 1857: ENDSCRIPT
 1858:     }
 1859:     my $loncaparev = $env{'course.'.$cid.'.internal.releaserequired'};
 1860:     if ($loncaparev) {
 1861:         $loncaparev_js = <<ENDSCRIPT;
 1862: function loncaparevinfo() {
 1863:     var lcrevwin = null;
 1864:     var url = '/adm/courseprefs?phase=releaseinfo';
 1865:     if (!lcrevwin || lcrevwin.closed) {
 1866:         lcrevwin=window.open(url,'releasewin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1867:     } else {
 1868:         lcrevwin.focus();
 1869:     }
 1870: }
 1871: ENDSCRIPT
 1872:     }
 1873:     my $cnum = $env{'course.'.$cid.'.num'};
 1874:     my $syllabus_js = <<ENDSCRIPT;
 1875: function syllabusinfo() {
 1876:     var syllwin = null;
 1877:     var url = '/public/$cdom/$cnum/syllabus?only_body=1';
 1878:     if (!syllwin || syllwin.closed) {
 1879:         syllwin=window.open(url,'syllabuswin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1880:     } else {
 1881:         syllwin.focus();
 1882:     }
 1883: }
 1884: ENDSCRIPT
 1885:     $jscript = '<script type="text/javascript" language="Javascript">'."\n".
 1886:                '// <![CDATA['."\n".  
 1887:                $browse_js."\n".$categorize_js."\n".$loncaparev_js."\n".
 1888:                $cloners_js."\n".$instcode_js.
 1889:                $syllabus_js."\n".'//]]>'."\n".
 1890:                '</script>'."\n".$stubrowse_js."\n";
 1891:     return $jscript;
 1892: }
 1893: 
 1894: sub cloners_javascript {
 1895:     my ($formname) = @_;
 1896:     return <<"ENDSCRIPT";
 1897: 
 1898: function update_cloners(caller,num) {
 1899:     var delidx = getIndexByName('cloners_delete');
 1900:     var actidx = getIndexByName('cloners_activate');
 1901:     if (caller == 'cloners_all') {
 1902:         var selall;
 1903:         for (var i=0; i<document.$formname.cloners_all.length; i++) {
 1904:             if (document.$formname.cloners_all[i].checked) {
 1905:                 selall = document.$formname.cloners_all[i].value;
 1906:             }
 1907:         }
 1908:         if (selall == 1) {
 1909:             if (delidx != -1) {
 1910:                 if (document.$formname.cloners_delete.length) {
 1911:                     for (var j=0; j<document.$formname.cloners_delete.length; j++) {
 1912:                         document.$formname.cloners_delete[j].checked = true;
 1913:                     }
 1914:                 } else {
 1915:                     document.$formname.elements[delidx].checked = true;
 1916:                 }
 1917:             }
 1918:             if (actidx != -1) {
 1919:                 if (document.$formname.cloners_activate.length) {
 1920:                     for (var i=0; i<document.$formname.cloners_activate.length; i++) {
 1921:                         if (document.$formname.cloners_activate[i].value == '0') {
 1922:                             document.$formname.cloners_activate[i].checked = false;
 1923:                         }
 1924:                         if (document.$formname.cloners_activate[i].value == '-1') {
 1925:                             document.$formname.cloners_activate[i].checked = true;
 1926:                         }
 1927:                     }
 1928:                 }
 1929:             }
 1930:             document.$formname.cloners_newdom.selectedIndex = 0;
 1931:         }
 1932:     }
 1933:     if (caller == 'cloners_activate') {
 1934:         if (document.$formname.cloners_activate.length) {
 1935:             for (var j=0; j<document.$formname.cloners_activate.length; j++) {
 1936:                 if (document.$formname.cloners_activate[j].value == num) {
 1937:                     if (document.$formname.cloners_activate[j].checked) {
 1938:                         for (var i=0; i<document.$formname.cloners_all.length; i++) {
 1939:                             if (document.$formname.cloners_all[i].value == '1') {
 1940:                                 document.$formname.cloners_all[i].checked = false;
 1941:                             }
 1942:                             if (document.$formname.cloners_all[i].value == '0') {
 1943:                                 document.$formname.cloners_all[i].checked = true;
 1944:                             }
 1945:                         }
 1946:                     }
 1947:                 }
 1948:             }
 1949:         } else {
 1950:             for (var i=0; i<document.$formname.cloners_all.length; i++) {
 1951:                 if (document.$formname.cloners_all[i].value == '1') {
 1952:                     document.$formname.cloners_all[i].checked = false;
 1953:                 }
 1954:                 if (document.$formname.cloners_all[i].value == '0') {
 1955:                     document.$formname.cloners_all[i].checked = true;
 1956:                 }
 1957:             }
 1958:         }
 1959:     }
 1960:     return;
 1961: }
 1962: 
 1963: function getIndexByName(item) {
 1964:     for (var i=0;i<document.$formname.elements.length;i++) {
 1965:         if (document.$formname.elements[i].name == item) {
 1966:             return i;
 1967:         }
 1968:     }
 1969:     return -1;
 1970: }
 1971: 
 1972: ENDSCRIPT
 1973: }
 1974: 
 1975: 
 1976: sub print_courseinfo {
 1977:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 1978:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 1979:         return;
 1980:     }
 1981:     my ($cathash,$categoriesform,$autocoowner,$clonedefaults,$disabled);
 1982:     if ($noedit) {
 1983:         $disabled = ' disabled="disabled"';
 1984:     }
 1985:     my %domconf = 
 1986:         &Apache::lonnet::get_dom('configuration',
 1987:                                  ['coursecategories','autoenroll','coursedefaults'],$cdom);
 1988:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 1989:         $cathash = $domconf{'coursecategories'}{'cats'};
 1990:         if (ref($cathash) eq 'HASH') {
 1991:             $categoriesform = 
 1992:                 &Apache::loncommon::assign_categories_table($cathash,
 1993:                                                 $settings->{'categories'},$crstype,$disabled)."\n";
 1994:         }
 1995:     }
 1996:     if (ref($domconf{'autoenroll'}) eq 'HASH') {
 1997:         $autocoowner = $domconf{'autoenroll'}{'co-owners'};
 1998:     }
 1999:     my ($currcanclone,@code_order,$cloner_instcode);
 2000:     my %codedefaults;
 2001:     &Apache::lonnet::auto_instcode_defaults($cdom,\%codedefaults,
 2002:                                             \@code_order);
 2003:     if ($settings->{'cloners'}) {
 2004:         unless ($settings->{'cloners'} eq '*') {
 2005:             my @currclone = split(/,/,$settings->{'cloners'});
 2006:             foreach my $item (@currclone) {
 2007:                 unless ($item eq '*') {
 2008:                     if (($item !~ /\:/) && ($item =~ /=/)) {
 2009:                         $cloner_instcode = 1;
 2010:                     }
 2011:                 }
 2012:             }
 2013:         }
 2014:     }
 2015:     if (ref($domconf{'coursedefaults'}) eq 'HASH') {
 2016:         my $canclone = $domconf{'coursedefaults'}{'canclone'};
 2017:         if (ref($canclone) eq 'HASH') {
 2018:             if (ref($canclone->{'instcode'}) eq 'ARRAY') {
 2019:                 if ($settings->{'internal.coursecode'}) {
 2020:                     my @posscodes;
 2021:                     if (@code_order > 0) {
 2022:                         $currcanclone = 'instcode';
 2023:                         foreach my $item (@{$canclone->{'instcode'}}) {
 2024:                             if (grep(/^\Q$item\E$/,@code_order)) {
 2025:                                 push(@posscodes,$item);
 2026:                             }
 2027:                         }
 2028:                         my $codestr = join(' + ',@posscodes);
 2029:                         $clonedefaults = &mt('Default for official courses is to also allow cloning if [_1] match in cloner and cloned.',
 2030:                                              '"<span class="LC_nobreak" style="font-style:italic">'.$codestr.'</span>"').'<br />';
 2031:                     }
 2032:                 }
 2033:             }
 2034:         } elsif ($canclone eq 'domain') {
 2035:             $clonedefaults = &mt('Default is for any course requester in [_1] domain to be able to clone.',
 2036:                                  '<span class="LC_nobreak" style="font-style:italic">'.$cdom.'</span>').'<br />';
 2037:             $currcanclone = 'domain';
 2038:         }
 2039:         if ($clonedefaults) {
 2040:             if ($settings->{'cloners'} ne '') {
 2041:                 $clonedefaults .= '<br />'.&mt('Default does [_1]not[_2] currently apply because values have been set in the course.','<b>','</b>');
 2042:             } else {
 2043:                 $clonedefaults .= &mt('Default is disregarded if [_1]any[_2] values are set here in the course.','<i>','</i>');
 2044:             }
 2045:             $clonedefaults = '<br /><br />'.$clonedefaults;
 2046:         }
 2047:     }
 2048:     if (!defined($categoriesform)) {
 2049:         $categoriesform = &mt('No categories defined in this domain.');
 2050:     }
 2051:     my ($can_toggle_cat,$can_categorize) = &can_modify_catsettings($cdom,$crstype);
 2052:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2053: 
 2054:     my $replace;
 2055:     if ($crstype eq 'Community') {
 2056:         $replace = &mt('To replace the standard title for a course role, enter a title, otherwise leave blank');
 2057:     } else {
 2058:         $replace = &mt('To replace the standard title for a course role, enter a title, otherwise leave blank');
 2059:     }
 2060:     my ($editmap,$editsyllabus);
 2061:     unless ($noedit) {
 2062:         $editmap = ('&nbsp;'x2).
 2063:                    '<a href="javascript:openbrowser'.
 2064:                    "('display','url','sequence')\">".
 2065:                    &mt('Select Map').'</a><br /><span class="LC_warning"> '.
 2066:                    &mt('Modification may make assessment data inaccessible!').
 2067:                    '</span>';
 2068:         $editsyllabus = &mt('[_1]Edit[_2]','<a href="/public/'.$cdom.'/'.$cnum.'/syllabus?forceedit=1">',
 2069:                             '</a>');  
 2070:     }
 2071:     my %items = (
 2072:         'url' => {
 2073:                    text => '<b>'.&mt($itemtext->{'url'}).'</b>'.$editmap,
 2074:                    input => 'textbox',
 2075:                    size  => '55',
 2076:                    advanced => 1
 2077:                  },
 2078:         'description'  => { 
 2079:                    text => '<b>'.&mt($itemtext->{'description'}).'</b>',
 2080:                    input => 'textbox',
 2081:                    size  => '55',
 2082:                           },
 2083:         'owner'        => {
 2084:                    text => '<b>'.&mt($itemtext->{'owner'}).'</b>',
 2085:                           },
 2086:         'co-owners'    => {
 2087:                    text => '<b>'.&mt($itemtext->{'co-owners'}).'</b>',
 2088:                           },
 2089:         'clonedfrom'   => {
 2090:                    text => '<b>'.&mt($itemtext->{'clonedfrom'}).'</b>',
 2091:                           },
 2092:         'courseid'     => { 
 2093:                    text => '<b>'.&mt($itemtext->{'courseid'}).'</b><br />'.'('.
 2094:                            &mt('internal, optional').')',
 2095:                    input => 'textbox',
 2096:                    size  => '25',
 2097:                           },
 2098:         'uniquecode'   => {
 2099:                    text => '<b>'.&mt($itemtext->{'uniquecode'}).'</b>',
 2100:                           },
 2101:         'cloners'      => { 
 2102:                    text => '<b>'.&mt($itemtext->{'cloners'}).'</b><br />'.
 2103:                            &mt('Owner and Coordinators included automatically').
 2104:                            $clonedefaults,
 2105:                    input => 'textbox',
 2106:                    size  => '40'
 2107:                          },
 2108:         'rolenames'  => { 
 2109:                    text  => '<b>'.&mt($itemtext->{'rolenames'}).'</b><br />'.
 2110:                             '('.$replace.')',
 2111:                    input => 'textbox',
 2112:                    size  => '20',
 2113:                    advanced => 1
 2114:                         },
 2115:         'externalsyllabus' => {
 2116:                    text => '<b>'.&mt($itemtext->{'externalsyllabus'}).'</b><br />'.
 2117:                            &mt('(Syllabus type in use)').('&nbsp;' x2).
 2118:                            $editsyllabus,
 2119:                         },
 2120:         'hidefromcat' => {
 2121:                    text => '<b>'.&mt($itemtext->{'hidefromcat'}).'</b><br />'.
 2122:                            ' ('.&mt('included by default if assigned institutional code, or categorized').')',
 2123:                    input => 'radio',
 2124:                          },
 2125:         'categories' => {
 2126:                    text => '<b>'.&mt($itemtext->{'categories'}).'</b> <a href="javascript:catsbrowser()">'.
 2127:                            &mt('Display Categories').'</a>',
 2128:                    input => 'textbox',
 2129:                    size  => '25',
 2130:                         },
 2131:         'loncaparev' => {
 2132:                    text => '<b>'.&mt($itemtext->{'loncaparev'}).'</b>',
 2133:                         },
 2134:         'defaultcredits' => {
 2135:                    text => '<b>'.&mt($itemtext->{'defaultcredits'}).'</b>',
 2136:                         },
 2137:     );
 2138:     my $datatable;
 2139:     my $count = 0;
 2140:     foreach my $item (@{$ordered}) {
 2141:         my $colspan;
 2142:         if ($item eq 'hidefromcat') {
 2143:             next if (!$can_toggle_cat);
 2144:         } elsif ($item eq 'categories') {
 2145:             next if (!$can_categorize);
 2146:         } elsif ($item eq 'uniquecode') {
 2147:             next if (!$env{'course.'.$env{'request.course.id'}.'.internal.uniquecode'});
 2148:         }
 2149:         unless (($item eq 'cloners') || ($item eq 'rolenames')) {
 2150:             $colspan = 2; 
 2151:         }
 2152:         $count ++;
 2153:         if (exists $items{$item}{advanced} && $items{$item}{advanced} == 1) {
 2154:         	$datatable .= &item_table_row_start($items{$item}{text},$count,"advanced",$colspan);
 2155:         } else {
 2156:         	$datatable .= &item_table_row_start($items{$item}{text},$count,undef,$colspan);
 2157:         }
 2158:         if ($items{$item}{input} eq 'radio') {
 2159:             $datatable .= &yesno_radio($item,$settings,undef,undef,undef,$noedit);
 2160:         } elsif ($item eq 'cloners') {
 2161:             my $includeempty = 1;
 2162:             my $num = 0;
 2163:             $datatable .= '</td><td align="right">'.
 2164:                           &Apache::loncommon::start_data_table().
 2165:                           &Apache::loncommon::start_data_table_row().
 2166:                           '<td><span class="LC_nobreak"><label>'.
 2167:                           &mt('Any user in any domain:').
 2168:                           '&nbsp;<input type="radio" name="cloners_all" value="1" ';
 2169:             if ($settings->{$item} eq '*') {
 2170:                 $datatable .= ' checked="checked" ';
 2171:             }
 2172:             $datatable .= 'onchange="javascript:update_cloners('.
 2173:                           "'cloners_all'".');"'.$disabled.' />'.&mt('Yes').'</label>'.
 2174:                           ('&nbsp;'x2).'<label>'.
 2175:                           '<input type="radio" name="cloners_all" value="0" ';
 2176:             if ($settings->{$item} ne '*') {
 2177:                 $datatable .= ' checked="checked" ';
 2178:             }
 2179:             $datatable .= ' onchange="javascript:update_cloners('.
 2180:                           "'cloners_all'".');"'.$disabled.' />'.&mt('No').'</label></td>'.
 2181:                           &Apache::loncommon::end_data_table_row().
 2182:                           &Apache::loncommon::end_data_table().
 2183:                           '<table><tr><td align="left"><b>'.&mt('Or').
 2184:                           '</b></td></tr></table>'.
 2185:                           &Apache::loncommon::start_data_table();
 2186:             my @cloners;
 2187:             if ($settings->{$item} eq '') {
 2188:                 unless ($noedit) {
 2189:                     my $default;
 2190:                     if ($currcanclone eq 'domain') {
 2191:                         $default = '0';
 2192:                     }
 2193:                     $datatable .= &new_cloners_dom_row($cdom,'0',$default);
 2194:                 }
 2195:             } elsif ($settings->{$item} ne '*') {
 2196:                 my @entries = split(/,/,$settings->{$item});
 2197:                 if (@entries > 0) {
 2198:                     foreach my $entry (@entries) {
 2199:                         my ($uname,$udom) = split(/:/,$entry);
 2200:                         if ($udom =~ /^$match_domain$/) {
 2201:                             unless (&Apache::lonnet::domain($udom)) {
 2202:                                 next;
 2203:                             }
 2204:                         } else {
 2205:                             next;
 2206:                         }
 2207:                         if ($uname eq '*') {
 2208:                             $datatable .= 
 2209:                                 &Apache::loncommon::start_data_table_row().
 2210:                                 '<td valign="top" align="left"><span class="LC_nobreak">'.
 2211:                                 &mt('Any user in domain:').'<b>&nbsp;'.$udom.
 2212:                                 '</b><input type="hidden" name="cloners_dom_'.$num.
 2213:                                 '" value="'.$udom.'" /></span><br />'.
 2214:                                 '<span class="LC_nobreak"><label><input type="checkbox" '.
 2215:                                 'name="cloners_delete" value="'.$num.'" onchange="javascript:update_cloners('."'cloners_delete','$num'".');"'.$disabled.' />'.
 2216:                                 &mt('Delete').'</label></span></td>'.
 2217:                                 &Apache::loncommon::end_data_table_row();
 2218:                             $num ++;
 2219:                         } elsif (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
 2220:                             unless (grep(/^\Q$entry\E$/,@cloners)) {
 2221:                                 push(@cloners,$entry);
 2222:                             }
 2223:                         }
 2224:                     }
 2225:                 }
 2226:             }
 2227:             my $add_domtitle = &mt('Any user in additional domain:');
 2228:             if ($settings->{$item} eq '*') {
 2229:                 $add_domtitle = &mt('Any user in specific domain:');
 2230:             } elsif ($settings->{$item} eq '') {
 2231:                 $add_domtitle = &mt('Any user in other domain:');
 2232:             }
 2233:             my $cloners_str = join(',',@cloners);
 2234:             $datatable .= &Apache::loncommon::start_data_table_row().
 2235:                           '<td align="left"><span class="LC_nobreak">'.
 2236:                           $add_domtitle.'</span><br />'.
 2237:                           &Apache::loncommon::select_dom_form('','cloners_newdom',
 2238:                                                               $includeempty,undef,undef,
 2239:                                                               undef,undef,$noedit).
 2240:                           '<input type="hidden" name="cloners_total" value="'.$num.'" />'.
 2241:                           '</td>'.&Apache::loncommon::end_data_table_row().
 2242:                           &Apache::loncommon::end_data_table().
 2243:                           '<table><tr><td align="left"><b>'.&mt('And').
 2244:                           '</b></td></tr></table>'.
 2245:                           &Apache::loncommon::start_data_table().
 2246:                           &Apache::loncommon::start_data_table_row().
 2247:                           '<td align="left">'.
 2248:                           &mt('Specific users').'&nbsp;(<tt>'.
 2249:                           &mt('user:domain,user:domain').'</tt>)<br />'.
 2250:                           &Apache::lonhtmlcommon::textbox($item,$cloners_str,
 2251:                                                           $items{$item}{'size'},$disabled).
 2252:                           '</td>'.&Apache::loncommon::end_data_table_row().
 2253:                           &Apache::loncommon::end_data_table();
 2254:             if (@code_order > 0) {
 2255:                 my (%cat_items,@codetitles,%cat_titles,%cat_order);
 2256:                 my ($jscript,$totcodes,$numtitles,$lasttitle) =
 2257:                     &Apache::courseclassifier::instcode_selectors_data($cdom,'display',
 2258:                                                                        \%cat_items,\@codetitles,
 2259:                                                                        \%cat_titles,\%cat_order);
 2260:                 my $showncodes = 'off';
 2261:                 my $checkedoff = ' checked="checked"';
 2262:                 my $checkedon = '';
 2263:                 if ($cloner_instcode) {
 2264:                     $checkedon = $checkedoff;
 2265:                     $checkedoff = '';
 2266:                     $showncodes = 'on';
 2267:                 }
 2268:                 $datatable .= '<table><tr><td align="left"><b>'.&mt('And').
 2269:                               '</b></td></tr></table>'.
 2270:                               &Apache::loncommon::start_data_table().
 2271:                               &Apache::loncommon::start_data_table_row().
 2272:                               '<td align="left"><span class="LC_nobreak">'.
 2273:                               &mt('Cloning by official course(s) based on course category').('&nbsp;'x2).
 2274:                               '<label>'.
 2275:                               '<input type="radio" name="cloners_instcode" value="1" onclick="toggleCloners(this);"'.$checkedon.$disabled.' />'.&mt('Yes').'</label>'.
 2276:                               ('&nbsp;').
 2277:                               '<label>'.
 2278:                               '<input type="radio" name="cloners_instcode" value="0" onclick="toggleCloners(this);"'.$checkedoff.$disabled.' />'.&mt('No').'</label>'.
 2279:                               &Apache::courseclassifier::build_instcode_selectors($numtitles,
 2280:                                   $lasttitle,\%cat_items,\@codetitles,\%cat_titles,\%cat_order,
 2281:                                   $showncodes,'LC_cloners_instcodes','LC_cloners_instcode',$noedit).
 2282:                               '</td>'.&Apache::loncommon::end_data_table_row().
 2283:                               &Apache::loncommon::end_data_table();
 2284:             }
 2285:         } elsif ($item eq 'rolenames') {
 2286:             $datatable .= '</td><td align="right">'.
 2287:                           &Apache::loncommon::start_data_table();
 2288:             my @roles;
 2289:             if ($crstype eq 'Community') {
 2290:                 @roles = ('co');
 2291:             } else {
 2292:                 @roles = ('cc');
 2293:             }
 2294:             push (@roles,('in','ta','ep','ad','st'));
 2295:             foreach my $role (@roles) {
 2296:                 $datatable .= &Apache::loncommon::start_data_table_row().
 2297:                               '<td align="left"><span class="LC_nobreak">'.
 2298:                               &Apache::lonnet::plaintext($role,$crstype,undef,1).
 2299:                               '</span></td><td align="left">'.
 2300:                               &Apache::lonhtmlcommon::textbox('rolenames_'.$role,
 2301:                                                  $settings->{$role.'.plaintext'},
 2302:                                                  $items{$item}{size},$disabled).'</td>'.
 2303:                               &Apache::loncommon::end_data_table_row();
 2304:             }
 2305:             $datatable .= &Apache::loncommon::end_data_table().'</td>';
 2306:         } elsif ($item eq 'categories') {
 2307:             my $launcher;
 2308:             if ($noedit) {
 2309:                 $launcher = $disabled;
 2310:             } else {
 2311:                 $launcher = 'onfocus="this.blur();javascript:catsbrowser();"';
 2312:             }
 2313:             $datatable .= '<input type="hidden" name="categories" value="'.$settings->{$item}.'" />'.
 2314:                           &Apache::lonhtmlcommon::textbox($item.'_display',$settings->{$item},
 2315:                                                           $items{$item}{size},$launcher);
 2316:         } elsif ($item eq 'owner') {
 2317:             my $owner = $env{'course.'.$env{'request.course.id'}.'.internal.courseowner'};
 2318:             if ($owner =~ /:/) {
 2319:                 my ($ownername,$ownerdom) = split(':',$owner); 
 2320:                 $owner = &Apache::loncommon::plainname($ownername,$ownerdom);
 2321:             } elsif ($owner ne '') {
 2322:                 $owner = &Apache::loncommon::plainname($owner,$cdom);
 2323:             } else {
 2324:                 $owner = &mt('None specified');
 2325:             }
 2326:             $datatable .= $owner;
 2327:         } elsif ($item eq 'clonedfrom') {
 2328:             my $clonesrc = $env{'course.'.$env{'request.course.id'}.'.clonedfrom'};
 2329:             my $clonedfrom = &mt('None');
 2330:             if ($clonesrc =~ m{/$match_domain/$match_courseid}) {
 2331:                 my %clonesrcinfo = &Apache::lonnet::coursedescription($clonesrc);
 2332:                 if ($clonesrcinfo{'description'}) {
 2333:                     $clonedfrom = $clonesrcinfo{'description'}.' '.($clonesrc); 
 2334:                 }
 2335:             }
 2336:             $datatable .= $clonedfrom;
 2337:         } elsif ($item eq 'uniquecode') {
 2338:             my $code = $env{'course.'.$env{'request.course.id'}.'.internal.uniquecode'}; 
 2339:             if ($code) {
 2340:                 $datatable .= $code;
 2341:             }
 2342:         } elsif ($item eq 'co-owners') {
 2343:             my $coowners = $env{'course.'.$env{'request.course.id'}.'.internal.co-owners'};
 2344:             my @currcoown;
 2345:             if ($coowners) {
 2346:                 @currcoown = split(',',$coowners);
 2347:             }
 2348:             if (&Apache::lonnet::is_course_owner($cdom,$cnum)) {
 2349:                 if (($crstype eq 'Course') && ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) && ($autocoowner)) {
 2350:                     $datatable .= &show_autocoowners(@currcoown);
 2351:                 } else {
 2352:                     $datatable .= &coowner_invitations($cnum,$cdom,\@currcoown,$noedit);
 2353:                 }
 2354:             } else {
 2355:                 if (($crstype eq 'Course') && ($env{'course.'.$env{'request.course.id'}.'.internal.coursecode'}) && ($autocoowner)) {
 2356:                     $datatable .= &show_autocoowners(@currcoown);
 2357:                 } else {
 2358:                     $datatable .= &manage_coownership($cnum,$cdom,\@currcoown,$noedit);
 2359:                 }
 2360:             }
 2361:         } elsif ($item eq 'externalsyllabus') {
 2362:             my $external = $env{'course.'.$env{'request.course.id'}.'.externalsyllabus'};
 2363:             my $uploaded = $env{'course.'.$env{'request.course.id'}.'.uploadedsyllabus'};
 2364:             my $minimal =  $env{'course.'.$env{'request.course.id'}.'.minimalsyllabus'};
 2365:             if (($minimal =~/\w/) || ($uploaded =~/\w/)) {
 2366:                 if ($minimal =~/\w/) {
 2367:                     if ($external =~ m{\Q$minimal\E$}) {
 2368:                         undef($external);
 2369:                     }
 2370:                 } elsif ($uploaded =~/\w/) {
 2371:                     if ($external =~ m{\Q$uploaded\E$}) {
 2372:                         undef($external);
 2373:                     }
 2374:                 }
 2375:             } elsif ($external!~/\w/) {
 2376:                 undef($external);
 2377:             }
 2378:             if ($external) {
 2379:                 $datatable .= &mt('External URL');
 2380:             } elsif ($minimal) {
 2381:                 $datatable .= &mt('Minimal template');
 2382:             } elsif ($uploaded) {
 2383:                 $datatable .= &mt('Uploaded file');
 2384:             } else {
 2385:                 $datatable .= &mt('Standard template'); 
 2386:             }
 2387:             $datatable .= ('&nbsp;' x 2).
 2388:                           &mt('[_1]View[_2]',
 2389:                               '<a href="javascript:syllabusinfo();">',
 2390:                               '</a>'); 
 2391:         } elsif ($item eq 'loncaparev') {
 2392:             my $loncaparev = $env{'course.'.$env{'request.course.id'}.'.internal.releaserequired'};
 2393:             my $showreqd;
 2394:             if ($loncaparev) {
 2395:                 $showreqd = &mt('[_1] or newer',$loncaparev).' <a href="javascript:loncaparevinfo()">'.
 2396:                             &mt('Details').'</a>';
 2397:             } else {
 2398:                 $showreqd = &mt('No specific version required');
 2399:             }
 2400:             $datatable .= $showreqd;
 2401:         } else {
 2402:             $datatable .= &Apache::lonhtmlcommon::textbox($item,$settings->{$item},$items{$item}{size},$disabled);
 2403:         }
 2404:         $datatable .= &item_table_row_end();
 2405:     }
 2406:     $$rowtotal += scalar(@{$ordered});
 2407:     return $datatable;
 2408: }
 2409: 
 2410: sub new_cloners_dom_row {
 2411:     my ($newdom,$num,$default) = @_;
 2412:     my ($output,$checkedon,$checkedoff);
 2413:     if ($newdom ne '') {
 2414:         if ($num eq $default) {
 2415:            $checkedon = 'checked="checked" '; 
 2416:         } else {
 2417:            $checkedoff = 'checked="checked" ';
 2418:         }
 2419:         $output .= &Apache::loncommon::start_data_table_row().
 2420:                    '<td valign="top"><span class="LC_nobreak">'.
 2421:                    &mt('Any user in domain:').'&nbsp;<b>'.$newdom.'</b>'.
 2422:                    ('&nbsp;'x2).'<label><input type="radio" '.
 2423:                    'name="cloners_activate" value="'.$num.'" '.$checkedon.
 2424:                    'onchange="javascript:update_cloners('.
 2425:                    "'cloners_activate','$num'".');" />'.
 2426:                    &mt('Yes').'</label>'.('&nbsp;'x2).
 2427:                    '<label><input type="radio" '.
 2428:                    'name="cloners_activate" value="-1" '.$checkedoff.
 2429:                    'onchange="javascript:update_cloners('.
 2430:                    "'cloners_activate','$num'".');" />'.
 2431:                    &mt('No').'</label><input type="hidden" name="cloners_dom_'.
 2432:                    $num.'" value="'.$newdom.'" /></span></td>'.
 2433:                    &Apache::loncommon::end_data_table_row();
 2434:     }
 2435:     return $output;
 2436: }
 2437: 
 2438: sub can_modify_catsettings {
 2439:     my ($dom,$crstype) = @_;
 2440:     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
 2441:     my ($can_toggle_cat,$can_categorize);
 2442:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 2443:         if ($crstype eq 'Community') {
 2444:             if ($domconf{'coursecategories'}{'togglecatscomm'} eq 'comm') {
 2445:                 $can_toggle_cat = 1;
 2446:             }
 2447:             if ($domconf{'coursecategories'}{'categorizecomm'} eq 'comm') {
 2448:                 $can_categorize = 1;
 2449:             }
 2450:         } else {
 2451:             if ($domconf{'coursecategories'}{'togglecats'} eq 'crs') {
 2452:                 $can_toggle_cat = 1;
 2453:             }
 2454:             if ($domconf{'coursecategories'}{'categorize'} eq 'crs') {
 2455:                 $can_categorize = 1;
 2456:             }
 2457:         }
 2458:     }
 2459:     return ($can_toggle_cat,$can_categorize);
 2460: }
 2461: 
 2462: sub assign_course_categories {
 2463:     my ($r,$crstype) = @_;
 2464:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 2465:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 2466:     my $hascats = 0;
 2467:     my $cathash;
 2468:     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
 2469:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 2470:         $cathash = $domconf{'coursecategories'}{'cats'};
 2471:         if (ref($cathash) eq 'HASH') {
 2472:             foreach my $cat (keys(%{$cathash})) {
 2473:                 next if ($cat eq 'instcode::0');
 2474:                 unless ($crstype eq 'Community') {
 2475:                     next if ($cat eq 'communities::0');
 2476:                 }
 2477:                 $hascats ++; 
 2478:             }
 2479:         }
 2480:     }
 2481:     my $catwin_js;
 2482:     if ($hascats) {
 2483:         my $alert;
 2484:         if ($crstype eq 'Community') {
 2485:             $alert = &mt("Use 'Save' in the main window to save community categories");
 2486:         } else {
 2487:             $alert = &mt("Use 'Save' in the main window to save course categories");
 2488:         }
 2489:         &js_escape(\$alert);
 2490:         $catwin_js = <<ENDSCRIPT;
 2491: <script type="text/javascript">
 2492: 
 2493: function updateCategories() {
 2494:     var newcategories = '';
 2495:     var unescapedcats = '';
 2496:     if (document.chgcats.usecategory.length) {
 2497:         for (var i=0; i<document.chgcats.usecategory.length; i++) {
 2498:             if (document.chgcats.usecategory[i].checked == true) {
 2499:                 newcategories = newcategories + document.chgcats.usecategory[i].value + '&';
 2500:                 unescapedcats = unescapedcats + document.chgcats.catname[i].value + ' & ';
 2501:             }
 2502:         }
 2503:         if (newcategories.length > 0) {
 2504:             newcategories = newcategories.slice(0,-1);
 2505:         }
 2506:         if (unescapedcats.length > 0) {
 2507:             unescapedcats = unescapedcats.slice(0,-3);
 2508:         }
 2509:     } else {
 2510:          if (document.chgcats.usecategory.checked == true) {
 2511:              newcategories = document.chgcats.usecategory.value;
 2512:              unescapedcats = document.chgcats.catname.value;
 2513:          }
 2514:     }
 2515:     opener.document.display.categories.value = newcategories;
 2516:     opener.document.display.categories_display.value = unescapedcats;
 2517:     alert("$alert");
 2518:     self.close();
 2519:     return;
 2520: }
 2521: 
 2522: </script>
 2523: ENDSCRIPT
 2524:     } else {
 2525:         my $onload;
 2526:     }
 2527:     my ($crscat,$catcrs,$assign);
 2528:     if ($crstype eq 'Community') {
 2529:         $crscat = 'Community Categories';
 2530:         $catcrs = &mt('Categorize Community');
 2531:         $assign = &mt('Assign one or more categories to this community.')
 2532:     } else {
 2533:         $crscat = 'Course Categories';
 2534:         $catcrs = &mt('Categorize Course');
 2535:         $assign = &mt('Assign one or more categories to this course.')
 2536:     }
 2537:     my $start_page =
 2538:         &Apache::loncommon::start_page($crscat,$catwin_js,
 2539:                                        {'only_body'      => 1,});
 2540:     my $end_page = &Apache::loncommon::end_page();
 2541:     my $categoriesform = '<h3>'.$catcrs.'</h3>';
 2542:     if ($hascats) {
 2543:         my %currsettings =
 2544:             &Apache::lonnet::get('environment',['hidefromcat','categories'],$cdom,$cnum);
 2545:         my $cattable = &Apache::loncommon::assign_categories_table($cathash,
 2546:                                        $currsettings{'categories'},$crstype);
 2547:         if ($cattable eq '') {
 2548:             $categoriesform .= &mt('No suitable categories defined for this course type in this domain.'); 
 2549:         } else {
 2550:             $categoriesform .= $assign.'<br /><br />'.
 2551:                                '<form name="chgcats" action="/adm/courseprefs" method="post">'."\n".
 2552:                                $cattable."\n".
 2553:                                '<br /><input type="button" name="changes" value="'.
 2554:                                &mt('Copy to main window').'" '.
 2555:                                'onclick="javascript:updateCategories()" /></form><br />';
 2556:         }
 2557:     } else {
 2558:         $categoriesform .= &mt('No categories defined in this domain.');
 2559:     }
 2560:     $r->print($start_page.$categoriesform.$end_page);
 2561:     return;
 2562: }
 2563: 
 2564: sub display_loncaparev_constraints {
 2565:     my ($r,$navmap,$loncaparev,$crstype) = @_;
 2566:     my ($reqdmajor,$reqdminor); 
 2567:     my $cid = $env{'request.course.id'};
 2568:     my $cdom = $env{'course.'.$cid.'.domain'};
 2569:     my $cnum = $env{'course.'.$cid.'.num'};
 2570:     my $output;
 2571:     my %lt = &Apache::lonlocal::texthash (
 2572:                                            'all'           => 'all',
 2573:                                            'section/group' =>  'section/group',
 2574:                                            'user'          => 'user',
 2575:                                          );
 2576:     &Apache::lonrelrequtils::init_global_hashes();
 2577:     if (defined($Apache::lonrelrequtils::checkcrstypes{$crstype})) {
 2578:         ($reqdmajor,$reqdminor) = split(/\./,$Apache::lonrelrequtils::checkcrstypes{$crstype});
 2579:         $output .= '<h4>'.&mt('Course type: [_1] requires [_2] or newer',$crstype,
 2580:                               $Apache::lonrelrequtils::checkcrstypes{$crstype}).'</h4>';
 2581:     }
 2582:     my (%fromparam,%rowspan,%bymap,%byresource,@scopeorder,%toshow,%allmaps,
 2583:         %byresponsetype,%bysubmission,%fromblocks,%bycrsrestype);
 2584:     @scopeorder = ('all','section/group','user');
 2585:     my $now = time;
 2586:     my $resourcedata = &Apache::lonparmset::readdata($cnum,$cdom);
 2587:     if (ref($resourcedata) eq 'HASH') {
 2588:         foreach my $key (keys(%{$resourcedata})) {
 2589:             my %found;
 2590:             foreach my $item (keys(%Apache::lonrelrequtils::checkparms)) {
 2591:                 if ($key =~ /(\Q$item\E)$/) {
 2592:                     if (ref($Apache::lonrelrequtils::checkparms{$item}) eq 'ARRAY') {
 2593:                         my $value = $resourcedata->{$key};
 2594:                         if ($item eq 'examcode') {
 2595:                             if (&Apache::lonnet::validCODE($value)) {
 2596:                                 $value = 'valid';
 2597:                             } else {
 2598:                                 $value = '';
 2599:                             }
 2600:                         } elsif ($item eq 'printstartdate') {
 2601:                             if ($value =~ /^\d+$/) {
 2602:                                 if ($value > $now) {
 2603:                                     $value = 'future';
 2604:                                 }
 2605:                             }
 2606:                         } elsif ($item eq 'printenddate') {
 2607:                             if ($value =~ /^\d+$/) {
 2608:                                 if ($value < $now) {
 2609:                                     $value = 'past';
 2610:                                 }
 2611:                             }
 2612:                         }
 2613:                         if (grep(/^\Q$value\E$/,@{$Apache::lonrelrequtils::checkparms{$item}})) {
 2614:                             my $stdtype = &Apache::lonparmset::standard_parameter_types($item);
 2615:                             $found{$item}{'valname'} = &get_param_description($stdtype,$value);
 2616:                             $found{$item}{'rev'} = $Apache::lonnet::needsrelease{'parameter:'.$item.':'.$value.'::'};
 2617:                         }
 2618:                     }
 2619:                 }
 2620:             }
 2621:             foreach my $item (keys(%Apache::lonrelrequtils::checkparmvalsmatch)) {
 2622:                 if (ref($Apache::lonrelrequtils::checkparmvalsmatch{$item}) eq 'ARRAY') {
 2623:                     my $value = $resourcedata->{$key};
 2624:                     foreach my $valuematch (@{$Apache::lonrelrequtils::checkparmvalsmatch{$item}}) {
 2625:                         if ($value =~ /$valuematch/) {
 2626:                             my $stdtype = &Apache::lonparmset::standard_parameter_types($item);
 2627:                             $found{$item}{'valname'} = &get_param_description($stdtype,$value,1);
 2628:                             $found{$item}{'rev'} = 
 2629:                                 $Apache::lonnet::needsrelease{'parameter:'.$item.'::'.$valuematch.':'};
 2630:                             last;
 2631:                         }
 2632:                     }
 2633:                 }
 2634:             }
 2635:             foreach my $item (keys(%Apache::lonrelrequtils::checkparmnamesmatch)) {
 2636:                 my $regexp;
 2637:                 if ($item eq 'maplevelrecurse') {
 2638:                     $regexp = '\.(?:sequence|page)___\(rec\)\.';
 2639:                 }
 2640:                 if ($regexp ne '') {
 2641:                     if ($key =~ /$regexp.*\.(\w+)$/) {
 2642:                         my $name = $1;
 2643:                         my $value = $resourcedata->{$key};
 2644:                         if ($name eq 'type') { 
 2645:                             last unless (($value eq 'problem') || ($value eq 'practice') || ($value eq 'exam') ||
 2646:                                          ($value eq 'survey') || ($value eq 'surveycred') || ($value eq 'anonsurvey') || 
 2647:                                          ($value eq 'anonsurveycred') || ($value eq 'randomizetry') || ($value eq 'library'));
 2648:                         }
 2649:                         my $stdtype = &Apache::lonparmset::standard_parameter_types($name);
 2650:                         $found{$name}{'valname'} = &get_param_description($stdtype,$value);
 2651:                         $found{$name}{'extra'} = &mt('Recursive into sub-folders');
 2652:                         $found{$name}{'rev'} =
 2653:                             $Apache::lonnet::needsrelease{'parameter::::'.$item};
 2654:                     }
 2655:                 }
 2656:             }
 2657:             foreach my $item (keys(%found)) {
 2658:                 my $stdname = &Apache::lonparmset::standard_parameter_names($item);
 2659:                 my $rev = $found{$item}{'rev'};
 2660:                 my $valname = $found{$item}{'valname'};
 2661:                 my $extra = $found{$item}{'extra'};
 2662:                 my ($middle,$scope,$which,$level,$map,$resource);  
 2663:                 my $start = $cid.'.';
 2664:                 if ($key =~ /^\Q$start\E(\[useropt\:($match_username\:$match_domain)\]\.)/) {
 2665:                     $middle = $1;
 2666:                     $which = $2;
 2667:                     $scope = 'user'; 
 2668:                 } elsif ($key =~ /^\Q$start\E(\[(\w+)\]\.)/) {
 2669:                     $middle = $1;
 2670:                     $which = $2;
 2671:                     $scope = 'section/group';
 2672:                 } else {
 2673:                     $scope = 'all';
 2674:                 }
 2675:                 my $what="$stdname=$valname";
 2676:                 if ($extra) {
 2677:                     $what .= "<br/>$extra<br />";
 2678:                 }
 2679:                 if ($key =~ /^\Q$start$middle\E\w+\.\Q$item\E$/) {
 2680:                     $level = 'general';
 2681:                     if ($scope eq 'all') {
 2682:                         if (ref($fromparam{$rev}{$scope}) eq 'ARRAY') {
 2683:                             unless(grep(/^\Q$what\E$/,@{$fromparam{$rev}{$scope}})) {
 2684:                                 push(@{$fromparam{$rev}{$scope}},$what);
 2685:                             }
 2686:                         } else {
 2687:                             push(@{$fromparam{$rev}{$scope}},$what);
 2688:                         }
 2689:                     } else {
 2690:                         if (ref($fromparam{$rev}{$scope}{$which}) eq 'ARRAY') {
 2691:                             unless (grep(/^\Q$what\E$/,@{$fromparam{$rev}{$scope}{$which}})) {
 2692:                                 push(@{$fromparam{$rev}{$scope}{$which}},$what);
 2693:                             }
 2694:                         } else {
 2695:                             push(@{$fromparam{$rev}{$scope}{$which}},$what);
 2696:                         }
 2697:                     }
 2698:                     $rowspan{$rev} ++;
 2699:                 } elsif ($key =~ /^\Q$start$middle\E(.+)___\((all|rec)\).\w+\.\Q$item\E$/) {
 2700:                     $level = 'folder';
 2701:                     $map = $1;
 2702:                     if ($scope eq 'all') {
 2703:                         if (ref($bymap{$map}{$rev}{$scope}) eq 'ARRAY') {
 2704:                             unless(grep(/^\Q$what\E$/,@{$bymap{$map}{$rev}{$scope}})) {
 2705:                                 push(@{$bymap{$map}{$rev}{$scope}},$what);
 2706:                             }
 2707:                         } else {
 2708:                             push(@{$bymap{$map}{$rev}{$scope}},$what);
 2709:                         }
 2710:                     } else {
 2711:                         if (ref($bymap{$map}{$rev}{$scope}{$which}) eq 'ARRAY') {
 2712:                             unless(grep(/^\Q$what\E$/,@{$bymap{$map}{$rev}{$scope}{$which}})) {
 2713:                                 push(@{$bymap{$map}{$rev}{$scope}{$which}},$what);
 2714:                             }
 2715:                         } else {
 2716:                             push(@{$bymap{$map}{$rev}{$scope}{$which}},$what);
 2717:                         }
 2718:                     }
 2719:                 } elsif ($key =~ /^\Q$start$middle\E(.+)\.\w+\.\Q$item\E$/) {
 2720:                     $level = 'resource';
 2721:                     $resource = $1;
 2722:                     if ($scope eq 'all') {
 2723:                         if (ref($byresource{$resource}{$rev}{$scope}) eq 'ARRAY') {
 2724:                             unless(grep(/^\Q$what\E$/,@{$byresource{$resource}{$rev}{$scope}})) {
 2725:                                 push(@{$byresource{$resource}{$rev}{$scope}},$what);
 2726:                             }
 2727:                         } else {
 2728:                             push(@{$byresource{$resource}{$rev}{$scope}},$what);
 2729:                         }
 2730:                     } else {
 2731:                         if (ref($byresource{$resource}{$rev}{$scope}{$which}) eq 'ARRAY') {
 2732:                             unless (grep(/^\Q$what\E$/,@{$byresource{$resource}{$rev}{$scope}{$which}})) {
 2733:                                 push(@{$byresource{$resource}{$rev}{$scope}{$which}},$what);
 2734:                             }
 2735:                         } else {
 2736:                             push(@{$byresource{$resource}{$rev}{$scope}{$which}},$what);
 2737:                         }
 2738:                     }
 2739:                 }
 2740:             }
 2741:         }
 2742:         if (keys(%fromparam)) {
 2743:             $output .= '<h4>'.&mt('Requirements from general settings').'</h4>'.
 2744:                        &Apache::loncommon::start_data_table().
 2745:                        &Apache::loncommon::start_data_table_header_row().
 2746:                        '<th>'.&mt('Release').'</th><th>'.&mt('Scope').'</th>'.
 2747:                        '<th>'.&mt('Extent').'</th><th>'.&mt('Setting').'</th>'.
 2748:                        &Apache::loncommon::end_data_table_header_row();
 2749:             foreach my $rev (keys(%fromparam)) {
 2750:                 my ($major,$minor) = split(/\./,$rev);
 2751:                 ($reqdmajor,$reqdminor) =
 2752:                     &Apache::lonrelrequtils::update_reqd_loncaparev($major,$minor,$reqdmajor,$reqdminor);
 2753:                 $output .=  &Apache::loncommon::start_data_table_row().
 2754:                             '<td rowspan="'.$rowspan{$rev}.'">'.$rev.'</td>';
 2755:                 my $newrow;
 2756:                 foreach my $scope (@scopeorder) {
 2757:                     if (ref($fromparam{$rev}{$scope}) eq 'HASH') {
 2758:                          if ($newrow) {
 2759:                              $output .= &Apache::loncommon::continue_data_table_row();
 2760:                          }
 2761:                          $output .= '<td>'.$lt{$scope}.'</td>';
 2762:                          foreach my $which (sort(keys(%{$fromparam{$rev}{$scope}}))) {
 2763:                              $output .= '<td>'.$which.'</td><td>'.
 2764:                                         join('<br />',@{$fromparam{$rev}{$scope}{$which}}).'</td>';
 2765:                          }
 2766:                          $output .= &Apache::loncommon::end_data_table_row();
 2767:                          $newrow = 1;
 2768:                     } elsif (ref($fromparam{$rev}{$scope}) eq 'ARRAY') {
 2769:                          if ($newrow) {
 2770:                              $output .= &Apache::loncommon::continue_data_table_row();
 2771:                          }
 2772:                          $output .= '<td>'.$lt{$scope}.'</td><td>&nbsp;</td><td>'.
 2773:                                     join('<br />',@{$fromparam{$rev}{$scope}}).'</td>'.
 2774:                                     &Apache::loncommon::end_data_table_row();
 2775:                          $newrow = 1;
 2776:                     }
 2777:                 }
 2778:             }
 2779:             $output .= &Apache::loncommon::end_data_table().'<br />';
 2780:         }
 2781:     }
 2782: 
 2783:     my %comm_blocks =  &Apache::lonnet::dump('comm_block',$cdom,$cnum);
 2784:     my $now = time;
 2785:     if (keys(%comm_blocks) > 0) {
 2786:         foreach my $block (keys(%comm_blocks)) {
 2787:             if ($block =~ /^firstaccess____(.+)$/) {
 2788:                 my $rev = $Apache::lonnet::needsrelease{'course:commblock:timer'};
 2789:                 if (ref($comm_blocks{$block}) eq 'HASH') {
 2790:                     push(@{$fromblocks{'timer'}{$rev}},&unescape($comm_blocks{$block}{'event'}).
 2791:                          ' '.&mt('set by [_1]',
 2792:                                  &Apache::loncommon::plainname(split(/:/,$comm_blocks{$block}{'setter'}))));
 2793:                 }
 2794:                 next;
 2795:             } elsif ($block =~ /^(\d+)____(\d+)$/) {
 2796:                 my ($start,$end) = ($1,$2);
 2797:                 next if ($end < $now);
 2798:             }
 2799:             if (ref($comm_blocks{$block}) eq 'HASH') {
 2800:                 if (ref($comm_blocks{$block}{'blocks'}) eq 'HASH') {
 2801:                     if (ref($comm_blocks{$block}{'blocks'}{'docs'}) eq 'HASH') {
 2802:                         if (keys(%{$comm_blocks{$block}{'blocks'}{'docs'}}) > 0) {
 2803:                             my $rev = $Apache::lonnet::needsrelease{'course:commblock:docs'};
 2804:                             push(@{$fromblocks{'docs'}{$rev}},&unescape($comm_blocks{$block}{'event'}).
 2805:                                  ' '.
 2806:                                  &mt('set by [_1]',
 2807:                                      &Apache::loncommon::plainname(split(/:/,$comm_blocks{$block}{'setter'}))));
 2808:                         }
 2809:                     } elsif ($comm_blocks{$block}{'blocks'}{'printout'} eq 'on') {
 2810:                         my $rev = $Apache::lonnet::needsrelease{'course:commblock:printout'};
 2811:                         push(@{$fromblocks{'printout'}{$rev}},&unescape($comm_blocks{$block}{'event'}).
 2812:                              ' '.
 2813:                              &mt('set by [_1]',
 2814:                                  &Apache::loncommon::plainname(split(/:/,$comm_blocks{$block}{'setter'}))));
 2815: 
 2816:                     }
 2817:                 }
 2818:             }
 2819:         }
 2820:         if (keys(%fromblocks)) {
 2821:             my %lt = (
 2822:                        docs     => 'Content blocking',
 2823:                        printout => 'Printout generation',
 2824:                        timer    => 'Timed quiz trigger',
 2825:                      );
 2826:             $output .= '<h4>'.&mt('Requirements from exam blocking').'</h4>'.
 2827:                        &Apache::loncommon::start_data_table().
 2828:                        &Apache::loncommon::start_data_table_header_row().
 2829:                        '<th>'.&mt('Release').'</th><th>'.&mt('Setting').'</th>'.
 2830:                        '<th>'.&mt('Event(s)').'</th>'.
 2831:                        &Apache::loncommon::end_data_table_header_row();
 2832:             foreach my $type ('docs','printout','timer') {
 2833:                 if (ref($fromblocks{$type}) eq 'HASH') {
 2834:                     foreach my $rev (keys(%{$fromblocks{$type}})) {
 2835:                         my ($major,$minor) = split(/\./,$rev);
 2836:                         ($reqdmajor,$reqdminor) = 
 2837:                             &Apache::lonrelrequtils::update_reqd_loncaparev($major,$minor,$reqdmajor,$reqdminor);
 2838:                         $output .= &Apache::loncommon::start_data_table_row().
 2839:                                    '<td>'.$rev.'</td><td>'.$lt{$type}.'</td><td>';
 2840:                         foreach my $event (sort(@{$fromblocks{$type}{$rev}})) {
 2841:                             $output .= $event.'<br />';
 2842:                         }
 2843:                         $output =~ s{\Q<br />\E$}{};
 2844:                         $output .= '</td>'.&Apache::loncommon::end_data_table_row();
 2845:                     }
 2846:                 }
 2847:             }
 2848:             $output .= &Apache::loncommon::end_data_table().'<br />';
 2849:         }
 2850:     }
 2851: 
 2852:     if (defined($navmap)) {
 2853:         my %anonsubms=&Apache::lonnet::dump('nohist_anonsurveys',$cdom,$cnum);
 2854:         my $rev_anonsurv=$Apache::lonnet::needsrelease{'parameter:type:anonsurvey::'};
 2855:         my %randtrysubms=&Apache::lonnet::dump('nohist_randomizetry',$cdom,$cnum);
 2856:         my $rev_randtry=$Apache::lonnet::needsrelease{'parameter:type:randomizetry::'};
 2857:         my $rev_exttool=$Apache::lonnet::needsrelease{'course:courserestype:exttool'};
 2858:         my $stdtype=&Apache::lonparmset::standard_parameter_types('type');
 2859:         my $stdname=&Apache::lonparmset::standard_parameter_names('type');
 2860:         my $valanon=&get_param_description($stdtype,'anonsurvey');
 2861:         my $valrandtry=&get_param_description($stdtype,'randomizetry');
 2862:         my %checkedrev;
 2863:         foreach my $res ($navmap->retrieveResources(undef,sub { $_[0]->is_problem() || $_[0]->is_tool() },1,0)) {
 2864:             my @parts = @{$res->parts()};
 2865:             my $symb = $res->symb();
 2866:             my $enclosing_map = &Apache::lonnet::declutter($res->enclosing_map_src());
 2867:             if ($res->is_tool()) {
 2868:                 my $rev = $rev_exttool;
 2869:                 $bycrsrestype{$symb}{$rev} = &mt('External Tool');
 2870:                 $allmaps{$enclosing_map} = 1;
 2871:                 next;
 2872:             }
 2873:             foreach my $part (@parts) {
 2874:                 if (exists($anonsubms{$symb."\0".$part})) {
 2875:                     my $rev = $rev_anonsurv;
 2876:                     my $what="$stdname=$valanon";
 2877:                     if (ref($bysubmission{$symb}{$rev}) eq 'ARRAY') {
 2878:                         unless (grep(/^\Q$what\E/,@{$bysubmission{$symb}{$rev}})) {
 2879:                             push(@{$bysubmission{$symb}{$rev}},$what);
 2880:                         }
 2881:                     } else {
 2882:                         push(@{$bysubmission{$symb}{$rev}},$what);
 2883:                     }
 2884:                     $allmaps{$enclosing_map} = 1;
 2885:                     unless ($checkedrev{'anonsurvey'}) {
 2886:                         my ($major,$minor) = split(/\./,$rev);
 2887:                         ($reqdmajor,$reqdminor) =
 2888:                             &Apache::lonrelrequtils::update_reqd_loncaparev($major,$minor,
 2889:                                                                             $reqdmajor,$reqdminor);
 2890:                         $checkedrev{'anonsurvey'} = 1;
 2891:                     }
 2892:                 }
 2893:                 if (exists($randtrysubms{$symb."\0".$part})) {
 2894:                     my $rev = $rev_randtry;
 2895:                     my $what="$stdname=$valrandtry";
 2896:                     if (ref($bysubmission{$symb}{$rev}) eq 'ARRAY') {
 2897:                         unless (grep(/^\Q$what\E/,@{$bysubmission{$symb}{$rev}})) {
 2898:                             push(@{$bysubmission{$symb}{$rev}},$what);
 2899:                         }
 2900:                     } else {
 2901:                         push(@{$bysubmission{$symb}{$rev}},$what);
 2902:                     }
 2903:                     $allmaps{$enclosing_map} = 1;
 2904:                     unless ($checkedrev{'randomizetry'}) {
 2905:                         my ($major,$minor) = split(/\./,$rev);
 2906:                         ($reqdmajor,$reqdminor) =
 2907:                             &Apache::lonrelrequtils::update_reqd_loncaparev($major,$minor,
 2908:                                                                             $reqdmajor,$reqdminor);
 2909:                         $checkedrev{'randomizetry'} = 1;
 2910:                     }
 2911:                 }
 2912:             }
 2913:             my %responses = $res->responseTypes();
 2914:             foreach my $key (keys(%responses)) {
 2915:                 if (exists($Apache::lonrelrequtils::checkresponsetypes{$key})) {
 2916:                     my $rev = $Apache::lonrelrequtils::checkresponsetypes{$key};
 2917:                     unless ($checkedrev{$key}) {
 2918:                         my ($major,$minor) = split(/\./,$rev);
 2919:                         ($reqdmajor,$reqdminor) =
 2920:                             &Apache::lonrelrequtils::update_reqd_loncaparev($major,$minor,
 2921:                                                                             $reqdmajor,$reqdminor);
 2922:                         $checkedrev{$key} = 1;
 2923:                     } 
 2924:                     push(@{$byresponsetype{$symb}{$rev}},$key);
 2925:                     $allmaps{$enclosing_map} = 1;
 2926:                 }
 2927:             }
 2928:         }
 2929:         if (keys(%byresource) > 0) {
 2930:             foreach my $symb (keys(%byresource)) {
 2931:                 my ($map,$resid,$resurl)=&Apache::lonnet::decode_symb($symb);
 2932:                 $allmaps{$map} = 1;
 2933:             }
 2934:         }
 2935:         if (keys(%bymap) > 0) {
 2936:             foreach my $map (keys(%bymap)) {
 2937:                 $allmaps{$map} = 1;
 2938:             }
 2939:         }
 2940:         foreach my $map (keys(%allmaps)) {
 2941:             my $mapres = $navmap->getResourceByUrl($map);
 2942:             if (ref($mapres)) {
 2943:                 my $mapsymb = $mapres->symb();
 2944:                 $toshow{$mapsymb} = 1;
 2945:                 my $pcslist = $mapres->map_hierarchy();
 2946:                 if ($pcslist ne '') {
 2947:                     foreach my $pc (split(/,/,$pcslist)) {
 2948:                         my $res = $navmap->getByMapPc($pc);
 2949:                         if (ref($res)) {
 2950:                             my $symb = $res->symb();
 2951:                             unless ($symb eq '______') {
 2952:                                 $toshow{$symb} = 1;
 2953:                             }
 2954:                         }
 2955:                     }
 2956:                 }
 2957:             }
 2958:         }
 2959:     }
 2960:     my $suppmap = 'supplemental.sequence';
 2961:     my ($suppcount,$supptools,$errors) = (0,0,0);
 2962:     ($suppcount,$supptools,$errors) = &Apache::loncommon::recurse_supplemental($cnum,$cdom,
 2963:                                                       $suppmap,$suppcount,$supptools,$errors);
 2964:     my $mapres_header = '<h4>'.
 2965:                         &mt('Requirements for specific folders or resources').
 2966:                         '</h4>';
 2967:     if ((keys(%toshow) > 0) || (keys(%byresource) > 0) || 
 2968:         (keys(%bysubmission) > 0) || (keys(%byresponsetype))) {
 2969:         $output .= $mapres_header;
 2970:     }
 2971:     my $top_header = '<h3>'.&mt('LON-CAPA version dependencies').'</h3>';
 2972:     my $title = 'Version Constraints';
 2973:     my $start_page =
 2974:         &Apache::loncommon::start_page($title,undef,{'only_body' => 1,});
 2975:     $r->print($start_page.$top_header);
 2976:     if ($output) {
 2977:         $r->print($output);
 2978:         if (defined($navmap) || $supptools) {
 2979:             &show_contents_view($r,$navmap,$cid,\%toshow,\%bymap,\%byresource,\%bysubmission,
 2980:                                 \%byresponsetype,\%bycrsrestype,\@scopeorder,\%lt,$supptools);
 2981:         }
 2982:         $r->print('<br /><br />'); 
 2983:     } else {
 2984:         $r->print('<p class="LC_info">'.
 2985:                   &mt('No version requirements from resource content or settings.').
 2986:                   '</p>'); 
 2987:     }
 2988:     $r->print(&Apache::loncommon::end_page());
 2989:     my ($currmajor,$currminor) = split(/\./,$loncaparev);
 2990:     if (($currmajor != $reqdmajor) || ($currminor != $reqdminor)) {
 2991:         return 1;
 2992:     }
 2993:     return;
 2994: }
 2995: 
 2996: sub show_contents_view {
 2997:     my ($r,$navmap,$cid,$toshow,$bymap,$byresource,$bysubmission,$byresponsetype,
 2998:         $bycrsrestype,$scopeorder,$lt,$supptools) = @_;
 2999:     my $location=&Apache::loncommon::lonhttpdurl("/adm/lonIcons");
 3000:     my $whitespace = '<img src="'.$location.'/whitespace_21.gif" alt="" />';
 3001:     my $showmaincontent;
 3002:     if ((ref($navmap)) &&
 3003:         ((keys(%{$toshow}) > 0) || (keys(%{$byresource}) > 0) ||
 3004:          (keys(%{$bysubmission}) > 0) || (keys(%{$byresponsetype}) > 0) ||
 3005:          (keys(%{$bycrsrestype}) > 0))) {
 3006:         $showmaincontent = 1;
 3007:     }
 3008:     if ($showmaincontent || $supptools) {
 3009:         $r->print(&Apache::loncommon::start_data_table());
 3010:     }
 3011:     if ($showmaincontent) {
 3012:         my $icon = '<img src="'.$location.'/navmap.folder.open.gif" alt="" />';
 3013:         my $topmap = $env{'course.'.$cid.'.url'};
 3014:         $r->print(&Apache::loncommon::start_data_table_header_row().
 3015:                   '<th>'.&mt('Location').'</th><th>'.&mt('Release').'</th>'.
 3016:                   '<th>'.&mt('Attribute/Setting').'</th>'.
 3017:                   &Apache::loncommon::end_data_table_header_row().
 3018:                   &Apache::loncommon::start_data_table_row().
 3019:                   '<td>&nbsp;'.$icon.'&nbsp;'.&mt('Main Content').'</td>');
 3020:         &releases_by_map($r,$bymap,$topmap,$scopeorder,$lt);
 3021:         $r->print(&Apache::loncommon::end_data_table_row());
 3022:         my $it=$navmap->getIterator(undef,undef,undef,1,1,undef);
 3023:         my $curRes;
 3024:         my $depth = 0;
 3025:         my %parent = ();
 3026:         my $startcount = 5;
 3027:         my $lastcontainer = $startcount;
 3028:         while ($curRes = $it->next()) {
 3029:             if ($curRes == $it->BEGIN_MAP()) {
 3030:                 $depth++;
 3031:                 $parent{$depth}= $lastcontainer;
 3032:             }
 3033:             if ($curRes == $it->END_MAP()) {
 3034:                 $depth--;
 3035:                 $lastcontainer = $parent{$depth};
 3036:             }
 3037:             my $indent;
 3038:             for (my $i=0; $i<$depth; $i++) {
 3039:                 $indent.= $whitespace;
 3040:             }
 3041:             if (ref($curRes)) {
 3042:                 my $symb = $curRes->symb();
 3043:                 my $ressymb = $symb;
 3044:                 my $srcf = $curRes->src();
 3045:                 my $title = &Apache::lonnet::gettitle($srcf);
 3046:                 if (($curRes->is_sequence()) || ($curRes->is_page())) {
 3047:                     next unless($toshow->{$symb});
 3048:                     my ($parent,$ind,$url) = &Apache::lonnet::decode_symb($symb);
 3049:                     $icon =  '<img src="'.$location.'/navmap.folder.open.gif" alt="" />';
 3050:                     if ($curRes->is_page()) {
 3051:                         $icon = '<img src="'.$location.'/navmap.page.open.gif" alt="" />';
 3052:                     }
 3053:                     my $rowspan = 1;
 3054:                     if (ref($bymap->{$url}) eq 'HASH') {
 3055:                         $rowspan = scalar(keys(%{$bymap->{$url}}));
 3056:                     }
 3057:                     $r->print(&Apache::loncommon::start_data_table_row().
 3058:                               '<td rowspan="'.$rowspan.'">'.$indent.$icon.'&nbsp;'.$title.'</td>');
 3059:                     &releases_by_map($r,$bymap,$url,$scopeorder,$lt);
 3060:                     $r->print(&Apache::loncommon::end_data_table_row());
 3061:                 } else {
 3062:                     my $rowspan;
 3063:                     if (ref($byresource->{$symb}) eq 'HASH') {
 3064:                         $rowspan += scalar(keys(%{$byresource->{$symb}}));
 3065:                     }
 3066:                     if (ref($bysubmission->{$symb}) eq 'HASH') {
 3067:                         $rowspan += scalar(keys(%{$bysubmission->{$symb}}));
 3068:                     }
 3069:                     if (ref($byresponsetype->{$symb}) eq 'HASH') {
 3070:                         $rowspan += scalar(keys(%{$byresponsetype->{$symb}}));
 3071:                     }
 3072:                     if (ref($bycrsrestype->{$symb}) eq 'HASH') {
 3073:                         $rowspan += scalar(keys(%{$bycrsrestype->{$symb}}));
 3074:                     }
 3075:                     next if (!$rowspan);
 3076:                     $icon = '<img class="LC_contentImage" src="'.$location.'/problem.gif" alt="'.
 3077:                             &mt('Problem').'" />';
 3078:                     $r->print(&Apache::loncommon::start_data_table_row().
 3079:                               '<td rowspan="'.$rowspan.'">'.$indent.$icon.'&nbsp;'.$title.'</td>');
 3080:                     my $newrow;
 3081:                     if (ref($byresource->{$symb}) eq 'HASH') {
 3082:                         foreach my $rev (sort(keys(%{$byresource->{$symb}}))) {
 3083:                             if ($newrow) {
 3084:                                 $r->print(&Apache::loncommon::continue_data_table_row());
 3085:                             }
 3086:                             $r->print('<td valign="middle">'.$rev.'</td><td>');
 3087:                             if (ref($byresource->{$symb}{$rev}) eq 'HASH') {
 3088:                                 $r->print('<table border="0">');
 3089:                                 foreach my $scope (@{$scopeorder}) {
 3090:                                     if (ref($byresource->{$symb}{$rev}{$scope}) eq 'HASH') {
 3091:                                         $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).'</td>');
 3092:                                         foreach my $which (sort(keys(%{$byresource->{$symb}{$rev}{$scope}}))) {
 3093:                                             $r->print('<td>'.$which.'</td><td>'.
 3094:                                                 join('<br />',@{$byresource->{$symb}{$rev}{$scope}{$which}}).
 3095:                                                       '</td>');
 3096:                                         }
 3097:                                         $r->print('</tr>');
 3098:                                     } elsif (ref($byresource->{$symb}{$rev}{$scope}) eq 'ARRAY') {
 3099:                                         $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).'</td>'.
 3100:                                                   '<td>&nbsp;</td><td>'.
 3101:                                                   join('<br />',@{$byresource->{$symb}{$rev}{$scope}}).'</td></tr>');
 3102:                                     }
 3103:                                 }
 3104:                                 $r->print('</table>');
 3105:                             }
 3106:                             $r->print('</td>');
 3107:                             $r->print(&Apache::loncommon::end_data_table_row());
 3108:                             $newrow = 1;
 3109:                         }
 3110:                     }
 3111:                     if (ref($bysubmission->{$symb}) eq 'HASH') {
 3112:                         foreach my $rev (sort(keys(%{$bysubmission->{$symb}}))) {
 3113:                             if ($newrow) {
 3114:                                 $r->print(&Apache::loncommon::continue_data_table_row());
 3115:                             }
 3116:                             $r->print('<td>'.$rev.'</td><td>');
 3117:                             if (ref($bysubmission->{$symb}{$rev}) eq 'ARRAY') {
 3118:                                 $r->print(&mt('Submissions to: ').' '.
 3119:                                          join(', ',@{$bysubmission->{$symb}{$rev}}));
 3120:                             }
 3121:                             $r->print('</td>');
 3122:                             $r->print(&Apache::loncommon::end_data_table_row());
 3123:                             $newrow = 1;
 3124:                         }
 3125:                     }
 3126:                     if (ref($byresponsetype->{$symb}) eq 'HASH') {
 3127:                         foreach my $rev (sort(keys(%{$byresponsetype->{$symb}}))) {
 3128:                             if ($newrow) {
 3129:                                 $r->print(&Apache::loncommon::continue_data_table_row());
 3130:                             }
 3131:                             $r->print('<td>'.$rev.'</td><td>');
 3132:                             if (ref($byresponsetype->{$symb}{$rev}) eq 'ARRAY') {
 3133:                                 $r->print(&mt('Response Type(s): ').' '.
 3134:                                          join('<br />',@{$byresponsetype->{$symb}{$rev}}));
 3135:                             }
 3136:                             $r->print('</td>');
 3137:                         }
 3138:                         $r->print(&Apache::loncommon::end_data_table_row());
 3139:                         $newrow = 1;
 3140:                     }
 3141:                     if (ref($bycrsrestype->{$symb}) eq 'HASH') {
 3142:                         foreach my $rev (sort(keys(%{$bycrsrestype->{$symb}}))) {
 3143:                             if ($newrow) {
 3144:                                 $r->print(&Apache::loncommon::continue_data_table_row());
 3145:                             }
 3146:                             $r->print('<td>'.$rev.'</td><td>'.$bycrsrestype->{$symb}{$rev}.'</td>');
 3147:                         }
 3148:                         $r->print(&Apache::loncommon::end_data_table_row());
 3149:                     }
 3150:                 }
 3151:             }
 3152:         }
 3153:     }
 3154:     if ($supptools) {
 3155:         my $icon = '<img src="'.$location.'/navmap.folder.open.gif" alt="" />';
 3156:         $r->print(&Apache::loncommon::start_data_table_header_row().
 3157:                   '<th>'.&mt('Location').'</th><th>'.&mt('Release').'</th>'.
 3158:                   '<th>'.&mt('Resource Type').'</th>'.
 3159:                   &Apache::loncommon::end_data_table_header_row().
 3160:                   &Apache::loncommon::start_data_table_row().
 3161:                   '<td>&nbsp;'.$icon.'&nbsp;'.&mt('Supplemental Content').'</td>'.
 3162:                   '<td valign="middle">'.
 3163:                   $Apache::lonrelrequtils::exttool{'major'}.'.'.
 3164:                   $Apache::lonrelrequtils::exttool{'minor'}.
 3165:                   '</td><td>'.&mt('[quant,_1,External Tool,External Tools]',
 3166:                                   $supptools).'</td>'.
 3167:                   &Apache::loncommon::end_data_table_row());
 3168:     }
 3169:     if ($showmaincontent || $supptools) {
 3170:         $r->print(&Apache::loncommon::end_data_table());
 3171:     }
 3172:     return;
 3173: }
 3174: 
 3175: sub releases_by_map {
 3176:     my ($r,$bymap,$url,$scopeorder,$lt) = @_;
 3177:     return unless ((ref($bymap) eq 'HASH') && (ref($scopeorder) eq 'ARRAY'));
 3178:     my $newrow = 0; 
 3179:     if (ref($bymap->{$url}) eq 'HASH') {
 3180:         foreach my $rev (sort(keys(%{$bymap->{$url}}))) {
 3181:             if ($newrow) {
 3182:                 $r->print(&Apache::loncommon::end_data_table_row().
 3183:                           &Apache::loncommon::continue_data_table_row());
 3184:             }
 3185:             $r->print('<td valign="middle">'.$rev.'</td><td>');
 3186:             if (ref($bymap->{$url}{$rev}) eq 'HASH') {
 3187:                 $r->print('<table border="0">');
 3188:                 foreach my $scope (@{$scopeorder}) {
 3189:                     if (ref($bymap->{$url}{$rev}{$scope}) eq 'HASH') {
 3190:                         $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).'</td>');
 3191:                         foreach my $which (sort(keys(%{$bymap->{$url}{$rev}{$scope}}))) {
 3192:                             $r->print('<td>'.$which.'</td><td>'.
 3193:                                       join('<br />',@{$bymap->{$url}{$rev}{$scope}{$which}}).
 3194:                                       '</td>');
 3195:                         }
 3196:                         $r->print('</tr>');
 3197:                     } elsif (ref($bymap->{$url}{$rev}{$scope}) eq 'ARRAY') {
 3198:                         $r->print('<tr><td>'.&mt('Setting - scope: [_1]',$lt->{$scope}).
 3199:                                   '</td><td>&nbsp;</td><td>'.
 3200:                                   join('<br />',@{$bymap->{$url}{$rev}{$scope}}).'</td></tr>');
 3201:                     }
 3202:                 }
 3203:                 $r->print('</table>');
 3204:             }
 3205:             $r->print('</td>');
 3206:             $newrow = 1;
 3207:         }
 3208:     } else {
 3209:         $r->print('<td colspan="2">&nbsp;</td>');
 3210:     }
 3211:     return;
 3212: }
 3213: 
 3214: sub get_param_description {
 3215:     my ($stdtype,$value,$regexp) = @_;
 3216:     my ($name,$parammatches,$paramstrings,@possibles);
 3217:     if ($stdtype =~ /^string/) {
 3218:         $paramstrings = &Apache::lonparmset::standard_string_options($stdtype);
 3219:     } elsif ($stdtype eq 'date_interval') {
 3220:         $paramstrings = &Apache::lonparmset::standard_interval_options($stdtype);
 3221:     }
 3222:     if ($regexp) {
 3223:         if ($stdtype =~ /^string/) {
 3224:             $parammatches = &Apache::lonparmset::standard_string_matches($stdtype);
 3225:         } elsif ($stdtype eq 'date_interval') {
 3226:             $parammatches = &Apache::lonparmset::standard_interval_matches($stdtype);
 3227:         }
 3228:         if (ref($parammatches) eq 'ARRAY') {
 3229:             @possibles = @{$parammatches};
 3230:         } else {
 3231:             undef($regexp);
 3232:             $name = $value;
 3233:         }
 3234:     }
 3235:     unless ($regexp) {
 3236:         $name = $value;
 3237:         if (ref($paramstrings) eq 'ARRAY') {
 3238:             @possibles = @{$paramstrings};
 3239:         } else {
 3240:             if (($stdtype eq 'date_start') || ($stdtype eq 'date_end')) {
 3241:                 if ($name == 0) {
 3242:                     $name = &mt('Never');
 3243:                 } elsif (($name ne '') && ($name !~ /\D/)) {
 3244:                     $name = &Apache::lonlocal::locallocaltime($name);
 3245:                 }
 3246:             }
 3247:             return $name;
 3248:         }
 3249:     }
 3250:     foreach my $possibilities (@possibles) {
 3251:         next unless (ref($possibilities) eq 'ARRAY');
 3252:         my $gotregexmatch = '';
 3253:         if ($regexp) {
 3254:             last if ($gotregexmatch);
 3255:             my ($item,$pattern) = @{ $possibilities };
 3256:             if ($value =~ /$pattern/) {
 3257:                 if (ref($paramstrings) eq 'ARRAY') {
 3258:                     foreach my $possibles (@{$paramstrings}) {
 3259:                         next unless (ref($possibles) eq 'ARRAY');
 3260:                         my ($thing,$description) = @{$possibles};
 3261:                         if ($thing eq $item) {
 3262:                             $name = $description;
 3263:                             $gotregexmatch = 1;
 3264:                             last;
 3265:                         }
 3266:                     }
 3267:                     last if ($gotregexmatch);
 3268:                 }
 3269:             }
 3270:         } else {
 3271:             my ($thing,$description) = @{ $possibilities };
 3272:             if ($thing eq $value) {
 3273:                 $name = $description;
 3274:                 last;
 3275:             }
 3276:         }
 3277:     }
 3278:     return $name;
 3279: }
 3280: 
 3281: sub update_releasereq {
 3282:     my $readmap = 1;
 3283:     my $getrelreq = 1;
 3284:     if (ref($modified_courses) eq 'ARRAY') {
 3285:         foreach my $item (@{$modified_courses}) {
 3286:             if (ref($item) eq 'ARRAY') {
 3287:                 my ($cdom,$cnum,$chome,$crstype) = @{$item};
 3288:                 &Apache::lonrelrequtils::modify_course_relreq(undef,undef,$cnum,$cdom,
 3289:                                                               $chome,$crstype,$cdom.'_'.$cnum,
 3290:                                                               $readmap,$getrelreq);
 3291:             }
 3292:         }
 3293:         $modified_courses = [];
 3294:     }
 3295:     undef($registered_cleanup);
 3296:     return;
 3297: }
 3298: 
 3299: sub show_autocoowners {
 3300:     my (@currcoown) = @_;
 3301:     my $output = '<i><span class="LC_nobreak">'.&mt('Co-ownership is set automatically when a Course Coordinator role[_1] is assigned to official course personnel (from institutional data).','</span><br /><span class="LC_nobreak">').'</span></i>';
 3302:     if (@currcoown > 0) { 
 3303:         $output .= '<br />'.&mt('Current co-owners are:').'&nbsp;'.
 3304:                    join(', ',map { &Apache::loncommon::plainname(split(':',$_)); } (@currcoown));
 3305:     } else {
 3306:         $output .= '<br />'.&mt('Currently no co-owners.');
 3307:     } 
 3308:     return $output;
 3309: }
 3310: 
 3311: sub coowner_invitations {
 3312:     my ($cnum,$cdom,$currcoownref,$noedit) = @_;
 3313:     my ($output,@pendingcoown,@othercoords,@currcoown);
 3314:     my $pendingcoowners =
 3315:         $env{'course.'.$env{'request.course.id'}.'.internal.pendingco-owners'};
 3316:     if ($pendingcoowners) {
 3317:         @pendingcoown = split(',',$pendingcoowners);
 3318:     }
 3319:     if (ref($currcoownref) eq 'ARRAY') {
 3320:         @currcoown == @{$currcoownref};
 3321:     }
 3322:     my $disabled;
 3323:     if ($noedit) {
 3324:         $disabled = ' disabled="disabled"';
 3325:     }
 3326:     my $ccrole = 'cc';
 3327:     my %ccroles = &Apache::lonnet::get_my_roles($cnum,$cdom,undef,undef,[$ccrole]);
 3328:     foreach my $key (sort(keys(%ccroles))) {
 3329:         my ($ccname,$ccdom,$role) = split(':',$key);
 3330:         next if ($key eq $env{'user.name'}.':'.$env{'user.domain'}.':'.$ccrole);
 3331:         unless (grep(/^\Q$ccname\E:\Q$ccdom\E$/,@currcoown,@pendingcoown)) {
 3332:             push(@othercoords,$ccname.':'.$ccdom);
 3333:         }
 3334:     }
 3335:     my $coowner_rows = @currcoown + @pendingcoown + @othercoords;
 3336:     if ($coowner_rows) {
 3337:         $output .= &Apache::loncommon::start_data_table();
 3338:         if (@currcoown) {
 3339:             $output .= &Apache::loncommon::start_data_table_row().
 3340:                           '<td><i>'.&mt('Current co-owners').'</i></td><td>';
 3341:             foreach my $person (@currcoown) {
 3342:                 my ($co_uname,$co_dom) = split(':',$person);
 3343:                 $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="coowners" checked="checked" value="'.$person.'"'.$disabled.' />'.&Apache::loncommon::plainname($co_uname,$co_dom).'</label></span>'.('&nbsp;'x2).' ';
 3344:             }
 3345:             $output .= '</td>'.
 3346:                           &Apache::loncommon::end_data_table_row();
 3347:         }
 3348:         if ($pendingcoowners) {
 3349:             $output .= &Apache::loncommon::start_data_table_row().
 3350:                           '<td><i>'.&mt('Invited as co-owners [_1](agreement pending)','<br />').'</i></td><td>';
 3351:             foreach my $person (@pendingcoown) {
 3352:                 my ($co_uname,$co_dom) = split(':',$person);
 3353:                 $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="pendingcoowners" checked="checked" value="'.$person.'"'.$disabled.' />'.&Apache::loncommon::plainname($co_uname,$co_dom).'</label></span>'.('&nbsp;'x2).' ';
 3354:             }
 3355:             $output .= '</td>'.
 3356:                        &Apache::loncommon::end_data_table_row();
 3357:         }
 3358:         if (@othercoords) {
 3359:             $output .= &Apache::loncommon::start_data_table_row().
 3360:                           '<td><i>'.&mt('Invite other Coordinators [_1]to become co-owners','<br />').'</i></td><td>';
 3361:             foreach my $person (@othercoords) {
 3362:                 my ($co_uname,$co_dom) = split(':',$person);
 3363:                 $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="invitecoowners" value="'.$person.'"'.$disabled.' />'.&Apache::loncommon::plainname($co_uname,$co_dom).'</label></span>'.('&nbsp;'x2).' ';
 3364:             }
 3365:             $output .= '</td>'.
 3366:                           &Apache::loncommon::end_data_table_row();
 3367:         }
 3368:         $output .= &Apache::loncommon::end_data_table();
 3369:     } else {
 3370:         $output = &mt('There are no coordinators to select as co-owners');
 3371:     }
 3372:     return $output;
 3373: }
 3374: 
 3375: sub manage_coownership  {
 3376:     my ($cnum,$cdom,$currcoownref,$noedit) = @_;
 3377:     my (@pendingcoown,@currcoown);
 3378:     my $pendingcoowners =
 3379:         $env{'course.'.$env{'request.course.id'}.'.internal.pendingco-owners'};
 3380:     if ($pendingcoowners) {
 3381:         @pendingcoown = split(',',$pendingcoowners);
 3382:     }
 3383:     if (ref($currcoownref) eq 'ARRAY') {
 3384:         @currcoown == @{$currcoownref};
 3385:     }
 3386:     my $disabled;
 3387:     if ($noedit) {
 3388:         $disabled = ' disabled="disabled"';
 3389:     }
 3390:     my ($is_coowner,$is_pending,$output);
 3391:     my $uname = $env{'user.name'};
 3392:     my $udom = $env{'user.domain'};
 3393:     if (grep(/^\Q$uname\E:\Q$udom\E$/,@currcoown)) {
 3394:         $is_coowner = 1;
 3395:     }
 3396:     if (grep(/^\Q$uname\E:\Q$udom\E$/,@pendingcoown)) {
 3397:         $is_pending = 1;
 3398:     }
 3399:     if (@currcoown && ($is_coowner || $is_pending)) {
 3400:         $output = &Apache::loncommon::start_data_table();
 3401:     }
 3402:     if (@currcoown) {
 3403:         if ($is_coowner || $is_pending) { 
 3404:             $output .= &Apache::loncommon::start_data_table().
 3405:                        &Apache::loncommon::start_data_table_row().'<td>';
 3406:         }
 3407:         $output .= &mt('Current co-owners are:').'&nbsp;'.
 3408:                    join(', ', map { &Apache::loncommon::plainname(split(':',$_)); } (@currcoown));  
 3409:         if ($is_coowner || $is_pending) {
 3410:             $output .= '</td>'.&Apache::loncommon::end_data_table_row(); 
 3411:         }
 3412:     }
 3413:     if ($is_coowner || $is_pending) {
 3414:         if (@currcoown) { 
 3415:             $output .= &Apache::loncommon::start_data_table_row().'<td>';
 3416:         }
 3417:         $output .= '<span class="LC_nobreak">';
 3418:         if ($is_coowner) {
 3419:             $output .= &mt('You are currently a co-owner:').'&nbsp;<label><input type="checkbox" name="remove_coowoner" value="'.$uname.':'.$udom.'" />'.&mt('Discontinue?').'</label>';
 3420:         } else {
 3421:             $output .= &mt('The course owner has invited you to become a co-owner:').'&nbsp;<label><input type="radio" name="pending_coowoner" value="accept"'.$disabled.' />'.&mt('Accept?').'</label>'.('&nbsp;'x2).
 3422:                        '<label><input type="radio" name=pending_coowoner" value="decline"'.$disabled.' />'.&mt('Decline?').'</label>';
 3423:         }
 3424:         $output .= '</span>';
 3425:         if (@currcoown) {
 3426:             $output .= '</td>'.&Apache::loncommon::end_data_table_row();
 3427:         }
 3428:     }
 3429:     if (@currcoown && ($is_coowner || $is_pending)) {
 3430:         $output .= &Apache::loncommon::end_data_table();
 3431:     }
 3432:     return $output;
 3433: }
 3434: 
 3435: sub print_localization {
 3436:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$noedit) = @_;
 3437:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 3438:         return;
 3439:     }
 3440:     my %items = (
 3441:         languages => {
 3442:                         text => '<b>'.&mt($itemtext->{'languages'}).'</b><br />'.
 3443:                                 &mt("(overrides individual user preference)"),
 3444:                         input => 'selectbox',
 3445:                      }, 
 3446:         timezone => {
 3447:                         text  => '<b>'.&mt($itemtext->{'timezone'}).'</b>',
 3448:                         input => 'selectbox',
 3449:                     },
 3450:         datelocale  => { 
 3451:                          text => '<b>'.&mt($itemtext->{'datelocale'}).'</b>',
 3452:                          input => 'selectbox',
 3453:                        },
 3454:     );
 3455:     my ($datatable,$disabled);
 3456:     my $count = 0;
 3457:     if ($noedit) {
 3458:         $disabled = ' disabled="disabled"';
 3459:     }
 3460:     foreach my $item (@{$ordered}) {
 3461:         $count ++;
 3462:         my $colspan;
 3463:         unless ($item eq 'languages') {
 3464:             $colspan = 2;
 3465:         }
 3466:         $datatable .= &item_table_row_start($items{$item}{text},$count,undef,$colspan);
 3467:         if ($item eq 'timezone') {
 3468:             my $includeempty = 1;
 3469:             my $timezone = &Apache::lonlocal::gettimezone();
 3470:             $datatable .= 
 3471:                 &Apache::loncommon::select_timezone($item,$timezone,undef,
 3472:                                                     $includeempty,$disabled);
 3473:         } elsif ($item eq 'datelocale') {
 3474:             my $includeempty = 1;
 3475:             my $locale_obj = &Apache::lonlocal::getdatelocale();
 3476:             my $currdatelocale;
 3477:             if (ref($locale_obj)) {
 3478:                 $currdatelocale = $locale_obj->id();
 3479:             }
 3480:             $datatable .= 
 3481:                 &Apache::loncommon::select_datelocale($item,$currdatelocale,
 3482:                                                       undef,$includeempty,$disabled);
 3483:         } else {
 3484:             if ($settings->{$item} eq '') {
 3485:                 unless ($noedit) { 
 3486:                     $datatable .= '</td><td align="right">'.
 3487:                         &Apache::loncommon::select_language('languages_0','',1);
 3488:                 }
 3489:             } else {
 3490:                 my $num = 0;
 3491:                 my @languages = split(/\s*[,;:]\s*/,$settings->{$item});
 3492:                 $datatable .= '</td><td align="right"><br />'.
 3493:                               &Apache::loncommon::start_data_table();
 3494:                 if (@languages > 0) {
 3495:                     my %langchoices = &get_lang_choices();
 3496:                     foreach my $lang (@languages) {
 3497:                         my $showlang = $lang;
 3498:                         if (exists($langchoices{$lang})) {
 3499:                             $showlang = $langchoices{$lang};
 3500:                         }
 3501:                         $datatable .=
 3502:                             &Apache::loncommon::start_data_table_row().
 3503:                             '<td align="left"><span class="LC_nobreak">'.
 3504:                             &mt('Language:').'<b>&nbsp;'.$showlang.
 3505:                             '</b><input type="hidden" name="languages_'.$num.
 3506:                             '" value="'.$lang.'" /></span><br />'.
 3507:                             '<span class="LC_nobreak"><label><input type="checkbox" '.
 3508:                             'name="languages_delete" value="'.$num.'"'.$disabled.' />'.
 3509:                             &mt('Delete').'</label></span></td>'.
 3510:                             &Apache::loncommon::end_data_table_row();
 3511:                             $num ++;
 3512:                     }
 3513:                 }
 3514:                 unless ($noedit) {
 3515:                     $datatable .=
 3516:                               &Apache::loncommon::start_data_table_row().
 3517:                               '<td align="left"><span class="LC_nobreak">'.
 3518:                               &mt('Additional language:'). '</span><br />'.
 3519:                               &Apache::loncommon::select_language('languages_'.$num,'',1).
 3520:                               '<input type="hidden" name="languages_total" value="'.$num.'" />'.
 3521:                               '</td>'.&Apache::loncommon::end_data_table_row();
 3522:                  }
 3523:                  $datatable .= &Apache::loncommon::end_data_table().'<br />';
 3524:             }
 3525:         }
 3526:         $datatable .= &item_table_row_end();
 3527:     }
 3528:     $$rowtotal += scalar(@{$ordered});
 3529:     return $datatable;
 3530: }
 3531: 
 3532: sub get_lang_choices {
 3533:     my %langchoices;
 3534:     foreach my $id (&Apache::loncommon::languageids()) {
 3535:         my $code = &Apache::loncommon::supportedlanguagecode($id);
 3536:         if ($code) {
 3537:             $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
 3538:         }
 3539:     }
 3540:     return %langchoices;
 3541: }
 3542: 
 3543: sub print_feedback {
 3544:     my ($position,$cdom,$settings,$ordered,$itemtext,$rowtotal,$noedit) = @_;
 3545:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 3546:         return;
 3547:     }
 3548:     my %items = (
 3549:         'question.email' => {
 3550:                    text => '<b>'.&mt($itemtext->{'question.email'}).'</b>',
 3551:                    input => 'textbox',
 3552:                    size  => '50',
 3553:                  },
 3554: 
 3555:         'comment.email'  => {
 3556:                    text => '<b>'.&mt($itemtext->{'comment.email'}).'</b>',
 3557:                    input => 'textbox',
 3558:                    size  => '50',
 3559:                  },
 3560: 
 3561:         'policy.email'   => {
 3562:                    text => '<b>'.&mt($itemtext->{'policy.email'}).'</b>',
 3563:                    input => 'textbox',
 3564:                    size  => '50',
 3565:                  },
 3566:     );
 3567:     my $datatable;
 3568:     my $count = 0;
 3569:     my ($cnum) = &get_course();
 3570:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
 3571:     my @sections = sort( { $a <=> $b } keys(%sections));
 3572:     my %lt = &Apache::lonlocal::texthash (
 3573:                                            currone  => 'Current recipient:',
 3574:                                            currmult => 'Current recipients:',
 3575:                                            add      => 'Additional recipient:',
 3576:                                            del      => 'Delete?',
 3577:                                            sec      => 'Sections:',
 3578:                                          );
 3579:     my $disabled;
 3580:     if ($noedit) {
 3581:         $disabled = ' disabled="disabled"';
 3582:     }
 3583:     foreach my $item (@{$ordered}) {
 3584:         $count ++;
 3585:         if ($position eq 'top') {
 3586:         	$datatable .= &item_table_row_start($items{$item}{text},$count);
 3587:         } else {
 3588:         	$datatable .= &item_table_row_start($items{$item}{text}."<br/>(Custom text)",$count, "advanced",2);
 3589:         }
 3590:         if ($position eq 'top') {
 3591:             my $includeempty = 0;
 3592:             $datatable .=  '</td><td align="right">'.
 3593:                            &user_table($cdom,$item,\@sections,
 3594:                                       $settings->{$item},\%lt,$noedit);
 3595:         } else {
 3596:             $datatable .= &Apache::lonhtmlcommon::textbox($item.'.text',
 3597:                               $settings->{$item.'.text'},$items{$item}{size},$disabled);  
 3598:         }
 3599:         $datatable .= &item_table_row_end();
 3600:     }
 3601:     $$rowtotal += scalar(@{$ordered});
 3602:     return $datatable;
 3603: }
 3604: 
 3605: sub user_table {
 3606:     my ($cdom,$item,$sections,$currvalue,$lt,$noedit) = @_;
 3607:     my $output;
 3608:     if ($currvalue eq '') {
 3609:         unless ($noedit) {
 3610:             $output .= &select_recipient($item,'0',$cdom,$sections);
 3611:         }
 3612:     } else {
 3613:         my $num = 0;
 3614:         my @curr = split(/,/,$currvalue);
 3615:         $output .= '<table class="LC_data_table">';
 3616:         my ($currusers);
 3617:         my $disabled;
 3618:         if ($noedit) {
 3619:             $disabled = ' disabled="disabled"';
 3620:         }
 3621:         foreach my $val (@curr) {
 3622:             next if ($val eq '');
 3623:             my ($uname,$udom,$seclist) = ($val =~ /^($match_username):($match_domain)(\(?[^\)]*\)?)$/);
 3624:             my @selsec;
 3625:             if ($seclist) {
 3626:                 $seclist =~ s/(^\(|\)$)//g;
 3627:                 @selsec = split(/\s*;\s*/,$seclist);
 3628:             }
 3629:             $currusers .= '<tr>'.
 3630:                         '<td valign="top"><span class="LC_nobreak">'.
 3631:                         '<label><input type="checkbox" '.
 3632:                         'name="'.$item.'_delete" value="'.$num.'"'.$disabled.' />'.
 3633:                         $lt->{'del'}.'</label>'.
 3634:                         '<input type="hidden" name="'.$item.'_user_'.
 3635:                         $num.'" value="'.$uname.':'.$udom.'" />'.('&nbsp;'x2).
 3636:                         &Apache::loncommon::aboutmewrapper(
 3637:                             &Apache::loncommon::plainname($uname,$udom,'firstname'),
 3638:                             $uname,$udom,'aboutuser');
 3639:             if (ref($sections) eq 'ARRAY') {
 3640:                 if (@{$sections}) {
 3641:                     $currusers.= ('&nbsp;'x3).$lt->{'sec'}.'&nbsp;'.
 3642:                                   &select_sections($item,$num,$sections,
 3643:                                   \@selsec,$noedit);
 3644:                 }
 3645:             }
 3646:             $currusers .= '</span></td></tr>';
 3647:             $num ++;
 3648:         }
 3649:         if ($num) {
 3650:             $output .= '<tr>'.
 3651:                        '<td align="left"><i>';
 3652:             if ($num == 1) {
 3653:                 $output .= $lt->{'currone'};
 3654:             } else {
 3655:                 $output .= $lt->{'currmult'};
 3656:             }
 3657:             $output .= '</i><br />'.
 3658:                           '<table>'.$currusers.'</table></td>'.
 3659:                           '</tr>';
 3660:         }
 3661:         unless ($noedit) {
 3662:             $output .= 
 3663:                   '<tr>'.
 3664:                   '<td align="left"><span class="LC_nobreak"><i>'.
 3665:                   $lt->{'add'}.'</i></span><br />'.
 3666:                   &select_recipient($item,$num,$cdom,$sections).
 3667:                   '<input type="hidden" name="'.$item.'_total" value="'.$num.'" />'.
 3668:                   '</td></tr>';
 3669:         }
 3670:         $output .= '</table>';
 3671:     }
 3672:     return $output;
 3673: }
 3674: 
 3675: sub select_recipient {
 3676:     my ($item,$num,$cdom,$sections,$selected,$includeempty) = @_;
 3677:     my $domform = &Apache::loncommon::select_dom_form($cdom,$item.'_udom_'.$num,$includeempty);
 3678:     my $selectlink =
 3679:         &Apache::loncommon::selectstudent_link('display',$item.'_uname_'.$num,
 3680:                                                $item.'_udom_'.$num,1);
 3681:     my $output = 
 3682:         '<table><tr><td align="center">'.&mt('Username').'<br />'.
 3683:         '<input type="text" name="'.$item.'_uname_'.$num.'" value="" /></td>'.
 3684:         '<td align="center">'.&mt('Domain').'<br />'.$domform.'</td>';
 3685:     if (ref($sections) eq 'ARRAY') {
 3686:         if (@{$sections}) {
 3687:             $output .= '<td align="center">'.&mt('Sections').'<br />'.
 3688:                        &select_sections($item,$num,$sections,$selected).'</td>'; 
 3689:         }
 3690:     }
 3691:     $output .= '<td valign="top">'.
 3692:                $selectlink.'</td></tr></table>';
 3693:     return $output;
 3694: }
 3695: 
 3696: sub select_sections {
 3697:     my ($item,$num,$sections,$selected,$noedit) = @_;
 3698:     my ($output,@currsecs,$allsec,$disabled);
 3699:     if (ref($selected) eq 'ARRAY') {
 3700:         @currsecs = @{$selected};
 3701:     }
 3702:     if (!@currsecs) {
 3703:         $allsec = ' selected="selected"';
 3704:     }
 3705:     if ($noedit) {
 3706:         $disabled = ' disabled="disabled"';
 3707:     }
 3708:     if (ref($sections) eq 'ARRAY') {
 3709:         if (@{$sections}) {
 3710:             my $mult;
 3711:             if (@{$sections} > 1) {
 3712:                 $mult = ' multiple="multiple"';
 3713:                 if (@{$sections} > 3) {
 3714:                     $mult .= ' size="4"';
 3715:                 }
 3716:             }
 3717:             $output = '<select name="'.$item.'_sections_'.$num.'"'.$mult.$disabled.'>'.
 3718:                       ' <option value=""'.$allsec.'>'.&mt('All').'</option>';
 3719:             foreach my $sec (@{$sections}) {
 3720:                 my $is_sel;
 3721:                 if ((@currsecs) && (grep(/^\Q$sec\E$/,@currsecs))) {
 3722:                     $is_sel = 'selected="selected"';
 3723:                 }
 3724:                 $output .= '<option value="'.$sec.'"'.$is_sel.'>'.$sec.'</option>';
 3725:             }
 3726:             $output .= '</select>';
 3727:         }
 3728:     }
 3729:     return $output;
 3730: }
 3731: 
 3732: sub print_discussion {
 3733:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$noedit) = @_;
 3734:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 3735:         return;
 3736:     }
 3737:     my %items = (
 3738:         'plc.roles.denied' => {
 3739:                    text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'plc.roles.denied'}).'</b>'.
 3740:                            &Apache::loncommon::help_open_topic("Course_Disable_Discussion").'</span><br />'.
 3741:                            &mt('(role-based)'),
 3742:                    input => 'checkbox',
 3743:                  },
 3744: 
 3745:         'plc.users.denied'  => {
 3746:                    text => '<b>'.&mt($itemtext->{'plc.users.denied'}).'</b><br />'.
 3747:                            &mt('(specific user(s))'),
 3748:                    input => 'checkbox',
 3749:                  },
 3750: 
 3751:         'pch.roles.denied'   => {
 3752:                    text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'pch.roles.denied'}).'</b>'.
 3753:                            &Apache::loncommon::help_open_topic("Course_Disable_Discussion").'</span><br />'.
 3754:                            &mt('(role-based)'),
 3755:                    input => 'checkbox',
 3756:                  },
 3757: 
 3758:         'pch.users.denied'   => {
 3759:                    text => '<b>'.&mt($itemtext->{'pch.users.denied'}).'</b><br />'.
 3760:                            &mt('(specific user(s))'),
 3761:                    input => 'checkbox',
 3762:                  },
 3763: 
 3764:         'pac.roles.denied' => {
 3765:                    text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'pac.roles.denied'}).'</b>'.
 3766:                            &Apache::loncommon::help_open_topic("Course_Disable_Anonymous_Discussion").'</span><br />'.
 3767:                            &mt('(role-based)'),
 3768:                    input => 'checkbox',
 3769:                  },
 3770: 
 3771:         'pac.users.denied'   => {
 3772:                    text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'pac.users.denied'}).'</b><br />'.
 3773:                            &mt('(specific user(s))'),
 3774:                    input => 'checkbox',
 3775:                  },
 3776: 
 3777:         'allow_limited_html_in_feedback' => {
 3778:                    text => '<b>'.&mt($itemtext->{'allow_limited_html_in_feedback'}).'</b>',
 3779:                    input => 'radio',
 3780:                  },
 3781: 
 3782:         'allow_discussion_post_editing' => {
 3783:                    text => '<b>'.&mt($itemtext->{'allow_discussion_post_editing'}).'</b>',
 3784:                    input => 'checkbox',
 3785:                  },
 3786:         'discussion_post_fonts' => {
 3787:                    text => '<b>'.&mt($itemtext->{'discussion_post_fonts'}).'</b>',
 3788:                    input => 'textbox',
 3789:                    size  => '20',
 3790:                  },
 3791:     );
 3792:     my $datatable;
 3793:     my $count;
 3794:     my ($cnum) = &get_course();
 3795:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
 3796:     my @sections = sort( { $a <=> $b } keys(%sections));
 3797:     my %lt = &Apache::lonlocal::texthash (
 3798:                                           currone  => 'Disallowed:',
 3799:                                           currmult => 'Disallowed:',
 3800:                                           add      => 'Disallow more:',
 3801:                                           del      => 'Delete?',
 3802:                                           sec      => 'Sections:',
 3803:                                          );
 3804:     foreach my $item (@{$ordered}) {
 3805:         $count ++;
 3806:         my $colspan;
 3807:         if ($item eq 'allow_limited_html_in_feedback') {
 3808:             $colspan = 2;
 3809:         } 
 3810:         $datatable .= &item_table_row_start($items{$item}{text},$count,undef,$colspan);
 3811:         if ($item eq 'plc.roles.denied') {
 3812:             $datatable .= '</td><td align="right">'.
 3813:                           '<table>'.&role_checkboxes($cdom,$cnum,$item,$settings,undef,undef,$noedit).
 3814:                           '</table>';
 3815:         } elsif ($item eq 'plc.users.denied') {
 3816:             $datatable .=  '</td><td align="right">'.
 3817:                            &user_table($cdom,$item,undef,
 3818:                                       $settings->{$item},\%lt,$noedit);
 3819:         } elsif ($item eq 'pch.roles.denied') {
 3820:             $datatable .= '</td><td align="right">'.
 3821:                           '<table>'.&role_checkboxes($cdom,$cnum,$item,$settings,undef,undef,$noedit).
 3822:                           '</table>';
 3823:         } elsif ($item eq 'pch.users.denied') {
 3824:             $datatable .= '</td><td align="right">'.
 3825:                           &user_table($cdom,$item,undef,
 3826:                                       $settings->{$item},\%lt,$noedit);
 3827:         } elsif ($item eq 'pac.roles.denied') {
 3828:             $datatable .= '</td><td align="right">'.
 3829:                           '<table>'.&role_checkboxes($cdom,$cnum,$item,$settings,undef,undef,$noedit).
 3830:                           '</table>';
 3831:         } elsif ($item eq 'pac.users.denied') {
 3832:             $datatable .=  '</td><td align="right">'.
 3833:                            &user_table($cdom,$item,undef,
 3834:                                       $settings->{$item},\%lt,$noedit);
 3835:         } elsif ($item eq 'allow_limited_html_in_feedback') {
 3836:             $datatable .= &yesno_radio($item,$settings,undef,undef,undef,$noedit);
 3837:         } elsif ($item eq 'allow_discussion_post_editing') {
 3838:             $datatable .= '</td><td align="right"><br />'.
 3839:                           &Apache::loncommon::start_data_table().
 3840:                           &Apache::loncommon::start_data_table_row().
 3841:                           '<th align="left">'.&mt('Role').'</th><th>'.
 3842:                           &mt('Sections').'</th>'.
 3843:                           &Apache::loncommon::end_data_table_row().
 3844:                           &role_checkboxes($cdom,$cnum,$item,$settings,1,undef,$noedit).
 3845:                           &Apache::loncommon::end_data_table().'<br />';
 3846:         } elsif ($item eq 'discussion_post_fonts') {
 3847:             $datatable .= '</td><td align="right"><br />'.
 3848:                           &Apache::loncommon::start_data_table().
 3849:                           &Apache::loncommon::start_data_table_row().
 3850:                           '<th align="center">'.&mt('Sum of likes/dislikes').'</th>'.
 3851:                           '<th align="center">'.&mt('font-size').'</th>'.
 3852:                           '<th align="center">'.&mt('font-weight').'</th>'.
 3853:                           '<th align="center">'.&mt('font-style').'</th>'.
 3854:                           '<th align="center">'.&mt('Other css').'</th>'. 
 3855:                           &Apache::loncommon::end_data_table_row().
 3856:                           &set_discussion_fonts($cdom,$cnum,$item,$settings,$noedit).
 3857:                           &Apache::loncommon::end_data_table().'<br />';
 3858:         }
 3859:         $datatable .= &item_table_row_end();
 3860:     }
 3861:     $$rowtotal += scalar(@{$ordered});
 3862:     return $datatable;
 3863: }
 3864: 
 3865: sub role_checkboxes {
 3866:     my ($cdom,$cnum,$item,$settings,$showsections,$crstype,$noedit) = @_;
 3867:     my @roles = ('st','ad','ta','ep','in');
 3868:     if ($crstype eq 'Community') {
 3869:         push(@roles,'co');
 3870:     } else {
 3871:         push(@roles,'cc');
 3872:     }
 3873:     my $output;
 3874:     my (@current,@curr_roles,%currsec,@sections);
 3875:     if ($showsections) {
 3876:         my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
 3877:         @sections = sort( { $a <=> $b } keys(%sections));
 3878:     }
 3879:     if (ref($settings) eq 'HASH') {
 3880:         if ($settings->{$item}) {
 3881:             @current = split(',',$settings->{$item});
 3882:             if ($showsections) {
 3883:                 foreach my $role (@current) {
 3884:                     if ($role =~ /:/) {
 3885:                         my ($trole,$sec) = split(':',$role);
 3886:                         push(@curr_roles,$trole);
 3887:                         if (ref($currsec{$trole}) eq 'ARRAY') {
 3888:                             if (!grep(/^\Q$sec\E/,@{$currsec{$trole}})) {
 3889:                                 push(@{$currsec{$trole}},$sec);
 3890:                             }
 3891:                         } else {
 3892:                             $currsec{$trole} = [$sec];
 3893:                         }
 3894:                     } else {
 3895:                         push(@curr_roles,$role);
 3896:                     }
 3897:                 }
 3898:                 @current = @curr_roles;
 3899:             }
 3900:         }
 3901:     }
 3902:     my $numinrow = 3;
 3903:     my $count = 0;
 3904:     my $disabled;
 3905:     if ($noedit) {
 3906:         $disabled = ' disabled="disabled"';  
 3907:     }
 3908:     foreach my $role (@roles) {
 3909:         my $checked = '';
 3910:         if (grep(/^\Q$role\E$/,@current)) {
 3911:             $checked = ' checked="checked" ';
 3912:         }
 3913:         my $plrole=&Apache::lonnet::plaintext($role,$crstype);
 3914:         if ($showsections) {
 3915:             $output .= &Apache::loncommon::start_data_table_row();
 3916:         } else {
 3917:             my $rem = $count%($numinrow);
 3918:             if ($rem == 0) {
 3919:                 if ($count > 0) {
 3920:                     $output .= '</tr>';
 3921:                 }
 3922:                 $output .= '<tr>';
 3923:             }
 3924:         }
 3925:         $output .= '<td align="left"><span class="LC_nobreak"><label><input type="checkbox" name="'.
 3926:                    $item.'" value="'.$role.'"'.$checked.$disabled.'/>&nbsp;'.
 3927:                    $plrole.'</label></span></td>';
 3928:         if ($showsections) {
 3929:             $output .= '<td align="left">'.
 3930:                        &select_sections($item,$role,\@sections,$currsec{$role},$noedit).
 3931:                        '</td></tr>';
 3932:         }
 3933:         $count ++;
 3934:     }
 3935:     my %adv_roles =
 3936:         &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 3937:     my $total = @roles;
 3938:     foreach my $role (sort(keys(%adv_roles))) {
 3939:         if ($role =~ m{^cr/($match_domain)/($match_name)/\w$}) {
 3940:             my $rolename = $3;
 3941:             my $value = 'cr_'.$1.'_'.$2.'_'.$rolename;
 3942:             my $checked = '';
 3943:             if (grep(/^\Q$value\E$/,@current)) {
 3944:                 $checked = ' checked="checked" ';
 3945:             }
 3946:             if ($showsections) {
 3947:                 $output .= &Apache::loncommon::start_data_table_row();
 3948:             } else {
 3949:                 my $rem = $count%($numinrow);
 3950:                 if ($rem == 0) {
 3951:                     if ($count > 0) {
 3952:                         $output .= '</tr>';
 3953:                     }
 3954:                     $output .= '<tr>';
 3955:                 }
 3956:             }
 3957:             $output .= '<td><span class="LC_nobreak"><label><input type="checkbox" name="'.
 3958:                        $item.'" value="'.$value.'"'.$checked.$disabled.' />&nbsp;'.$rolename.
 3959:                        '</label></span></td>';
 3960:             if ($showsections) {
 3961:                 $output .= '<td>'.
 3962:                            &select_sections($item,$role,\@sections,$currsec{$role},$noedit).
 3963:                            '</td>'.&Apache::loncommon::end_data_table_row();
 3964:             }
 3965:             $total ++;
 3966:             $count ++;
 3967:         }
 3968:     }
 3969:     if (!$showsections) {
 3970:         my $rem = $total%($numinrow);
 3971:         my $colsleft = $numinrow - $rem;
 3972:         if ($colsleft > 1 ) {
 3973:             $output .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
 3974:                        '&nbsp;</td>';
 3975:         } elsif ($colsleft == 1) {
 3976:             $output .= '<td class="LC_left_item">&nbsp;</td>';
 3977:         }
 3978:         $output .= '</tr>';
 3979:     }
 3980:     return $output;
 3981: }
 3982: 
 3983: sub set_discussion_fonts {
 3984:     my ($cdom,$cnum,$item,$settings,$noedit) = @_;
 3985:     my ($classorder,$classtitles) = &discussion_vote_classes();
 3986:     my ($styleorder,$styleitems) = &discussion_vote_styles();
 3987:     my $output;
 3988:     if (ref($classorder) eq 'ARRAY') {
 3989:         my $disabled;
 3990:         if ($noedit) {
 3991:             $disabled = ' disabled="disabled"';
 3992:         }
 3993:         foreach my $cat (@{$classorder}) {
 3994:             my %curr = ();
 3995:             ($curr{'size'},$curr{'weight'},$curr{'style'},$curr{'other'}) =
 3996:                 split(/,/,$settings->{'discussion_post_fonts_'.$cat});
 3997:             $output .= &Apache::loncommon::start_data_table_row().
 3998:                        '<td>'.$classtitles->{$cat}.'</td>';
 3999:             if (ref($styleorder) eq 'ARRAY') {
 4000:                 foreach my $item (@{$styleorder}) {
 4001:                     $output .= '<td><span class="LC_nobreak">';
 4002:                     my $selitem = $item;
 4003:                     if ($item eq 'size') {
 4004:                         my ($currsize,$currunit);
 4005:                         if ($curr{'size'} =~ /^(\d+)(px|%)$/) {
 4006:                             ($currsize,$currunit) = ($1,$2);
 4007:                             $curr{'size'} = $currunit;
 4008:                         }
 4009:                         $output .= '<input type="textbox" name="discussion_post_fonts_'.$cat.'_'.$item.'" value="'.$currsize.'" size="5"'.$disabled.' />'.
 4010:                                    '&nbsp;';
 4011:                         $selitem = 'unit';
 4012:                     }
 4013:                     if ((ref($styleitems) eq 'HASH') && (ref($styleitems->{$item}) eq 'ARRAY')) {
 4014:                         $output .= '<select name="discussion_post_fonts_'.$cat.'_'.$selitem.'"'.$disabled.'>';
 4015:                         foreach my $val (@{$styleitems->{$item}}) {
 4016:                             my $sel;
 4017:                             if ($val eq $curr{$item}) {
 4018:                                 $sel = ' selected="selected"';
 4019:                             }
 4020:                             $output .= '<option value="'.$val.'"'.$sel.'>'.$val.'</option>';
 4021:                         }
 4022:                     }
 4023:                 }
 4024:             }
 4025:             $output .= '</span></td><td><input type="textbox" size="10" name="discussion_post_fonts_'.$cat.'_other" value="'.$curr{'other'}.'"'.$disabled.' /></td>';
 4026:        }
 4027:        $output .= &Apache::loncommon::end_data_table_row();
 4028:     }
 4029:     return $output;
 4030: }
 4031: 
 4032: sub discussion_vote_classes {
 4033:     my $classorder = ['twoplus','oneplus','zero','oneminus','twominus'];
 4034:     my %classtitles = &Apache::lonlocal::texthash( 
 4035:                         'twoplus'  => 'Two sigma above mean',
 4036:                         'oneplus'  => 'One sigma above mean',
 4037:                         'zero'     => 'Within one sigma of mean',
 4038:                         'oneminus' => 'One sigma below mean',
 4039:                         'twominus' => 'Two sigma below mean',
 4040:                       );
 4041:     return ($classorder,\%classtitles);
 4042: }
 4043: 
 4044: sub discussion_vote_styles {
 4045:     my $styleorder = ['size','weight','style'];
 4046:     my $styleitems = {
 4047:                          size => ['','px','%','xx-small','x-small','small','medium','large',
 4048:                                   'x-large','xx-large','smaller','larger'],
 4049:                          weight => ['','normal','bold','bolder','lighter','100','200','300','400',
 4050:                                     '500','600','700','800','900'],
 4051:                          style => ['','normal','italic','oblique'],
 4052:                      };
 4053:     return ($styleorder,$styleitems);
 4054: }
 4055: 
 4056: sub print_classlists {
 4057:     my ($position,$cdom,$settings,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 4058:     my @ordered;
 4059:     if ($position eq 'top') {
 4060:         @ordered = ('default_enrollment_start_date',
 4061:                     'default_enrollment_end_date');
 4062:         if ($crstype eq 'Course') {
 4063:             push(@ordered,'defaultcredits');
 4064:         }
 4065:     } elsif ($position eq 'middle') {
 4066:         @ordered = ('nothideprivileged','checkforpriv');
 4067:     } else {
 4068:         @ordered = ('student_classlist_view',
 4069:                     'student_classlist_opt_in',
 4070:                      'student_classlist_portfiles');
 4071:     }
 4072:     my %lt;
 4073: 
 4074:     if ($crstype eq 'Community') {
 4075:         %lt = &Apache::lonlocal::texthash (
 4076:                  disabled => 'No viewable membership list',
 4077:                  section  => "Membership of viewer's section",
 4078:                  all      => 'List of all members',
 4079:               );
 4080:     } else {
 4081:         %lt = &Apache::lonlocal::texthash (
 4082:                  disabled => 'No viewable classlist',
 4083:                  section  => "Classlist of viewer's section",
 4084:                  all      => 'Classlist of all students',
 4085:               );
 4086:     }
 4087: 
 4088:     my %items = (
 4089:         'default_enrollment_start_date' => {
 4090:                    text => '<b>'.&mt($itemtext->{'default_enrollment_start_date'}).'</b>',
 4091:                    input => 'dates',
 4092:                  },
 4093:         'default_enrollment_end_date'  => {
 4094:                    text => '<b>'.&mt($itemtext->{'default_enrollment_end_date'}).'</b>',
 4095:                    input => 'dates',
 4096:                  },
 4097:         'defaultcredits' => {
 4098:                    text => '<b>'.&mt($itemtext->{'defaultcredits'}).'</b>',
 4099:                  },
 4100:               
 4101:         'nothideprivileged'   => {
 4102:                    text => '<b>'.&mt($itemtext->{'nothideprivileged'}).'</b>',
 4103:                    input => 'checkbox',
 4104:                  },
 4105: 
 4106:         'checkforpriv' => {
 4107:                    text => '<b>'.&mt($itemtext->{'checkforpriv'}).'</b>',
 4108:                    input => 'selectbox',
 4109:                  },
 4110: 
 4111:         'student_classlist_view'   => {
 4112:                    text => '<b>'.&mt($itemtext->{'student_classlist_view'}).'</b>',
 4113:                    input => 'selectbox',
 4114:                    options => \%lt,
 4115:                    order => ['disabled','all','section'],
 4116:                  },
 4117:         'student_classlist_opt_in' => {
 4118:                    text => '<b>'.&mt($itemtext->{'student_classlist_opt_in'}).'</b>',
 4119:                    input => 'radio',
 4120:                  },
 4121: 
 4122:         'student_classlist_portfiles' => {
 4123:                    text => '<b>'.&mt($itemtext->{'student_classlist_portfiles'}).'</b>',
 4124:                    input => 'radio',
 4125:                  },
 4126:     );
 4127:     unless (($settings->{'student_classlist_view'} eq 'all') || 
 4128:             ($settings->{'student_classlist_view'} eq 'section')) { 
 4129:         $settings->{'student_classlist_view'} = 'disabled';
 4130:     }
 4131:     return &make_item_rows($cdom,\%items,\@ordered,$settings,$rowtotal,$crstype,'classlists',$noedit);
 4132: }
 4133: 
 4134: sub print_appearance {
 4135:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 4136:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 4137:         return;
 4138:     }
 4139:     my $mathdef;
 4140:     if ($crstype eq 'Community') {
 4141:         $mathdef = &mt("None specified - use member's choice");
 4142:     } else {
 4143:         $mathdef = &mt("None specified - use student's choice");
 4144:     }
 4145:     my %items = (
 4146:         'default_xml_style' => {
 4147:                    text => '<b>'.&mt($itemtext->{'default_xml_style'}).'</b> '.
 4148:                            '<a href="javascript:openbrowser'.
 4149:                            "('display','default_xml_style'".
 4150:                            ",'sty')".'">'.&mt('Select Style File').'</a>',
 4151:                    input => 'textbox',
 4152:                    size => 35,
 4153:                  },
 4154: 
 4155:         'pageseparators'  => {
 4156:                    text => '<b>'.&mt($itemtext->{'pageseparators'}).'</b>',
 4157:                    input => 'radio',
 4158:                  },
 4159:         'disable_receipt_display' => {
 4160:                    text => '<b>'.&mt($itemtext->{'disable_receipt_display'}).'</b>',
 4161:                    input => 'radio',
 4162:                  },
 4163:         'texengine'  => {
 4164:                    text => '<b>'.&mt($itemtext->{'texengine'}).'</b>',
 4165:                    input => 'selectbox',
 4166:                    options => {
 4167:                                 MathJax  => 'MathJax',
 4168:                                 mimetex => &mt('Convert to Images'),
 4169:                                 tth      => &mt('TeX to HTML'),
 4170:                               },
 4171:                    order  => ['MathJax','mimetex','tth'],
 4172:                    nullval => $mathdef,
 4173:                  },
 4174:         'tthoptions' => {
 4175:                    text => '<b>'.&mt($itemtext->{'tthoptions'}).'</b>',
 4176:                    input => 'textbox',
 4177:                    size => 40,
 4178:                  },
 4179:          'uselcmath' => {
 4180:                    text => '<b>'.&mt($itemtext->{'uselcmath'}).'</b>',
 4181:                    input => 'radio',
 4182:                  },
 4183:          'usejsme'  => {
 4184:                    text => '<b>'.&mt($itemtext->{'usejsme'}).'</b>',
 4185:                    input => 'radio',
 4186:                  },
 4187:     );
 4188:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype,'appearance',$noedit);
 4189: }
 4190: 
 4191: sub print_grading {
 4192:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 4193:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 4194:         return;
 4195:     }
 4196:     my %items = (
 4197:         'grading'  => {
 4198:                    text => '<b>'.&mt($itemtext->{'grading'}).'</b>'.
 4199:                            &Apache::loncommon::help_open_topic('GradingOptions'),
 4200:                    input => 'selectbox',
 4201:                    options => {
 4202:                                 standard => &mt('Standard: shows points'),
 4203:                                 categories => &mt('Categories: shows points according to categories'),
 4204:                                 external => &mt('External: shows number of completed parts and totals'),
 4205:                                 externalnototals => &mt('External: shows only number of completed parts'),
 4206:                                 spreadsheet => &mt('Spreadsheet: (with link to detailed scores)'), 
 4207:                               },
 4208:                    order => ['standard','categories','external','externalnototals','spreadsheet'],
 4209:                  },
 4210:         'rndseed' => {
 4211:                    text => '<b>'.&mt($itemtext->{'rndseed'}).'</b>'.
 4212:                            '<span class="LC_warning">'.'<br />'.
 4213:                            &mt('Modifying this will make problems have different numbers and answers!').
 4214:                            '</span>',
 4215:                    input => 'selectbox',
 4216:                    options => {
 4217:                                 '32bit'  => '32bit',
 4218:                                 '64bit'  => '64bit',
 4219:                                 '64bit2' => '64bit2',
 4220:                                 '64bit3' => '64bit3',
 4221:                                 '64bit4' => '64bit4',
 4222:                                 '64bit5' => '64bit5',
 4223:                               },
 4224:                    order => ['32bit','64bit','64bit2','64bit3','64bit4','64bit5'],
 4225:                    advanced => 1
 4226:                  },
 4227:         'receiptalg'  => {
 4228:                    text => '<b>'.&mt($itemtext->{'receiptalg'}).'</b><br />'.
 4229:                            &mt('This controls how receipt numbers are generated'),
 4230:                    input => 'selectbox',
 4231:                    options => {
 4232:                                 receipt  => 'receipt',
 4233:                                 receipt2 => 'receipt2',
 4234:                                 receipt3 => 'receipt3',
 4235:                               },
 4236:                    order => ['receipt','receipt2','receipt3'],
 4237:                    advanced => 1
 4238:                  },
 4239:         'disablesigfigs' => {
 4240:                    text => '<b>'.&mt($itemtext->{'disablesigfigs'}).'</b>',
 4241:                    input => 'radio',
 4242:                  },
 4243:     );
 4244:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype,'grading',$noedit);
 4245: }
 4246: 
 4247: sub print_printouts {
 4248:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 4249:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 4250:         return;
 4251:     }
 4252:     my %items = (
 4253:         problem_stream_switch => {
 4254:             text => '<b>'.&mt($itemtext->{'problem_stream_switch'}).'</b>',
 4255:             input => 'radio',
 4256:                                  },
 4257:         suppress_tries => {
 4258:             text => '<b>'.&mt($itemtext->{'suppress_tries'}).'</b>',
 4259:             input => 'radio',
 4260:                           },
 4261:         default_paper_size => {
 4262:             text => '<b>'.&mt($itemtext->{'default_paper_size'}).'</b>',
 4263:             input => 'selectbox',
 4264:             options => {
 4265:                          Letter    => &mt('Letter').' [8 1/2x11 in]',
 4266:                          Legal     => &mt('Legal').' [8 1/2x14 in]',
 4267:                          Tabloid   => &mt('Tabloid').' [11x17 in]',
 4268:                          Executive => &mt('Executive').' [7 1/2x10 in]',
 4269:                          A2        => &mt('A2').' [420x594 mm]',
 4270:                          A3        => &mt('A3').' [297x420 mm]',
 4271:                          A4        => &mt('A4').' [210x297 mm]',
 4272:                          A5        => &mt('A5').' [148x210 mm]',
 4273:                          A6        => &mt('A6').' [105x148 mm]',
 4274:                        },
 4275:             order => ['Letter','Legal','Tabloid','Executive','A2','A3','A4','A5','A6'],
 4276:             nullval => &mt('None specified'),
 4277:                               },
 4278:         print_header_format => {
 4279:             text => '<b>'.&mt($itemtext->{'print_header_format'}).'</b>',
 4280:             input => 'checkbox',
 4281:                                },
 4282:         disableexampointprint => {
 4283:             text => '<b>'.&mt($itemtext->{'disableexampointprint'}).'</b>',
 4284:             input => 'radio',
 4285:                                  },
 4286:         canuse_pdfforms => {
 4287:             text  => '<b>'.&mt($itemtext->{'canuse_pdfforms'}).'</b>',
 4288:             input => 'selectbox',
 4289:             options => {
 4290:                          1    => &mt('Yes'),
 4291:                          0    => &mt('No'),
 4292:                        },
 4293:             order => ['1','0'],
 4294:             nullval => &mt('None specified - use domain default'),
 4295:                     }
 4296:     );
 4297:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype,'printouts',$noedit);
 4298: }
 4299: 
 4300: sub print_spreadsheet {
 4301:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 4302:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 4303:         return;
 4304:     }
 4305:     my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
 4306:     my %items = (
 4307:         spreadsheet_default_classcalc => {
 4308:             text => '<b>'.&mt($itemtext->{'spreadsheet_default_classcalc'}).'</b> '.
 4309:                     '<span class="LC_nobreak"><a href="javascript:openbrowser'.
 4310:                     "('display','spreadsheet_default_classcalc'".
 4311:                     ",'spreadsheet')".'">'.$SelectSpreadsheetFile.'</a></span>',
 4312:             input => 'textbox',
 4313:                                          },
 4314:         spreadsheet_default_studentcalc => {
 4315:             text => '<b>'.&mt($itemtext->{'spreadsheet_default_studentcalc'}).'</b> '.
 4316:                     '<span class="LC_nobreak"><a href="javascript:openbrowser'.
 4317:                     "('display','spreadsheet_default_calc'".
 4318:                     ",'spreadsheet')".'">'.$SelectSpreadsheetFile.'</a></span>',
 4319:             input => 'textbox',
 4320:                                            },
 4321:         spreadsheet_default_assesscalc => {
 4322:             text => '<b>'.&mt($itemtext->{'spreadsheet_default_assesscalc'}).'</b> '.
 4323:                     '<span class="LC_nobreak"><a href="javascript:openbrowser'.
 4324:                     "('display','spreadsheet_default_assesscalc'".
 4325:                     ",'spreadsheet')".'">'.$SelectSpreadsheetFile.'</a></span>',
 4326:             input => 'textbox',
 4327:                                           },
 4328:         hideemptyrows => {
 4329:             text => '<b>'.&mt($itemtext->{'hideemptyrows'}).'</b>',
 4330:             input => 'radio',
 4331:                          },
 4332:                 );
 4333:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype,'spreadsheet',$noedit);
 4334: }
 4335: 
 4336: sub print_bridgetasks {
 4337:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype,$noedit) = @_;
 4338:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 4339:         return;
 4340:     }
 4341:     my ($stumsg,$msgnote);
 4342:     if ($crstype eq 'Community') {
 4343:         $stumsg = &mt('Send message to member');
 4344:         $msgnote = &mt('Message to member and add to user notes');
 4345:     } else {
 4346:         $stumsg = &mt('Send message to student');
 4347:         $msgnote = &mt('Message to student and add to user notes');
 4348:     }
 4349:     my %items = (
 4350:          task_messages => {
 4351:               text => '<b>'.&mt($itemtext->{'task_messages'}).'</b>',
 4352:               input => 'selectbox',
 4353:               options => {
 4354:                            only_student => $stumsg,
 4355:                            student_and_user_notes_screen => $msgnote,
 4356:                          },
 4357:               order   => ['only_student','student_and_user_notes_screen'],
 4358:               nullval => &mt('No message or record in user notes'),
 4359:                           },
 4360:          task_grading => {
 4361:               text => '<b>'.&mt($itemtext->{'task_grading'}).'</b>',
 4362:               input => 'selectbox',
 4363:               options => {
 4364:                            any => &mt('Grade BTs in any section'),
 4365:                            section => &mt('Grade BTs only in own section')
 4366:                          },
 4367:               order => ['any','section'],
 4368:                          },
 4369:          suppress_embed_prompt => {
 4370:              text => '<b>'.&mt($itemtext->{'suppress_embed_prompt'}).'</b><span class="LC_nobreak">'.
 4371:                      '&nbsp;'.&mt('(applies when current role is student)').'</span>',
 4372:              input => 'radio',
 4373:                                   },
 4374:                 );
 4375:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype,'bridgetasks',$noedit);
 4376: }
 4377: 
 4378: sub print_other {
 4379:     my ($cdom,$settings,$allitems,$rowtotal,$crstype,$noedit) = @_;
 4380:     unless ((ref($settings) eq 'HASH') && (ref($allitems) eq 'ARRAY')) {
 4381:         return;
 4382:     }
 4383:     my @ordered = &get_other_items($cdom,$settings,$allitems);
 4384:     my %items;
 4385:     foreach my $parameter (@ordered) {
 4386:         $items{$parameter} = {
 4387:                                text  => '<b>'.$parameter.'</b>',
 4388:                                input => 'textbox',
 4389:                                size  => '15',
 4390:                              },
 4391:     }
 4392:     push (@ordered,'newp_value');
 4393:     $items{'newp_value'} = {
 4394:                             text  => '<b>'.&mt('Create New Environment Variable').'</b><br />'.
 4395:                                      '<input type="textbox" name="newp_name"'.
 4396:                                      ' value="" size="30" />',
 4397:                             input => 'textbox',
 4398:                             size  => '30',
 4399:                            };
 4400:     my $output = &make_item_rows($cdom,\%items,\@ordered,$settings,$rowtotal,$crstype,'other',$noedit);
 4401: }
 4402: 
 4403: sub get_other_items {
 4404:     my ($cdom,$settings,$allitems) = @_;
 4405:     unless ((ref($settings) eq 'HASH') && (ref($allitems) eq 'ARRAY')) {
 4406:         return;
 4407:     }
 4408:     my @ordered;
 4409:     if (ref($settings) eq 'HASH') {
 4410:         foreach my $parameter (sort(keys(%{$settings}))) {
 4411:             next if (grep/^\Q$parameter\E$/,@{$allitems});
 4412:             next if (($parameter eq 'course.helper.not.run') &&
 4413:                      (!exists($env{'user.role.dc./'.$env{'request.role.domain'}.'/'})));
 4414:             unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./) ||
 4415:                     ($parameter =~ m/^selfenroll_/) || ($parameter =~ /_selfenroll$/)
 4416:                     || ($parameter eq 'type') ||
 4417:                     ($parameter =~ m/^(cc|co|in|ta|ep|ad|st)\.plaintext$/)
 4418:                     || ($parameter =~ m/^discussion_post_fonts/) ||
 4419:                     ($parameter =~ m{^(minimal|updated|uploaded|external)syllabus$}) ||
 4420:                     ($parameter eq 'clonedfrom')) {
 4421:                 push(@ordered,$parameter);
 4422:             }
 4423:         }
 4424:     }
 4425:     return @ordered;
 4426: }
 4427: 
 4428: sub item_table_row_start {
 4429:     my ($text,$count,$add_class,$colspan) = @_;
 4430:     my $output;
 4431:     my $css_class = ($count % 2) ? 'LC_odd_row' : 'LC_even_row';
 4432:     $css_class = (join(' ',$css_class,$add_class)) unless ($add_class eq '');
 4433:     $output .= '<tr class="'.$css_class.'">'."\n".
 4434:                '<td class="LC_left_item">'.$text.
 4435:                '</td>';
 4436:     if ($colspan) {
 4437:         $output .= '<td class="LC_right_item" colspan="'.$colspan.'">';
 4438:     } else {
 4439:         $output .= '<td class="LC_right_item">';
 4440:     }
 4441:     return $output;
 4442: }
 4443: 
 4444: sub item_table_row_end {
 4445:     return '</td></tr>';
 4446: }
 4447: 
 4448: sub yesno_radio {
 4449:     my ($item,$settings,$unsetdefault,$valueyes,$valueno,$noedit) = @_;
 4450:     my $itemon = ' ';
 4451:     my $itemoff = ' checked="checked" ';
 4452:     if (($valueyes eq '') && ($valueno eq '')) {
 4453:         $valueyes = 'yes';
 4454:         $valueno = '';
 4455:     }
 4456:     if (ref($settings) eq 'HASH') {
 4457:         if ($settings->{$item} eq $valueyes) {
 4458:             $itemon = $itemoff;
 4459:             $itemoff = ' ';
 4460:         }
 4461:         unless (exists($settings->{$item})) {
 4462:             if ($unsetdefault eq $valueyes) {
 4463:                 $itemon = $itemoff;
 4464:                 $itemoff = ' ';
 4465:             }
 4466:         }
 4467:     }
 4468:     my $disabled;
 4469:     if ($noedit) {
 4470:         $disabled = ' disabled="disabled"';
 4471:     }
 4472:     return '<span class="LC_nobreak"><label>'.
 4473:            '<input type="radio" name="'.$item.'"'.
 4474:            $itemon.' value="'.$valueyes.'"'.$disabled.' />'.&mt('Yes').'</label>&nbsp;'.
 4475:            '<label><input type="radio" name="'.$item.'"'.
 4476:            $itemoff.' value="'.$valueno.'"'.$disabled.' />'.&mt('No').'</label></span>';
 4477: }
 4478: 
 4479: sub select_from_options {
 4480:     my ($item,$order,$options,$curr,$nullval,$multiple,$maxsize,$onchange,$noedit) = @_;
 4481:     my $output;
 4482:     my $disabled;
 4483:     if ($noedit) {
 4484:         $disabled = ' disabled=disabled"';
 4485:     }
 4486:     if ((ref($order) eq 'ARRAY') && (ref($options) eq 'HASH')) {
 4487:         $output='<select name="'.$item.'" '.$onchange;
 4488:         if ($multiple) {
 4489:             $output .= ' multiple="multiple"';
 4490:             my $num = @{$order};
 4491:             $num ++ if ($nullval ne '');
 4492:             if (($maxsize) && ($maxsize < $num)) {
 4493:                 $output .= ' size="'.$maxsize.'"';
 4494:             }
 4495:         }
 4496:         $output .= $disabled.'>'."\n";
 4497:         if ($nullval ne '') {
 4498:             $output .= '<option value=""';
 4499:             if (ref($curr) eq 'ARRAY') {
 4500:                 if ((@{$curr} == 0) || (grep(/^$/,@{$curr}))) {
 4501:                     $output .= ' selected="selected" ';
 4502:                 }
 4503:             } else {
 4504:                 if ($curr eq '') {
 4505:                     $output .= ' selected="selected" ';
 4506:                 }
 4507:             }
 4508:             $output .= '>'.$nullval.'</option>';
 4509:         }
 4510:         foreach my $option (@{$order}) {
 4511:             $output.= '<option value="'.$option.'"';
 4512:             if (ref($curr) eq 'ARRAY') {
 4513:                 if (grep(/^\Q$option\E$/,@{$curr})) {
 4514:                     $output .= ' selected="selected" ';
 4515:                 }
 4516:             } else {
 4517:                 if ($option eq $curr) {
 4518:                     $output.=' selected="selected"';
 4519:                 }
 4520:             }
 4521:             $output.=">$options->{$option}</option>\n";
 4522:         }
 4523:         $output.="</select>";
 4524:     }
 4525:     return $output;
 4526: }
 4527: 
 4528: sub make_item_rows {
 4529:     my ($cdom,$items,$ordered,$settings,$rowtotal,$crstype,$caller,$noedit) = @_;
 4530:     my $datatable;
 4531:     if ((ref($items) eq 'HASH') && (ref($ordered) eq 'ARRAY')) {
 4532:         my $count = 0;
 4533:         foreach my $item (@{$ordered}) {
 4534:             $count ++;
 4535:             my $colspan;
 4536:             if ((($caller eq 'classlists') && ($item eq 'nothideprivileged')) ||
 4537:                 (($caller eq 'printouts') && ($item ne 'print_header_format'))) {
 4538:                 $colspan = 2;
 4539:             }
 4540:             if (exists $items->{$item}{advanced} && $items->{$item}{advanced} == 1) {
 4541:                 $datatable .= &item_table_row_start($items->{$item}{text},$count,"advanced",$colspan);
 4542:             } else {
 4543:                 $datatable .= &item_table_row_start($items->{$item}{text},$count,undef,$colspan);
 4544:             }
 4545:             if ($item eq 'defaultcredits') {
 4546:                 my $defaultcredits = $env{'course.'.$env{'request.course.id'}.'.internal.defaultcredits'};
 4547:                 my $showcredits;
 4548:                 if ($defaultcredits ne '') {
 4549:                     $showcredits = &mt('Default is [quant,_1,credit]',$defaultcredits);
 4550:                 } else {
 4551:                     $showcredits = &mt('No default set');
 4552:                 }
 4553:                 $datatable .= $showcredits;
 4554:             } elsif ($item eq 'nothideprivileged') {
 4555:                 $datatable .= &nothidepriv_row($cdom,$item,$settings,$crstype,$noedit);
 4556:             } elsif ($item eq 'checkforpriv') {
 4557:                 $datatable .= &checkforpriv_row($cdom,$item,$settings,$crstype,$noedit);
 4558:             } elsif ($item eq 'print_header_format') {
 4559:                 $datatable .= &print_hdrfmt_row($item,$settings,$noedit);
 4560:             } elsif ($items->{$item}{input} eq 'dates') {
 4561:                my $disabled;
 4562:                if ($noedit) {
 4563:                   $disabled = ' disabled="disabled"';
 4564:                }
 4565:                $datatable .=
 4566:                    &Apache::lonhtmlcommon::date_setter('display',$item,
 4567:                                                        $settings->{$item},$disabled);
 4568:             } elsif ($items->{$item}{input} eq 'radio') {
 4569:                 my ($unsetdefault,$valueyes,$valueno);
 4570:                 if (($item eq 'usejsme') || ($item eq 'uselcmath')) {
 4571:                      my %domdefs = &Apache::lonnet::get_domain_defaults($cdom);
 4572:                      unless ($domdefs{$item} eq '0') {
 4573:                          $unsetdefault = 1;
 4574:                      }
 4575:                      $valueyes = "1";
 4576:                      $valueno = "0";
 4577:                 }
 4578:                 $datatable .= &yesno_radio($item,$settings,$unsetdefault,$valueyes,$valueno,$noedit);
 4579:             } elsif ($items->{$item}{input} eq 'selectbox') {
 4580:                 my $curr = $settings->{$item};
 4581:                 $datatable .=
 4582:                     &select_from_options($item,$items->{$item}{'order'},
 4583:                                          $items->{$item}{'options'},$curr,
 4584:                                          $items->{$item}{'nullval'},
 4585:                                          undef,undef,undef,$noedit);
 4586:             } elsif ($items->{$item}{input} eq 'textbox') {
 4587:                 my $disabled;
 4588:                 if ($noedit) {
 4589:                     $disabled = ' disabled=disabled"';
 4590:                 }
 4591:                 $datatable .= 
 4592:                     &Apache::lonhtmlcommon::textbox($item,$settings->{$item},
 4593:                                                     $items->{$item}{size},
 4594:                                                     $disabled);
 4595:             }
 4596:             $datatable .= &item_table_row_end();
 4597:         }
 4598:         if (ref($rowtotal)) {
 4599:             $$rowtotal += scalar(@{$ordered});
 4600:         }
 4601:     }
 4602:     return $datatable;
 4603: }
 4604: 
 4605: sub nothidepriv_row {
 4606:     my ($cdom,$item,$settings,$crstype,$noedit) = @_;
 4607:     my ($cnum) = &get_course();
 4608:     my ($datatable,%nothide,@checkdoms);
 4609:     if (ref($settings) eq 'HASH') {
 4610:         if ($settings->{$item} ne '') {
 4611:             foreach my $user (split(/\s*\,\s*/,$settings->{$item})) {
 4612:                 if ($user !~ /:/) {
 4613:                     $nothide{join(':',split(/[\@]/,$user))}=1;
 4614:                 } else {
 4615:                     $nothide{$user} = 1;
 4616:                 }
 4617:             }
 4618:         }
 4619:         if ($settings->{'checkforpriv'}) {
 4620:             @checkdoms = split(/,/,$settings->{'checkforpriv'}); 
 4621:         }
 4622:     }
 4623:     push(@checkdoms,$cdom);
 4624:     my %coursepersonnel =
 4625:         &Apache::lonnet::get_my_roles($cnum,$cdom,'',['previous','future','active']);
 4626:     my @privusers;
 4627:     foreach my $person (keys(%coursepersonnel)) {
 4628:         my ($uname,$udom,$role) = split(/:/,$person);
 4629:         my $user = $uname.':'.$udom;
 4630:         my ($start,$end) = split(/:/,$coursepersonnel{$person});
 4631:         if ($end == -1 || $start == -1) {
 4632:             next;
 4633:         }
 4634:         foreach my $dom (@checkdoms) { 
 4635:             if (&Apache::lonnet::privileged($uname,$udom,\@checkdoms,['dc','su'])) {
 4636:                 unless (grep(/^\Q$user\E$/,@privusers)) {
 4637:                     push(@privusers,$user);
 4638:                 }
 4639:             }
 4640:         }
 4641:     }
 4642:     if (@privusers > 0) {
 4643:         my $disabled;
 4644:         if ($noedit) {
 4645:            $disabled = ' disabled="disabled"';
 4646:         }
 4647:         $datatable .= '<table align="right">';
 4648:         foreach my $user (sort(@privusers)) {
 4649:             my $hideon = ' checked="checked" ';
 4650:             my $hideoff = '';
 4651:             if ($nothide{$user}) {
 4652:                 $hideoff = $hideon;
 4653:                 $hideon = '';
 4654:             }
 4655:             my ($uname,$udom) = split(':',$user);
 4656:             $datatable .=  '<tr><td align="left">'.
 4657:                            &Apache::loncommon::aboutmewrapper(
 4658:                            &Apache::loncommon::plainname($uname,$udom,'firstname'),
 4659:                            $uname,$udom,'aboutuser').
 4660:                           '</td><td align="left">'.
 4661:                           '<span class="LC_nobreak"><label>'.
 4662:                           '<input type="radio" name="'.$item.'_'.$user.'"'.
 4663:                           $hideon.' value=""'.$disabled.' />'.&mt('Hidden').'</label>&nbsp;'.
 4664:                           '<label><input type="radio" name="'.$item.'_'.$user.'"'.
 4665:                           $hideoff.' value="yes"'.$disabled.' />'.&mt('Shown').'</label></span></td>'.
 4666:                           '</tr>';
 4667:         }
 4668:         $datatable .= '</table>';
 4669:     } else {
 4670:         if ($crstype eq 'Community') {
 4671:             $datatable .= &mt('No Domain Coordinators have community roles');
 4672:         } else {
 4673:             $datatable .= &mt('No Domain Coordinators have course roles');
 4674:         }
 4675:     }
 4676:     return $datatable;
 4677: }
 4678: 
 4679: sub checkforpriv_row {
 4680:     my ($cdom,$item,$settings,$crstype,$noedit) = @_;
 4681:     my $datatable;
 4682:     my %domains=map { $_ => 1; } &Apache::lonnet::all_domains();
 4683:     if (keys(%domains) == 1) {
 4684:         $datatable = '</td><td align="right">'.
 4685:                      &mt("Course's domain is only domain");
 4686:         return $datatable;
 4687:     }
 4688:     my @excdoms = ($cdom);
 4689:     my $num = 0;
 4690:     if ($settings->{$item} eq '') {
 4691:         $datatable = '</td><td align="right">'.
 4692:                      &Apache::loncommon::select_dom_form('','checkforpriv_'.$num,
 4693:                                                          1,1,undef,undef,\@excdoms,
 4694:                                                          $noedit);
 4695:     } else {
 4696:         my @privdoms = split(/,/,$settings->{$item});
 4697:         my %domains=map { $_ => 1; } &Apache::lonnet::all_domains();
 4698:         $datatable = '</td><td align="right"><br />'.
 4699:                      &Apache::loncommon::start_data_table();
 4700:         my $disabled;
 4701:         if ($noedit) {
 4702:             $disabled = ' disabled="disabled"';
 4703:         }
 4704:         if (@privdoms > 0) {
 4705:             foreach my $currdom (@privdoms) {
 4706:                 next unless ($domains{$currdom});
 4707:                 my $domdesc = &Apache::lonnet::domain($currdom,'description');
 4708:                 if ($domdesc eq '') {
 4709:                     $domdesc = $currdom;
 4710:                 } 
 4711:                 $datatable .=
 4712:                     &Apache::loncommon::start_data_table_row().
 4713:                     '<td align="left"><span class="LC_nobreak">'.
 4714:                     &mt('Domain:').'<b>&nbsp;'.$domdesc.
 4715:                     '</b><input type="hidden" name="checkforpriv_'.$num.
 4716:                     '" value="'.$currdom.'" /></span><br />'.
 4717:                     '<span class="LC_nobreak"><label><input type="checkbox" '.
 4718:                     'name="checkforpriv_delete" value="'.$num.'"'.$disabled.' />'.
 4719:                     &mt('Delete').'</label></span></td>'.
 4720:                     &Apache::loncommon::end_data_table_row();
 4721:                 $num ++;
 4722:                 unless (grep(/^\Q$currdom\E$/,@excdoms)) { 
 4723:                     push(@excdoms,$currdom);
 4724:                 }
 4725:             }
 4726:         }
 4727:         if ((scalar(keys(%domains)) - scalar(@excdoms)) > 0) {
 4728:             $datatable .= 
 4729:                 &Apache::loncommon::start_data_table_row().
 4730:                 '<td align="left"><span class="LC_nobreak">'.
 4731:                 &mt('Additional domain:'). '</span><br />'.
 4732:                 &Apache::loncommon::select_dom_form('','checkforpriv_'.$num,1,
 4733:                                                     1,undef,undef,\@excdoms,$noedit).
 4734:                 '</td>'.&Apache::loncommon::end_data_table_row();
 4735:         }
 4736:         $datatable .= &Apache::loncommon::end_data_table().
 4737:                       '<input type="hidden" name="checkforpriv_total" value="'.$num.'" />'.
 4738:                       '<br />';
 4739:     }
 4740:     return $datatable;
 4741: }
 4742: 
 4743: sub print_hdrfmt_row {
 4744:     my ($item,$settings,$noedit) = @_;
 4745:     my @curr;
 4746:     my $currnum = 0;
 4747:     my $maxnum = 2;
 4748:     my $currstr;
 4749:     if ($settings->{$item} ne '') {
 4750:         $currstr .= '<b>'.&mt('Current print header:').' <span class="LC_warning"><tt>'.
 4751:                    $settings->{$item}.'</tt></span></b><br />';
 4752:         my @current = split(/(%\d*[nca])/,$settings->{$item});
 4753:         foreach my $val (@current) {
 4754:             unless ($val eq '') {
 4755:                 push(@curr,$val);
 4756:             }
 4757:         }
 4758:         $currnum = @curr;
 4759:         $maxnum += $currnum;
 4760:     }
 4761: 
 4762:     my $output = <<ENDJS;
 4763: 
 4764: <script type="text/javascript" language="Javascript">
 4765: 
 4766: function reOrder(chgnum) {
 4767:     var maxnum = $maxnum;
 4768:     var oldidx = 'printfmthdr_oldpos_'+chgnum;
 4769:     var newidx = 'printfmthdr_pos_'+chgnum;
 4770:     oldidx = getIndexByName(oldidx);
 4771:     newidx = getIndexByName(newidx);
 4772:     var oldpos = document.display.elements[oldidx].value;
 4773:     var newpos = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 4774:     document.display.elements[oldidx].value = newpos;
 4775:     var chgtype = 'up';
 4776:     if (newpos < oldpos) {
 4777:         chgtype = 'down';
 4778:     }
 4779:     for (var j=0; j<maxnum; j++) {
 4780:         if (j != chgnum) {
 4781:             oldidx = 'printfmthdr_oldpos_'+j;
 4782:             newidx = 'printfmthdr_pos_'+j;
 4783:             oldidx = getIndexByName(oldidx);
 4784:             newidx = getIndexByName(newidx);
 4785:             var currpos = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 4786:             var currsel = document.display.elements[newidx].selectedIndex;
 4787:             if (chgtype == 'up') {
 4788:                 if ((currpos > oldpos) && (currpos <= newpos)) {
 4789:                     document.display.elements[newidx].selectedIndex = currsel-1;
 4790:                     document.display.elements[oldidx].value = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 4791:                 }
 4792:             } else {
 4793:                 if ((currpos >= newpos) && (currpos < oldpos)) {
 4794:                     document.display.elements[newidx].selectedIndex = currsel+1;
 4795:                     document.display.elements[oldidx].value = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 4796:                 }
 4797:             }
 4798:         }
 4799:     }
 4800:     return;
 4801: }
 4802: 
 4803: function getIndexByName(item) {
 4804:     for (var i=0;i<document.display.elements.length;i++) {
 4805:         if (document.display.elements[i].name == item) {
 4806:             return i;
 4807:         }
 4808:     }
 4809:     return -1;
 4810: }
 4811: 
 4812: </script>
 4813: 
 4814: ENDJS
 4815:     $output .= '</td><td align="right"><br />'.
 4816:                $currstr.'<table class="LC_data_table">';
 4817:     my $disabled;
 4818:     if ($noedit) {
 4819:         $disabled = ' disabled="disabled"';
 4820:     }
 4821:     if (@curr > 0) {
 4822:         for (my $i=0; $i<@curr; $i++) {
 4823:             my $pos = $i+1;
 4824:             $output .= '<tr>'.
 4825:                        '<td align="left"><span class="LC_nobreak">'.
 4826:                        &position_selector($pos,$i,$maxnum,$disabled).&mt('Delete:').
 4827:                        '<input type="checkbox" name="printfmthdr_del_'.$i.
 4828:                        '"'.$disabled.' /></span></td>';
 4829:             if ($curr[$i] =~ /^%\d*[nca]$/) {
 4830:                 my ($limit,$subst) = ($curr[$i] =~ /^%(\d*)([nca])$/);
 4831:                 $output .= '<td align="left">'.
 4832:                            &substitution_selector($i,$subst,$limit,$disabled).'</td>';
 4833:             } else {
 4834:                 $output .= '<td colspan="2" align="left">'.&mt('Text').'<br />'.
 4835:                            '<input type="textbox" name="printfmthdr_text_'.$i.'"'.
 4836:                            ' value="'.$curr[$i].'" size="25"'.$disabled.' /></td>';
 4837:             }
 4838:             $output .= '</tr>';
 4839:         }
 4840:     }
 4841:     my $pos = $currnum+1;
 4842:     unless ($noedit) { 
 4843:         $output .= 
 4844:                '<tr>'.
 4845:                '<td align="left"><span class="LC_nobreak">'.
 4846:                &position_selector($pos,$currnum,$maxnum).
 4847:                '<b>'.&mt('New').'</b></span></td><td align="left">'.
 4848:                &substitution_selector($currnum).'</td>'.
 4849:                '</tr>'; 
 4850:         $pos ++;
 4851:         $currnum ++;
 4852:         $output .= 
 4853:                '<tr>'.
 4854:                '<td align="left"><span class="LC_nobreak">'.
 4855:                &position_selector($pos,$currnum,$maxnum).
 4856:                '<b>'.&mt('New').'</b></span></td>'.
 4857:                '<td colspan="2" align="left">'.&mt('Text').'<br />'.
 4858:                '<input type="textbox" name="printfmthdr_text_'.$currnum.
 4859:                '" value="" size ="25" />'.
 4860:                '<input type="hidden" name="printfmthdr_maxnum" value="'.
 4861:                 $maxnum.'" /></td>'.
 4862:                '</tr>';
 4863:     }
 4864:     $output .= '</table><br />';
 4865:     return $output;
 4866: }
 4867: 
 4868: sub position_selector {
 4869:     my ($pos,$num,$maxnum,$disabled) = @_;
 4870:     my $output = '<select name="printfmthdr_pos_'.$num.'" onchange="reOrder('."'$num'".');"'.$disabled.'>';
 4871:     for (my $j=1; $j<=$maxnum; $j++) {
 4872:         my $sel = '';
 4873:         if ($pos == $j) {
 4874:             $sel = ' selected="selected"';
 4875:         }
 4876:         $output .= '<option value="'.$j.'"'.$sel.'">'.$j.'</option>';
 4877:     }
 4878:     $output .= '</select><input type="hidden" name="printfmthdr_oldpos_'.$num.
 4879:                '" value="'.$pos.'" />';
 4880:     return $output;
 4881: }
 4882: 
 4883: sub substitution_selector {
 4884:     my ($num,$subst,$limit,$crstype,$disabled) = @_;
 4885:     my ($stunametxt,$crsidtxt);
 4886:     if ($crstype eq 'Community') {
 4887:         $stunametxt = 'member name';
 4888:         $crsidtxt = 'community ID',
 4889:     } else {
 4890:         $stunametxt = 'student name';
 4891:         $crsidtxt = 'course ID',
 4892:     }
 4893:     my %lt = &Apache::lonlocal::texthash(
 4894:                     n => $stunametxt,
 4895:                     c => $crsidtxt,
 4896:                     a => 'assignment note',
 4897:              );
 4898:     my $output .= &mt('Substitution').'<br />'.
 4899:                   '<select name="printfmthdr_sub_'.$num.'"'.$disabled.'>';
 4900:     if ($subst eq '') {
 4901:         $output .= '<option value="" selected="selected"> </option>';
 4902:     }
 4903:     foreach my $field ('n','c','a') {
 4904:         my $sel ='';
 4905:         if ($subst eq $field) {
 4906:             $sel = ' selected="selected"';
 4907:         }
 4908:         $output .= '<option value="'.$field.'"'.$sel.'>'.
 4909:                    $lt{$field}.'</option>';
 4910:     }
 4911:     $output .= '</select></td><td align="left">'.&mt('Size limit').'<br />'.
 4912:                '<input type="textbox" name="printfmthdr_limit_'.$num.
 4913:                '" value="'.$limit.'" size="5"'.$disabled.' /></span>';
 4914:     return $output;
 4915: }
 4916: 
 4917: sub change_clone {
 4918:     my ($cdom,$cnum,$clonelist,$oldcloner) = @_;
 4919:     my $clone_crs = $cnum.':'.$cdom;
 4920:     if ($cnum && $cdom) {
 4921:         my $clone_crs = $cnum.':'.$cdom;
 4922:         my @allowclone;
 4923:         if ($clonelist =~ /,/) {
 4924:             @allowclone = split(',',$clonelist);
 4925:         } else {
 4926:             $allowclone[0] = $clonelist;
 4927:         }
 4928:         foreach my $currclone (@allowclone) {
 4929:             if (!grep(/^$currclone$/,@$oldcloner)) {
 4930:                 if ($currclone ne '*') {
 4931:                     if ($currclone =~ /:/) {
 4932:                         my ($uname,$udom) = split(/:/,$currclone);
 4933:                         if ($uname && $udom && $uname ne '*') {
 4934:                             if (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
 4935:                                 my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 4936:                                 if ($currclonecrs{'cloneable'} !~ /\Q$clone_crs\E/) {
 4937:                                     if ($currclonecrs{'cloneable'} eq '') {
 4938:                                         $currclonecrs{'cloneable'} = $clone_crs;
 4939:                                     } else {
 4940:                                         $currclonecrs{'cloneable'} .= ','.$clone_crs;
 4941:                                     }
 4942:                                     &Apache::lonnet::put('environment',\%currclonecrs,$udom,$uname);
 4943:                                 }
 4944:                             }
 4945:                         }
 4946:                     }
 4947:                 }
 4948:             }
 4949:         }
 4950:         foreach my $oldclone (@$oldcloner) {
 4951:             if (!grep(/^\Q$oldclone\E$/,@allowclone)) {
 4952:                 if ($oldclone ne '*') {
 4953:                     if ($oldclone =~ /:/) {
 4954:                         my ($uname,$udom) = split(/:/,$oldclone);
 4955:                         if ($uname && $udom && $uname ne '*' ) {
 4956:                             if (&Apache::lonnet::homeserver($uname,$udom) ne 'no_host') {
 4957:                                 my %currclonecrs = &Apache::lonnet::dump('environment',$udom,$uname,'cloneable');
 4958:                                 my %newclonecrs = ();
 4959:                                 if ($currclonecrs{'cloneable'} =~ /\Q$clone_crs\E/) {
 4960:                                     if ($currclonecrs{'cloneable'} =~ /,/) {
 4961:                                         my @currclonecrs = split/,/,$currclonecrs{'cloneable'};
 4962:                                         foreach my $crs (@currclonecrs) {
 4963:                                             if ($crs ne $clone_crs) {
 4964:                                                 $newclonecrs{'cloneable'} .= $crs.',';
 4965:                                             }
 4966:                                         }
 4967:                                         $newclonecrs{'cloneable'} =~ s/,$//;
 4968:                                     } else {
 4969:                                         $newclonecrs{'cloneable'} = '';
 4970:                                     }
 4971:                                     &Apache::lonnet::put('environment',\%newclonecrs,$udom,$uname);
 4972:                                 }
 4973:                             }
 4974:                         }
 4975:                     }
 4976:                 }
 4977:             }
 4978:         }
 4979:     }
 4980:     return;
 4981: }
 4982: 
 4983: 1;

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