File:  [LON-CAPA] / loncom / interface / courseprefs.pm
Revision 1.8.2.6: download - view: text, annotated - select for diffs
Fri Feb 12 00:39:51 2010 UTC (14 years, 4 months ago) by raeburn
Branches: version_2_9_X
Diff to branchpoint 1.8: preferred, unified
- Backport 1.14 (part).

    1: # The LearningOnline Network with CAPA
    2: # Handler to set configuration settings for a course
    3: #
    4: # $Id: courseprefs.pm,v 1.8.2.6 2010/02/12 00:39:51 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: package Apache::courseprefs;
   32: 
   33: use strict;
   34: use Apache::Constants qw(:common :http);
   35: use Apache::lonnet;
   36: use Apache::loncommon();
   37: use Apache::lonhtmlcommon();
   38: use Apache::lonconfigsettings;
   39: use Apache::lonlocal;
   40: use LONCAPA qw(:DEFAULT :match);
   41: 
   42: sub handler {
   43:     my $r=shift;
   44:     if ($r->header_only) {
   45:         &Apache::loncommon::content_type($r,'text/html');
   46:         $r->send_http_header;
   47:         return OK;
   48:     }
   49:     my $context = 'course';
   50:     my $cid = $env{'request.course.id'};
   51:     my ($cnum,$cdom) = &get_course($cid);
   52:     my $crstype = &Apache::loncommon::course_type();
   53:     my $parm_permission = &Apache::lonnet::allowed('opa',$cid);
   54:     my $navmap = Apache::lonnavmaps::navmap->new();
   55:     if ($parm_permission && $navmap) {
   56:         &Apache::loncommon::content_type($r,'text/html');
   57:         $r->send_http_header;
   58:     } else {
   59:         if ($navmap) {
   60:             if ($crstype eq 'Community') {
   61:                 $env{'user.error.msg'}=
   62:                     "/adm/courseprefs:opa:0:0:Cannot modify community settings";
   63:             } else {
   64:                 $env{'user.error.msg'}=
   65:                     "/adm/courseprefs:opa:0:0:Cannot modify course settings";
   66:             }
   67:         } else {
   68:             if ($crstype eq 'Community') {
   69:                 $env{'user.error.msg'}=
   70:                     "/adm/courseprefs::0:1:Course environment gone, reinitialize the community";
   71:             } else {
   72:                 $env{'user.error.msg'}=
   73:                     "/adm/courseprefs::0:1:Course environment gone, reinitialize the course";
   74: 
   75:             }
   76:         }
   77:         return HTTP_NOT_ACCEPTABLE;
   78:     }
   79: 
   80:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   81:                                             ['phase','actions','origin']);
   82:     &Apache::lonhtmlcommon::clear_breadcrumbs();
   83:     if ($env{'form.origin'} eq 'params') {
   84:         &Apache::lonhtmlcommon::add_breadcrumb({href=>"/adm/parmset",
   85:                                                 text=>"Parameter Manager"});
   86:     }
   87:     my ($brtext,$brtitle,$crsinfotext,$crsinfodesc,$crscateg,$crshide);
   88:     my %lt;
   89:     if ($crstype eq 'Community') {
   90:         %lt = (
   91:                 conf => 'Community Configuration',
   92:                 edit => 'Edit Community Configuration',
   93:                 gens => 'General community settings',
   94:                 idnu => 'Community ID or number',
   95:                 desc => 'Community Description',
   96:                 catg => 'Categorize community',
   97:                 excc => 'Exclude from community catalog',
   98:                 clon => 'Users allowed to clone community',
   99:                 rept => 'Replacement titles for standard community roles',
  100:                 time => 'Timezone where the community is located',
  101:                 date => 'Locale used for community calendar',
  102:                 coco => 'Community Content',
  103:                 copo => 'Community Policy',
  104:                 priv => 'Domain Coordinators in community',
  105:                 defd => 'Default dates for member access',
  106:                 stuv => 'Member-viewable membership list options',
  107:                 stul => 'Member agreement needed to be listed',
  108:                 clas => 'Membership and Facilitator Listing',
  109:                 priv => 'Privileged users (Domain Coordinators) in facilitator listing',
  110:                 defc => 'Default Community Spreadsheet',
  111:                 defs => 'Default User Spreadsheet',
  112:                 seme => 'Send message to member when clicking Done on Tasks'
  113:               );
  114:     } else {
  115:         %lt = (
  116:                 conf => 'Course Configuration',
  117:                 edit => 'Edit Course Configuration',
  118:                 gens => 'General course settings',
  119:                 idnu => 'Course ID or number',
  120:                 desc => 'Course Description',
  121:                 catg => 'Categorize course',
  122:                 excc => 'Exclude from course catalog',
  123:                 clon => 'Users allowed to clone course',
  124:                 rept => 'Replacement titles for standard course roles',
  125:                 time => 'Timezone in which the course takes place',
  126:                 date => 'Locale used for course calendar',
  127:                 coco => 'Course Content',
  128:                 copo => 'Course Policy',
  129:                 priv => 'Domain Coordinators in course',
  130:                 defd => 'Default dates for student access',
  131:                 stuv => 'Student-viewable classlist options',
  132:                 stul => 'Student agreement needed to be listed',
  133:                 clas => 'Classlists and Staff Listing',
  134:                 priv => 'Privileged users (Domain Coordinators) in staff listing',
  135:                 defc => 'Default Course Spreadsheet',
  136:                 defs => 'Default Student Spreadsheet',
  137:                 seme => 'Send message to student when clicking Done on Tasks',
  138:               );
  139:     }
  140:     &Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/courseprefs',
  141:         text=>$lt{'conf'}});
  142:     my $breadcrumbs =
  143:         &Apache::lonhtmlcommon::breadcrumbs($lt{'edit'});
  144: 
  145:     my $phase = 'pickactions';
  146:     if ( exists($env{'form.phase'}) ) {
  147:         $phase = $env{'form.phase'};
  148:     }
  149: 
  150:     if ($phase eq 'categorizecourse') {
  151:         &assign_course_categories($r,$crstype);
  152:         return OK;
  153:     }
  154: 
  155:     my %values=&Apache::lonnet::dump('environment',$cdom,$cnum);
  156:     my @prefs_order = ('courseinfo','localization','feedback','discussion',
  157:                        'classlists','appearance','grading','printouts',
  158:                        'spreadsheet','bridgetasks','other');
  159: 
  160:     my %prefs = (
  161:         'courseinfo' =>
  162:                    { text => $lt{'gens'},
  163:                      help => 'Course_Environment',
  164:                      header => [{col1 => 'Setting',
  165:                                  col2 => 'Value'}],
  166:                      ordered => ['description','courseid','categories',
  167:                                  'hidefromcat','cloners','externalsyllabus',
  168:                                  'url','rolenames'],
  169:                      itemtext => {
  170:                                    description      => $lt{'desc'},
  171:                                    courseid         => $lt{'idnu'},
  172:                                    categories       => $lt{'catg'},
  173:                                    hidefromcat      => $lt{'excc'},
  174:                                    cloners          => $lt{'clon'}, 
  175:                                    externalsyllabus => 'URL of Syllabus',
  176:                                    url              => 'Top Level Map',
  177:                                    rolenames        => $lt{'rept'},
  178:                                  },
  179:                     },
  180:         'localization' =>
  181:                     { text => 'Language/TimeZone/Locale',
  182:                       help => 'Course_Environment',
  183:                       header => [{col1 => 'Setting',
  184:                                   col2 => 'Value',}],
  185:                       ordered => ['languages','timezone','datelocale'],
  186:                       itemtext => {
  187:                                     languages  => 'Languages used',
  188:                                     timezone   => $lt{'time'}, 
  189:                                     datelocale => $lt{'date'},
  190:                                   },
  191:                     },
  192:         'feedback' =>
  193:                     { text => 'Feedback messages',
  194:                       help => 'Course_Environment',
  195:                       header => [{col1 => 'Questions about:',
  196:                                   col2 => 'Recipients'},
  197:                                  {col1 => 'Questions about:',
  198:                                   col2 => 'Custom Text'}],
  199:                       ordered => ['question.email','comment.email','policy.email'],
  200:                       itemtext => {
  201:                                      'question.email' => 'Resource Content',
  202:                                      'comment.email'  => $lt{'coco'},
  203:                                      'policy.email'   => $lt{'copo'},
  204:                                   },
  205:                     },
  206:         'discussion' =>
  207:                     { text => 'Discussion and Chat',
  208:                       help => 'Course_Environment',
  209:                       header => [{col1 => 'Setting',
  210:                                   col2 => 'Value',}],
  211:                       ordered => ['plc.roles.denied','plc.users.denied',
  212:                                   'pch.roles.denied','pch.users.denied',
  213:                                   'allow_limited_html_in_feedback',
  214:                                   'allow_discussion_post_editing'],
  215:                       itemtext => {
  216:                          'plc.roles.denied'             => 'No Resource Discussion',
  217:                          'plc.users.denied'             => 'No Resource Discussion',
  218:                          'pch.roles.denied'             => 'No Chat room use',
  219:                          'pch.users.denied'             => 'No Chat room use',
  220:                          allow_limited_html_in_feedback => 'Allow limited HTML in discussion posts',
  221:                          allow_discussion_post_editing  => 'Users can edit/delete own discussion posts',
  222:                                   },
  223:                     },
  224:         'classlists' =>
  225:                    { text => $lt{'clas'},
  226:                      help => 'Course_Environment',
  227:                      header => [{col1 => 'Type',
  228:                                  col2 => $lt{'defd'}},
  229:                                 {col1 => 'Setting',
  230:                                  col2 => $lt{'priv'}},
  231:                                 {col1 => 'Setting',
  232:                                  col2 => $lt{'stuv'}}],
  233:                      ordered => ['default_enrollment_start_date',
  234:                                  'default_enrollment_end_date',
  235:                                  'nothideprivileged','student_classlist_view',
  236:                                  'student_opt_in','student_classlist_portfiles'],
  237:                      itemtext => {
  238:                          default_enrollment_start_date => 'Start date',
  239:                          default_enrollment_end_date   => 'End date',
  240:                          nothideprivileged             => $lt{'priv'},
  241:                          student_classlist_view        => $lt{'stuv'},
  242:                          student_opt_in                => $lt{'stul'},
  243:                          student_classlist_portfiles   => 'Include link to accessible portfolio files',
  244:                                   },
  245:                    },
  246:         'appearance' =>
  247:                    { text => 'Display of resources ',
  248:                      help => 'Course_Environment',
  249:                      header => [{col1 => 'Setting',
  250:                                  col2 => 'Value'}],
  251:                      ordered => ['default_xml_style','pageseparators',
  252:                                  'disable_receipt_display','texengine',
  253:                                  'tthoptions'],
  254:                       itemtext => {
  255:                           default_xml_style       => 'Default XML Style File',
  256:                           pageseparators          => 'Visibly Separate Items on Pages',
  257:                           disable_receipt_display => 'Disable display of problem receipts',
  258:                           texengine               => 'Force use of a specific math rendering engine',
  259:                           tthoptions              => 'Default set of options to pass to tth/m when converting TeX',
  260:                                   },
  261:                   },
  262:         'grading' =>
  263:                   { text => 'Grading',
  264:                     help => 'Course_Environment',
  265:                     header => [{col1 => 'Setting',
  266:                                 col2 => 'Value',}],
  267:                     ordered => ['grading','rndseed',
  268:                                 'receiptalg','disablesigfigs'],
  269:                     itemtext => {
  270:                         grading        => 'Grading',
  271:                         rndseed        => 'Randomization algorithm used',
  272:                         receiptalg     => 'Receipt algorithm used',
  273:                         disablesigfigs => 'Disable checking of Significant Figures',
  274:                                 },
  275: 
  276:                   },
  277:         'printouts' =>
  278:                   { text => 'Printout generation',
  279:                     help => 'Course_Environment',
  280:                     header => [{col1 => 'Setting',
  281:                                 col2 => 'Value',}],
  282:                     ordered => ['problem_stream_switch','suppress_tries',
  283:                                 'default_paper_size','print_header_format',
  284:                                 'disableexampointprint'],
  285:                     itemtext => {
  286:                         problem_stream_switch => 'Allow problems to be split over pages',
  287:                         suppress_tries        => 'Suppress number of tries in printing',
  288:                         default_paper_size    => 'Default paper type',
  289:                         print_header_format   => 'Print header format',
  290:                         disableexampointprint => 'Disable automatically printing point values on exams',
  291:                                 },
  292:                   },
  293:         'spreadsheet' =>
  294:                   { text => 'Spreadsheets',
  295:                     help => 'Course_Environment',
  296:                     header => [{col1 => 'Setting',
  297:                                 col2 => 'Value'}],
  298:                     ordered => ['spreadsheet_default_classcalc',
  299:                                 'spreadsheet_default_studentcalc',
  300:                                 'spreadsheet_default_assesscalc','hideemptyrows'],
  301:                     itemtext => {
  302:                                   spreadsheet_default_classcalc   => $lt{'defc'},
  303:                                   spreadsheet_default_studentcalc => $lt{'defs'},
  304:                                   spreadsheet_default_assesscalc  => 'Default Assessment Spreadsheet',
  305:                                   hideemptyrows                   => 'Hide Empty Rows in Spreadsheets',
  306:                                 },
  307:                   },
  308:         'bridgetasks' =>
  309:                   { text => 'Bridge tasks',
  310:                     help => 'Course_Environment',
  311:                     header => [{col1 => 'Setting',
  312:                                 col2 => 'Value'}],
  313:                     ordered => ['task_messages','task_grading',
  314:                                 'suppress_embed_prompt'],
  315:                     itemtext => {
  316:                         task_messages         => $lt{'seme'},
  317:                         task_grading          => 'Bridge Task grading by instructors and TAs in sections' ,
  318:                         suppress_embed_prompt => 'Hide upload references prompt if uploading file to portfolio',
  319:                                 },
  320:                   },
  321:         'other' =>
  322:                   { text => 'Other settings',
  323:                     help => 'Course_Environment',
  324:                     header => [ {col1 => 'Item',
  325:                                  col2 => 'Value',
  326:                               }],
  327:                   },
  328:     );
  329:     if ($phase eq 'process') {
  330:         my @allitems = &get_allitems(%prefs);
  331:         &Apache::lonconfigsettings::make_changes($r,$cdom,$phase,$context,
  332:                                                  \@prefs_order,\%prefs,\%values,
  333:                                                   $cnum,undef,\@allitems);
  334:     } elsif ($phase eq 'display') {
  335:         my $jscript = &get_jscript($cdom,$phase,$crstype);
  336:         my @allitems = &get_allitems(%prefs);
  337:         &Apache::lonconfigsettings::display_settings($r,$cdom,$phase,$context,
  338:             \@prefs_order,\%prefs,\%values,undef,$jscript,\@allitems,$crstype);
  339:     } else {
  340:         &Apache::lonconfigsettings::display_choices($r,$phase,$context,
  341:                                                     \@prefs_order,\%prefs);
  342:     }
  343:     return OK;
  344: }
  345: 
  346: sub get_allitems {
  347:     my (%prefs) = @_;
  348:     my @allitems;
  349:     foreach my $item (keys(%prefs)) {
  350:         if (ref($prefs{$item}) eq 'HASH') {
  351:             if (ref($prefs{$item}{'ordered'}) eq 'ARRAY') {
  352:                 push(@allitems,@{$prefs{$item}{'ordered'}});
  353:                 if ($item eq 'feedback') {
  354:                     push(@allitems,(map { $_.'.text'; } @{$prefs{$item}{'ordered'}}));
  355:                 }
  356:             }
  357:         }
  358:     }
  359:     return @allitems;
  360: }
  361: 
  362: sub print_config_box {
  363:     my ($r,$cdom,$phase,$action,$item,$settings,$allitems,$crstype) = @_;
  364:     my $ordered = $item->{'ordered'};
  365:     my $itemtext = $item->{'itemtext'};
  366:     my $rowtotal = 0;
  367:     my $output =
  368:          '<table class="LC_nested_outer">
  369:           <tr>
  370:            <th align="left" valign="middle"><span class="LC_font_larger">'.
  371:            &mt($item->{text}).'&nbsp;'.
  372:            &Apache::loncommon::help_open_topic($item->{'help'}).'</span></th>'."\n".
  373:           '</tr>';
  374:     if (($action eq 'feedback') || ($action eq 'classlists')) {
  375:         $output .= '
  376:           <tr>
  377:            <td>
  378:             <table class="LC_nested">
  379:              <tr class="LC_info_row">
  380:               <td class="LC_left_item">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
  381:               <td class="LC_right_item">'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
  382:              </tr>';
  383:         $rowtotal ++;
  384:         if ($action eq 'feedback') {
  385:             $output .= &print_feedback('top',$cdom,$settings,$ordered,$itemtext,\$rowtotal);
  386:         } elsif ($action eq 'classlists') {
  387:             $output .= &print_classlists('top',$cdom,$settings,$itemtext,\$rowtotal,$crstype);
  388:         }
  389:         $output .= '
  390:            </table>
  391:           </td>
  392:          </tr>
  393:          <tr>
  394:            <td>
  395:             <table class="LC_nested">
  396:              <tr class="LC_info_row">
  397:               <td class="LC_left_item">'.&mt($item->{'header'}->[1]->{'col1'}).'</td>';
  398:         $output .= '
  399:               <td class="LC_right_item">'.&mt($item->{'header'}->[1]->{'col2'}).'</td>
  400:              </tr>';
  401:         if ($action eq 'classlists') {
  402:             $output .= &print_classlists('middle',$cdom,$settings,$itemtext,\$rowtotal,$crstype).
  403:                        '
  404:             </table>
  405:            </td>
  406:           </tr>
  407:           <tr>
  408:            <td>
  409:             <table class="LC_nested">
  410:              <tr class="LC_info_row">
  411:               <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
  412:               <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
  413:              </tr>';
  414:         }
  415:     } else {
  416:         $output .= '
  417:           <tr>
  418:            <td>
  419:             <table class="LC_nested">
  420:              <tr class="LC_info_row">
  421:               <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
  422:               <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
  423:              </tr>';
  424:     }
  425:     $rowtotal ++;
  426:     if ($action eq 'courseinfo') {
  427:         $output .= &print_courseinfo($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype);
  428:     } elsif ($action eq 'localization') {
  429:         $output .= &print_localization($cdom,$settings,$ordered,$itemtext,\$rowtotal);
  430:     } elsif ($action eq 'feedback') {
  431:         $output .= &print_feedback('bottom',$cdom,$settings,$ordered,$itemtext,\$rowtotal);
  432:     } elsif ($action eq 'discussion') {
  433:         $output .= &print_discussion($cdom,$settings,$ordered,$itemtext,\$rowtotal);
  434:     } elsif ($action eq 'classlists') {
  435:         $output .= &print_classlists('bottom',$cdom,$settings,$itemtext,\$rowtotal,$crstype);
  436:     } elsif ($action eq 'appearance') {
  437:         $output .= &print_appearance($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype);
  438:     } elsif ($action eq 'grading') {
  439:         $output .= &print_grading($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype);
  440:     } elsif ($action eq 'printouts') {
  441:         $output .= &print_printouts($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype);
  442:     } elsif ($action eq 'spreadsheet') {
  443:         $output .= &print_spreadsheet($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype);
  444:     } elsif ($action eq 'bridgetasks') {
  445:         $output .= &print_bridgetasks($cdom,$settings,$ordered,$itemtext,\$rowtotal,$crstype);
  446:     } elsif ($action eq 'other') {
  447:         $output .= &print_other($cdom,$settings,$allitems,\$rowtotal,$crstype);
  448:     }
  449:     $output .= '
  450:    </table>
  451:   </td>
  452:  </tr>
  453: </table><br />';
  454:     return ($output,$rowtotal);
  455: }
  456: 
  457: sub process_changes {
  458:     my ($cdom,$action,$values,$item,$changes,$allitems,$disallowed,$crstype) = @_;
  459:     my %newvalues;
  460:     if (ref($item) eq 'HASH') {
  461:         if (ref($changes) eq 'HASH') {
  462:             my @ordered;
  463:             if ($action eq 'other') {
  464:                 @ordered = &get_other_items($cdom,$values,$allitems);
  465:                 if ($env{'form.newp_name'} ne '') {
  466:                     my $newp = $env{'form.newp_name'};
  467:                     if ($env{'form.newp_value'} ne '') {
  468:                         if (ref($allitems) eq 'ARRAY') {
  469:                             unless ((grep(/^\Q$newp\E$/,@ordered)) || 
  470:                                     (grep(/^\Q$newp\E$/,@{$allitems}))) {
  471:                                 $changes->{$newp} = $env{'form.newp_value'};
  472:                             }
  473:                         }
  474:                     }
  475:                 }
  476:             } elsif (ref($item->{'ordered'}) eq 'ARRAY') {
  477:                 @ordered = @{$item->{'ordered'}};
  478:             }
  479:             if (@ordered > 0) {
  480:                 if ($action eq 'feedback') {
  481:                     foreach my $entry (@ordered) {
  482:                         my $userstr = '';
  483:                         my $total = $env{'form.'.$entry.'_total'};
  484:                         if ($total) {
  485:                             my @deletes = &Apache::loncommon::get_env_multiple('form.'.$entry.'_delete');
  486:                             for (my $i=0; $i<$total; $i++) {
  487:                                 unless (grep(/^$i$/,@deletes)) {
  488:                                     $userstr .= $env{'form.'.$entry.'_user_'.$i}.
  489:                                                 &get_sec_str($entry,$i).',';
  490:                                 }
  491:                             }
  492:                         } else {
  493:                             $total = 0;
  494:                         } 
  495:                         if ($env{'form.'.$entry.'_uname_'.$total} ne '') {
  496:                             my $uname = $env{'form.'.$entry.'_uname_'.$total};
  497:                             my $udom = $env{'form.'.$entry.'_udom_'.$total};
  498:                             if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
  499:                                 $userstr =~ s/,$//;
  500:                                 $disallowed->{'feedback'}{$entry} = $uname.':'.$udom;
  501:                             } else {
  502:                                 $userstr .= $uname.':'.$udom.&get_sec_str($entry,$total);
  503:                             }
  504:                         } else {
  505:                             $userstr =~ s/,$//;
  506:                         }
  507:                         $newvalues{$entry} = $userstr;
  508:                         if ($newvalues{$entry} ne $values->{$entry}) {
  509:                             $changes->{$entry} = $newvalues{$entry};
  510:                         }
  511:                         my $ext_entry = $entry.'.text';
  512:                         $newvalues{$ext_entry} = $env{'form.'.$ext_entry};
  513:                         if ($newvalues{$ext_entry} ne $values->{$ext_entry}) {
  514:                             $changes->{$ext_entry} = $newvalues{$ext_entry};
  515:                         }
  516:                     }
  517:                 } else {
  518:                     foreach my $entry (@ordered) {
  519:                         if ($entry eq 'cloners') {
  520:                             if ($env{'form.cloners_all'}) {
  521:                                 $newvalues{$entry} = '*';
  522:                             } else {
  523:                                 my @clonedoms;
  524:                                 if (exists($env{'form.cloners_activate'})) {
  525:                                     my $actnum = $env{'form.cloners_activate'};
  526:                                     if ($actnum ne '') {
  527:                                         if ($env{'form.clonersdom_'.$actnum} ne '') {
  528:                                             my $clonedom = $env{'form.clonersdom_'.$actnum};
  529:                                             if (&check_clone($clonedom,$disallowed) eq 'ok') {
  530:                                                 $newvalues{$entry} = '*:'.$clonedom;
  531:                                                 push(@clonedoms,$newvalues{$entry});
  532:                                             }
  533:                                         }
  534:                                     }
  535:                                 } else {
  536:                                     my $num = $env{'form.cloners_total'};
  537:                                     my @deletes = 
  538:                                         &Apache::loncommon::get_env_multiple('form.cloners_delete');
  539:                                     for (my $i=0; $i<$num; $i++) {
  540:                                         if (!grep(/^$i$/,@deletes)) {
  541:                                             my $clonedom = $env{'form.cloners_dom_'.$i};
  542:                                             if (&check_clone($clonedom,$disallowed) eq 'ok') {
  543:                                                 if (!grep(/^\*:\Q$clonedom\E$/,@clonedoms)) {
  544:                                                     push (@clonedoms,'*:'.$clonedom);
  545:                                                 }
  546:                                             }
  547:                                         }
  548:                                     }
  549:                                     if (@clonedoms) {
  550:                                         $newvalues{$entry}=join(',',@clonedoms);
  551:                                     }
  552:                                 }
  553:                                 if ($env{'form.cloners_newdom'} ne '') {
  554:                                     my $clonedom = $env{'form.cloners_newdom'};
  555:                                     if (&check_clone($clonedom,$disallowed) eq 'ok') {
  556:                                         my $newdom = '*:'.$env{'form.cloners_newdom'};
  557:                                         if (@clonedoms) { 
  558:                                             if (!grep(/^\Q$newdom\E$/,@clonedoms)) {
  559:                                                 $newvalues{$entry} .= ','.$newdom;
  560:                                             }
  561:                                         } else {
  562:                                             $newvalues{$entry} = $newdom;
  563:                                         }
  564:                                     }
  565:                                 }
  566:                                 if ($env{'form.'.$entry} ne '') {
  567:                                     my @cloners = split(',',$env{'form.'.$entry});
  568:                                     my @okcloners;
  569:                                     foreach my $cloner (@cloners) {
  570:                                         my ($uname,$udom) = split(':',$cloner);
  571:                                         if (&check_clone($udom,$disallowed,$uname) eq 'ok') {
  572:                                             if (!grep(/^\Q$cloner\E$/,@okcloners)) {
  573:                                                 push(@okcloners,$cloner);
  574:                                             }
  575:                                         }
  576:                                     }
  577:                                     if (@okcloners) {
  578:                                         my $okclonestr = join(',',@okcloners);
  579:                                         if ($newvalues{$entry} ne '') {
  580:                                             $newvalues{$entry} .= ','.$okclonestr;
  581:                                         } else {
  582:                                             $newvalues{$entry} = $okclonestr;
  583:                                         }
  584:                                     }
  585:                                 }
  586:                             }
  587:                             if (ref($disallowed) eq 'HASH') {
  588:                                 if (ref($disallowed->{'cloners'}) eq 'HASH') {
  589:                                     foreach my $key (keys(%{$disallowed->{'cloners'}})) {
  590:                                         $disallowed->{'cloners'}{$key} =~ s/,$//;
  591:                                     }
  592:                                 }
  593:                             }
  594:                         } elsif ($entry =~ /^default_enrollment_(start|end)_date$/) {
  595:                             $newvalues{$entry}=&Apache::lonhtmlcommon::get_date_from_form($entry);
  596:                         } elsif ($entry eq 'rolenames') {
  597:                             my %adv_roles =
  598:                                 &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
  599:                             my @stds;
  600:                             if ($crstype eq 'Community') {
  601:                                 @stds = ('co');
  602:                             } else {
  603:                                 @stds = ('cc');
  604:                             }
  605:                             push(@stds,('in','ta','ep','ad','st'));
  606:                             my (@replacements,@regulars);
  607:                             foreach my $role (@stds) {
  608:                                 if ($values->{$role.'.plaintext'} ne '') {
  609:                                     push(@replacements,$role);
  610:                                 } else {
  611:                                     push(@regulars,$role);
  612:                                 }
  613:                             }
  614:                             foreach my $stdrole (@stds) {
  615:                                 my $ext_entry = $entry.'_'.$stdrole;
  616:                                 my $stdname = &Apache::lonnet::plaintext($stdrole,$crstype,
  617:                                                                          $env{'request.course.id'},1);
  618:                                 if ($env{'form.'.$ext_entry} eq $stdname) {
  619:                                     $newvalues{$ext_entry} = '';
  620:                                 } else {
  621:                                     $newvalues{$ext_entry} = $env{'form.'.$ext_entry};
  622:                                 }
  623:                                 if ($newvalues{$ext_entry} ne $values->{$stdrole.'.plaintext'}) {
  624:                                     my $dupname = 0;
  625:                                     if ($newvalues{$ext_entry} ne '') {
  626:                                         if (grep(/^\Q$newvalues{$ext_entry}\E$/,@replacements)) {
  627:                                             $dupname = 1;
  628:                                             push(@{$disallowed->{'rolenames'}{'replacements'}},$newvalues{$ext_entry});
  629:                                         }
  630:                                         if (!$dupname) {
  631:                                             if (grep(/^\Q$newvalues{$ext_entry}\E$/,@regulars)) {
  632:                                                 $dupname = 1;
  633:                                                 push(@{$disallowed->{rolenames}{'regulars'}},$newvalues{$ext_entry});
  634:                                             }
  635:                                         }
  636:                                         if (!$dupname) {
  637:                                             foreach my $role (keys(%adv_roles)) {
  638:                                                 if ($role =~ m{^cr/$match_domain/$match_name/\Q$newvalues{$ext_entry}\E$}) {
  639:                                                     $dupname = 1;
  640:                                                     push(@{$disallowed->{rolenames}{'customrole'}},$newvalues{$ext_entry});
  641:                                                     last;
  642:                                                 }
  643:                                             }
  644:                                         }
  645:                                     }
  646:                                     if (!$dupname) {
  647:                                         $changes->{$ext_entry} = $newvalues{$ext_entry};
  648:                                     }
  649:                                 }
  650:                             }
  651:                         } elsif (($entry eq 'plc.roles.denied') || ($entry eq 'pch.roles.denied')) {
  652:                             my @denied = &Apache::loncommon::get_env_multiple('form.'.$entry);
  653:                             @denied = sort(@denied);
  654:                             my $deniedstr = '';
  655:                             if (@denied > 0) {
  656:                                 $deniedstr = join(',',@denied);  
  657:                             }
  658:                             $newvalues{$entry} = $deniedstr;
  659:                         } elsif (($entry eq 'plc.users.denied') || ($entry eq 'pch.users.denied')) {
  660:                             my $total = $env{'form.'.$entry.'_total'};
  661:                             my $userstr = '';
  662:                             my @denied;  
  663:                             if ($total > 0) {
  664:                                 my @deletes = 
  665:                                     &Apache::loncommon::get_env_multiple('form.'.$entry.'_delete');
  666:                                 for (my $i=0; $i<$total; $i++) {
  667:                                     unless (grep(/^$i$/,@deletes)) {
  668:                                         $userstr .= $env{'form.'.$entry.'_user_'.$i}.',';
  669:                                         push(@denied,$env{'form.'.$entry.'_user_'.$i});
  670:                                     }
  671:                                 }
  672:                             } else {
  673:                                 $total = 0;
  674:                             }
  675:                             if ($env{'form.'.$entry.'_uname_'.$total} ne '') {
  676:                                 my $uname = $env{'form.'.$entry.'_uname_'.$total};
  677:                                 my $udom = $env{'form.'.$entry.'_udom_'.$total};
  678:                                 if (&Apache::lonnet::homeserver($uname,$udom) eq 'no_host') {
  679:                                     $userstr =~ s/,$//;
  680:                                     $disallowed->{'discussion'}{$entry} = $uname.':'.$udom;
  681:                                 } else {
  682:                                     my $newuser .= $uname.':'.$udom;
  683:                                     if (grep(/^\Q$newuser\E$/,@denied)) {
  684:                                         $userstr =~ s/,$//;
  685:                                     } else {
  686:                                         $userstr .= $newuser;
  687:                                     }
  688:                                 }
  689:                             } else {
  690:                                 $userstr =~ s/,$//;
  691:                             }
  692:                             $newvalues{$entry} = $userstr;
  693:                         } elsif ($entry eq 'allow_discussion_post_editing') {
  694:                             my @canedit = &Apache::loncommon::get_env_multiple('form.'.$entry);
  695:                             @canedit = sort(@canedit);
  696:                             foreach my $role (@canedit) {
  697:                                 my @secs = &Apache::loncommon::get_env_multiple('form.'.$entry.'_sections_'.$role);
  698:                                 if ((grep(/^\s*$/,@secs)) || (@secs == 0)) {
  699:                                     $newvalues{$entry} .= $role.',';
  700:                                 } else {
  701:                                     foreach my $sec (@secs) {
  702:                                         $newvalues{$entry} .= $role.':'.$sec.',';
  703:                                     }
  704:                                 }
  705:                             }
  706:                             $newvalues{$entry} =~ s/,$//;
  707:                         } elsif ($entry eq 'nothideprivileged') {
  708:                             my @curr_nothide;
  709:                             my @new_nothide;
  710:                             if ($values->{$entry} ne '') {
  711:                                 foreach my $user (split(/\s*\,\s*/,$values->{$entry})) {
  712:                                     my $nothide;
  713:                                     if ($user !~ /:/) {
  714:                                         $nothide = join(':',split(/[\@]/,$user));
  715:                                     } else {
  716:                                         $nothide = $user;
  717:                                     }
  718:                                     if ((defined($nothide)) && 
  719:                                         (!grep(/^\Q$nothide\E$/,@curr_nothide))) {
  720:                                         push(@curr_nothide,$nothide);   
  721:                                     }
  722:                                 }
  723:                             }
  724:                             foreach my $key (keys(%env)) {
  725:                                 if ($key =~ /^form\.\Q$entry\E_($match_username:$match_domain)$/) {
  726:                                     if ($env{$key}) {
  727:                                        my $nothide = $1;
  728:                                        if (!grep(/^\Q$nothide\E$/,@new_nothide)) {
  729:                                            push(@new_nothide,$nothide); 
  730:                                         }
  731:                                     }
  732:                                 }
  733:                             }
  734:                             @new_nothide = sort(@new_nothide);
  735:                             my @differences =
  736:                                 &Apache::loncommon::compare_arrays(\@curr_nothide,
  737:                                                                    \@new_nothide);
  738:                             if (@differences > 0) {
  739:                                 if (@new_nothide > 0) { 
  740:                                     $newvalues{$entry} = join(',',@new_nothide);
  741:                                 } else {
  742:                                     $newvalues{$entry} = '';
  743:                                 }
  744:                             } else {
  745:                                 $newvalues{$entry} = $values->{$entry}; 
  746:                             }
  747:                         } elsif ($entry eq 'print_header_format') {
  748:                             my $maxnum = $env{'form.printfmthdr_maxnum'};
  749:                             my @newhdr;
  750:                             if ($maxnum > 2) {
  751:                                 for (my $i=0; $i<$maxnum-2; $i++) {
  752:                                     if ($env{'form.printfmthdr_del_'.$i}) {
  753:                                         $newhdr[$env{'form.printfmthdr_pos_'.$i}] = '';
  754:                                     } else {
  755:                                         my $hdr;
  756:                                         if ($env{'form.printfmthdr_sub_'.$i} =~ /^[nca]$/) {
  757:                                             $hdr = '%';
  758:                                             if ($env{'form.printfmthdr_limit_'.$i} =~ /^\d+$/) {
  759:                                                 $hdr .= $env{'form.printfmthdr_limit_'.$i};
  760:                                             }
  761:                                             $hdr .= $env{'form.printfmthdr_sub_'.$i};
  762:                                         } elsif ($env{'form.printfmthdr_sub_'.$i} ne '') {
  763:                                             $hdr = $env{'form.printfmthdr_sub_'.$i};
  764:                                         }
  765:                                         $newhdr[$env{'form.printfmthdr_pos_'.$i}] = $hdr;
  766:                                     }
  767:                                 }
  768:                             }
  769:                             my $newsub = $maxnum-2;
  770:                             if ($env{'form.printfmthdr_sub_'.$newsub} =~ /^[nca]$/) {
  771:                                 my $hdr = '%';
  772:                                 if ($env{'form.printfmthdr_limit_'.$newsub} =~ /^\d+$/) {
  773:                                     $hdr .= $env{'form.printfmthdr_limit_'.$newsub};
  774:                                 }
  775:                                 $hdr .= $env{'form.printfmthdr_sub_'.$newsub};
  776:                                 $newhdr[$env{'form.printfmthdr_pos_'.$newsub}] = $hdr;
  777:                             }
  778:                             my $newtext = $maxnum-1;
  779:                             $newhdr[$env{'form.printfmthdr_pos_'.$newtext}] = $env{'form.printfmthdr_text_'.$newtext};
  780:                             $newvalues{$entry} = join('',@newhdr);
  781:                         } elsif ($entry eq 'languages') {
  782:                             my $langstr;
  783:                             my $total = $env{'form.'.$entry.'_total'};
  784:                             if ($total) {
  785:                                 my @deletes = &Apache::loncommon::get_env_multiple('form.'.$entry.'_delete');
  786:                                 for (my $i=0; $i<$total; $i++) {
  787:                                     unless (grep(/^$i$/,@deletes)) {
  788:                                        $langstr .= $env{'form.'.$entry.'_'.$i}.',';
  789:                                     }
  790:                                 }
  791:                             } else {
  792:                                 $total = 0;
  793:                             }
  794:                             if ($env{'form.'.$entry.'_'.$total} ne '') {
  795:                                 my $newlang = $env{'form.'.$entry.'_'.$total};
  796:                                 my %langchoices = &get_lang_choices();
  797:                                 if ($langchoices{$newlang}) {
  798:                                     $langstr .= $newlang;
  799:                                 } else {
  800:                                     $langstr =~ s/,$//;
  801:                                     $disallowed->{'localization'}{$entry} = $newlang;
  802:                                 }
  803:                             } else {
  804:                                 $langstr =~ s/,$//;
  805:                             }
  806:                             $newvalues{$entry} = $langstr;
  807:                         } else {
  808:                             $newvalues{$entry} = $env{'form.'.$entry};
  809:                         }
  810:                         if ($newvalues{$entry} ne $values->{$entry}) {
  811:                             $changes->{$entry} = $newvalues{$entry};
  812:                         }
  813:                     }
  814:                 }
  815:             }
  816:         }
  817:     }
  818:     return;
  819: }
  820: 
  821: sub get_sec_str {
  822:     my ($entry,$num) = @_;
  823:     my @secs = &Apache::loncommon::get_env_multiple('form.'.$entry.'_sections_'.$num);
  824:     my $secstr;
  825:     if (grep(/^\s*$/,@secs)) {
  826:         $secstr = '';
  827:     } elsif (@secs > 0) {
  828:         $secstr = join(';',@secs);
  829:     }
  830:     if ($secstr ne '') {
  831:         return '('.$secstr.')';
  832:     }
  833:     return;
  834: }
  835: 
  836: sub check_clone {
  837:     my ($clonedom,$disallowed,$clonename) = @_;
  838:     return if (ref($disallowed) ne 'HASH');
  839:     if ($clonedom !~ /^$match_domain$/) {
  840:         $disallowed->{'cloners'}{'format'} .= $clonedom.',';
  841:         return;
  842:     } elsif (!&Apache::lonnet::domain($clonedom)) {
  843:         $disallowed->{'cloners'}{'domain'} .= $clonedom.',';
  844:         return;
  845:     }
  846:     if ($clonename ne '') {
  847:         if ($clonename !~ /^$match_username$/) {
  848:             $disallowed->{'cloners'}{'format'} .= $clonename.':'.$clonedom.',';
  849:             return;
  850:         } else {
  851:             if (&Apache::lonnet::homeserver($clonename,$clonedom) eq 'no_host') {
  852:                 $disallowed->{'cloners'}{'newuser'} .= $clonename.':'.$clonedom.',';
  853:                 return;
  854:             }
  855:         }
  856:     }
  857:     return 'ok';
  858: }
  859: 
  860: sub store_changes {
  861:     my ($cdom,$cnum,$prefs_order,$actions,$prefs,$values,$changes,$crstype) = @_;
  862:     my ($chome,$output);
  863:     my (%storehash,@delkeys,@need_env_update);
  864:     if ((ref($values) eq 'HASH') && (ref($changes) eq 'HASH')) {
  865:         %storehash = %{$values};
  866:     } else {
  867:         if ($crstype eq 'Community') {
  868:             $output = &mt('No changes made to community settings.');
  869:         } else {
  870:             $output = &mt('No changes made to course settings.');
  871:         }
  872:         return $output;
  873:     }
  874:     my %yesno = (
  875:                  hidefromcat           => '1',
  876:                  problem_stream_switch => '1',
  877:                  suppress_tries        => '1',
  878:                  disableexampointprint => '1',
  879:                  hideemptyrows         => '1',
  880:                  suppress_embed_prompt => '1',
  881:                 );
  882:     foreach my $item (@{$prefs_order}) {
  883:         if (grep(/^\Q$item\E$/,@{$actions})) {
  884:             $output .= '<h3>'.&mt($prefs->{$item}{'text'}).'</h3>';
  885:             if (ref($changes->{$item}) eq 'HASH') {
  886:                 if (keys(%{$changes->{$item}}) > 0) {
  887:                     $output .= &mt('Changes made:').'<ul>';
  888:                     if ($item eq 'other') {
  889:                         foreach my $key (sort(keys(%{$changes->{$item}}))) {
  890:                             $storehash{$key} = $changes->{$item}{$key};
  891:                             if ($changes->{$item}{$key} eq '') {
  892:                                 push(@delkeys,$key);
  893:                                 $output .= '<li>'.&mt('Deleted setting for [_1]','<i>'.$key.'</i>').'</li>';
  894:                             } else {
  895:                                 $output .= '<li>'.&mt('[_1] set to [_2]','<i>'.$key.'</i>',
  896:                                            "'$storehash{$key}'").'</li>';
  897:                             }
  898:                         }
  899:                     } else {
  900:                         if (ref($prefs->{$item}->{'ordered'}) eq 'ARRAY') {
  901:                             my @settings = @{$prefs->{$item}->{'ordered'}};
  902:                             if ($item eq 'feedback') {
  903:                                 push(@settings,(map { $_.'.text'; } @settings));
  904:                             }
  905:                             foreach my $key (@settings) {
  906:                                 if ($key eq 'rolenames') {
  907:                                     my $displayname = $prefs->{$item}->{'itemtext'}{$key};
  908:                                     my $msg;
  909:                                     my @roles;
  910:                                     if ($crstype eq 'Community') {
  911:                                         @roles = ('co');
  912:                                     } else {
  913:                                         @roles = ('cc');
  914:                                     }
  915:                                     push(@roles,('in','ta','ep','ad','st'));
  916:                                     foreach my $role (@roles) {
  917:                                         next if (!exists($changes->{$item}{$key.'_'.$role}));
  918:                                         my $stdname = &Apache::lonnet::plaintext($role,$crstype,undef,1);
  919:                                         my $newname = $changes->{$item}{$key.'_'.$role};
  920:                                         $storehash{$role.'.plaintext'} = $newname;
  921:                                         if ($newname eq '') {
  922:                                             $newname = $stdname;
  923:                                         }
  924:                                         $msg .= '<li>'.&mt('[_1] set to [_2]','<i>'.$stdname.'</i>',
  925:                                                 "'<b>".$newname."</b>'").'</li>';
  926:                                     }
  927:                                     if ($msg ne '') {
  928:                                         $output .= '<li>'.&mt($displayname).'<ul>'.$msg.'</ul></li>';
  929:                                     }
  930:                                 } else {
  931:                                     next if (!exists($changes->{$item}{$key}));
  932:                                     my ($displayname,$text);
  933:                                     $text = $prefs->{$item}->{'itemtext'}{$key};
  934:                                     my $displayval = $changes->{$item}{$key};
  935:                                     if ($item eq 'feedback') {
  936:                                         if ($key =~ /^(question|policy|comment)(\.email)\.text$/) {
  937:                                             $text = $prefs->{$item}->{'itemtext'}{$1.$2};
  938:                                             $displayname = &mt('Custom text for '.$text.' questions');
  939:                                         } else {
  940:                                             $displayname = &mt('Recipients of '.$text.' questions');
  941:                                         }
  942:                                     } elsif ($item eq 'discussion') {
  943:                                         if ($key =~ /^p(lc|ch)\.roles\.denied/) {
  944:                                             $displayname = &mt("$text (role-based)");
  945:                                             if ($displayval ne '') {
  946:                                                 my @roles = split(',',$displayval);
  947:                                                 @roles = map { &Apache::lonnet::plaintext($_); } @roles;
  948:                                                 $displayval = join(', ',@roles);
  949:                                             } 
  950:                                         } elsif ($key =~ /^p(lc|ch)\.users\.denied/) {
  951:                                             $displayname = &mt("$text (specific user(s))");
  952:                                         } else {
  953:                                             if ($key eq 'allow_discussion_post_editing') {
  954:                                                 if ($displayval ne '') {
  955:                                                     my @roles = split(',',$displayval);
  956:                                                     my @longroles;
  957:                                                     foreach my $role (@roles) {
  958:                                                         my ($trole,$sec) = split(':',$role);
  959:                                                         my $rolename = 
  960:                                                             &Apache::lonnet::plaintext($trole);
  961:                                                         if ($sec ne '') {
  962:                                                             $rolename .= ':'.$sec;
  963:                                                         }
  964:                                                         push(@longroles,$rolename);
  965:                                                     }
  966:                                                     $displayval = join(', ',@longroles);
  967:                                                 }
  968:                                             }
  969:                                             $displayname = &mt($text);
  970:                                         }
  971:                                     } elsif ($item eq 'spreadsheet') {
  972:                                         if ($key =~ /^spreadsheet_default_(studentcalc|assesscalc)$/x) {
  973:                                             my $sheettype = $1;
  974:                                             if ($sheettype eq 'studentcalc') {
  975:                                                 &Apache::lonnet::expirespread('','','studentcalc');
  976:                                             } else {
  977:                                                 &Apache::lonnet::expirespread('','','assesscalc');
  978:                                                 &Apache::lonnet::expirespread('','','studentcalc');
  979:                                             }
  980:                                         }
  981:                                         $displayname = &mt($text);
  982:                                     } else {
  983:                                         $displayname = &mt($text);
  984:                                     }
  985:                                     if (defined($yesno{$key})) {
  986:                                         $displayval = &mt('No');
  987:                                         if ($changes->{$item}{$key} eq 'yes') {
  988:                                             $displayval = &mt('Yes');         
  989:                                         }
  990:                                     } elsif (($key =~ /^default_enrollment_(start|end)_date$/) && ($displayval)) {
  991:                                         $displayval = &Apache::lonlocal::locallocaltime($displayval);
  992:                                     } elsif ($key eq 'categories') {
  993:                                         $displayval = $env{'form.categories_display'};
  994:                                     }  
  995:                                     if ($changes->{$item}{$key} eq '') {
  996:                                         push(@delkeys,$key);
  997:                                         $output .= '<li>'.&mt('Deleted setting for [_1]',
  998:                                                    '<i>'.$displayname.'</i>').'</li>';
  999:                                     } else {
 1000:                                         $output .= '<li>'.&mt('[_1] set to [_2]',
 1001:                                                    '<i>'.$displayname.'</i>',
 1002:                                                    "'<b>$displayval</b>'");
 1003:                                         if ($key eq 'url') {
 1004:                                             my $bkuptime=time;
 1005:                                             $output .= ('&nbsp;'x2).&mt('(Previous URL backed up)').': '.
 1006:                                             $storehash{'top level map backup '.$bkuptime} => $values->{$key};
 1007:                                         }
 1008:                                         $output .= '</li>';
 1009:                                     }
 1010:                                     $storehash{$key} = $changes->{$item}{$key};
 1011:                                 }
 1012:                                 if (($key eq 'description') || ($key eq 'cloners') ||
 1013:                                     ($key eq 'hidefromcat') || ($key eq 'categories')) {
 1014:                                     push(@need_env_update,$key);
 1015:                                 }
 1016:                             }
 1017:                         }
 1018:                     }
 1019:                     $output .= '</ul>';
 1020:                 } else {
 1021:                     if ($crstype eq 'Community') {
 1022:                         $output = &mt('No changes made to community settings.');
 1023:                     } else {
 1024:                         $output = &mt('No changes made to course settings.');
 1025:                     }
 1026:                 }
 1027:             }
 1028:         }
 1029:     }
 1030:     if (&Apache::lonnet::put('environment',\%storehash,$cdom,$cnum) eq 'ok') {
 1031:         if (@delkeys) {
 1032:             if (&Apache::lonnet::del('environment',\@delkeys,$cdom,$cnum) ne 'ok') {
 1033:                 $output .= '<br /><span class="LC_error">';
 1034:                 if ($crstype eq 'Community') {
 1035:                     $output .= &mt('An error occurred when removing community settings which are no longer in use.');
 1036:                 } else {
 1037:                     $output .= &mt('An error occurred when removing course settings which are no longer in use.');
 1038:                 }
 1039:                 $output .= '</span>';
 1040:             }
 1041:         } else {
 1042:             foreach my $key (@delkeys) {
 1043:                 &Apache::lonnet::delenv('course.'.$cdom.'_'.$cnum.'.'.$key);
 1044:             }
 1045:         }
 1046:         if (@need_env_update) {
 1047:             $chome = &Apache::lonnet::homeserver($cnum,$cdom);
 1048:             &update_env($cnum,$cdom,$chome,\@need_env_update,\%storehash);
 1049:         }
 1050:         &Apache::lonnet::coursedescription($env{'request.course.id'},
 1051:                                            {'freshen_cache' => 1});
 1052:     } else {
 1053:         $output = '<span class="LC_error">';
 1054:         if ($crstype eq 'Community') {
 1055:             $output .= &mt('An error occurred when saving changes to community settings, which remain unchanged.');
 1056:         } else {          
 1057:             $output .= &mt('An error occurred when saving changes to course settings, which remain unchanged.');
 1058:         }
 1059:         $output .= '</span>';
 1060:     }
 1061:     return $output;
 1062: }
 1063: 
 1064: sub update_env {
 1065:     my ($cnum,$cdom,$chome,$need_env_update,$storehash)  = @_;
 1066:     my $count = 0;
 1067:     if ((ref($need_env_update) eq 'ARRAY') && (ref($storehash) eq 'HASH')) {    
 1068:         my %crsinfo = &Apache::lonnet::courseiddump($cdom,'.',1,'.','.',$cnum,undef,undef,'.');
 1069:         if (ref($crsinfo{$env{'request.course.id'}}) eq 'HASH') {
 1070:             foreach my $key (@{$need_env_update}) {
 1071:                 if ($key eq 'description' && defined($storehash->{$key})) {
 1072:                     &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.description' => $storehash->{$key}});
 1073:                     $crsinfo{$env{'request.course.id'}}{'description'} = $storehash->{$key};
 1074:                     $count ++;
 1075:                 } elsif (($key eq 'cloners') || ($key eq 'hidefromcat') || ($key eq 'categories')) {
 1076:                     &Apache::lonnet::appenv({'course.'.$env{'request.course.id'}.'.'.$key => $storehash->{$key}});
 1077:                     $crsinfo{$env{'request.course.id'}}{$key} = $storehash->{$key};
 1078:                     $count ++;
 1079:                 }
 1080:             }
 1081:             if ($count) {
 1082:                 my $putresult = &Apache::lonnet::courseidput($cdom,\%crsinfo,$chome,'notime');
 1083:             }
 1084:         }
 1085:     }
 1086:     return;
 1087: }
 1088: 
 1089: sub display_disallowed {
 1090:     my ($item,$disallowed,$prefs,$crstype) = @_;
 1091:     my $output;
 1092:     if ((ref($disallowed) eq 'HASH') && (ref($prefs) eq 'HASH')) {
 1093:         if (keys(%{$disallowed})) {
 1094:             if ($item eq 'cloners') {
 1095:                 my @fails;
 1096:                 my %lt = &Apache::lonlocal::texthash (
 1097:                                  format  => 'Invalid format',
 1098:                                  domain  => 'Domain does not exist',
 1099:                                  newuser => 'LON-CAPA user(s) do(es) not exist.',
 1100:                          );
 1101:                 foreach my $error ('format','domain','newuser') {
 1102:                     if (defined($disallowed->{$error})) {
 1103:                         my $msg = '<b>'.$disallowed->{$error}.'</b>, '.&mt('reason').' - '.
 1104:                                   $lt{$error}; 
 1105:                         if ($error eq 'newuser') {
 1106:                             $msg .= '<br />'.&mt("Please [_1]add the user(s)[_2] before returning to the [_3]$crstype Configuration[_2] to add as potential cloners.",'<a href="/adm/createuser">','</a>','<a href="/adm/courseprefs">');
 1107:                         }
 1108:                         push(@fails,$msg);
 1109:                     }
 1110:                 }
 1111:                 if (@fails) {
 1112:                     $output .= '<span class="LC_warning">'.&mt('Unable to add to allowed cloners: ').
 1113:                                '</span>'.join(';&nbsp;&nbsp;',@fails).'.<br />';
 1114:                 }
 1115:             } elsif ($item eq 'rolenames') {
 1116:                 my %lt = &Apache::lonlocal::texthash (
 1117:                     replacements => 'Name already used to replace a different standard role name',
 1118:                     regulars     => 'Name already used as a standard role name',
 1119:                     customrole   => 'Name already used as the name of a custom role',
 1120:                 );
 1121:                 my @fails;
 1122:                 foreach my $error ('replacements','regulars','customrole') {
 1123:                     if (ref($disallowed->{$error}) eq 'ARRAY') {
 1124:                         push(@fails,'<b>'.join(', ',@{$disallowed->{$error}}).
 1125:                                     '</b>, '.&mt('reason').' - '.$lt{'error'});
 1126:                     }
 1127:                 }
 1128:                 if (@fails) {
 1129:                     $output .= '<span class="LC_warning">'.
 1130:                                &mt('Unable to include amongst replacements for role names: ').
 1131:                                '</span>'.join(';&nbsp;&nbsp;',@fails).'.<br />';
 1132:                 }
 1133: 
 1134:             } elsif (($item eq 'feedback') || ($item eq 'discussion') || ($item eq 'localization')) {
 1135:                 $output .= '<span class="LC_warning">';
 1136:                 if ($item eq 'feedback') {
 1137:                     if ($crstype eq 'Community') {
 1138:                         $output .= &mt('Unable to include as a recipient of community feedback for:');
 1139:                     } else {
 1140:                         $output .= &mt('Unable to include as a recipient of course feedback for:');
 1141:                     }
 1142:                 } elsif ($item eq 'discussion') {
 1143:                     $output .= &mt('Unable to include in user-based access control for:');
 1144:                 } elsif ($item eq 'localization') {
 1145:                     if ($crstype eq 'Community') {
 1146:                         $output .= &mt('Unable to include in community localization:');
 1147:                     } else {
 1148:                         $output .= &mt('Unable to include in course localization:');
 1149:                     }
 1150:                 }
 1151:                 $output .= '</span><ul>';
 1152:                 foreach my $key (sort(keys(%{$disallowed}))) {
 1153:                     my $itemtext = $prefs->{$item}{'itemtext'}{$key};
 1154:                     $output .=  '<li><i>'.$itemtext.'</i> - ';
 1155:                     if ($item eq 'localization') {
 1156:                         $output .= &mt('reason - unsupported language: [_1]',
 1157:                                        '<b>'.$disallowed->{$key}.'</b>');
 1158:                     } else {
 1159:                         $output .= &mt('reason - invalid user: [_1]',
 1160:                                        '<b>'.$disallowed->{$key}.'</b>').'</li>';
 1161:                     }
 1162:                 }
 1163:                 $output .= '</ul><br />';
 1164:             }
 1165:         }
 1166:     }
 1167:     return $output;
 1168: }
 1169: 
 1170: sub get_course {
 1171:     my ($courseid) = @_;
 1172:     if (!defined($courseid)) {
 1173:         $courseid = $env{'request.course.id'};
 1174:     }
 1175:     my $cdom=$env{'course.'.$courseid.'.domain'};
 1176:     my $cnum=$env{'course.'.$courseid.'.num'};
 1177:     return ($cnum,$cdom);
 1178: }
 1179: 
 1180: sub get_jscript {
 1181:     my ($cdom,$phase,$crstype) = @_;
 1182:     my ($can_toggle_cat,$can_categorize) = &can_modify_catsettings($cdom,$crstype);
 1183:     my ($jscript,$categorize_js);
 1184:     my $stubrowse_js = &Apache::loncommon::studentbrowser_javascript();
 1185:     my $browse_js = &Apache::loncommon::browser_and_searcher_javascript('parmset');
 1186:     my $cloners_js = &cloners_javascript($phase);
 1187:     if ($can_categorize) {
 1188:         $categorize_js = <<ENDSCRIPT;
 1189: function catsbrowser() {
 1190:     var catswin = null;
 1191:     var url = '/adm/courseprefs?phase=categorizecourse';
 1192:     if (!catswin || catswin.closed) {
 1193:         catswin=window.open(url,'categorieswin','height=480,width=600,resizable=yes,scrollbars=yes,location=no,menubar=no,toolbar=no');
 1194:     } else {
 1195:         catswin.focus();
 1196:     }
 1197: }
 1198: ENDSCRIPT
 1199:     }
 1200:     $jscript = '<script type="text/javascript" language="Javascript">'."\n".
 1201:                $browse_js."\n".$categorize_js."\n".$cloners_js."\n".'</script>'.
 1202:                "\n".$stubrowse_js."\n";
 1203:     return $jscript;
 1204: }
 1205: 
 1206: sub cloners_javascript {
 1207:     my ($formname) = @_;
 1208:     return <<"ENDSCRIPT";
 1209: 
 1210: function update_cloners(caller,num) {
 1211:     var delidx = getIndexByName('cloners_delete');
 1212:     var actidx = getIndexByName('cloners_activate');
 1213:     if (caller == 'cloners_all') {
 1214:         var selall;
 1215:         for (var i=0; i<document.$formname.cloners_all.length; i++) {
 1216:             if (document.$formname.cloners_all[i].checked) {
 1217:                 selall = document.$formname.cloners_all[i].value;
 1218:             }
 1219:         }
 1220:         if (selall == 1) {
 1221:             if (delidx != -1) {
 1222:                 if (document.$formname.cloners_delete.length) {
 1223:                     for (var j=0; j<document.$formname.cloners_delete.length; j++) {
 1224:                         document.$formname.cloners_delete[j].checked = true;
 1225:                     }
 1226:                 } else {
 1227:                     document.$formname.elements[delidx].checked = true;
 1228:                 }
 1229:             }
 1230:             if (actidx != -1) {
 1231:                 if (document.$formname.cloners_activate.length) {
 1232:                     for (var i=0; i<document.$formname.cloners_activate.length; i++) {
 1233:                         if (document.$formname.cloners_activate[i].value == '0') {
 1234:                             document.$formname.cloners_activate[i].checked = false;
 1235:                         }
 1236:                         if (document.$formname.cloners_activate[i].value == '') {
 1237:                             document.$formname.cloners_activate[i].checked = true;
 1238:                         }
 1239:                     }
 1240:                 }
 1241:             }
 1242:             document.$formname.cloners_newdom.selectedIndex = 0;
 1243:         }
 1244:     }
 1245:     if (caller == 'cloners_activate') {
 1246:         if (document.$formname.cloners_activate.length) {
 1247:             for (var j=0; j<document.$formname.cloners_activate.length; j++) {
 1248:                 if (document.$formname.cloners_activate[j].value == num) {
 1249:                     if (document.$formname.cloners_activate[j].checked) {
 1250:                         for (var i=0; i<document.$formname.cloners_all.length; i++) {
 1251:                             if (document.$formname.cloners_all[i].value == '1') {
 1252:                                 document.$formname.cloners_all[i].checked = false;
 1253:                             }
 1254:                             if (document.$formname.cloners_all[i].value == '0') {
 1255:                                 document.$formname.cloners_all[i].checked = true;
 1256:                             }
 1257:                         }
 1258:                     }
 1259:                 }
 1260:             }
 1261:         } else {
 1262:             for (var i=0; i<document.$formname.cloners_all.length; i++) {
 1263:                 if (document.$formname.cloners_all[i].value == '1') {
 1264:                     document.$formname.cloners_all[i].checked = false;
 1265:                 }
 1266:                 if (document.$formname.cloners_all[i].value == '0') {
 1267:                     document.$formname.cloners_all[i].checked = true;
 1268:                 }
 1269:             }
 1270:         }
 1271:     }
 1272:     return;
 1273: }
 1274: 
 1275: function getIndexByName(item) {
 1276:     for (var i=0;i<document.$formname.elements.length;i++) {
 1277:         if (document.$formname.elements[i].name == item) {
 1278:             return i;
 1279:         }
 1280:     }
 1281:     return -1;
 1282: }
 1283: 
 1284: ENDSCRIPT
 1285: }
 1286: 
 1287: 
 1288: sub print_courseinfo {
 1289:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype) = @_;
 1290:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 1291:         return;
 1292:     }
 1293:     my ($cathash,$categoriesform);
 1294:     my %domconf = 
 1295:         &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
 1296:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 1297:         $cathash = $domconf{'coursecategories'}{'cats'};
 1298:         if (ref($cathash) eq 'HASH') {
 1299:             $categoriesform = 
 1300:                 &Apache::loncommon::assign_categories_table($cathash,
 1301:                                                 $settings->{'categories'},$crstype)."\n";
 1302:         }
 1303:     }
 1304:     if (!defined($categoriesform)) {
 1305:         $categoriesform = &mt('No categories defined in this domain.');
 1306:     }
 1307: 
 1308:     my ($can_toggle_cat,$can_categorize) = &can_modify_catsettings($cdom,$crstype);
 1309: 
 1310:     my $replace;
 1311:     if ($crstype eq 'Community') {
 1312:         $replace = &mt('To replace the standard title for a course role, enter a title, otherwise leave blank');
 1313:     } else {
 1314:         $replace = &mt('To replace the standard title for a course role, enter a title, otherwise leave blank');
 1315:     }
 1316:     my %items = (
 1317:         'url' => {
 1318:                    text => '<b>'.&mt($itemtext->{'url'}).'</b>'.('&nbsp;'x2).
 1319:                            '<a href="javascript:openbrowser'.
 1320:                            "('display','url','sequence')\">".
 1321:                            &mt('Select Map').'</a><br /><span class="LC_warning"> '.
 1322:                            &mt('Modification may make assessment data inaccessible!').
 1323:                            '</span>',
 1324:                    input => 'textbox',
 1325:                    size  => '40',
 1326:                  },
 1327:         'description'  => { 
 1328:                    text => '<b>'.&mt($itemtext->{'description'}).'</b>',
 1329:                    input => 'textbox',
 1330:                    size  => '25',
 1331:                           },
 1332:         'courseid'     => { 
 1333:                    text => '<b>'.&mt($itemtext->{'courseid'}).'</b><br />'.'('.
 1334:                            &mt('internal, optional').')',
 1335:                    input => 'textbox',
 1336:                    size  => '25',
 1337:                           },
 1338:         'cloners'      => { 
 1339:                    text => '<b>'.&mt($itemtext->{'cloners'}).'</b><br />'.
 1340:                            &mt('Coordinators included automatically'),
 1341:                    input => 'textbox',
 1342:                    size  => '40',
 1343:                          },
 1344:         'rolenames'  => { 
 1345:                    text  => '<b>'.&mt($itemtext->{'rolenames'}).'</b><br />'.
 1346:                             '('.$replace.')',
 1347:                    input => 'textbox',
 1348:                    size  => '20',
 1349:                         },
 1350:         'externalsyllabus' => {
 1351:                    text => '<b>'.&mt($itemtext->{'externalsyllabus'}).'</b><br />('.
 1352:                            &mt('not using syllabus template)'),
 1353:                    input => 'textbox',
 1354:                    size  => '40',
 1355:                         },
 1356:         'hidefromcat' => {
 1357:                    text => '<b>'.&mt($itemtext->{'hidefromcat'}).'</b><br />'.
 1358:                            ' ('.&mt('included by default if assigned institutional code, or categorized').')',
 1359:                    input => 'radio',
 1360:                          },
 1361:         'categories' => {
 1362:                    text => '<b>'.&mt($itemtext->{'categories'}).'</b> <a href="javascript:catsbrowser()">'.
 1363:                            &mt('Display Categories').'</a>',
 1364:                    input => 'textbox',
 1365:                    size  => '25',
 1366:                         },
 1367:     );
 1368:     my $datatable;
 1369:     my $count = 0;
 1370:     foreach my $item (@{$ordered}) {
 1371:         if ($item eq 'hidefromcat') {
 1372:             next if (!$can_toggle_cat);
 1373:         } elsif ($item eq 'categories') {
 1374:             next if (!$can_categorize);
 1375:         }
 1376:         $count ++;
 1377:         $datatable .= &item_table_row_start($items{$item}{text},$count);
 1378:         if ($items{$item}{input} eq 'radio') {
 1379:             $datatable .= &yesno_radio($item,$settings);
 1380:         } elsif ($item eq 'cloners') {
 1381:             my $includeempty = 1;
 1382:             my $num = 0;
 1383:             $datatable .= &Apache::loncommon::start_data_table().
 1384:                           &Apache::loncommon::start_data_table_row().
 1385:                           '<td><span class="LC_nobreak"><label>'.
 1386:                           &mt('Any user in any domain:').
 1387:                           '&nbsp;<input type="radio" name="cloners_all" value="1" ';
 1388:             if ($settings->{$item} eq '*') {
 1389:                 $datatable .= ' checked="checked" ';
 1390:             }
 1391:             $datatable .= 'onchange="javascript:update_cloners('.
 1392:                           "'cloners_all'".');" />'.&mt('Yes').'</label>'.
 1393:                           ('&nbsp;'x2).'<input type="radio" name="cloners_all" value="0" ';
 1394:             if ($settings->{$item} ne '*') {
 1395:                 $datatable .= ' checked="checked" ';
 1396:             }
 1397:             $datatable .= ' onchange="javascript:update_cloners('.
 1398:                           "'cloners_all'".');"/>'.&mt('No').'</label></td>'.
 1399:                           &Apache::loncommon::end_data_table_row().
 1400:                           &Apache::loncommon::end_data_table().
 1401:                           '<table><tr><td align="left">'.&mt('Or').
 1402:                           '</td></tr></table>'.
 1403:                           &Apache::loncommon::start_data_table();
 1404:             my @cloners;
 1405:             if ($settings->{$item} eq '') {
 1406:                 $datatable .= &new_cloners_dom_row($cdom,'0');
 1407:             } elsif ($settings->{$item} ne '*') {
 1408:                 my @entries = split(/,/,$settings->{$item});
 1409:                 if (@entries > 0) {
 1410:                     foreach my $entry (@entries) {
 1411:                         my ($uname,$udom) = split(/:/,$entry);
 1412:                         if ($uname eq '*') {
 1413:                             $datatable .= 
 1414:                                 &Apache::loncommon::start_data_table_row().
 1415:                                 '<td valign="top" align="left"><span class="LC_nobreak">'.
 1416:                                 &mt('Domain:').'<b>&nbsp;'.$udom.
 1417:                                 '</b><input type="hidden" name="cloners_dom_'.$num.
 1418:                                 '" value="'.$udom.'" /></span><br />'.
 1419:                                 '<span class="LC_nobreak"><label><input type="checkbox" '.
 1420:                                 'name="cloners_delete" value="'.$num.'" onchange="javascript:update_cloners('."'cloners_delete','$num'".');" />'.
 1421:                                 &mt('Delete').'</label></span></td>'.
 1422:                                 &Apache::loncommon::end_data_table_row();
 1423:                             $num ++;
 1424:                         } else {
 1425:                             push(@cloners,$entry);
 1426:                         }
 1427:                     }
 1428:                 }
 1429:             }
 1430:             my $add_domtitle = &mt('Any user in additional domain:');
 1431:             if ($settings->{$item} eq '*') {
 1432:                 $add_domtitle = &mt('Any user in specific domain:');
 1433:             } elsif ($settings->{$item} eq '') {
 1434:                 $add_domtitle = &mt('Any user in other domain:');
 1435:             }
 1436:             my $cloners_str = join(',',@cloners);
 1437:             $datatable .= &Apache::loncommon::start_data_table_row().
 1438:                           '<td align="left"><span class="LC_nobreak">'.
 1439:                           $add_domtitle.'</span><br />'.
 1440:                           &Apache::loncommon::select_dom_form('','cloners_newdom',
 1441:                                                               $includeempty).
 1442:                           '<input type="hidden" name="cloners_total" value="'.$num.'" />'.
 1443:                           '</td>'.&Apache::loncommon::end_data_table_row().
 1444:                           &Apache::loncommon::end_data_table().
 1445:                           '<table><tr><td align="left">'.&mt('And').
 1446:                           '</td></tr></table>'.
 1447:                           &Apache::loncommon::start_data_table().
 1448:                           &Apache::loncommon::start_data_table_row().
 1449:                           '<td align="left">'.
 1450:                           &mt('Specific users').'&nbsp;(<tt>'.
 1451:                           &mt('user:domain,user:domain').'</tt>)<br />'.
 1452:                           &Apache::lonhtmlcommon::textbox($item,$cloners_str,
 1453:                                                           $items{$item}{'size'}).
 1454:                           '</td>'.&Apache::loncommon::end_data_table_row().
 1455:                           &Apache::loncommon::end_data_table();
 1456:         } elsif ($item eq 'rolenames') {
 1457:             $datatable .= &Apache::loncommon::start_data_table();
 1458:             my @roles;
 1459:             if ($crstype eq 'Community') {
 1460:                 @roles = ('co');
 1461:             } else {
 1462:                 @roles = ('cc');
 1463:             }
 1464:             push (@roles,('in','ta','ep','ad','st'));
 1465:             foreach my $role (@roles) {
 1466:                 $datatable .= &Apache::loncommon::start_data_table_row().
 1467:                               '<td align="left"><span class="LC_nobreak">'.
 1468:                               &Apache::lonnet::plaintext($role,$crstype,undef,1).
 1469:                               '</span></td><td align="left">'.
 1470:                               &Apache::lonhtmlcommon::textbox('rolenames_'.$role,
 1471:                                                  $settings->{$role.'.plaintext'},
 1472:                                                  $items{$item}{size}).'</td>'.
 1473:                               &Apache::loncommon::end_data_table_row();
 1474:             }
 1475:             $datatable .= &Apache::loncommon::end_data_table().'</td>';
 1476:         } elsif ($item eq 'categories') {
 1477:             my $launcher = 'onFocus="this.blur();javascript:catsbrowser();";';
 1478:             $datatable .= '<input type="hidden" name="categories" value="'.$settings->{$item}.'" />'.
 1479:                           &Apache::lonhtmlcommon::textbox($item.'_display',$settings->{$item},
 1480:                                                           $items{$item}{size},$launcher);
 1481:         } else {
 1482:             $datatable .= &Apache::lonhtmlcommon::textbox($item,$settings->{$item},$items{$item}{size});
 1483:         }
 1484:         $datatable .= &item_table_row_end();
 1485:     }
 1486:     $$rowtotal += scalar(@{$ordered});
 1487:     return $datatable;
 1488: }
 1489: 
 1490: sub new_cloners_dom_row {
 1491:     my ($newdom,$num) = @_;
 1492:     my $output;
 1493:     if ($newdom ne '') {
 1494:         $output .= &Apache::loncommon::start_data_table_row().
 1495:                    '<td valign="top"><span class="LC_nobreak">'.
 1496:                    &mt('Any user in domain:').'&nbsp;<b>'.$newdom.'</b>'.
 1497:                    ('&nbsp;'x2).'<label><input type="radio" '.
 1498:                    'name="cloners_activate" value="'.$num.'" '.
 1499:                    'onchange="javascript:update_cloners('.
 1500:                    "'cloners_activate','$num'".');" />'.
 1501:                    &mt('Yes').'</label>'.('&nbsp;'x2).
 1502:                    '<label><input type="radio" '.
 1503:                    'name="cloners_activate" value="" checked="checked" '.
 1504:                    'onchange="javascript:update_cloners('.
 1505:                    "'cloners_activate','$num'".');" />'.
 1506:                    &mt('No').'</label><input type="hidden" name="cloners_dom_'.
 1507:                    $num.'" value="'.$newdom.'" /></span></td>'.
 1508:                    &Apache::loncommon::end_data_table_row();
 1509:     }
 1510:     return $output;
 1511: }
 1512: 
 1513: sub can_modify_catsettings {
 1514:     my ($dom,$crstype) = @_;
 1515:     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$dom);
 1516:     my ($can_toggle_cat,$can_categorize);
 1517:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 1518:         if ($crstype eq 'Community') {
 1519:             if ($domconf{'coursecategories'}{'togglecatscomm'} eq 'comm') {
 1520:                 $can_toggle_cat = 1;
 1521:             }
 1522:             if ($domconf{'coursecategories'}{'categorizecomm'} eq 'comm') {
 1523:                 $can_categorize = 1;
 1524:             }
 1525:         } else {
 1526:             if ($domconf{'coursecategories'}{'togglecats'} eq 'crs') {
 1527:                 $can_toggle_cat = 1;
 1528:             }
 1529:             if ($domconf{'coursecategories'}{'categorize'} eq 'crs') {
 1530:                 $can_categorize = 1;
 1531:             }
 1532:         }
 1533:     }
 1534:     return ($can_toggle_cat,$can_categorize);
 1535: }
 1536: 
 1537: sub assign_course_categories {
 1538:     my ($r,$crstype) = @_;
 1539:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
 1540:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
 1541:     my $hascats = 0;
 1542:     my $cathash;
 1543:     my %domconf = &Apache::lonnet::get_dom('configuration',['coursecategories'],$cdom);
 1544:     if (ref($domconf{'coursecategories'}) eq 'HASH') {
 1545:         $cathash = $domconf{'coursecategories'}{'cats'};
 1546:         if (ref($cathash) eq 'HASH') {
 1547:             foreach my $cat (keys(%{$cathash})) {
 1548:                 next if ($cat eq 'instcode::0');
 1549:                 unless ($crstype eq 'Community') {
 1550:                     next if ($cat eq 'communities::0');
 1551:                 }
 1552:                 $hascats ++; 
 1553:             }
 1554:         }
 1555:     }
 1556:     my $catwin_js;
 1557:     if ($hascats) {
 1558:         my $alert;
 1559:         if ($crstype eq 'Community') {
 1560:             $alert = &mt("Use 'Save' in the main window to save community categories");
 1561:         } else {
 1562:             $alert = &mt("Use 'Save' in the main window to save course categories");
 1563:         }
 1564:         $catwin_js = <<ENDSCRIPT;
 1565: <script type="text/javascript">
 1566: 
 1567: function updateCategories() {
 1568:     var newcategories = '';
 1569:     var unescapedcats = '';
 1570:     if (document.chgcats.usecategory.length) {
 1571:         for (var i=0; i<document.chgcats.usecategory.length; i++) {
 1572:             if (document.chgcats.usecategory[i].checked == true) {
 1573:                 newcategories = newcategories + document.chgcats.usecategory[i].value + '&';
 1574:                 unescapedcats = unescapedcats + document.chgcats.catname[i].value + ' & ';
 1575:             }
 1576:         }
 1577:         if (newcategories.length > 0) {
 1578:             newcategories = newcategories.slice(0,-1);
 1579:         }
 1580:         if (unescapedcats.length > 0) {
 1581:             unescapedcats = unescapedcats.slice(0,-3);
 1582:         }
 1583:     } else {
 1584:          if (document.chgcats.usecategory.checked == true) {
 1585:              newcategories = document.chgcats.usecategory.value;
 1586:              unescapedcats = document.chgcats.catname.value;
 1587:          }
 1588:     }
 1589:     opener.document.display.categories.value = newcategories;
 1590:     opener.document.display.categories_display.value = unescapedcats;
 1591:     alert("$alert");
 1592:     self.close();
 1593:     return;
 1594: }
 1595: 
 1596: </script>
 1597: ENDSCRIPT
 1598:     } else {
 1599:         my $onload;
 1600:     }
 1601:     my ($crscat,$catcrs,$assign);
 1602:     if ($crstype eq 'Community') {
 1603:         $crscat = 'Community Categories';
 1604:         $catcrs = &mt('Categorize Community');
 1605:         $assign = &mt('Assign one or more categories to this community.')
 1606:     } else {
 1607:         $crscat = 'Course Categories';
 1608:         $catcrs = &mt('Categorize Course');
 1609:         $assign = &mt('Assign one or more categories to this course.')
 1610:     }
 1611:     my $start_page =
 1612:         &Apache::loncommon::start_page($crscat,$catwin_js,
 1613:                                        {'only_body'      => 1,});
 1614:     my $end_page = &Apache::loncommon::end_page();
 1615:     my $categoriesform = '<h3>'.$catcrs.'</h3>';
 1616:     if ($hascats) {
 1617:         my %currsettings =
 1618:             &Apache::lonnet::get('environment',['hidefromcat','categories'],$cdom,$cnum);
 1619:         my $cattable = &Apache::loncommon::assign_categories_table($cathash,
 1620:                                        $currsettings{'categories'},$crstype);
 1621:         if ($cattable eq '') {
 1622:             $categoriesform .= &mt('No suitable categories defined for this course type in this domain.'); 
 1623:         } else {
 1624:             $categoriesform .= $assign.'<br /><br />'.
 1625:                                '<form name="chgcats" action="/adm/courseprefs" method="post">'."\n".
 1626:                                $cattable."\n".
 1627:                                '<br /><input type="button" name="changes" value="'.
 1628:                                &mt('Copy to main window').'" '.
 1629:                                'onclick="javascript:updateCategories()" /></form><br />';
 1630:         }
 1631:     } else {
 1632:         $categoriesform .= &mt('No categories defined in this domain.');
 1633:     }
 1634:     $r->print($start_page.$categoriesform.$end_page);
 1635:     return;
 1636: }
 1637: 
 1638: sub print_localization {
 1639:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal) = @_;
 1640:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 1641:         return;
 1642:     }
 1643:     my %items = (
 1644:         languages => {
 1645:                         text => &mt($itemtext->{'languages'}).'<br />'.
 1646:                                 &mt("(will override user's preference)"),
 1647:                         input => 'selectbox',
 1648:                      }, 
 1649:         timezone => {
 1650:                         text  => &mt($itemtext->{'timezone'}),
 1651:                         input => 'selectbox',
 1652:                     },
 1653:         datelocale  => { 
 1654:                          text => &mt($itemtext->{'datelocale'}),
 1655:                          input => 'selectbox',
 1656:                        },
 1657:     );
 1658:     my $datatable;
 1659:     my $count = 0;
 1660:     foreach my $item (@{$ordered}) {
 1661:         $count ++;
 1662:         $datatable .= &item_table_row_start($items{$item}{text},$count);
 1663:         if ($item eq 'timezone') {
 1664:             my $includeempty = 1;
 1665:             my $timezone = &Apache::lonlocal::gettimezone();
 1666:             $datatable .= 
 1667:                 &Apache::loncommon::select_timezone($item,$timezone,undef,
 1668:                                                     $includeempty);
 1669:         } elsif ($item eq 'datelocale') {
 1670:             my $includeempty = 1;
 1671:             my $locale_obj = &Apache::lonlocal::getdatelocale();
 1672:             my $currdatelocale;
 1673:             if (ref($locale_obj)) {
 1674:                 $currdatelocale = $locale_obj->id();
 1675:             }
 1676:             $datatable .= 
 1677:                 &Apache::loncommon::select_datelocale($item,$currdatelocale,
 1678:                                                       undef,$includeempty);
 1679:         } else {
 1680:             if ($settings->{$item} eq '') {
 1681:                 $datatable .= 
 1682:                     &Apache::loncommon::select_language('languages_0','',1);
 1683:             } else {
 1684:                 my $num = 0;
 1685:                 my @languages = split(/\s*[,;:]\s*/,$settings->{$item});
 1686:                 $datatable .= &Apache::loncommon::start_data_table();
 1687:                 if (@languages > 0) {
 1688:                     my %langchoices = &get_lang_choices();
 1689:                     foreach my $lang (@languages) {
 1690:                         my $showlang = $lang;
 1691:                         if (exists($langchoices{$lang})) {
 1692:                             $showlang = $langchoices{$lang};
 1693:                         }
 1694:                         $datatable .=
 1695:                             &Apache::loncommon::start_data_table_row().
 1696:                             '<td align="left"><span class="LC_nobreak">'.
 1697:                             &mt('Language:').'<b>&nbsp;'.$showlang.
 1698:                             '</b><input type="hidden" name="languages_'.$num.
 1699:                             '" value="'.$lang.'" /></span><br />'.
 1700:                             '<span class="LC_nobreak"><label><input type="checkbox" '.
 1701:                             'name="languages_delete" value="'.$num.'" />'.
 1702:                             &mt('Delete').'</label></span></td>'.
 1703:                             &Apache::loncommon::end_data_table_row();
 1704:                             $num ++;
 1705:                     }
 1706:                 }
 1707:                 $datatable .= &Apache::loncommon::start_data_table_row().
 1708:                               '<td align="left"><span class="LC_nobreak">'.
 1709:                               &mt('Additional language:'). '</span><br />'.
 1710:                               &Apache::loncommon::select_language('languages_'.$num,'',1).
 1711:                               '<input type="hidden" name="languages_total" value="'.$num.'" />'.
 1712:                               '</td>'.&Apache::loncommon::end_data_table_row().
 1713:                               &Apache::loncommon::end_data_table();
 1714:             }
 1715:         }
 1716:         $datatable .= &item_table_row_end();
 1717:     }
 1718:     $$rowtotal += scalar(@{$ordered});
 1719:     return $datatable;
 1720: }
 1721: 
 1722: sub get_lang_choices {
 1723:     my %langchoices;
 1724:     foreach my $id (&Apache::loncommon::languageids()) {
 1725:         my $code = &Apache::loncommon::supportedlanguagecode($id);
 1726:         if ($code) {
 1727:             $langchoices{$code} = &Apache::loncommon::plainlanguagedescription($id);
 1728:         }
 1729:     }
 1730:     return %langchoices;
 1731: }
 1732: 
 1733: sub print_feedback {
 1734:     my ($position,$cdom,$settings,$ordered,$itemtext,$rowtotal) = @_;
 1735:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 1736:         return;
 1737:     }
 1738:     my %items = (
 1739:         'question.email' => {
 1740:                    text => '<b>'.&mt($itemtext->{'question.email'}).'</b>',
 1741:                    input => 'textbox',
 1742:                    size  => '50',
 1743:                  },
 1744: 
 1745:         'comment.email'  => {
 1746:                    text => '<b>'.&mt($itemtext->{'comment.email'}).'</b>',
 1747:                    input => 'textbox',
 1748:                    size  => '50',
 1749:                  },
 1750: 
 1751:         'policy.email'   => {
 1752:                    text => '<b>'.&mt($itemtext->{'policy.email'}).'</b>',
 1753:                    input => 'textbox',
 1754:                    size  => '50',
 1755:                  },
 1756:     );
 1757:     my $datatable;
 1758:     my $count = 0;
 1759:     my ($cnum) = &get_course();
 1760:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
 1761:     my @sections = sort( { $a <=> $b } keys(%sections));
 1762:     my %lt = &Apache::lonlocal::texthash (
 1763:                                            currone  => 'Current recipient:',
 1764:                                            currmult => 'Current recipients:',
 1765:                                            add      => 'Additional recipient:',
 1766:                                            del      => 'Delete?',
 1767:                                            sec      => 'Sections:',
 1768:                                          );
 1769: 
 1770:     foreach my $item (@{$ordered}) {
 1771:         $count ++;
 1772:         $datatable .= &item_table_row_start($items{$item}{text},$count);
 1773:         if ($position eq 'top') {
 1774:             my $includeempty = 0;
 1775:             $datatable .= &user_table($cdom,$item,\@sections,
 1776:                                       $settings->{$item},\%lt);
 1777:         } else {
 1778:             $datatable .= &Apache::lonhtmlcommon::textbox($item.'.text',
 1779:                               $settings->{$item.'.text'},$items{$item}{size});  
 1780:         }
 1781:         $datatable .= &item_table_row_end();
 1782:     }
 1783:     $$rowtotal += scalar(@{$ordered});
 1784:     return $datatable;
 1785: }
 1786: 
 1787: sub user_table {
 1788:     my ($cdom,$item,$sections,$currvalue,$lt) = @_;
 1789:     my $output;
 1790:     if ($currvalue eq '') {
 1791:         $output .= &select_recipient($item,'0',$cdom,$sections);
 1792:     } else {
 1793:         my $num = 0;
 1794:         my @curr = split(/,/,$currvalue);
 1795:         $output .= '<table class="LC_nested_outer">';
 1796:         my ($currusers);
 1797:         foreach my $val (@curr) {
 1798:             next if ($val eq '');
 1799:             my ($uname,$udom,$seclist) = ($val =~ /^($match_username):($match_domain)(\(?[^\)]*\)?)$/);
 1800:             my @selsec;
 1801:             if ($seclist) {
 1802:                 $seclist =~ s/(^\(|\)$)//g;
 1803:                 @selsec = split(/\s*;\s*/,$seclist);
 1804:             }
 1805:             $currusers .= '<tr>'.
 1806:                         '<td valign="top"><span class="LC_nobreak">'.
 1807:                         '<label><input type="checkbox" '.
 1808:                         'name="'.$item.'_delete" value="'.$num.'" />'.
 1809:                         $lt->{'del'}.'</label>'.
 1810:                         '<input type="hidden" name="'.$item.'_user_'.
 1811:                         $num.'" value="'.$uname.':'.$udom.'" />'.('&nbsp;'x2).
 1812:                         &Apache::loncommon::aboutmewrapper(
 1813:                             &Apache::loncommon::plainname($uname,$udom,'firstname'),
 1814:                             $uname,$udom,'aboutuser');
 1815:             if (ref($sections) eq 'ARRAY') {
 1816:                 if (@{$sections}) {
 1817:                     $currusers.= ('&nbsp;'x3).$lt->{'sec'}.'&nbsp;'.
 1818:                                   &select_sections($item,$num,$sections,
 1819:                                   \@selsec);
 1820:                 }
 1821:             }
 1822:             $currusers .= '</span></td></tr>';
 1823:             $num ++;
 1824:         }
 1825:         if ($num) {
 1826:             $output .= '<tr>'.
 1827:                        '<td align="left"><i>';
 1828:             if ($num == 1) {
 1829:                 $output .= $lt->{'currone'};
 1830:             } else {
 1831:                 $output .= $lt->{'currmult'};
 1832:             }
 1833:             $output .= '</i><br />'.
 1834:                           '<table>'.$currusers.'</table></td>'.
 1835:                           '</tr>';
 1836:         }
 1837:         $output .= '<tr>'.
 1838:                   '<td align="left"><span class="LC_nobreak"><i>'.
 1839:                   $lt->{'add'}.'</i></span><br />'.
 1840:                   &select_recipient($item,$num,$cdom,$sections).
 1841:                   '<input type="hidden" name="'.$item.'_total" value="'.$num.'" />'.
 1842:                   '</td></tr></table>';
 1843:     }
 1844:     return $output;
 1845: }
 1846: 
 1847: sub select_recipient {
 1848:     my ($item,$num,$cdom,$sections,$selected,$includeempty) = @_;
 1849:     my $domform = &Apache::loncommon::select_dom_form($cdom,$item.'_udom_'.$num,$includeempty);
 1850:     my $selectlink =
 1851:         &Apache::loncommon::selectstudent_link('display',$item.'_uname_'.$num,
 1852:                                                $item.'_udom_'.$num,1);
 1853:     my $output = 
 1854:         '<table><tr><td align="center">'.&mt('Username').'<br />'.
 1855:         '<input type="text" name="'.$item.'_uname_'.$num.'" value="" /></td>'.
 1856:         '<td align="center">'.&mt('Domain').'<br />'.$domform.'</td>';
 1857:     if (ref($sections) eq 'ARRAY') {
 1858:         if (@{$sections}) {
 1859:             $output .= '<td align="center">'.&mt('Sections').'<br />'.
 1860:                        &select_sections($item,$num,$sections,$selected).'</td>'; 
 1861:         }
 1862:     }
 1863:     $output .= '<td valign="top">'.
 1864:                $selectlink.'</td></tr></table>';
 1865:     return $output;
 1866: }
 1867: 
 1868: sub select_sections {
 1869:     my ($item,$num,$sections,$selected) = @_;
 1870:     my ($output,@currsecs,$allsec);
 1871:     if (ref($selected) eq 'ARRAY') {
 1872:         @currsecs = @{$selected};
 1873:     }
 1874:     if (!@currsecs) {
 1875:         $allsec = ' selected="selected"';
 1876:     }
 1877:     if (ref($sections) eq 'ARRAY') {
 1878:         if (@{$sections}) {
 1879:             my $mult;
 1880:             if (@{$sections} > 1) {
 1881:                 $mult = ' multiple="multiple"';
 1882:                 if (@{$sections} > 3) {
 1883:                     $mult .= ' size="4"';
 1884:                 }
 1885:             }
 1886:             $output = '<select name="'.$item.'_sections_'.$num.'"'.$mult.'>'.
 1887:                       ' <option value=""'.$allsec.'>'.&mt('All').'</option>';
 1888:             foreach my $sec (@{$sections}) {
 1889:                 my $is_sel;
 1890:                 if ((@currsecs) && (grep(/^\Q$sec\E$/,@currsecs))) {
 1891:                     $is_sel = 'selected="selected"';
 1892:                 }
 1893:                 $output .= '<option value="'.$sec.'"'.$is_sel.'>'.$sec.'</option>';
 1894:             }
 1895:             $output .= '</select>';
 1896:         }
 1897:     }
 1898:     return $output;
 1899: }
 1900: 
 1901: sub print_discussion {
 1902:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal) = @_;
 1903:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 1904:         return;
 1905:     }
 1906:     my %items = (
 1907:         'plc.roles.denied' => {
 1908:                    text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'plc.roles.denied'}).'</b>'.
 1909:                            &Apache::loncommon::help_open_topic("Course_Disable_Discussion").'</span><br />'.
 1910:                            &mt('(role-based)'),
 1911:                    input => 'checkbox',
 1912:                  },
 1913: 
 1914:         'plc.users.denied'  => {
 1915:                    text => '<b>'.&mt($itemtext->{'plc.users.denied'}).'</b><br />'.
 1916:                            &mt('(specific user(s))'),
 1917:                    input => 'checkbox',
 1918:                  },
 1919: 
 1920:         'pch.roles.denied'   => {
 1921:                    text => '<span class="LC_nobreak"><b>'.&mt($itemtext->{'pch.roles.denied'}).'</b>'.
 1922:                            &Apache::loncommon::help_open_topic("Course_Disable_Discussion").'</span><br />'.
 1923:                            &mt('(role-based)'),
 1924:                    input => 'checkbox',
 1925:                  },
 1926: 
 1927:         'pch.users.denied'   => {
 1928:                    text => '<b>'.&mt($itemtext->{'pch.users.denied'}).'</b><br />'.
 1929:                            &mt('(specific user(s))'),
 1930:                    input => 'checkbox',
 1931:                  },
 1932:         'allow_limited_html_in_feedback' => {
 1933:                    text => '<b>'.&mt($itemtext->{'allow_limited_html_in_feedback'}).'</b>',
 1934:                    input => 'radio',
 1935:                  },
 1936: 
 1937:         'allow_discussion_post_editing' => {
 1938:                    text => '<b>'.&mt($itemtext->{'allow_discussion_post_editing'}).'</b>',
 1939:                    input => 'checkbox',
 1940:                  },
 1941:     );
 1942:     my $datatable;
 1943:     my $count;
 1944:     my ($cnum) = &get_course();
 1945:     my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
 1946:     my @sections = sort( { $a <=> $b } keys(%sections));
 1947:     my %lt = &Apache::lonlocal::texthash (
 1948:                                           currone  => 'Disallowed:',
 1949:                                           currmult => 'Disallowed:',
 1950:                                           add      => 'Disallow more:',
 1951:                                           del      => 'Delete?',
 1952:                                           sec      => 'Sections:',
 1953:                                          );
 1954: 
 1955:     foreach my $item (@{$ordered}) {
 1956:         $count ++;
 1957:         $datatable .= &item_table_row_start($items{$item}{text},$count);
 1958:         if ($item eq 'plc.roles.denied') {
 1959:             $datatable .= '<table>'.&role_checkboxes($cdom,$cnum,$item,$settings).
 1960:                           '</table>';
 1961:         } elsif ($item eq 'plc.users.denied') {
 1962:             $datatable .= &user_table($cdom,$item,undef,
 1963:                                       $settings->{$item},\%lt);
 1964:         } elsif ($item eq 'pch.roles.denied') {
 1965:             $datatable .= '<table>'.&role_checkboxes($cdom,$cnum,$item,$settings).
 1966:                           '</table>';
 1967:         } elsif ($item eq 'pch.users.denied') {
 1968:             $datatable .= &user_table($cdom,$item,undef,
 1969:                                       $settings->{$item},\%lt);
 1970:         } elsif ($item eq 'allow_limited_html_in_feedback') {
 1971:             $datatable .= &yesno_radio($item,$settings);
 1972:         } elsif ($item eq 'allow_discussion_post_editing') {
 1973:             $datatable .= &Apache::loncommon::start_data_table().
 1974:                           &Apache::loncommon::start_data_table_row().
 1975:                           '<th align="left">'.&mt('Role').'</th><th>'.
 1976:                           &mt('Sections').'</th>'.
 1977:                           &Apache::loncommon::end_data_table_row().
 1978:                           &role_checkboxes($cdom,$cnum,$item,$settings,1).
 1979:                           &Apache::loncommon::end_data_table();
 1980:         }
 1981:         $datatable .= &item_table_row_end();
 1982:     }
 1983:     $$rowtotal += scalar(@{$ordered});
 1984:     return $datatable;
 1985: }
 1986: 
 1987: sub role_checkboxes {
 1988:     my ($cdom,$cnum,$item,$settings,$showsections,$crstype) = @_;
 1989:     my @roles = ('st','ad','ta','ep','in');
 1990:     if ($crstype eq 'Community') {
 1991:         push(@roles,'co');
 1992:     } else {
 1993:         push(@roles,'cc');
 1994:     }
 1995:     my $output;
 1996:     my (@current,@curr_roles,%currsec,@sections);
 1997:     if ($showsections) {
 1998:         my %sections = &Apache::loncommon::get_sections($cdom,$cnum);
 1999:         @sections = sort( { $a <=> $b } keys(%sections));
 2000:     }
 2001:     if (ref($settings) eq 'HASH') {
 2002:         if ($settings->{$item}) {
 2003:             @current = split(',',$settings->{$item});
 2004:             if ($showsections) {
 2005:                 foreach my $role (@current) {
 2006:                     if ($role =~ /:/) {
 2007:                         my ($trole,$sec) = split(':',$role);
 2008:                         push(@curr_roles,$trole);
 2009:                         if (ref($currsec{$trole}) eq 'ARRAY') {
 2010:                             if (!grep(/^\Q$sec\E/,@{$currsec{$trole}})) {
 2011:                                 push(@{$currsec{$trole}},$sec);
 2012:                             }
 2013:                         } else {
 2014:                             $currsec{$trole} = [$sec];
 2015:                         }
 2016:                     } else {
 2017:                         push(@curr_roles,$role);
 2018:                     }
 2019:                 }
 2020:                 @current = @curr_roles;
 2021:             }
 2022:         }
 2023:     }
 2024:     my $numinrow = 3;
 2025:     my $count = 0;
 2026:     foreach my $role (@roles) {
 2027:         my $checked = '';
 2028:         if (grep(/^\Q$role\E$/,@current)) {
 2029:             $checked = ' checked="checked" ';
 2030:         }
 2031:         my $plrole=&Apache::lonnet::plaintext($role,$crstype);
 2032:         if ($showsections) {
 2033:             $output .= &Apache::loncommon::start_data_table_row();
 2034:         } else {
 2035:             my $rem = $count%($numinrow);
 2036:             if ($rem == 0) {
 2037:                 if ($count > 0) {
 2038:                     $output .= '</tr>';
 2039:                 }
 2040:                 $output .= '<tr>';
 2041:             }
 2042:         }
 2043:         $output .= '<td align="left"><span class="LC_nobreak"><label><input type="checkbox" name='.
 2044:                    $item.'" value="'.$role.'"'.$checked.'/>&nbsp;'.
 2045:                    $plrole.'</label></span></td>';
 2046:         if ($showsections) {
 2047:             $output .= '<td align="left">'.
 2048:                        &select_sections($item,$role,\@sections,$currsec{$role}).
 2049:                        '</td></tr>';
 2050:         }
 2051:         $count ++;
 2052:     }
 2053:     my %adv_roles =
 2054:         &Apache::lonnet::get_course_adv_roles($env{'request.course.id'},1);
 2055:     my $total = @roles;
 2056:     foreach my $role (sort(keys(%adv_roles))) {
 2057:         if ($role =~ m{^cr/($match_domain)/($match_name)/\w$}) {
 2058:             my $rolename = $3;
 2059:             my $value = 'cr_'.$1.'_'.$2.'_'.$rolename;
 2060:             my $checked = '';
 2061:             if (grep(/^\Q$value\E$/,@current)) {
 2062:                 $checked = ' checked="checked" ';
 2063:             }
 2064:             if ($showsections) {
 2065:                 $output .= &Apache::loncommon::start_data_table_row();
 2066:             } else {
 2067:                 my $rem = $count%($numinrow);
 2068:                 if ($rem == 0) {
 2069:                     if ($count > 0) {
 2070:                         $output .= '</tr>';
 2071:                     }
 2072:                     $output .= '<tr>';
 2073:                 }
 2074:             }
 2075:             $output .= '<td><span class="LC_nobreak"><label><input type="checkbox" name='.
 2076:                        $item.'" value="'.$value.'"'.$checked.' />&nbsp;'.$rolename.
 2077:                        '</label></span></td>';
 2078:             if ($showsections) {
 2079:                 $output .= '<td>'.
 2080:                            &select_sections($item,$role,\@sections,$currsec{$role}).
 2081:                            '</td>'.&Apache::loncommon::end_data_table_row();
 2082:             }
 2083:             $total ++;
 2084:             $count ++;
 2085:         }
 2086:     }
 2087:     if (!$showsections) {
 2088:         my $rem = $total%($numinrow);
 2089:         my $colsleft = $numinrow - $rem;
 2090:         if ($colsleft > 1 ) {
 2091:             $output .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
 2092:                        '&nbsp;</td>';
 2093:         } elsif ($colsleft == 1) {
 2094:             $output .= '<td class="LC_left_item">&nbsp;</td>';
 2095:         }
 2096:         $output .= '</tr>';
 2097:     }
 2098:     return $output;
 2099: }
 2100: 
 2101: sub print_classlists {
 2102:     my ($position,$cdom,$settings,$itemtext,$rowtotal,$crstype) = @_;
 2103:     my @ordered;
 2104:     if ($position eq 'top') {
 2105:         @ordered = ('default_enrollment_start_date',
 2106:                     'default_enrollment_end_date');
 2107:     } elsif ($position eq 'middle') {
 2108:         @ordered = ('nothideprivileged');
 2109:     } else {
 2110:         @ordered = ('student_classlist_view',
 2111:                     'student_opt_in','student_classlist_portfiles');
 2112:     }
 2113:     my %lt;
 2114: 
 2115:     if ($crstype eq 'Community') {
 2116:         %lt = &Apache::lonlocal::texthash (
 2117:                  disabled => 'No viewable membership list',
 2118:                  section  => "Membership of viewer's section",
 2119:                  all      => 'List of all members',
 2120:               );
 2121:     } else {
 2122:         %lt = &Apache::lonlocal::texthash (
 2123:                  disabled => 'No viewable classlist',
 2124:                  section  => "Classlist of viewer's section",
 2125:                  all      => 'Classlist of all students',
 2126:               );
 2127:     }
 2128: 
 2129:     my %items = (
 2130:         'default_enrollment_start_date' => {
 2131:                    text => '<b>'.&mt($itemtext->{'default_enrollment_start_date'}).'</b>',
 2132:                    input => 'dates',
 2133:                  },
 2134:         'default_enrollment_end_date'  => {
 2135:                    text => '<b>'.&mt($itemtext->{'default_enrollment_end_date'}).'</b>',
 2136:                    input => 'dates',
 2137:                  },
 2138: 
 2139:         'nothideprivileged'   => {
 2140:                    text => '<b>'.&mt($itemtext->{'nothideprivileged'}).'</b>',
 2141:                    input => 'checkbox',
 2142:                  },
 2143: 
 2144:         'student_classlist_view'   => {
 2145:                    text => '<b>'.&mt($itemtext->{'student_classlist_view'}).'</b>',
 2146:                    input => 'selectbox',
 2147:                    options => \%lt,
 2148:                    order => ['disabled','all','section'],
 2149:                  },
 2150:         'student_opt_in' => {
 2151:                    text => '<b>'.&mt($itemtext->{'student_opt_in'}).'</b>',
 2152:                    input => 'radio',
 2153:                  },
 2154: 
 2155:         'student_classlist_portfiles' => {
 2156:                    text => '<b>'.&mt($itemtext->{'student_classlist_portfiles'}).'</b>',
 2157:                    input => 'radio',
 2158:                  },
 2159:     );
 2160:     unless (($settings->{'student_classlist_view'} eq 'all') || 
 2161:             ($settings->{'student_classlist_view'} eq 'section')) { 
 2162:         $settings->{'student_classlist_view'} = 'disabled';
 2163:     }
 2164:     return &make_item_rows($cdom,\%items,\@ordered,$settings,$rowtotal,$crstype);
 2165: }
 2166: 
 2167: sub print_appearance {
 2168:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype) = @_;
 2169:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 2170:         return;
 2171:     }
 2172:     my $mathdef;
 2173:     if ($crstype eq 'Community') {
 2174:         $mathdef = &mt("None specified - use member's choice");
 2175:     } else {
 2176:         $mathdef = &mt("None specified - use student's choice");
 2177:     }
 2178:     my %items = (
 2179:         'default_xml_style' => {
 2180:                    text => '<b>'.&mt($itemtext->{'default_xml_style'}).'</b> '.
 2181:                            '<a href="javascript:openbrowser'.
 2182:                            "('display','default_xml_style'".
 2183:                            ",'sty')".'">'.&mt('Select Style File').'</a>',
 2184:                    input => 'textbox',
 2185:                    size => 35,
 2186:                  },
 2187: 
 2188:         'pageseparators'  => {
 2189:                    text => '<b>'.&mt($itemtext->{'pageseparators'}).'</b>',
 2190:                    input => 'radio',
 2191:                  },
 2192:         'disable_receipt_display' => {
 2193:                    text => '<b>'.&mt($itemtext->{'disable_receipt_display'}).'</b>',
 2194:                    input => 'radio',
 2195:                  },
 2196:         'texengine'  => {
 2197:                    text => '<b>'.&mt($itemtext->{'texengine'}).'</b>',
 2198:                    input => 'selectbox',
 2199:                    options => {
 2200:                                 jsMath   => 'jsMath',
 2201:                                 mimetex => &mt('Convert to Images'),
 2202:                                 tth      => &mt('TeX to HTML'),
 2203:                               },
 2204:                    order  => ['jsMath','mimetex','tth'],
 2205:                    nullval => $mathdef,
 2206:                  },
 2207:         'tthoptions' => {
 2208:                    text => '<b>'.&mt($itemtext->{'tthoptions'}).'</b>',
 2209:                    input => 'textbox',
 2210:                    size => 40,
 2211:                  },
 2212:     );
 2213:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype);
 2214: }
 2215: 
 2216: sub print_grading {
 2217:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype) = @_;
 2218:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 2219:         return;
 2220:     }
 2221:     my %items = (
 2222:         'grading'  => {
 2223:                    text => '<b>'.&mt($itemtext->{'grading'}).'</b>'.
 2224:                            &Apache::loncommon::help_open_topic('GradingOptions'),
 2225:                    input => 'selectbox',
 2226:                    options => {
 2227:                                 standard => &mt('Standard: shows points'),
 2228:                                 external => &mt('External: shows number of completed parts and totals'),
 2229:                                 externalnototals => &mt('External: shows only number of completed parts'),
 2230:                                 spreadsheet => &mt('Spreadsheet: (with link to detailed scores)'), 
 2231:                               },
 2232:                    order => ['standard','external','externalnototals','spreadsheet'],
 2233:                  },
 2234:         'rndseed' => {
 2235:                    text => '<b>'.&mt($itemtext->{'rndseed'}).'</b>'.
 2236:                            '<span class="LC_error">'.'<br />'.
 2237:                            &mt('Modifying this will make problems have different numbers and answers!').
 2238:                            '</span>',
 2239:                    input => 'selectbox',
 2240:                    options => {
 2241:                                 '32bit'  => '32bit',
 2242:                                 '64bit'  => '64bit',
 2243:                                 '64bit2' => '64bit2',
 2244:                                 '64bit3' => '64bit3',
 2245:                                 '64bit4' => '64bit4',
 2246:                                 '64bit5' => '64bit5',
 2247:                               },
 2248:                    order => ['32bit','64bit','64bit2','64bit3','64bit4','64bit5'],
 2249:                  },
 2250:         'receiptalg'  => {
 2251:                    text => '<b>'.&mt($itemtext->{'receiptalg'}).'</b><br />'.
 2252:                            &mt('This controls how receipt numbers are generated'),
 2253:                    input => 'selectbox',
 2254:                    options => {
 2255:                                 receipt  => 'receipt',
 2256:                                 receipt2 => 'receipt2',
 2257:                                 receipt3 => 'receipt3',
 2258:                               },
 2259:                    order => ['receipt','receipt2','receipt3'],
 2260:                  },
 2261:         'disablesigfigs' => {
 2262:                    text => '<b>'.&mt($itemtext->{'disablesigfigs'}).'</b>',
 2263:                    input => 'radio',
 2264:                  },
 2265:     );
 2266:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype);
 2267: }
 2268: 
 2269: sub print_printouts {
 2270:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype) = @_;
 2271:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 2272:         return;
 2273:     }
 2274:     my %items = (
 2275:         problem_stream_switch => {
 2276:             text => '<b>'.&mt($itemtext->{'problem_stream_switch'}).'</b>',
 2277:             input => 'radio',
 2278:                                  },
 2279:         suppress_tries => {
 2280:             text => '<b>'.&mt($itemtext->{'suppress_tries'}).'</b>',
 2281:             input => 'radio',
 2282:                           },
 2283:         default_paper_size => {
 2284:             text => '<b>'.&mt($itemtext->{'default_paper_size'}).'</b>',
 2285:             input => 'selectbox',
 2286:             options => {
 2287:                          Letter    => &mt('Letter').' [8 1/2x11 in]',
 2288:                          Legal     => &mt('Legal').' [8 1/2x14 in]',
 2289:                          Tabloid   => &mt('Tabloid').' [11x17 in]',
 2290:                          Executive => &mt('Executive').' [7 1/2x10 in]',
 2291:                          A2        => &mt('A2').' [420x594 mm]',
 2292:                          A3        => &mt('A3').' [297x420 mm]',
 2293:                          A4        => &mt('A4').' [210x297 mm]',
 2294:                          A5        => &mt('A5').' [148x210 mm]',
 2295:                          A6        => &mt('A6').' [105x148 mm]',
 2296:                        },
 2297:             order => ['Letter','Legal','Tabloid','Executive','A2','A3','A4','A5','A6'],
 2298:             nullval => 'None specified',
 2299:                               },
 2300:         print_header_format => {
 2301:             text => '<b>'.&mt($itemtext->{'print_header_format'}).'</b>',
 2302:             input => 'checkbox',
 2303:                                },
 2304:         disableexampointprint => {
 2305:             text => '<b>'.&mt($itemtext->{'disableexampointprint'}).'</b>',
 2306:             input => 'radio',
 2307:                                  },
 2308:     );
 2309:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype);
 2310: }
 2311: 
 2312: sub print_spreadsheet {
 2313:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype) = @_;
 2314:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 2315:         return;
 2316:     }
 2317:     my $SelectSpreadsheetFile=&mt('Select Spreadsheet File');
 2318:     my %items = (
 2319:         spreadsheet_default_classcalc => {
 2320:             text => '<b>'.&mt($itemtext->{'spreadsheet_default_classcalc'}).'</b> '.
 2321:                     '<span class="LC_nobreak"><a href="javascript:openbrowser'.
 2322:                     "('display','spreadsheet_default_classcalc'".
 2323:                     ",'spreadsheet')".'">'.$SelectSpreadsheetFile.'</a></span>',
 2324:             input => 'textbox',
 2325:                                          },
 2326:         spreadsheet_default_studentcalc => {
 2327:             text => '<b>'.&mt($itemtext->{'spreadsheet_default_studentcalc'}).'</b> '.
 2328:                     '<span class="LC_nobreak"><a href="javascript:openbrowser'.
 2329:                     "('display','spreadsheet_default_calc'".
 2330:                     ",'spreadsheet')".'">'.$SelectSpreadsheetFile.'</a></span>',
 2331:             input => 'textbox',
 2332:                                            },
 2333:         spreadsheet_default_assesscalc => {
 2334:             text => '<b>'.&mt($itemtext->{'spreadsheet_default_assesscalc'}).'</b> '.
 2335:                     '<span class="LC_nobreak"><a href="javascript:openbrowser'.
 2336:                     "('display','spreadsheet_default_assesscalc'".
 2337:                     ",'spreadsheet')".'">'.$SelectSpreadsheetFile.'</a></span>',
 2338:             input => 'textbox',
 2339:                                           },
 2340:         hideemptyrows => {
 2341:             text => '<b>'.&mt($itemtext->{'hideemptyrows'}).'</b>',
 2342:             input => 'radio',
 2343:                          },
 2344:                 );
 2345:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype);
 2346: }
 2347: 
 2348: sub print_bridgetasks {
 2349:     my ($cdom,$settings,$ordered,$itemtext,$rowtotal,$crstype) = @_;
 2350:     unless ((ref($settings) eq 'HASH') && (ref($ordered) eq 'ARRAY') && (ref($itemtext) eq 'HASH')) {
 2351:         return;
 2352:     }
 2353:     my ($stumsg,$msgnote);
 2354:     if ($crstype eq 'Community') {
 2355:         $stumsg = &mt('Send message to member');
 2356:         $msgnote = &mt('Message to member and add to user notes');
 2357:     } else {
 2358:         $stumsg = &mt('Send message to student');
 2359:         $msgnote = &mt('Message to student and add to user notes');
 2360:     }
 2361:     my %items = (
 2362:          task_messages => {
 2363:               text => '<b>'.&mt($itemtext->{'task_messages'}).'</b>',
 2364:               input => 'selectbox',
 2365:               options => {
 2366:                            only_student => $stumsg,
 2367:                            student_and_user_notes_screen => $msgnote,
 2368:                          },
 2369:               order   => ['only_student','student_and_user_notes_screen'],
 2370:               nullval => &mt('No message or record in user notes'),
 2371:                           },
 2372:          task_grading => {
 2373:               text => '<b>'.&mt($itemtext->{'task_grading'}).'</b>',
 2374:               input => 'selectbox',
 2375:               options => {
 2376:                            any => &mt('Grade BTs in any section'),
 2377:                            section => &mt('Grade BTs only in own section')
 2378:                          },
 2379:               order => ['any','section'],
 2380:                          },
 2381:          suppress_embed_prompt => {
 2382:              text => '<b>'.&mt($itemtext->{'suppress_embed_prompt'}).'</b><span class="LC_nobreak">'.
 2383:                      '&nbsp;'.&mt('(applies when current role is student)').'</span>',
 2384:              input => 'radio',
 2385:                                   },
 2386:                 );
 2387:     return &make_item_rows($cdom,\%items,$ordered,$settings,$rowtotal,$crstype);
 2388: }
 2389: 
 2390: sub print_other {
 2391:     my ($cdom,$settings,$allitems,$rowtotal,$crstype) = @_;
 2392:     unless ((ref($settings) eq 'HASH') && (ref($allitems) eq 'ARRAY')) {
 2393:         return;
 2394:     }
 2395:     my @ordered = &get_other_items($cdom,$settings,$allitems);
 2396:     my %items;
 2397:     foreach my $parameter (@ordered) {
 2398:         $items{$parameter} = {
 2399:                                text  => '<b>'.$parameter.'</b>',
 2400:                                input => 'textbox',
 2401:                                size  => '15',
 2402:                              },
 2403:     }
 2404:     push (@ordered,'newp_value');
 2405:     $items{'newp_value'} = {
 2406:                             text  => '<b>'.&mt('Create New Environment Variable').'</b><br />'.
 2407:                                      '<input type="textbox" name="newp_name"'.
 2408:                                      ' value="" size="30" />',
 2409:                             input => 'textbox',
 2410:                             size  => '30',
 2411:                            };
 2412:     my $output = &make_item_rows($cdom,\%items,\@ordered,$settings,$rowtotal,$crstype);
 2413: }
 2414: 
 2415: sub get_other_items {
 2416:     my ($cdom,$settings,$allitems) = @_;
 2417:     unless ((ref($settings) eq 'HASH') && (ref($allitems) eq 'ARRAY')) {
 2418:         return;
 2419:     }
 2420:     my @ordered;
 2421:     if (ref($settings) eq 'HASH') {
 2422:         foreach my $parameter (sort(keys(%{$settings}))) {
 2423:             next if (grep/^\Q$parameter\E$/,@{$allitems});
 2424:             next if (($parameter eq 'course.helper.not.run') &&
 2425:                      (!exists($env{'user.role.dc./'.$env{'request.role.domain'}.'/'})));
 2426:             unless (($parameter =~ m/^internal\./)||($parameter =~ m/^metadata\./) ||
 2427:                     ($parameter =~ m/^selfenroll_/) || ($parameter =~ /_selfenroll$/)
 2428:                     || ($parameter eq 'type') ||
 2429:                     ($parameter =~ m/^(cc|co|in|ta|ep|ad|st)\.plaintext$/)) {
 2430:                 push(@ordered,$parameter);
 2431:             }
 2432:         }
 2433:     }
 2434:     return @ordered;
 2435: }
 2436: 
 2437: sub item_table_row_start {
 2438:     my ($text,$count) = @_;
 2439:     my $output;
 2440:     if ($count%2) {
 2441:         $output .= '<tr class="LC_odd_row">';
 2442:     } else {
 2443:         $output .= '<tr>';
 2444:     }
 2445:     $output .= '<td class="LC_left_item">'.$text.
 2446:                '</td><td class="LC_right_item" align="right">';
 2447:     return $output;
 2448: }
 2449: 
 2450: sub item_table_row_end {
 2451:     return '</td></tr>';
 2452: }
 2453: 
 2454: sub yesno_radio {
 2455:     my ($item,$settings) = @_;
 2456:     my $itemon = ' ';
 2457:     my $itemoff = ' checked="checked" ';
 2458:     if (ref($settings) eq 'HASH') {
 2459:         if ($settings->{$item} eq 'yes') {
 2460:             $itemon = $itemoff;
 2461:             $itemoff = ' ';
 2462:         }
 2463:     }
 2464:     return '<span class="LC_nobreak"><label>'.
 2465:            '<input type="radio" name="'.$item.'"'.
 2466:            $itemon.' value="yes" />'.&mt('Yes').'</label>&nbsp;'.
 2467:            '<label><input type="radio" name="'.$item.'"'.
 2468:            $itemoff.' value="" />'.&mt('No').'</label></span>';
 2469: }
 2470: 
 2471: sub select_from_options {
 2472:     my ($item,$order,$options,$curr,$nullval,$multiple,$maxsize,$onchange) = @_;
 2473:     my $output;
 2474:     if ((ref($order) eq 'ARRAY') && (ref($options) eq 'HASH')) {
 2475:         $output='<select name="'.$item.'" '.$onchange;
 2476:         if ($multiple) {
 2477:             $output .= ' multiple="multiple"';
 2478:             my $num = @{$order};
 2479:             $num ++ if ($nullval ne '');
 2480:             if (($maxsize) && ($maxsize < $num)) {
 2481:                 $output .= ' size="'.$maxsize.'"';
 2482:             }
 2483:         }
 2484:         $output .= '>'."\n";
 2485:         if ($nullval ne '') {
 2486:             $output .= '<option value=""';
 2487:             if (ref($curr) eq 'ARRAY') {
 2488:                 if ((@{$curr} == 0) || (grep(/^$/,@{$curr}))) {
 2489:                     $output .= ' selected="selected" ';
 2490:                 }
 2491:             } else {
 2492:                 if ($curr eq '') {
 2493:                     $output .= ' selected="selected" ';
 2494:                 }
 2495:             }
 2496:             $output .= '>'.$nullval.'</option>';
 2497:         }
 2498:         foreach my $option (@{$order}) {
 2499:             $output.= '<option value="'.$option.'"';
 2500:             if (ref($curr) eq 'ARRAY') {
 2501:                 if (grep(/^\Q$option\E$/,@{$curr})) {
 2502:                     $output .= ' selected="selected" ';
 2503:                 }
 2504:             } else {
 2505:                 if ($option eq $curr) {
 2506:                     $output.=' selected="selected"';
 2507:                 }
 2508:             }
 2509:             $output.=">$options->{$option}</option>\n";
 2510:         }
 2511:         $output.="</select>";
 2512:     }
 2513:     return $output;
 2514: }
 2515: 
 2516: sub make_item_rows {
 2517:     my ($cdom,$items,$ordered,$settings,$rowtotal,$crstype) = @_;
 2518:     my $datatable;
 2519:     if ((ref($items) eq 'HASH') && (ref($ordered) eq 'ARRAY')) {
 2520:         my $count = 0;
 2521:         foreach my $item (@{$ordered}) {
 2522:             $count ++;
 2523:             $datatable .= &item_table_row_start($items->{$item}{text},$count);
 2524:             if ($item eq 'nothideprivileged') {
 2525:                 $datatable .= &nothidepriv_row($cdom,$item,$settings,$crstype);
 2526:             } elsif ($item eq 'print_header_format') {
 2527:                 $datatable .= &print_hdrfmt_row($item,$settings);
 2528:             } elsif ($items->{$item}{input} eq 'dates') {
 2529:                $datatable .=
 2530:                    &Apache::lonhtmlcommon::date_setter('display',$item,
 2531:                                                        $settings->{$item});
 2532:             } elsif ($items->{$item}{input} eq 'radio') {
 2533:                 $datatable .= &yesno_radio($item,$settings);
 2534:             } elsif ($items->{$item}{input} eq 'selectbox') {
 2535:                 my $curr = $settings->{$item};
 2536:                 $datatable .=
 2537:                     &select_from_options($item,$items->{$item}{'order'},
 2538:                                          $items->{$item}{'options'},$curr,
 2539:                                          $items->{$item}{'nullval'});
 2540:             } elsif ($items->{$item}{input} eq 'textbox') {
 2541:                 $datatable .= 
 2542:                     &Apache::lonhtmlcommon::textbox($item,$settings->{$item},
 2543:                                                     $items->{$item}{size});
 2544:             }
 2545:             $datatable .= &item_table_row_end();
 2546:         }
 2547:         if (ref($rowtotal)) {
 2548:             $$rowtotal += scalar(@{$ordered});
 2549:         }
 2550:     }
 2551:     return $datatable;
 2552: }
 2553: 
 2554: sub nothidepriv_row {
 2555:     my ($cdom,$item,$settings,$crstype) = @_;
 2556:     my ($cnum) = &get_course();
 2557:     my %nothide;
 2558:     my $datatable;
 2559:     if (ref($settings) eq 'HASH') {
 2560:         if ($settings->{$item} ne '') {
 2561:             foreach my $user (split(/\s*\,\s*/,$settings->{$item})) {
 2562:                 if ($user !~ /:/) {
 2563:                     $nothide{join(':',split(/[\@]/,$user))}=1;
 2564:                 } else {
 2565:                     $nothide{$user} = 1;
 2566:                 }
 2567:             }
 2568:         }
 2569:     }
 2570:     my %coursepersonnel = &Apache::lonnet::dump('nohist_userroles',$cdom,$cnum);
 2571:     my $now = time;
 2572:     my @privusers;
 2573:     my %privileged;
 2574:     foreach my $person (keys(%coursepersonnel)) {
 2575:         my ($role,$user,$usec) = ($person =~ /^([^:]*):([^:]+:[^:]+):([^:]*)/);
 2576:         $user =~ s/:$//;
 2577:         my ($end,$start) = split(/:/,$coursepersonnel{$person});
 2578:         if ($end == -1 || $start == -1) {
 2579:             next;
 2580:         }
 2581:         my ($uname,$udom) = split(':',$user);
 2582:         unless (ref($privileged{$udom}) eq 'HASH') {
 2583:             my %dompersonnel = &Apache::lonnet::get_domain_roles($udom,['dc'],undef,$now);
 2584:             $privileged{$udom} = {};
 2585:             if (keys(%dompersonnel)) {
 2586:                 foreach my $server (keys(%dompersonnel)) {
 2587:                     foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
 2588:                         my ($trole,$uname,$udom) = split(/:/,$user); 
 2589:                         $privileged{$udom}{$uname} = $trole;
 2590:                     }
 2591:                 }
 2592:             }
 2593:         }
 2594:         if (exists($privileged{$udom}{$uname})) {
 2595:             unless (grep(/^\Q$user\E$/,@privusers)) {
 2596:                 push(@privusers,$user);
 2597:             }
 2598:         }
 2599:     }
 2600:     if (@privusers) {
 2601:         $datatable .= '<table align="right">';
 2602:         foreach my $user (sort(@privusers)) {
 2603:             my $hideon = ' checked="checked" ';
 2604:             my $hideoff = '';
 2605:             if ($nothide{$user}) {
 2606:                 $hideoff = $hideon;
 2607:                 $hideon = '';
 2608:             }
 2609:             my ($uname,$udom) = split(':',$user);
 2610:             $datatable .=  '<tr><td align="left">'.
 2611:                            &Apache::loncommon::aboutmewrapper(
 2612:                            &Apache::loncommon::plainname($uname,$udom,'firstname'),
 2613:                            $uname,$udom,'aboutuser').
 2614:                           '</td><td align="left">'.
 2615:                           '<span class="LC_nobreak"><label>'.
 2616:                           '<input type="radio" name="'.$item.'_'.$user.'"'.
 2617:                           $hideon.' value="" />'.&mt('Hidden').'</label>&nbsp;'.
 2618:                           '<label><input type="radio" name="'.$item.'_'.$user.'"'.                          $hideoff.' value="yes" />'.&mt('Shown').'</label></span></td>'.
 2619:                           '</tr>';
 2620:         }
 2621:         $datatable .= '</table>';
 2622:     } else {
 2623:         if ($crstype eq 'Community') {
 2624:             $datatable .= &mt('No Domain Coordinators have community roles');
 2625:         } else {
 2626:             $datatable .= &mt('No Domain Coordinators have course roles');
 2627:         }
 2628:     }
 2629:     return $datatable;
 2630: }
 2631: 
 2632: sub print_hdrfmt_row {
 2633:     my ($item,$settings) = @_;
 2634:     my @curr;
 2635:     my $currnum = 0;
 2636:     my $maxnum = 2;
 2637:     my $currstr;
 2638:     if ($settings->{$item} ne '') {
 2639:         $currstr .= '<b>'.&mt('Current print header:').' <span class="LC_warning"><tt>'.
 2640:                    $settings->{$item}.'</tt></span></b><br />';
 2641:         my @current = split(/(%\d*[nca])/,$settings->{$item});
 2642:         foreach my $item (@current) {
 2643:             unless ($item eq '') {
 2644:                 push(@curr,$item);
 2645:             }
 2646:         }
 2647:         $currnum = @curr;
 2648:         $maxnum += $currnum;
 2649:     }
 2650: 
 2651:     my $output = <<ENDJS;
 2652: 
 2653: <script type="text/javascript" language="Javascript">
 2654: 
 2655: function reOrder(chgnum) {
 2656:     var maxnum = $maxnum;
 2657:     var oldidx = 'printfmthdr_oldpos_'+chgnum;
 2658:     var newidx = 'printfmthdr_pos_'+chgnum;
 2659:     oldidx = getIndexByName(oldidx);
 2660:     newidx = getIndexByName(newidx);
 2661:     var oldpos = document.display.elements[oldidx].value;
 2662:     var newpos = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 2663:     document.display.elements[oldidx].value = newpos;
 2664:     var chgtype = 'up';
 2665:     if (newpos < oldpos) {
 2666:         chgtype = 'down';
 2667:     }
 2668:     for (var j=0; j<maxnum; j++) {
 2669:         if (j != chgnum) {
 2670:             oldidx = 'printfmthdr_oldpos_'+j;
 2671:             newidx = 'printfmthdr_pos_'+j;
 2672:             oldidx = getIndexByName(oldidx);
 2673:             newidx = getIndexByName(newidx);
 2674:             var currpos = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 2675:             var currsel = document.display.elements[newidx].selectedIndex;
 2676:             if (chgtype == 'up') {
 2677:                 if ((currpos > oldpos) && (currpos <= newpos)) {
 2678:                     document.display.elements[newidx].selectedIndex = currsel-1;
 2679:                     document.display.elements[oldidx].value = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 2680:                 }
 2681:             } else {
 2682:                 if ((currpos >= newpos) && (currpos < oldpos)) {
 2683:                     document.display.elements[newidx].selectedIndex = currsel+1;
 2684:                     document.display.elements[oldidx].value = document.display.elements[newidx].options[document.display.elements[newidx].selectedIndex].value;
 2685:                 }
 2686:             }
 2687:         }
 2688:     }
 2689:     return;
 2690: }
 2691: 
 2692: function getIndexByName(item) {
 2693:     for (var i=0;i<document.display.elements.length;i++) {
 2694:         if (document.display.elements[i].name == item) {
 2695:             return i;
 2696:         }
 2697:     }
 2698:     return -1;
 2699: }
 2700: 
 2701: </script>
 2702: 
 2703: ENDJS
 2704:     $output .= $currstr.'<table class="LC_nested_outer">';
 2705:     if (@curr > 0) {
 2706:         for (my $i=0; $i<@curr; $i++) {
 2707:             my $pos = $i+1;
 2708:             $output .= '<tr>'.
 2709:                        '<td align="left"><span class="LC_nobreak">'.
 2710:                        &position_selector($pos,$i,$maxnum).&mt('Delete:').
 2711:                        '<input type="checkbox" name="printfmthdr_del_'.$i.
 2712:                        '" /></span></td>';
 2713:             if ($curr[$i] =~ /^%\d*[nca]$/) {
 2714:                 my ($limit,$subst) = ($curr[$i] =~ /^%(\d*)([nca])$/);
 2715:                 $output .= '<td align="left">'.
 2716:                            &substitution_selector($i,$subst,$limit).'</td>';
 2717:             } else {
 2718:                 $output .= '<td colspan="2" align="left">'.&mt('Text').'<br />'.
 2719:                            '<input type="textbox" name="printfmthdr_text_'.$i.'"'.
 2720:                            ' value="'.$curr[$i].'" size="25" /></td>';
 2721:             }
 2722:             $output .= '</tr>';
 2723:         }
 2724:     }
 2725:     my $pos = $currnum+1; 
 2726:     $output .= '<tr>'.
 2727:                '<td align="left"><span class="LC_nobreak">'.
 2728:                &position_selector($pos,$currnum,$maxnum).
 2729:                '<b>'.&mt('New').'</b></span></td><td align="left">'.
 2730:                &substitution_selector($currnum).'</td>'.
 2731:                '</tr>'; 
 2732:     $pos ++;
 2733:     $currnum ++;
 2734:     $output .= '<tr>'.
 2735:                '<td align="left"><span class="LC_nobreak">'.
 2736:                &position_selector($pos,$currnum,$maxnum).
 2737:                '<b>'.&mt('New').'</b></span></td>'.
 2738:                '<td colspan="2" align="left">'.&mt('Text').'<br />'.
 2739:                '<input type="textbox" name="printfmthdr_text_'.$currnum.
 2740:                '" value="" size ="25" />'.
 2741:                '<input type="hidden" name="printfmthdr_maxnum" value="'.
 2742:                 $maxnum.'" /></td>'.
 2743:                '</tr>'.
 2744:                '</table>'; 
 2745:     return $output;
 2746: }
 2747: 
 2748: sub position_selector {
 2749:     my ($pos,$num,$maxnum) = @_;
 2750:     my $output = '<select name="printfmthdr_pos_'.$num.'" onchange="reOrder('."'$num'".');">';
 2751:     for (my $j=1; $j<=$maxnum; $j++) {
 2752:         my $sel = '';
 2753:         if ($pos == $j) {
 2754:             $sel = ' selected="selected"';
 2755:         }
 2756:         $output .= '<option value="'.$j.'"'.$sel.'">'.$j.'</option>';
 2757:     }
 2758:     $output .= '</select><input type="hidden" name="printfmthdr_oldpos_'.$num.
 2759:                '" value="'.$pos.'" />';
 2760:     return $output;
 2761: }
 2762: 
 2763: sub substitution_selector {
 2764:     my ($num,$subst,$limit,$crstype) = @_;
 2765:     my ($stunametxt,$crsidtxt);
 2766:     if ($crstype eq 'Community') {
 2767:         $stunametxt = 'member name';
 2768:         $crsidtxt = 'community ID',
 2769:     } else {
 2770:         $stunametxt = 'student name';
 2771:         $crsidtxt = 'course ID',
 2772:     }
 2773:     my %lt = &Apache::lonlocal::texthash(
 2774:                     n => $stunametxt,
 2775:                     c => $crsidtxt,
 2776:                     a => 'assignment note',
 2777:              );
 2778:     my $output .= &mt('Substitution').'<br />'.
 2779:                   '<select name=""printfmthdr_sub__'.$num.'">';
 2780:     if ($subst eq '') {
 2781:         $output .= '<option value="" selected="selected"> </option>';
 2782:     }
 2783:     foreach my $field ('n','c','a') {
 2784:         my $sel ='';
 2785:         if ($subst eq $field) {
 2786:             $sel = ' selected="selected"';
 2787:         }
 2788:         $output .= '<option value="'.$field.'"'.$sel.'>'.
 2789:                    $lt{$field}.'</option>';
 2790:     }
 2791:     $output .= '</select></td><td align="left">'.&mt('Size limit').'<br />'.
 2792:                '<input type="textbox" name="printfmthdr_limit_'.$num.
 2793:                '" value="'.$limit.'" size="5" /></span>';
 2794:     return $output;
 2795: }
 2796: 
 2797: 1;

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