File:  [LON-CAPA] / loncom / interface / loncoursegroups.pm
Revision 1.52: download - view: text, annotated - select for diffs
Mon Jul 17 15:07:26 2006 UTC (18 years ago) by raeburn
Branches: MAIN
CVS tags: HEAD
Counts for active, future and previous now stored in a hash in longroup. Breadcrumbs includes link to all groups if route to roster page was via the 'Groups' link in inline menu.  Title of a group bulletin board can now be returned from longroup.pm for a specified board.  Priv checking for vcg and mdg for roles which include section specifier.  Group privs allow editing of group board posts by poster, and detailed view of course roster information.

    1: # The LearningOnline Network with CAPA
    2: #
    3: # $Id: loncoursegroups.pm,v 1.52 2006/07/17 15:07:26 raeburn Exp $
    4: #
    5: # Copyright Michigan State University Board of Trustees
    6: #
    7: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
    8: #
    9: # LON-CAPA is free software; you can redistribute it and/or modify
   10: # it under the terms of the GNU General Public License as published by
   11: # the Free Software Foundation; either version 2 of the License, or
   12: # (at your option) any later version.
   13: #
   14: # LON-CAPA is distributed in the hope that it will be useful,
   15: # but WITHOUT ANY WARRANTY; without even the implied warranty of
   16: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   17: # GNU General Public License for more details.
   18: #
   19: # You should have received a copy of the GNU General Public License
   20: # along with LON-CAPA; if not, write to the Free Software
   21: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   22: #
   23: # /home/httpd/html/adm/gpl.txt
   24: #
   25: # http://www.lon-capa.org/
   26: #
   27: 
   28: package Apache::loncoursegroups;
   29: 
   30: use strict;
   31: use Apache::lonnet;
   32: use Apache::loncommon;
   33: use Apache::lonhtmlcommon;
   34: use Apache::lonlocal;
   35: use Apache::lonnavmaps;
   36: use Apache::longroup;
   37: use Apache::portfolio;
   38: use Apache::Constants qw(:common :http);
   39: use lib '/home/httpd/lib/perl/';
   40: use LONCAPA;
   41: 
   42: sub handler {
   43:     my ($r) = @_;
   44: 
   45:     &Apache::loncommon::content_type($r,'text/html');
   46:     $r->send_http_header;
   47: 
   48:     if ($r->header_only) {
   49:         return OK;
   50:     }
   51: 
   52:     #  Needs to be in a course
   53:     if (! ($env{'request.course.fn'})) {
   54:         # Not in a course
   55:         $env{'user.error.msg'}=
   56:      "/adm/coursegroups:mdg:0:0:Cannot edit or view course groups";
   57:         return HTTP_NOT_ACCEPTABLE;
   58:     }
   59: 
   60:     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
   61:                         ['action','refpage','state','groupname','branch']);
   62:     my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
   63:     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
   64: 
   65:     my $view_permission =
   66:           &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
   67:     my $manage_permission =
   68:           &Apache::lonnet::allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
   69:     &Apache::lonhtmlcommon::clear_breadcrumbs();
   70: 
   71:     my $gpterm = &Apache::loncommon::group_term();
   72:     my $ucgpterm = $gpterm;
   73:     $ucgpterm =~ s/^(\w)/uc($1)/e;
   74:     my $crstype = &Apache::loncommon::course_type();
   75: 
   76:     my %functions = (
   77:                       email => 'E-mail',
   78:                       discussion => 'Discussion boards',
   79:                       chat => 'Chat',
   80:                       files => 'File repository',
   81:                       roster => 'Membership roster',
   82:                       homepage => $ucgpterm.' home page',
   83:                     );
   84: 
   85:     my %idx = ();
   86:     $idx{id} = &Apache::loncoursedata::CL_ID();
   87:     $idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
   88:     $idx{udom} = &Apache::loncoursedata::CL_SDOM();
   89:     $idx{uname} = &Apache::loncoursedata::CL_SNAME();
   90:     $idx{section} = &Apache::loncoursedata::CL_SECTION();
   91: 
   92:     my $action = $env{'form.action'};
   93:     my $state = $env{'form.state'};
   94:     if ((!defined($action)) || ($action eq 'view')) {
   95:         if (!defined($state)) {
   96:             $state = 'view';
   97:         }
   98:     }
   99:     if ($action eq 'create' || $action eq 'modify' || $action eq 'view') { 
  100:         if ($view_permission || $manage_permission) {
  101:             &group_administration($r,$action,$state,$cdom,$cnum,
  102:                                   \%functions,\%idx,$view_permission,
  103:                                   $manage_permission,$gpterm,$ucgpterm,
  104: 				  $crstype);
  105:         } else {
  106:             $r->print(&mt('You do not have [_1] administration '.
  107:                           'privileges in this [_2]',$gpterm,lc($crstype)));
  108:         }
  109:     } else {
  110:         &print_main_menu($r,$cdom,$cnum,\%functions,\%idx,$view_permission,
  111: 			 $manage_permission,$action,$state,$gpterm,$ucgpterm,
  112: 			 $crstype);
  113:     }
  114:     return OK;
  115: }
  116: 
  117: sub print_main_menu {
  118:     my ($r,$cdom,$cnum,$functions,$idx,$view_permission,$manage_permission,
  119: 	$action,$state,$gpterm,$ucgpterm,$crstype) = @_;
  120:     my $pagename = "$crstype $ucgpterm".'s';
  121:     my $jscript = qq|
  122: function changeSort(caller) {
  123:     document.$state.sortby.value = caller;
  124:     document.$state.submit();
  125: }\n|;
  126:     $r->print(&header($pagename,$jscript,$action,$state));
  127:     &Apache::lonhtmlcommon::add_breadcrumb
  128:         ({href=>"/adm/coursegroups",
  129:           text=>"$pagename"});
  130:     $r->print(&Apache::lonhtmlcommon::breadcrumbs($pagename));
  131:     &display_groups($r,$cdom,$cnum,$functions,$idx,$view_permission,
  132: 		    $manage_permission,$action,$state,$gpterm,$ucgpterm,
  133: 		    $crstype);
  134:     $r->print(&footer());
  135:     return;
  136: }
  137: 
  138: sub display_groups {
  139:     my ($r,$cdom,$cnum,$functions,$idx,$view_permission,
  140:         $manage_permission,$action,$state,$gpterm,$ucgpterm,$crstype) = @_;
  141:     my %curr_groups = ();
  142:     my %grp_info = ();
  143:     my %actionlinks = (
  144:       modify => '<a href="/adm/coursegroups?action=modify&refpage='.
  145:                          $env{'form.refpage'}.'&groupname=',
  146:       view => '<a href="/adm/'.$cdom.'/'.$cnum.'/',
  147:       delete => '<a href="/adm/coursegroups?action=delete&refpage='.
  148:                          $env{'form.refpage'}.'&groupname=',
  149:     );
  150:     my %lt = &Apache::lonlocal::texthash( 
  151:                           modify => 'Modify',
  152:                           view   => 'View',
  153:                           delete => 'Delete',
  154:                           act    => 'Action',
  155:                           gname  => "$ucgpterm Name",
  156:                           desc   => 'Description',
  157:                           crea   => 'Creator',
  158:                           crtd   => 'Created',
  159:                           last   => 'Last Modified',
  160:                           func   => 'Functionality',
  161:                           quot   => 'Quota (Mb)',
  162:                           memb   => 'Members',
  163:                           file   => 'Files',
  164:                           dibd   => 'Discussion Boards',
  165:                           dius   => 'Disk Use (%)',
  166:                           nogr   => 'No '.$gpterm.'s exist.',
  167:                           crng   => 'Create a new '.$gpterm,
  168:                           alth   => 'Although your current role has privileges'.
  169:                                     ' to view any existing '.$gpterm.'s in this'.
  170:                                     lc($crstype).', you do not have privileges'.
  171:                                     'to create new '.$gpterm.'s.',
  172:                      );
  173:     if ($view_permission) {
  174:         if (!defined($action)) {
  175:             $action = 'view';
  176:         }
  177:         my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
  178:         if (%curr_groups) {
  179:             if ($manage_permission) {
  180:                 $r->print('<br /><a href="/adm/coursegroups?action=create&refpage='.$env{'form.refpage'}.'">'.$lt{'crng'}.'</a>');
  181:             }
  182:             $r->print('<br /><br />');
  183: 	    $r->print(&Apache::loncommon::start_data_table().
  184: 		      &Apache::loncommon::start_data_table_header_row());
  185: 		      
  186:             $r->print(<<"END");
  187:         <th>$lt{'act'}</th>
  188:         <th><a href="javascript:changeSort('groupname')">$lt{'gname'}</a></th>
  189:         <th><a href="javascript:changeSort('description')">$lt{'desc'}</a></th>
  190:         <th><a href="javascript:changeSort('creator')">$lt{'crea'}</a></th>
  191:         <th><a href="javascript:changeSort('creation')">$lt{'crtd'}</a></th>
  192:         <th><a href="javascript:changeSort('modified')">$lt{'last'}</a></th>
  193:         <th>$lt{'func'}</b></td>
  194:         <th><a href="javascript:changeSort('quota')">$lt{'quot'}</a></th>
  195:         <th><a href="javascript:changeSort('totalmembers')">$lt{'memb'}</a></th>
  196:         <th><a href="javascript:changeSort('totalfiles')">$lt{'file'}</a></th>
  197:         <th><a href="javascript:changeSort('boards')">$lt{'dibd'}</a></th>
  198:         <th><a href="javascript:changeSort('diskuse')">$lt{'dius'}</a></th>
  199: END
  200: 	    $r->print(&Apache::loncommon::end_data_table_header_row());
  201:             my %Sortby = ();
  202:             foreach my $group (sort(keys(%curr_groups))) {
  203:                 %{$grp_info{$group}} = 
  204:                                   &Apache::longroup::get_group_settings(
  205:                                                          $curr_groups{$group});
  206:                 my $members_result = &group_members($cdom,$cnum,$group,
  207:                                                     \%grp_info);
  208:                 my $port_path = '/userfiles/groups/'.$group.'/portfolio';
  209:                 my $port_dir = &Apache::loncommon::propath($cdom,$cnum).$port_path;
  210:                 my $totaldirs = 0;
  211:                 my $totalfiles = 0;
  212:                 &group_files($group,$port_dir,\$totalfiles,\$totaldirs);
  213:                 $grp_info{$group}{'totalfiles'} = $totalfiles;
  214:                 $grp_info{$group}{'totaldirs'} = $totaldirs;
  215:                 my $diskuse = &Apache::lonnet::diskusage($cdom,$cnum,$port_dir);
  216:                 if ($grp_info{$group}{'quota'} > 0) {
  217:                     my $pct_use = 0.1 * $diskuse/$grp_info{$group}{'quota'};
  218:                     $grp_info{$group}{'diskuse'} = sprintf("%.0f",$pct_use);
  219:                 } else {
  220:                     $grp_info{$group}{'diskuse'} = 'N/A';
  221:                 }
  222:                 my ($groupboards,$boardshash)=&Apache::longroup::get_group_bbinfo(
  223:                                                                $cdom,$cnum,$group);
  224:                 $grp_info{$group}{'boards'} = scalar(@{$groupboards});
  225:                 if ($env{'form.sortby'} eq 'groupname') {
  226:                     push(@{$Sortby{$group}},$group);
  227:                 } elsif ($env{'form.sortby'} eq 'description') {
  228:                     push(@{$Sortby{$grp_info{$group}{'description'}}},$group);
  229:                 } elsif ($env{'form.sortby'} eq 'creator') {
  230:                     push(@{$Sortby{$grp_info{$group}{'creator'}}},$group);
  231:                 } elsif ($env{'form.sortby'} eq 'creation') {
  232:                     push(@{$Sortby{$grp_info{$group}{'creation'}}},$group);
  233:                 } elsif ($env{'form.sortby'} eq 'modified') {
  234:                     push(@{$Sortby{$grp_info{$group}{'modified'}}},$group);
  235:                 } elsif ($env{'form.sortby'} eq 'quota') {
  236:                     push(@{$Sortby{$grp_info{$group}{'quota'}}},$group);
  237:                 } elsif ($env{'form.sortby'} eq 'totalmembers') {
  238:                     push(@{$Sortby{$grp_info{$group}{'totalmembers'}}},
  239:                                                                        $group);
  240:                 } elsif ($env{'form.sortby'} eq 'totalfiles') {
  241:                     push(@{$Sortby{$grp_info{$group}{'totalfiles'}}},$group);
  242:                 } elsif ($env{'form.sortby'} eq 'boards') {
  243:                     push(@{$Sortby{$grp_info{$group}{'boards'}}},$group);
  244:                 } elsif ($env{'form.sortby'} eq 'diskuse') {
  245:                     push(@{$Sortby{$grp_info{$group}{'diskuse'}}},$group);
  246:                 } else {
  247:                     push(@{$Sortby{$group}},$group);
  248:                 }
  249:             }
  250:             foreach my $key (sort(keys(%Sortby))) {
  251:                 foreach my $group (@{$Sortby{$key}}) {
  252:                     my $description = 
  253: 			&unescape($grp_info{$group}{'description'});
  254:                     my $creator = $grp_info{$group}{'creator'};
  255:                     my $creation = $grp_info{$group}{'creation'};
  256:                     my $modified = $grp_info{$group}{'modified'}; 
  257:                     my $quota = $grp_info{$group}{'quota'};
  258:                     my $totalmembers = $grp_info{$group}{'totalmembers'};
  259:                     my $totalfiles = $grp_info{$group}{'totalfiles'};
  260:                     my $totaldirs = $grp_info{$group}{'totaldirs'};
  261:                     my $boards = $grp_info{$group}{'boards'};
  262:                     my $diskuse = $grp_info{$group}{'diskuse'};
  263:                     my $functionality;
  264:                     foreach my $tool (sort(keys(%{$functions}))) {
  265:                         if ($grp_info{$group}{functions}{$tool} eq 'on') {
  266:                             $functionality .= ' '.$tool;
  267:                         }
  268:                     }
  269:                     if (!$functionality) {
  270:                         $functionality = &mt('None available');
  271:                     }
  272:                     my $link = $actionlinks{$action};
  273:                     if ($action eq 'modify' || $action eq 'delete') {
  274:                         $link .= $group;
  275:                     } else {
  276:                         $link .= $group.'/smppg?ref=grouplist';
  277:                     }
  278:                     $link .= '">'.$lt{$action}.'</a>';
  279:                     if ($action eq 'view') { 
  280:                         if (($manage_permission) && 
  281:                             ($env{'form.refpage'} ne 'enrl')) {
  282:                             $link .= '&nbsp;&nbsp;'.$actionlinks{'modify'}.
  283:                                       $group.'">'.$lt{'modify'}.'</a>';
  284:                         }
  285:                     }
  286:                     $r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense').
  287: 			      '<td>'.$link.'</td>'.
  288: 			      '<td>'.$group.'</td>'.
  289: 			      '<td>'.$description.'</td>'.
  290: 			      '<td>'.$creator.'</td>'.
  291: 			      '<td>'. &Apache::lonnavmaps::timeToHumanString($creation).'</td>'.
  292: 			      '<td>'. &Apache::lonnavmaps::timeToHumanString($modified).'</td>'.
  293: 			      '<td>'.$functionality.'</td>'.
  294: 			      '<td align="right">'.$quota.'</td>'.
  295: 			      '<td align="right">'.$totalmembers.'</td>'.
  296: 			      '<td align="right"><nobr>'.&mt('Files: ').$totalfiles.'</nobr><br /><nobr>'.&mt('Folders: ').$totaldirs.'</nobr></td>'.
  297: 			      '<td align="right">'.$boards.'</td>'.
  298: 			      '<td align="right">'.$diskuse.'</td>'.
  299: 			      &Apache::loncommon::end_data_table_row());
  300:                 }
  301:             }
  302:             $r->print(&Apache::loncommon::end_data_table());
  303:             $r->print('<input type="hidden" name="refpage" '.
  304:                       'value="'.$env{'form.refpage'}.'" />');
  305:             if ($action eq 'view') {
  306:                 if (!defined($state)) {
  307:                     $state = 'view';
  308:                 }
  309:                 $r->print('<input type="hidden" name="state" value="'.
  310:                       $state.'" />');
  311:             }
  312:         } else {
  313:             $r->print($lt{'nogr'});
  314:             if ($manage_permission) {
  315:                 $r->print('<br /><br /><a href="/adm/coursegroups?action=create&refpage='.$env{'form.refpage'}.'">'.$lt{'crng'}.'</a>');
  316:             } else {
  317:                 $r->print('<br /><br />'.$lt{'alth'});
  318: 
  319:             }
  320:         }
  321:     } else {
  322:         my @coursegroups = split(/:/,$env{'request.course.groups'});
  323:         if (@coursegroups > 0) {
  324:             $r->print('<br /><br />');
  325:             my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
  326:             if (%curr_groups) {
  327:                 foreach my $group (@coursegroups) {
  328:                     my %group_info =  &Apache::longroup::get_group_settings(
  329:                                         $curr_groups{$group});
  330:                     my $description = &unescape(
  331:                                         $group_info{description});
  332:                     $r->print('<font size="+1"><a href="/adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg?ref=grouplist">'.$group,'</a><font><br /><small>'.$description.'</small><br /><br />');
  333:                 }
  334:             }
  335:         } else {
  336:             $r->print(&mt('You are not currently a member of any '.
  337:                           'active [_1]s in this [_2]',$gpterm,
  338:                           lc($crstype)));
  339:         }
  340:     }
  341:     return;
  342: }
  343: 
  344: sub group_administration {
  345:     my ($r,$action,$state,$cdom,$cnum,$functions,$idx,$view_permission,
  346: 	$manage_permission,$gpterm,$ucgpterm,$crstype) = @_;
  347:     my %sectioncount = ();
  348:     my @tools = ();
  349:     my @types = ();
  350:     my @roles = ();
  351:     my @sections = ();
  352:     my %users = ();
  353:     my %userdata = ();
  354:     my @members = ();
  355:     my %usertools = ();
  356:     my %stored = ();
  357:     my %memchg;
  358:     my @member_changes = ('deletion','expire','activate','reenable',
  359:                           'changefunc','changepriv');
  360:     my ($groupname,$description,$startdate,$enddate,$granularity,$specificity,
  361:         $quota,$validate_script);
  362: 
  363:     if (defined($env{'form.groupname'})) {
  364:         $groupname = $env{'form.groupname'};
  365:     }
  366: 
  367:     if (($action eq 'create') && ($state eq '')) {
  368:         $state = 'pick_name';
  369:     }
  370:     if (($action eq 'create') || 
  371:         (($action eq 'modify') && ($state eq 'chgresult'))) { 
  372:         ($startdate,$enddate) = &get_dates_from_form();
  373:         if (defined($env{'form.description'})) {
  374:             $description = $env{'form.description'};
  375:         }
  376:         if (defined($env{'form.tool'})) {
  377:             @tools=&Apache::loncommon::get_env_multiple('form.tool');
  378:         }
  379:         if (defined($env{'form.granularity'})) {
  380:             $granularity=$env{'form.granularity'};
  381:         }
  382:         if (defined($env{'form.specificity'})) {
  383:             $specificity=$env{'form.specificity'};
  384:         }
  385:         if (defined($env{'form.quota'})) {
  386:             $quota=$env{'form.quota'};
  387:         }
  388:     }
  389:     if (($action eq 'create') || (($action eq 'modify') 
  390:         && (($state eq 'pick_privs') || ($state eq 'addresult')))) {
  391:         if (defined($env{'form.member'})) {
  392:             @members = &Apache::loncommon::get_env_multiple('form.member');
  393:             foreach my $user (@members) {
  394:                 %{$usertools{$user}} = ();
  395:             }
  396:         }
  397:     }
  398: 
  399:     if ($action eq 'modify') {
  400:         if ($state eq '') {
  401:             if (defined($env{'form.groupname'})) {
  402:                 $state = 'pick_task';
  403:             } else {
  404:                 $state = 'pick_group';
  405:             }
  406:         } else {
  407:             %stored = &retrieve_settings($cdom,$cnum,$groupname);
  408:             if (ref($stored{'types'}) eq 'ARRAY') {
  409:                 @types = @{$stored{'types'}};
  410:             }
  411:             if (ref($stored{'roles'}) eq 'ARRAY') {
  412:                 @roles = @{$stored{'roles'}};
  413:             }
  414:             if (ref($stored{'sectionpick'}) eq 'ARRAY') {
  415:                 @sections = @{$stored{'sectionpick'}};
  416:             }
  417:             unless ($state eq 'chgresult') {
  418:                 if (ref($stored{'tool'}) eq 'ARRAY') { 
  419:                     @tools = @{$stored{'tool'}};
  420:                 }
  421:                 $startdate = $stored{'startdate'};
  422:                 $enddate = $stored{'enddate'};
  423:                 $description = $stored{'description'};
  424:                 $granularity = $stored{'granularity'};
  425:                 $specificity =  $stored{'specificity'};
  426:                 $quota = $stored{'quota'};
  427:             }
  428:         }
  429:     }
  430: 
  431:     my $toolprivs = &Apache::longroup::get_tool_privs($gpterm);
  432: 
  433:     my $fixedprivs = &Apache::longroup::get_fixed_privs();
  434: 
  435:     my %elements = 
  436: 	(
  437: 	 create => {
  438: 	     pick_name => {
  439: 		 startdate_month  => 'selectbox',
  440: 		 startdate_hour   => 'selectbox',
  441: 		 enddate_month    => 'selectbox',
  442: 		 enddate_hour     => 'selectbox',
  443: 		 startdate_day    => 'text',
  444: 		 startdate_year   => 'text',
  445: 		 startdate_minute => 'text',
  446: 		 startdate_second => 'text',
  447: 		 enddate_day      => 'text',
  448: 		 enddate_year     => 'text',
  449: 		 enddate_minute   => 'text',
  450: 		 enddate_second   => 'text',
  451: 		 groupname        => 'text',
  452: 		 description      => 'text',
  453:                  quota            => 'text',
  454: 		 tool             => 'checkbox',
  455: 		 granularity      => 'radio',
  456: 		 no_end_date      => 'checkbox',
  457: 	     },
  458: 	     pick_members => {
  459: 		 member          => 'checkbox',
  460: 		 defpriv         => 'checkbox',
  461: 	     },
  462: 	 },
  463: 	 );
  464:     
  465:     $elements{'modify'} = {
  466: 	change_settings => {
  467: 	    %{$elements{'create'}{'pick_name'}},
  468: 	    specificity => 'radio',
  469: 	    defpriv     => 'checkbox',
  470: 	    autorole    => 'checkbox',
  471: 	    autoadd     => 'radio',
  472: 	    autodrop    => 'radio',
  473: 	},
  474: 	add_members => {
  475: 	    types       => 'selectbox',
  476: 	    roles       => 'selectbox',
  477: 	},
  478:     };
  479: 
  480:     if (ref($stored{'autorole'}) eq 'ARRAY') {
  481:         foreach my $role (@{$stored{'autorole'}}) {
  482:             unless ($role eq 'cc') {
  483:                 $elements{'modify'}{'change_settings'}{'sec_'.$role} = 
  484:                                                                    'selectbox';
  485:             }
  486:         }
  487:     }
  488: 
  489:     if (($action eq 'create') && ($state eq 'pick_name')) {
  490:         $elements{'create'}{'pick_name'}{'types'} = 'selectbox';
  491:         $elements{'create'}{'pick_name'}{'roles'} = 'selectbox';
  492:     }
  493:     if ((($action eq 'create') &&  
  494:         (($state eq 'pick_name') || ($state eq 'pick_privs'))) ||
  495:        (($action eq 'modify') && (($state eq 'change_settings') ||
  496:                                   ($state eq 'add_members')))) {
  497:         %sectioncount = &Apache::loncommon::get_sections($cdom,$cnum);
  498:         if (%sectioncount) {
  499:             $elements{'create'}{'pick_name'}{'sectionpick'} = 'selectbox';
  500:             $elements{'modify'}{'change_mapping'}{'sectionpick'} = 'selectbox';
  501:             $elements{'modify'}{'add_members'}{'sectionpick'} = 'selectbox';
  502:         }
  503:     }
  504: 
  505:     if (($action eq 'create') || 
  506:         ($action eq 'modify' && $state eq 'pick_members')) {
  507:         if (defined($env{'form.types'})) {
  508:             @types=&Apache::loncommon::get_env_multiple('form.types');
  509:         }
  510:         if (defined($env{'form.roles'})) {
  511:             @roles=&Apache::loncommon::get_env_multiple('form.roles');
  512:         }
  513:         if (defined($env{'form.sectionpick'})) {
  514:             @sections=&Apache::loncommon::get_env_multiple('form.sectionpick');
  515:             if (grep/^all$/,@sections) {
  516:                 @sections = sort {$a cmp $b} keys(%sectioncount);
  517:             }
  518:         }
  519:     }
  520: 
  521:     if (($state eq 'pick_members') || ($state eq 'pick_privs') || ($state eq 'change_privs')) {
  522:         &build_members_list($cdom,$cnum,\@types,\@roles,\@sections,\%users,
  523:                             \%userdata);
  524:     }
  525:     if ($state eq 'pick_members') {
  526:         if ((keys(%users) > 0) && (@tools > 0)) {
  527:             if ($granularity eq 'Yes') {
  528:                 $elements{$action}{'pick_members'}{'togglefunc'} = 'checkbox';
  529:             }
  530:             foreach my $tool (@tools) {
  531:                 if ($granularity eq 'Yes') {
  532:                     $elements{$action}{'pick_members'}{'user_'.$tool} = 'checkbox';
  533:                 }
  534:             }
  535:             $elements{$action}{'pick_members'}{'specificity'} = 'radio';
  536:         }
  537:     }
  538:     if ($state eq 'change_members') {
  539:         my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
  540:                                                                $groupname);
  541:         my $now = time;
  542:         my $num_expire = 0;
  543:         my $num_activate = 0;
  544:         my $num_reenable = 0;
  545:         my $num_deletion = 0;
  546:         my $numusers = 0;
  547:         foreach my $key (sort(keys(%membership))) {
  548:             if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
  549:                 my $user = $1;
  550:                 my($end,$start,@userprivs) = split(/:/,$membership{$key});
  551:                 unless ($start == -1) {
  552:                     $numusers ++;
  553:                     $num_deletion ++;
  554:                     if (($end > 0) && ($end < $now)) {
  555:                         $num_reenable ++;
  556:                         next;
  557:                     } elsif (($start > $now)) {
  558:                         $num_activate ++;
  559:                         next;
  560:                     } else {
  561:                         $num_expire ++;
  562:                         next;
  563:                     }
  564:                     next;
  565:                 }
  566:                 if ($num_reenable && $num_activate && $num_expire) {
  567:                     last;
  568:                 }
  569:             }
  570:         }
  571:         if ($num_deletion) {
  572:             $elements{$action}{'change_members'}{'deletion'} = 'checkbox';
  573:         }
  574:         if ($num_expire) {
  575:             $elements{$action}{'change_members'}{'expire'} = 'checkbox';
  576:         }
  577:         if ($num_activate) {
  578:             $elements{$action}{'change_members'}{'activate'} = 'checkbox';
  579:         }
  580:         if ($num_reenable) {
  581:             $elements{$action}{'change_members'}{'reenable'} = 'checkbox';
  582:         }
  583:         if ($numusers) {
  584:             if ($granularity eq 'Yes') {
  585:                 $elements{$action}{'change_members'}{'togglefunc'} = 'checkbox';
  586:             }
  587:             foreach my $tool (@tools) {
  588:                 if ($granularity eq 'Yes') {
  589:                     $elements{$action}{'change_members'}{'user_'.$tool} = 'checkbox';
  590:                 }
  591:             }
  592:             if ($specificity eq 'Yes') {
  593:                 $elements{$action}{'change_members'}{'changepriv'} = 'checkbox';
  594:             }
  595:         }
  596:     }
  597: 
  598:     if (($state eq 'pick_privs') || ($state eq 'change_privs') ||
  599:          (($specificity eq 'No') && 
  600:           ($state eq 'memresult' || $state eq 'result' || $state eq 'addresult'))) { 
  601:         foreach my $tool (@tools) {
  602:             my @values = &Apache::loncommon::get_env_multiple('form.user_'.$tool);
  603:             foreach my $user (@values) {
  604:                 if ($state eq 'pick_privs' || $state eq 'result' 
  605:                     || $state eq 'addresult') {
  606:                     if (!grep(/^\Q$user\E$/,@members)) {
  607:                         next;
  608:                     }
  609:                 }
  610:                 unless(exists($usertools{$user}{$tool})) {
  611:                     $usertools{$user}{$tool} = 1;
  612:                 }
  613:             }
  614:         }
  615:     }
  616: 
  617:     if (($action eq 'modify') && (($state eq 'change_privs') || ($state eq 'memresult'))) {
  618:         foreach my $chg (@member_changes) {
  619:             if (defined($env{'form.'.$chg})) {
  620:                 @{$memchg{$chg}} = &Apache::loncommon::get_env_multiple('form.'.$chg);
  621:             }
  622:         }
  623:                                                                               
  624:         if ($state eq 'change_privs') {
  625:             my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
  626:                                                                    $groupname);
  627:             my $now = time;
  628:             foreach my $key (sort(keys(%membership))) {
  629:                 if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
  630:                     my $user = $1;
  631:                     my $changefunc = 0;
  632:                     my ($end,$start,@userprivs) = split(/:/,$membership{$key});
  633:                     unless ($start == -1) {
  634:                         if (($end > 0) && ($end < $now)) {
  635:                             unless (grep/^$user$/,$memchg{'reenable'}) {
  636:                                 next;
  637:                             }
  638:                         }
  639:                         my @currtools = ();
  640:                         if (@userprivs > 0) {
  641:                             foreach my $tool (sort(keys(%{$fixedprivs}))) {
  642:                                 foreach my $priv (keys(%{$$fixedprivs{$tool}})) {
  643:                                     if (grep/^$priv$/,@userprivs) {
  644:                                         push(@currtools,$tool);
  645:                                         last;
  646:                                     }
  647:                                 }
  648:                             }
  649:                         }
  650:                         foreach my $tool (@currtools) {
  651:                             if (keys(%{$usertools{$user}}) > 0) {
  652:                                 if (!$usertools{$user}{$tool}) {
  653:                                     push(@{$memchg{'changefunc'}},$user);
  654:                                     $changefunc = 1;
  655:                                     last;
  656:                                 }
  657:                             } else {
  658:                                 push(@{$memchg{'changefunc'}},$user);
  659:                                 $changefunc = 1;
  660:                             }
  661:                         }
  662:                         if ($changefunc) {
  663:                             next;
  664:                         }
  665:                         if (keys(%{$usertools{$user}}) > 0) {
  666:                             foreach my $tool (keys(%{$usertools{$user}})) {
  667:                                 if (!grep/^$tool$/,@currtools) {
  668:                                     push(@{$memchg{'changefunc'}},$user);
  669:                                     $changefunc = 1;
  670:                                     last;
  671:                                 }
  672:                             }
  673:                         }
  674:                     }
  675:                 }
  676:             }
  677:             &check_changes(\@member_changes,\%memchg);
  678:             my %temptools;
  679:             foreach my $change (@member_changes) {
  680:                 if (($change eq 'deletion') || ($change eq 'expire')) {
  681:                     next;
  682:                 }
  683:                 foreach my $user (@{$memchg{$change}}) {
  684:                     unless (exists($usertools{$user})) {
  685:                         %{$usertools{$user}} = ();
  686:                     }
  687:                     %{$temptools{$user}} = %{$usertools{$user}}; 
  688:                 }
  689:             }
  690:             %usertools = %temptools;
  691:         } elsif ($state eq 'memresult') {
  692:             foreach my $change (@member_changes) {
  693:                 if ($change eq 'expire' || $change eq 'deletion') {
  694:                     next;
  695:                 }
  696:                 if (ref($memchg{$change}) eq 'ARRAY') { 
  697:                     my @users = @{$memchg{$change}};
  698:                     foreach my $user (@users) {
  699:                         unless (exists($usertools{$user})) {
  700:                             %{$usertools{$user}} = ();
  701:                         }
  702:                     }
  703:                 }
  704:             }
  705:         }
  706:     }
  707: 
  708:     if ((($state eq 'pick_privs') || ($state eq 'change_privs'))
  709:         && ($specificity eq 'Yes')) {
  710:         foreach my $user (sort(keys(%usertools))) {
  711:             foreach my $tool (keys(%{$usertools{$user}})) {
  712:                 foreach my $priv (keys(%{$$toolprivs{$tool}})) {
  713:                     unless (exists($$fixedprivs{$tool}{$priv})) {
  714:                         $elements{$action}{$state}{'userpriv_'.$priv} = 'checkbox';
  715:                     }
  716:                 }
  717:             }
  718:         }
  719:     }
  720: 
  721:     if (($action eq 'create' && $state eq 'pick_name') || 
  722:         ($action eq 'modify' && $state eq 'change_settings')) {
  723:         my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,\%stored);
  724:         my $space_trim = '/^\s*|\s*\$/g,""';
  725:         my $float_check = '/^([0-9]*\.?[0-9]*)$/';
  726:         $validate_script = '
  727:     var newquota = document.'.$state.'.quota.value;
  728:     newquota.replace('.$space_trim.');
  729:     if (newquota == "" ) {
  730:         document.'.$state.'.quota.value = 0;
  731:         newquota = 0;       
  732:     }
  733:     var maxposs = '.$maxposs.';
  734:     if (newquota > maxposs) {
  735:         alert("The file repository quota you entered for this group ("+newquota+" Mb) exceeds the maximum possible ("+maxposs+" Mb). Please enter a smaller number.");
  736:         return;
  737:     }
  738:     var re_quota = '.$float_check.';
  739:     var check_quota = newquota.match(re_quota);
  740:     if (check_quota == null) {
  741:         alert("The quota you entered contains invalid characters, the quota should only include numbers, with or without a decimal point.");
  742:         return;
  743:     }
  744:     if (newquota == 0) {
  745:         var warn_zero = 0;
  746:         for (var i=0; i<document.'.$state.'.tool.length; i++) {
  747:             if (document.'.$state.'.tool[i].value == "files") {
  748:                 if (document.'.$state.'.tool[i].checked) {
  749:                     warn_zero = 1;
  750:                 }
  751:             }
  752:         }
  753:         if (warn_zero == 1) {
  754:             alert("You have indicated that the file repository should be enabled, but you have set the respository quota to 0 Mb.\nThis will prevent any upload of files.\nPlease set a value or disable the repository feature.");
  755:             return;
  756:         }
  757:     } 
  758: ';
  759:     }
  760:     my $jscript = &Apache::loncommon::check_uncheck_jscript();
  761:     $jscript .= qq|
  762: function nextPage(formname,nextstate) {
  763:     formname.state.value= nextstate;
  764:     $validate_script
  765:     formname.submit();
  766: }
  767: function backPage(formname,prevstate) {
  768:     formname.state.value = prevstate;
  769:     formname.submit();
  770: }
  771: function changeSort(caller) {
  772:     document.$state.state.value = '$state';
  773:     document.$state.sortby.value = caller;
  774:     document.$state.submit();
  775: } 
  776: 
  777: |;
  778:     $jscript .= &Apache::lonhtmlcommon::set_form_elements(
  779:                            \%{$elements{$action}{$state}},\%stored);
  780:     my $page = 0;
  781:     my %states = ();
  782:     my %branchstates = ();
  783:     @{$states{'create'}} = ('pick_name','pick_members','pick_privs','result');
  784:     @{$states{'modify'}} = ('pick_group','pick_task');
  785:     @{$branchstates{'noprivs'}} = ('result');
  786:     @{$branchstates{'settings'}} = ('change_settings','chgresult');
  787:     @{$branchstates{'members'}} = ('change_members','change_privs','memresult');
  788:     @{$branchstates{'adds'}} = ('add_members','pick_members','pick_privs',
  789:                                 'addresult');
  790: 
  791:     if (defined($env{'form.branch'})) {
  792:         push (@{$states{$action}},@{$branchstates{$env{'form.branch'}}});
  793:     }
  794: 
  795:     if (($action eq 'create') || ($action eq 'modify')) {
  796:         my $done = 0;
  797:         my $i=0;
  798:         while ($i<@{$states{$action}} && !$done) {
  799:             if ($states{$action}[$i] eq $state) {
  800:                 $page = $i;
  801:                 $done = 1;
  802:             }
  803:             $i++;
  804:         }
  805:     }
  806: 
  807:     my $loaditems =  &onload_action($action,$state);
  808:     my $crumbtitle = "$crstype $ucgpterm".'s'; 
  809:     $r->print(&header("$crumbtitle Manager",
  810: 		      $jscript,$action,$state,$page,$loaditems));
  811: 
  812:     if ($env{'form.refpage'} eq 'enrl') {
  813:         &Apache::lonhtmlcommon::add_breadcrumb
  814:         ({href=>"/adm/dropadd",
  815:           text=>"Enrollment Manager",
  816:           faq=>9,bug=>'Instructor Interface',});
  817:     } else {
  818:         &Apache::lonhtmlcommon::add_breadcrumb
  819:        ({href=>"/adm/coursegroups",
  820:           text=>"$crumbtitle",
  821:           faq=>9,bug=>'Instructor Interface',});
  822:     }
  823: 
  824:     my %trail = ();
  825:     %{$trail{'create'}} = &Apache::lonlocal::texthash (
  826:                             pick_name => $ucgpterm.' Settings',
  827:                             pick_members => 'Select Members',
  828:                             pick_privs => 'Choose Privileges',
  829:                             result => 'Creation Complete',
  830:                           );
  831:     %{$trail{'modify'}} = &Apache::lonlocal::texthash(
  832:                             pick_group => $ucgpterm.'s',
  833:                             pick_task => 'Choose Task',
  834:                             change_settings => "$ucgpterm Settings",
  835:                             change_members => 'Modify/Delete Members',
  836:                             change_privs => 'Change Privileges',
  837:                             change_mapping => 'Membership Mapping',
  838:                             add_members => 'Add Members',
  839:                             pick_members => 'Select Members',
  840:                             pick_privs => 'Choose Privileges',
  841:                             chgresult => 'Setting Changes Complete',
  842:                             memresult => 'Modifications Complete',
  843:                             addresult => 'Additions Complete',
  844:                           );
  845:     my %navbuttons = &Apache::lonlocal::texthash(
  846:                              gtns => 'Go to next step',
  847:                              gtps => 'Go to previous step',
  848:                              crgr => 'Create '.$gpterm,
  849:                              mose => 'Modify settings',
  850:                              gtpp => 'Go to previous page',
  851:                              adme => 'Add members',
  852:     );
  853:     if ((($action eq 'create') || ($action eq 'modify')) &&
  854:               ($manage_permission)) {
  855:         for (my $i=0; $i<@{$states{$action}}; $i++) {
  856:             if ($state eq $states{$action}[$i]) {
  857:                 &Apache::lonhtmlcommon::add_breadcrumb(
  858:                    {text=>"$trail{$action}{$state}"});
  859:                 $r->print(&Apache::lonhtmlcommon::breadcrumbs
  860: 			  ("$crumbtitle Manager"));
  861:                 &display_control($r,$cdom,$cnum,$action,$state,$page,
  862:                        \%sectioncount,$groupname,$description,$functions,
  863:                        \@tools,$toolprivs,$fixedprivs,$startdate,$enddate,
  864:                        \%users,\%userdata,$idx,\%memchg,\%usertools,
  865:                        $view_permission,$manage_permission,
  866:                        \%stored,$granularity,$quota,$specificity,\@types,\@roles,
  867:                        \@sections,\%states,\%navbuttons,$gpterm,$ucgpterm,
  868: 				 $crstype);
  869:                 last;
  870:             } else {
  871:                 if (($state eq 'result') && ($i > 0)) {
  872:                     &Apache::lonhtmlcommon::add_breadcrumb(
  873:     {href=>"javascript:backPage(document.$state,'$states{$action}[0]')",
  874:       text=>"$trail{$action}{$states{$action}[$i]}"});
  875:                 } else { 
  876:                     &Apache::lonhtmlcommon::add_breadcrumb(
  877:      {href=>"javascript:backPage(document.$state,'$states{$action}[$i]')",
  878:       text=>"$trail{$action}{$states{$action}[$i]}"});
  879:                 }
  880:             }
  881:         }
  882:     } elsif (($action eq 'view') && ($view_permission)) {
  883:                         &Apache::lonhtmlcommon::add_breadcrumb(
  884:                    {text=>"View $gpterm".'s'});
  885:         my $crumbtitle = "$crstype $ucgpterm".'s Manager';
  886:         $r->print(&Apache::lonhtmlcommon::breadcrumbs
  887: 		  (&mt($crumbtitle)));
  888:         &display_groups($r,$cdom,$cnum,$functions,$idx,$view_permission,
  889: 			$manage_permission,$action,$state,$gpterm,$ucgpterm,
  890: 			$crstype);
  891: 
  892:     }
  893:     $r->print(&footer());
  894:     return;
  895: }
  896: 
  897: sub retrieve_settings {
  898:     my ($cdom,$cnum,$groupname) = @_;
  899:     my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$groupname);
  900: 
  901:     return if (!%curr_groups);
  902: 
  903:     my %groupinfo = 
  904: 	&Apache::longroup::get_group_settings($curr_groups{$groupname});
  905: 
  906:     my %stored;
  907: 
  908:     $stored{'description'} = 
  909: 	&unescape($groupinfo{'description'});
  910:     $stored{'startdate'} = $groupinfo{'startdate'};
  911:     $stored{'enddate'} = $groupinfo{'enddate'};
  912:     if ($stored{'enddate'} == 0) {
  913: 	$stored{'no_end_date'} = 1;
  914:     }
  915:     $stored{'granularity'} = $groupinfo{'granularity'};
  916:     $stored{'specificity'} = $groupinfo{'specificity'};
  917:     $stored{'creation'} = $groupinfo{'creation'};
  918:     $stored{'creator'} = $groupinfo{'creator'};
  919:     $stored{'quota'} = $groupinfo{'quota'};
  920: 
  921:     foreach my $tool (sort(keys(%{$groupinfo{'functions'}}))) {
  922: 	if ($groupinfo{functions}{$tool} eq 'on') {
  923: 	    push(@{$stored{tool}},$tool);
  924: 	}
  925:     }
  926:     foreach my $role (@{$groupinfo{'roles'}}) {
  927: 	push(@{$stored{roles}},$role);
  928:     }
  929:     foreach my $type (@{$groupinfo{'types'}}) {
  930: 	push(@{$stored{types}},$type);
  931:     }
  932:     foreach my $section (@{$groupinfo{'sectionpick'}}) {
  933: 	push(@{$stored{sectionpick}},$section);
  934:     }
  935:     foreach my $defpriv (@{$groupinfo{'defpriv'}}) {
  936: 	push(@{$stored{defpriv}},$defpriv);
  937:     }
  938:     $stored{'autoadd'} = $groupinfo{'autoadd'};
  939:     $stored{'autodrop'} = $groupinfo{'autodrop'};
  940:     if (exists($groupinfo{'autosec'})) {
  941: 	foreach my $role (sort(keys(%{$groupinfo{'autosec'}}))) {
  942:             if (ref($groupinfo{'autosec'}{$role}) eq 'ARRAY') {
  943: 	        foreach my $section (@{$groupinfo{'autosec'}{$role}}) {
  944: 	            push (@{$stored{'sec_'.$role}},$section);
  945: 	        }
  946: 	        if (@{$groupinfo{'autosec'}{$role}} > 0) {
  947: 		    push(@{$stored{'autorole'}},$role);
  948: 	        }
  949:             }
  950: 	}
  951:     }
  952:     return %stored;
  953: }
  954: 
  955: sub display_control {
  956:     my ($r,$cdom,$cnum,$action,$state,$page,$sectioncount,$groupname,
  957:         $description,$functions,$tools,$toolprivs,$fixedprivs,$startdate,
  958:         $enddate,$users,$userdata,$idx,$memchg,$usertools,
  959:         $view_permission,$manage_permission,$stored,$granularity,$quota,
  960:         $specificity,$types,$roles,$sections,$states,$navbuttons,
  961: 	$gpterm,$ucgpterm,$crstype) = @_;
  962:     if ($action eq 'create') {
  963:         if ($state eq 'pick_name') {
  964:             &general_settings_form($r,$cdom,$cnum,$action,$state,$page,
  965:                                    $functions,$tools,$toolprivs,$fixedprivs,
  966:                                    $sectioncount,$stored,$states,$navbuttons,
  967:                                    $gpterm,$ucgpterm,$crstype);
  968:         } elsif ($state eq 'pick_members') {
  969:             &choose_members_form($r,$cdom,$cnum,$action,$state,$page,
  970:                                  $groupname,$description,$granularity,$quota,
  971:                                  $startdate,$enddate,$tools,$fixedprivs,
  972:                                  $toolprivs,$functions,$users,$userdata,$idx,
  973:                                  $stored,$states,$navbuttons,$gpterm,$ucgpterm,
  974: 				 $crstype);
  975:         } elsif ($state eq 'pick_privs') {
  976:             &choose_privs_form($r,$cdom,$cnum,$action,$state,$page,
  977:                                $startdate,$enddate,$tools,$functions,
  978:                                $toolprivs,$fixedprivs,$userdata,$usertools,
  979:                                $idx,$states,$stored,$sectioncount,$navbuttons,
  980:                                $gpterm,$ucgpterm,$crstype);
  981:         } elsif ($state eq 'result') {
  982:             &process_request($r,$cdom,$cnum,$action,$state,$page,
  983:                              $groupname,$description,$specificity,$userdata,
  984:                              $startdate,$enddate,$tools,$functions,
  985:                              $toolprivs,$usertools,$idx,$types,$roles,
  986:                              $sections,$states,$navbuttons,$memchg,
  987:                              $sectioncount,$stored,$gpterm,$ucgpterm,$crstype);
  988:         }
  989:     } elsif ($action eq 'modify') {
  990:         my $groupname = $env{'form.groupname'};
  991:         if ($state eq 'pick_group') {
  992:             &display_groups($r,$cdom,$cnum,$functions,$idx,$view_permission,
  993: 			    $manage_permission,$action,$state,$gpterm,
  994: 			    $ucgpterm,$crstype);
  995:         } elsif ($state eq 'pick_task') {
  996:             &modify_menu($r,$groupname,$page,$gpterm);
  997:         } elsif ($state eq 'change_settings') {
  998:             &general_settings_form($r,$cdom,$cnum,$action,$state,$page,
  999:                                    $functions,$tools,$toolprivs,$fixedprivs,
 1000:                                    $sectioncount,$stored,$states,$navbuttons,
 1001:                                    $gpterm,$ucgpterm,$crstype);
 1002:         } elsif ($state eq 'change_members') {
 1003:             &change_members_form($r,$cdom,$cnum,$action,$state,$page,
 1004:                                  $groupname,$description,$startdate,$enddate,
 1005:                                  $tools,$fixedprivs,$functions,$users,
 1006:                                  $userdata,$granularity,$quota,$specificity,
 1007:                                  $idx,$states,$navbuttons,$gpterm,$ucgpterm);
 1008:         } elsif ($state eq 'add_members') {
 1009:             &add_members_form($r,$action,$state,$page,$startdate,
 1010:                               $enddate,$groupname,$description,$granularity,
 1011:                               $quota,$sectioncount,$tools,$functions,$stored,
 1012:                               $states,$navbuttons,$gpterm,$ucgpterm);
 1013:         } elsif ($state eq 'pick_members') {
 1014:             &choose_members_form($r,$cdom,$cnum,$action,$state,$page,
 1015:                                  $groupname,$description,$granularity,$quota,
 1016:                                  $startdate,$enddate,$tools,$fixedprivs,
 1017:                                  $toolprivs,$functions,$users,$userdata,$idx,
 1018:                                  $stored,$states,$navbuttons,$gpterm,$ucgpterm,
 1019: 				 $crstype);
 1020:         } elsif ($state eq 'pick_privs') {
 1021:             &choose_privs_form($r,$cdom,$cnum,$action,$state,$page,
 1022:                                $startdate,$enddate,$tools,$functions,
 1023:                                $toolprivs,$fixedprivs,$userdata,$usertools,
 1024:                                $idx,$states,$stored,$sectioncount,$navbuttons,
 1025:                                $gpterm,$ucgpterm,$crstype);
 1026:         } elsif ($state eq 'change_privs') {
 1027:             &change_privs_form($r,$cdom,$cnum,$action,$state,$page,
 1028:                                $startdate,$enddate,$tools,$functions,
 1029:                                $toolprivs,$fixedprivs,$userdata,$usertools,
 1030:                                $memchg,$idx,$states,$stored,$sectioncount,
 1031:                                $navbuttons,$gpterm,$ucgpterm);
 1032:         } elsif ($state eq 'chgresult' || $state eq 'memresult' || 
 1033:                  $state eq 'addresult') {
 1034:             &process_request($r,$cdom,$cnum,$action,$state,$page,
 1035:                              $groupname,$description,$specificity,$userdata,
 1036:                              $startdate,$enddate,$tools,$functions,
 1037:                              $toolprivs,$usertools,$idx,$types,$roles,
 1038:                              $sections,$states,$navbuttons,$memchg,
 1039:                              $sectioncount,$stored,$gpterm,$ucgpterm,$crstype);
 1040:         }
 1041:     }
 1042: }
 1043: 
 1044: sub header {
 1045:     my ($bodytitle,$jscript,$action,$state,$page,$loaditems) = @_;
 1046:     my $start_page=
 1047: 	&Apache::loncommon::start_page($bodytitle,
 1048: 				       '<script type="text/javascript">'.
 1049: 				       $jscript.'</script>',
 1050: 				       {'add_entries' => $loaditems,});
 1051:     my $output = <<"END";
 1052: $start_page
 1053: <form method="POST" name="$state">
 1054: 
 1055: END
 1056:     if ($action eq 'create' || $action eq 'modify') {
 1057:         $output .= <<"END";
 1058:  <input type="hidden" name="action" value="$action" />
 1059:  <input type="hidden" name="state" value="" />
 1060:  <input type="hidden" name="origin" value="$state" />
 1061:  <input type="hidden" name="page" value="$page" />
 1062: END
 1063:     }
 1064:     return $output;
 1065: }
 1066: 
 1067: sub onload_action {
 1068:     my ($action,$state) = @_;
 1069:     my %loaditems;
 1070:     if ((defined($env{'form.origin'})) && ($action eq 'create') &&
 1071:                 ($state eq 'pick_name' || $state eq 'pick_members' || 
 1072:                  $state eq 'pick_privs')) {
 1073:         unless ($env{'form.origin'} eq '') {
 1074: 	    $loaditems{'onload'} = 
 1075: 		'javascript:setFormElements(document.'.$state.')';
 1076:         }
 1077:     }
 1078:     if (($action eq 'modify') &&
 1079:                 ($state eq 'change_settings' || $state eq 'change_members' ||
 1080:                  $state eq 'change_privs' || $state eq 'add_members' ||
 1081:                  $state eq 'pick_members')) {
 1082: 	$loaditems{'onload'} = 
 1083: 	    'javascript:setFormElements(document.'.$state.')';
 1084:     }
 1085:     return \%loaditems;
 1086: }
 1087: 
 1088: sub footer {
 1089:     my $end_page = &Apache::loncommon::end_page();
 1090:        return(<<ENDFOOT);
 1091:    <input type="hidden" name="sortby" value="$env{'form.sortby'}" />
 1092:   </form>
 1093: $end_page
 1094: ENDFOOT
 1095: }
 1096: 
 1097: sub build_members_list {
 1098:     my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
 1099:     my %access = ();
 1100:     foreach my $role (@{$roles}) {
 1101:         %{$$users{$role}} = ();
 1102:     }
 1103:     foreach my $type (@{$types}) {
 1104:         $access{$type} = $type;
 1105:     }
 1106:     &Apache::loncommon::get_course_users($cdom,$cnum,\%access,$roles,
 1107:                                          $sections,$users,$userdata);
 1108:     return;
 1109: }
 1110: 
 1111: sub group_files {
 1112:     my ($group,$currdir,$numfiles,$numdirs) = @_;
 1113:     my $dirptr=16384;
 1114:     my @dir_list=&Apache::portfolio::get_dir_list($currdir,$group);
 1115:     foreach my $line (@dir_list) {
 1116:         my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
 1117:         if (($filename !~ /^\.\.?$/) && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/) && ($filename ne 'no_such_dir')) { 
 1118:             if ($dirptr&$testdir) {
 1119:                 $currdir .= '/'.$filename;
 1120:                 $$numdirs ++;
 1121:                 &group_files($numfiles,$numdirs)
 1122:             } else {
 1123:                 $$numfiles ++;
 1124:             }
 1125:         }
 1126:     }
 1127:     return;
 1128: }
 1129: 
 1130: sub group_members {
 1131:     my ($cdom,$cnum,$group,$group_info) = @_;
 1132:     my %memberhash = &Apache::lonnet::get_group_membership($cdom,$cnum,$group);
 1133:     my $now = time;
 1134:     my ($tmp)=keys(%memberhash);
 1135:     if ($tmp=~/^error:/) {
 1136:         $$group_info{'totalmembers'} = 'Unknown - an error occurred';
 1137:         return $tmp;
 1138:     }
 1139:     my $totalmembers = 0;
 1140:     my $active = 0;
 1141:     my $previous = 0;
 1142:     my $future = 0;
 1143:     foreach my $member (keys %memberhash) {
 1144:         $totalmembers ++;
 1145:         my ($end,$start) = split(/:/,$memberhash{$member});
 1146:         unless ($start == -1) {
 1147:             if (($end!=0) && ($end<$now)) {
 1148:                 $previous ++;
 1149:             } elsif (($start!=0) && ($start>$now)) {
 1150:                 $future ++;
 1151:             } else {
 1152:                $active ++;
 1153:             }
 1154:         }
 1155:     }
 1156:     if ($totalmembers == 0) {
 1157:         $$group_info{$group}{'totalmembers'} = 'None';
 1158:     } else {
 1159:         $$group_info{$group}{'totalmembers'} = '<nobr>'.$active.
 1160:             '&nbsp;-&nbsp;active</nobr><br /><nobr>'.$previous.
 1161:             '&nbsp;-&nbsp;previous</nobr><br /><nobr>'.$future.
 1162:             '&nbsp;-&nbsp;future</nobr>';
 1163:     }
 1164:     return 'ok';
 1165: }
 1166: 
 1167: 
 1168: sub general_settings_form {
 1169:     my ($r,$cdom,$cnum,$action,$formname,$page,$functions,$tools,
 1170:         $toolprivs,$fixedprivs,$sectioncount,$stored,$states,$navbuttons,
 1171:         $gpterm,$ucgpterm,$crstype) = @_;
 1172:     my ($nexttext,$prevtext);
 1173:     &groupsettings_options($r,$functions,$action,$formname,$stored,1,
 1174:                            $gpterm,$ucgpterm,$crstype);
 1175:     &access_date_settings($r,$action,$formname,$stored,2,$gpterm,$ucgpterm);
 1176:     if ($action eq 'create') {
 1177:         &membership_options($r,$action,$formname,$sectioncount,3,$gpterm,
 1178: 			    $ucgpterm);
 1179:         $nexttext = $$navbuttons{'gtns'};
 1180:     } else {
 1181:         my @available = ();
 1182:         my @unavailable = ();
 1183:         &check_tools($functions,$tools,\@available,\@unavailable);
 1184:         @{$tools} = sort(keys(%{$functions}));
 1185:         &privilege_specificity($r,$action,3,$tools,$stored,$toolprivs,
 1186: 			       $fixedprivs,\@available,$formname,
 1187: 			       $gpterm,$ucgpterm);
 1188:         &mapping_options($r,$action,$formname,$page,$sectioncount,
 1189:                          $states,$stored,$navbuttons,4,5,
 1190: 			 $gpterm,$ucgpterm,$crstype);
 1191:         $nexttext = $$navbuttons{'mose'};
 1192:     }
 1193:     $prevtext = $$navbuttons{'gtpp'};
 1194:     &display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
 1195:                         $$states{$action}[$page+1],$nexttext);
 1196:     return;
 1197: }
 1198: 
 1199: sub groupsettings_options {
 1200:     my ($r,$functions,$action,$formname,$stored,$image,$gpterm,
 1201:         $ucgpterm,$crstype) = @_;
 1202:     my %lt = &Apache::lonlocal::texthash(
 1203:         'gdat' => "$ucgpterm open and close dates",
 1204:         'sten' => "Set a start date/time and end date/time for the $gpterm",
 1205:         'gfun' => "$ucgpterm functionality",
 1206:         'gnde' => "$ucgpterm name, description and available functionality",
 1207:         'desc' => 'Description',
 1208:         'func' => 'Functionality',
 1209:         'gnam' => "$ucgpterm Name",
 1210:         'doyo' => "Do you want to assign different functionality ".
 1211:                   "to different $gpterm members?",
 1212:     );
 1213:     my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,$stored);
 1214:     &topic_bar($r,$image,$lt{'gnde'});
 1215:     $r->print('
 1216:      <table class="LC_descriptive_input">
 1217:       <tr>
 1218:        <td class="LC_description">'.$lt{'gnam'}.':</td>
 1219:        <td colspan="5">
 1220: ');
 1221:     if ($action eq 'create') {
 1222:         $r->print('<input type="text" name="groupname" size="25" />');
 1223:     } else {
 1224:         $r->print('<input type="hidden" name="groupname" value="'.
 1225:                          $env{'form.groupname'}.'" />'.$env{'form.groupname'});
 1226:     }
 1227:     $r->print(<<"END");
 1228:        </td>
 1229:       <tr>
 1230:       <tr>
 1231:        <td class="LC_description">$lt{'desc'}:</td>
 1232:        <td colspan="5"><input type="text" name="description" size="40"
 1233:                                                     value="" />
 1234:        </td>
 1235:       <tr>
 1236:       <tr>
 1237:        <td class="LC_description">$lt{'func'}:</td>
 1238: END
 1239:     my $numitems = keys(%{$functions});
 1240:     my $halfnum = int($numitems/2);
 1241:     my $remnum = $numitems%2;
 1242:     if ($remnum) {
 1243:         $halfnum ++;
 1244:     }
 1245:     my @allfunctions = sort(keys (%{$functions}));
 1246:     for (my $i=0; $i<$halfnum; $i++) {
 1247:         $r->print('<td><label><input type="checkbox" name="tool" value="'.
 1248:                   $allfunctions[$i].'" />&nbsp;'.
 1249:                    $$functions{$allfunctions[$i]}.'</label></td>
 1250:                    <td>&nbsp;</td><td>&nbsp;</td>');
 1251:     }
 1252:     $r->print('<td><input type="button" value="check all" '.
 1253:               'onclick="javascript:checkAll(document.'.$formname.'.tool)" />'.
 1254:               '</td></tr><tr><td>&nbsp;</td>');
 1255:     for (my $j=$halfnum; $j<@allfunctions; $j++) {
 1256:         $r->print('<td><label><input type="checkbox" name="tool" value="'.
 1257:                   $allfunctions[$j].'" />&nbsp;'.
 1258:                   $$functions{$allfunctions[$j]}.'</label></td>
 1259:                   <td>&nbsp;</td><td>&nbsp;</td>');
 1260:     }
 1261:     if ($remnum) {
 1262:         $r->print('<td>&nbsp;</td>');
 1263:     }
 1264:     $r->print('
 1265:        <td>
 1266:         <input type="button" value="uncheck all"
 1267:           onclick="javascript:uncheckAll(document.'.$formname.'.tool)" />
 1268:        </td>
 1269:       </tr>
 1270:       <tr>
 1271:        <td class="LC_description">'.&mt('Granularity:').'</td>
 1272:        <td colspan="10">'.$lt{'doyo'}.'&nbsp;<label><input type="radio" name="granularity" value="Yes" />'.&mt('Yes').'</label>&nbsp;<label><input type="radio" name="granularity" value="No" checked="checked" />'.&mt('No').'</label>');
 1273:     if ($action eq 'modify') {
 1274:         $r->print('&nbsp;&nbsp;('.&mt('Currently set to "[_1]"',
 1275:                                       $$stored{'granularity'}).')');
 1276:     }
 1277:     $r->print('
 1278:        </td>
 1279:       </tr>
 1280:       <tr>
 1281:        <td class="LC_description">'.&mt('Disk quota: ').'</td><td colspan="10">');
 1282:     if ($action eq 'create') {
 1283:         $r->print(&mt('If you enable the file repository for the [_1], allocate a disk quota.',$gpterm));
 1284:     } else {
 1285:         $r->print(&mt('Quota allocated to file repository:'));
 1286:     } 
 1287:     $r->print('&nbsp;<input type="text" name="quota" size="4" />Mb');
 1288:     if ($action eq 'create') {
 1289:         $r->print('<br />'.
 1290:                   &mt('A total of [_1] Mb can be divided amongst all [_2]s in the '.
 1291:                   '[_3], and [_4] Mb are currently unallocated.',$crsquota,
 1292:                   $gpterm,lc($crstype),$freespace));
 1293:     } else {
 1294:         $r->print('&nbsp;&nbsp;('.&mt('The quota is currently [_1] Mb',
 1295:                                       $$stored{'quota'}).').');
 1296: 
 1297:         $r->print('<br />'.&mt('The quota can be increased to [_1] Mb, '.
 1298:                   'by adding all unallocated space for [_2]s in the [_3].',
 1299:                   $maxposs,$gpterm,lc($crstype)));
 1300:     }
 1301:     $r->print('
 1302:        </td>
 1303:       </tr>
 1304:      </table>
 1305: ');
 1306:     return;
 1307: }
 1308: 
 1309: sub get_quota_constraints {
 1310:     my ($action,$stored) = @_;
 1311:     my ($crsquota,$freespace,$maxposs); 
 1312:     $crsquota = $env{'course.'.$env{'request.course.id'}.'.internal.coursequota'};
 1313:     if ($crsquota eq '') {
 1314:         $crsquota = 20;
 1315:     }
 1316:     $freespace = $crsquota - &Apache::longroup::sum_quotas();
 1317:     if ($action eq 'create') {
 1318:         $maxposs = $freespace;
 1319:     } else {
 1320:         $maxposs = $$stored{'quota'} + $freespace;
 1321:     }
 1322:     return ($crsquota,$freespace,$maxposs);
 1323: }
 1324: 
 1325: sub membership_options {
 1326:     my ($r,$action,$state,$sectioncount,$image,$gpterm,$ucgpterm) = @_;
 1327:     my $crstype = &Apache::loncommon::course_type();
 1328:     my %lt = &Apache::lonlocal::texthash(
 1329:                 'pipa' => 'Pick parameters to generate membership list',
 1330:                 'gmem' => "$ucgpterm membership options",
 1331:                 'picr' => 'Pick the criteria to use to build a list of '.
 1332:                           lc($crstype).' users from which you will select ',
 1333:                 'meof' => "members of the new $gpterm.",
 1334:                 'admg' => "additional members of the $gpterm.",
 1335:                 'ifno' => "If you do not wish to add members when you first ".
 1336:                           "create the $gpterm, do not make any selections.",
 1337:                 'asub' => "A subsequent step will also allow you to specify automatic adding/dropping of $gpterm members triggered by specified role and section changes.",
 1338:                 'acty' => 'Access types',
 1339:                 'coro' => $crstype.' roles',
 1340:                 'cose' => $crstype.' sections',
 1341:              );
 1342:     my %status_types = (
 1343:                    active => &mt('Currently has access'),
 1344:                    previous => &mt('Previously had access'),
 1345:                    future => &mt('Will have future access'),
 1346:                    );
 1347: 
 1348:     #FIXME need to plumb around for the various cr roles defined by the user
 1349:     my @roles = ('st','cc','in','ta','ep');
 1350: 
 1351:     my @sections = keys(%{$sectioncount});
 1352: 
 1353:     &topic_bar($r,$image,$lt{'pipa'});
 1354:     $r->print('
 1355:      <b>'.$lt{'gmem'}.'</b><br />'.$lt{'picr'});
 1356:     if ($action eq 'create') {
 1357:         $r->print($lt{'meof'}.'<br />'.$lt{'ifno'}.'<br />'.$lt{'asub'});
 1358:     } else {
 1359:         $r->print($lt{'admg'});
 1360:     }
 1361:     $r->print('
 1362:      <br />
 1363:      <br />
 1364:      <table class="LC_status_selector">
 1365:       <tr>
 1366:        <th>'.$lt{'acty'}.'</th>
 1367:        <th>'.$lt{'coro'}.'</th>');
 1368:     if (@sections >0) {
 1369:         $r->print('
 1370:        <th>'.$lt{'cose'}.'</th>');
 1371:     }
 1372:     $r->print('</tr><tr><td>');
 1373:     $r->print(&Apache::lonhtmlcommon::status_select_row(\%status_types));
 1374:     $r->print('</td><td>');
 1375:     $r->print(&Apache::lonhtmlcommon::role_select_row(\@roles));
 1376:     if (@sections > 0) {
 1377:         @sections = sort {$a cmp $b} @sections;
 1378:         unshift(@sections,'none'); # Put 'no sections' next
 1379:         unshift(@sections,'all'); # Put 'all' at the front of the list
 1380:         $r->print('</td><td>'.
 1381:         &sections_selection(\@sections,'sectionpick').'</td>');
 1382:     }
 1383:     $r->print('
 1384:       </tr>
 1385:      </table>');
 1386:     return;
 1387: }
 1388: 
 1389: sub sections_selection {
 1390:     my ($sections,$elementname) = @_;
 1391:     my $section_sel;
 1392:     my $numvisible = 4;
 1393:     if (@{$sections} < 4) {
 1394:         $numvisible = @{$sections};
 1395:     }
 1396:     foreach my $sec (@{$sections}) {
 1397:         if ($sec eq 'all') {
 1398:             $section_sel .= '  <option value="'.$sec.'" selected="selected">'.&mt('all sections').'</option>'."\n";
 1399:         } elsif ($sec eq 'none') {
 1400:             $section_sel .= '  <option value="'.$sec.'">'.&mt('no section').'</option>'."\n"; 
 1401:         } else {
 1402:             $section_sel .= '  <option value="'.$sec.'">'.$sec."</option>\n";
 1403:         }
 1404:     }
 1405:     my $output = '
 1406:         <select name="'.$elementname.'" multiple="true" size="'.$numvisible.'">
 1407:           '.$section_sel.'
 1408:         </select>';
 1409:     return $output;
 1410: }
 1411: 
 1412: sub access_date_settings {
 1413:     my ($r,$action,$formname,$stored,$image,$gpterm,$ucgpterm) = @_;
 1414:     my %lt = &Apache::lonlocal::texthash(
 1415:                 'sten' => "Default start and end dates for $gpterm access",
 1416:              );
 1417:     my $starttime = time;
 1418:     my $endtime = time+(6*30*24*60*60); # 6 months from now, approx
 1419:     if ($action eq 'modify') {
 1420:         $starttime = $$stored{'startdate'};
 1421:         unless ($$stored{'enddate'} == 0) {
 1422:             $endtime = $$stored{'enddate'};
 1423:         }
 1424:     }
 1425:     my ($table) = &date_setting_table($starttime,$endtime,$formname);
 1426:     &topic_bar($r,$image,$lt{'sten'});
 1427:     $r->print('
 1428:     '.$table.'
 1429:     ');
 1430:     return;
 1431: }
 1432: 
 1433: sub choose_members_form {
 1434:     my ($r,$cdom,$cnum,$action,$formname,$page,$groupname,$description,
 1435:         $granularity,$quota,$startdate,$enddate,$tools,$fixedprivs,$toolprivs,
 1436:         $functions,$users,$userdata,$idx,$stored,$states,$navbuttons,
 1437:         $gpterm,$ucgpterm,$crstype) = @_;
 1438:     my @regexps = ('user_','userpriv_','sec_');
 1439:     my %origmembers;
 1440:     $r->print(&Apache::lonhtmlcommon::echo_form_input(
 1441:          ['origin','action','state','page','member','specificity','branch',
 1442:           'defpriv','autorole','autoadd','autodrop','sortby','togglefunc'],
 1443:          \@regexps));
 1444:     my $earlyout = &validate_groupname($groupname,$action,$cdom,$cnum,$gpterm,
 1445:                                        $ucgpterm,$crstype);
 1446:     if ($earlyout) {
 1447: 	$r->print($earlyout);
 1448:         &display_navbuttons($r,$formname,$$states{$action}[$page-1],
 1449:                            $$navbuttons{'gtps'});
 1450:         return;
 1451:     } 
 1452:     my ($specimg,$memimg);
 1453:     my @available = ();
 1454:     my @unavailable = ();
 1455:     &check_tools($functions,$tools,\@available,\@unavailable);
 1456:     if ($action eq 'create') {
 1457:         &print_current_settings($r,$action,$functions,$startdate,$enddate,
 1458: 				$groupname,$description,$granularity,$quota,
 1459: 				\@available,\@unavailable,$gpterm,$ucgpterm);
 1460:         $specimg = 4;
 1461:         $memimg = 5;
 1462:     } else {
 1463:         $specimg = 2;
 1464:         $memimg = 3;
 1465:         my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
 1466:                                                                $groupname);
 1467:         foreach my $key (sort(keys(%membership))) {
 1468:             if ($key =~ /^\Q$groupname\E:([^:]+):([^:]+)$/) {
 1469:                 my ($end,$start,@userprivs) = split(/:/,$membership{$key});
 1470:                 unless ($start == -1) {  
 1471:                     my $uname = $1;
 1472:                     my $udom = $2;
 1473:                     my $user = $uname.':'.$udom;
 1474:                     $origmembers{$user} = 1; 
 1475:                 }
 1476:             }
 1477:         }
 1478:     }
 1479:     &privilege_specificity($r,$action,$specimg,$tools,$stored,$toolprivs,
 1480:                           $fixedprivs,\@available,$formname,$gpterm,$ucgpterm);
 1481:     my $newusers = &pick_new_members($r,$action,$formname,\@available,$idx,
 1482: 				     $stored,$memimg,$users,$userdata,
 1483: 				     $granularity,\%origmembers,$gpterm,
 1484: 				     $ucgpterm);
 1485:     if ($newusers || $action eq 'create') {
 1486:         &display_navbuttons($r,$formname,$$states{$action}[$page-1],
 1487:                             $$navbuttons{'gtps'},$$states{$action}[$page+1],
 1488:                             $$navbuttons{'gtns'});
 1489:     } else {
 1490:         &display_navbuttons($r,$formname,$$states{$action}[$page-1],
 1491:                             $$navbuttons{'gtps'});
 1492:     }
 1493:     return;
 1494: }
 1495: 
 1496: sub display_navbuttons {
 1497:     my ($r,$formname,$prev,$prevtext,$next,$nexttext) = @_;
 1498:     $r->print('<div class="LC_navbuttons">');
 1499:     if ($prev) {
 1500:         $r->print('
 1501:       <input type="button" name="previous" value = "'.$prevtext.'"
 1502:     onclick="javascript:backPage(document.'.$formname.','."'".$prev."'".')"/>
 1503:    &nbsp;&nbsp;&nbsp;');
 1504:     }
 1505:     if ($next) {
 1506:         $r->print('
 1507:       <input type="button" name="next" value="'.$nexttext.'"
 1508:  onclick="javascript:nextPage(document.'.$formname.','."'".$next."'".')" />');
 1509:     }
 1510:     $r->print('</div>');
 1511: }
 1512: 
 1513: sub check_tools {
 1514:     my ($functions,$tools,$available,$unavailable) = @_;
 1515:     foreach my $item (sort(keys(%{$functions}))) {
 1516:         if (grep/^$item$/,@{$tools}) {
 1517:             push(@{$available},$item);
 1518:         } else {
 1519:             push(@{$unavailable},$item);
 1520:         }
 1521:     }
 1522:     return;
 1523: }
 1524: 
 1525: sub print_current_settings {
 1526:     my ($r,$action,$functions,$startdate,$enddate,$groupname,$description,
 1527: 	$granularity,$quota,$available,$unavailable,$gpterm,$ucgpterm) = @_;
 1528: 
 1529:     my %lt = &Apache::lonlocal::texthash(
 1530:         grna => "$ucgpterm Name",
 1531:         desc => 'Description',
 1532:         grfn => "$ucgpterm Functions",
 1533:         gran => 'Granularity',
 1534:         quot => 'File quota',
 1535:         dfac => 'Default access dates',
 1536:         ygrs => "Your $gpterm selections",
 1537:         tfwa => "The following settings will apply to the $gpterm:",
 1538:         difn => 'Different functionality<br />for different members:',
 1539:         stda => 'Start date',
 1540:         enda => 'End date:',
 1541:     );
 1542:     my $showstart = &Apache::lonlocal::locallocaltime($startdate);
 1543:     my $showend;
 1544:     if ($enddate == 0) {
 1545:         $showend = &mt('No end date set'); 
 1546:     } else {
 1547:         $showend = &Apache::lonlocal::locallocaltime($enddate);
 1548:     }
 1549:     if ($action eq 'create') {
 1550:         $r->print('
 1551: <div><span style="font-size: larger">'.$lt{'ygrs'}.'</span>
 1552: <br />'.$lt{'tfwa'}.'
 1553: </div>');
 1554:     }
 1555:     $r->print(&Apache::loncommon::start_data_table('LC_course_group_status').
 1556: 	      &Apache::loncommon::start_data_table_header_row());
 1557:     $r->print('
 1558:   <th>'.$lt{'grna'}.'</th>
 1559:   <th>'.$lt{'desc'}.'</th>
 1560:   <th>'.$lt{'grfn'}.'</th>
 1561:   <th>'.$lt{'gran'}.'</th>
 1562:   <th>'.$lt{'quot'}.'</th>
 1563:   <th>'.$lt{'dfac'}.'</th>
 1564: ');
 1565:     $r->print(&Apache::loncommon::end_data_table_header_row().
 1566: 	      &Apache::loncommon::start_data_table_row('LC_data_table_dense'));
 1567:     $r->print('
 1568:   <td valign="top">'.$groupname.'</td>
 1569:   <td valign="top">'.$description.'</td>
 1570:   <td>
 1571: ');
 1572:     if (@{$available} > 0) {
 1573:         $r->print('<b>Available:</b>
 1574:                     <table class="LC_group_priv"><tr>');
 1575:         my $rowcell = int(@{$available}/2) + @{$available}%2;
 1576:         for (my $i=0; $i<@{$available}; $i++) {
 1577:             if (@{$available} > 3) {
 1578:                 if ($i==$rowcell) {
 1579:                     $r->print('</tr><tr>');
 1580:                 }
 1581:             }
 1582:             $r->print('<td>'.$$functions{$$available[$i]}.
 1583: 		      '</td><td>&nbsp;</td>');
 1584:         }
 1585:         if ((@{$available} > 3) && (@{$available}%2)) {
 1586:             $r->print('<td>&nbsp;</td><td>&nbsp;</td>');
 1587:         }
 1588:         $r->print('</tr></table><br />');
 1589:     }
 1590:     if (@{$unavailable} > 0) {
 1591:         $r->print('<b>Unavailable:</b>
 1592:                     <table class="LC_group_priv"><tr>');
 1593:         my $rowcell = int(@{$unavailable}/2) + @{$unavailable}%2;
 1594:         for (my $j=0; $j<@{$unavailable}; $j++) {
 1595:             if (@{$unavailable} > 3) {
 1596:                 if ($j==$rowcell) {
 1597:                     $r->print('</tr><tr>');
 1598:                 }
 1599:             }
 1600:             $r->print('<td>'.$$functions{$$unavailable[$j]}.
 1601: 		      '</td><td>&nbsp;</td>');
 1602:         }
 1603:         if ((@{$unavailable} > 3) && (@{$unavailable}%2)) {
 1604:             $r->print('<td>&nbsp;</td><td>&nbsp;</td>');
 1605:         }
 1606:         $r->print('</tr></table>');
 1607:     }
 1608:     $r->print(<<"END");
 1609:   </td>
 1610:   <td valign="top"><b>$lt{'difn'}</b> $granularity</td>
 1611:   <td valign="top">$quota Mb</td> 
 1612:   <td valign="top"><b>$lt{'stda'}</b> $showstart<br />
 1613:       <b>$lt{'enda'}</b> $showend
 1614:   </td>
 1615: END
 1616:     $r->print(&Apache::loncommon::end_data_table_row().
 1617: 	      &Apache::loncommon::end_data_table());
 1618:     return;
 1619: }
 1620: 
 1621: sub pick_new_members {
 1622:     my ($r,$action,$formname,$available,$idx,$stored,$img,$users,$userdata,
 1623: 	$granularity,$origmembers,$gpterm,$ucgpterm) = @_;
 1624:     my %lt = &Apache::lonlocal::texthash(
 1625:           'gpme' => "$ucgpterm membership",
 1626:           'addm' => 'Add members',
 1627:           'setf' => 'Set functionality',
 1628:           'func' => 'Functionality',
 1629:           'nome' => 'No members to add at this time.',
 1630:           'nnew' => "There are no users to add as new members, as all users".
 1631:                     " matching the specified type(s), role(s), and/or ".
 1632:                     "section(s) are already affiliated with this $gpterm.",
 1633:           'yoma' =>  'You may need to use the '."'".'modify existing, past or '.
 1634:                      'future members'."'".' page if you need to re-enable '.
 1635:                      'or activate access for previous or future members.',
 1636:     );
 1637:     my %members;
 1638:     my $totalusers = 0;
 1639:     my $newusers = 0;
 1640:     foreach my $role (keys(%{$users})) {
 1641:         foreach my $user (keys(%{$$users{$role}})) {
 1642:             $totalusers ++;
 1643:             if (ref($origmembers) eq 'HASH') {
 1644:                 if (exists($$origmembers{$user})) {
 1645:                     next;
 1646:                 }
 1647:             }    
 1648:             unless (defined($members{$user})) {
 1649:                 @{$members{$user}} = @{$$userdata{$user}};
 1650:                 $newusers ++;
 1651:             }
 1652:         }
 1653:     }
 1654:     if (keys(%members) > 0) {
 1655:         if (@{$available} > 0 && $granularity eq 'Yes') {
 1656:             $r->print(&check_uncheck_tools($r,$available));
 1657:         }
 1658:     }
 1659:     &topic_bar($r,$img,$lt{'gpme'});
 1660:     if (keys(%members) > 0) {
 1661:         $r->print('
 1662:     <table>
 1663:      <tr>');
 1664:         &check_uncheck_buttons($r,$formname,'member',$lt{'addm'});
 1665:         if (@{$available} > 0 && $granularity eq 'Yes') {
 1666:             $r->print('<td>
 1667:      <fieldset><legend><b>'.$lt{'setf'}.'</b></legend>
 1668:       <nobr>
 1669:       <input type="button" value="check all"
 1670:         onclick="javascript:checkAllTools(document.'.$formname.')" />
 1671:         &nbsp;&nbsp;
 1672:       <input type="button" value="uncheck all"
 1673:         onclick="javascript:uncheckAllTools(document.'.$formname.')" />
 1674:       </nobr>
 1675:      </fieldset></td>');
 1676:         }
 1677:         $r->print('</tr></table>
 1678:         ');
 1679:         $r->print(&Apache::loncommon::start_data_table().
 1680: 		  &Apache::loncommon::start_data_table_header_row());
 1681:         $r->print('
 1682:      <th>'.&mt('Add?').'</b></td>
 1683:      <th><a href="javascript:changeSort('."'fullname'".')">'.&mt('Name').'</a></td>
 1684:      <th><a href="javascript:changeSort('."'username'".')">'.&mt('Username').'</a></td>
 1685:      <th><a href="javascript:changeSort('."'domain'".')">'.&mt('Domain').'</a></td>
 1686:      <th><a href="javascript:changeSort('."'id'".')">'.&mt('ID').'</a></td>
 1687:      <th><a href="javascript:changeSort('."'section'".')">'.&mt('Section').'</a></td>
 1688: ');
 1689:         if (@{$available} > 0) {
 1690:             $r->print('<th>'.$lt{'func'}.'</th>');
 1691:         }
 1692:         $r->print(&Apache::loncommon::end_data_table_header_row());
 1693:         if (@{$available} > 0) {
 1694:             if ($granularity eq 'Yes') {
 1695:                 $r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense LC_data_table_highlight').'
 1696:  <td colspan="6">&nbsp;</td>
 1697:  <td align="center"><nobr><b>'.&mt('All:').'</b>&nbsp;');
 1698:                 foreach my $tool (@{$available}) {
 1699:                     $r->print('<label><input type="checkbox" name="togglefunc" '.
 1700:    'onclick="javascript:toggleTools(document.'.$formname.'.user_'.$tool.',this);"'.
 1701:    ' value="'.$tool.'">'.'<b>'.$tool.'</b></label>&nbsp;&nbsp;&nbsp;');
 1702:                 }
 1703:                 $r->print('</nobr></td></tr>');
 1704:             }
 1705:         }
 1706:         my %Sortby = ();
 1707:         foreach my $user (sort(keys(%members))) {
 1708:             if ($env{'form.sortby'} eq 'fullname') {
 1709:                 push(@{$Sortby{$members{$user}[$$idx{fullname}]}},$user);
 1710:             } elsif ($env{'form.sortby'} eq 'username') {
 1711:                 push(@{$Sortby{$members{$user}[$$idx{uname}]}},$user);
 1712:             } elsif ($env{'form.sortby'} eq 'domain') {
 1713:                 push(@{$Sortby{$members{$user}[$$idx{udom}]}},$user);
 1714:             } elsif ($env{'form.sortby'} eq 'id') {
 1715:                 push(@{$Sortby{$members{$user}[$$idx{id}]}},$user);
 1716:             } elsif ($env{'form.sortby'} eq 'section') {
 1717:                 push(@{$Sortby{$members{$user}[$$idx{section}]}},$user);
 1718:             } else {
 1719:                 push(@{$Sortby{$members{$user}[$$idx{fullname}]}},$user);
 1720:             }
 1721:         }
 1722:         foreach my $key (sort(keys(%Sortby))) {
 1723:             foreach my $user (@{$Sortby{$key}}) {
 1724:                 my $id = $members{$user}[$$idx{id}];
 1725:                 my $fullname = $members{$user}[$$idx{fullname}];
 1726:                 my $udom = $members{$user}[$$idx{udom}];
 1727:                 my $uname = $members{$user}[$$idx{uname}];
 1728:                 my $section = $members{$user}[$$idx{section}];
 1729:                 $r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense').
 1730: 			  '<td align="right"><input type="checkbox" name="member" value="'.$user.'" /></td>'.
 1731: 			  '<td>'.$fullname.'</td>'.
 1732: 			  '<td>'.$uname.'</td>'.
 1733: 			  '<td>'.$udom.'</td>'.
 1734: 			  '<td>'.$id.'</td>'.
 1735: 			  '<td>'.$section.'</td>');
 1736:                 if (@{$available} > 0) {
 1737:                     $r->print('<td align="center"><nobr>'.
 1738:                               '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;');
 1739:                     foreach my $tool (@{$available}) {
 1740:                         if ($granularity eq 'Yes') {
 1741:                             $r->print('<input type="checkbox" name="user_'.
 1742:                           $tool.'" value="'.$user.'" />'.$tool.'&nbsp;&nbsp;&nbsp;');
 1743:                         } else {
 1744:                             $r->print('<input type="hidden" name="user_'.
 1745:                           $tool.'" value="'.$user.'" />'.$tool.'&nbsp;&nbsp;&nbsp;');
 1746:                         }
 1747:                     }
 1748:                     $r->print('</nobr></td>');
 1749:                 }
 1750:                 $r->print(&Apache::loncommon::end_data_table_row()."\n");
 1751:             }
 1752:         }
 1753:         $r->print(&Apache::loncommon::end_data_table());
 1754:     } else {
 1755:         if ($totalusers > 0) {
 1756:             $r->print($lt{'nnew'}.'<br /><br />'.$lt{'yoma'});
 1757:         } else { 
 1758:             $r->print($lt{'nome'});
 1759:         }
 1760:     }
 1761:     return $newusers;
 1762: }
 1763: 
 1764: sub privilege_specificity {
 1765:     my ($r,$action,$img,$tools,$stored,$toolprivs,$fixedprivs,$available,
 1766: 	$formname,$gpterm,$ucgpterm) = @_;
 1767:     my %lt = &Apache::lonlocal::texthash (
 1768:       'uprv' => 'User privileges',
 1769:       'frty' => 'For each type of functionality you have chosen to include, '.
 1770:                 'there is a set of standard privileges which apply to all '.
 1771:                 'of those for whom the functionality is enabled.',
 1772:       'thar' => 'There are also additional privileges which can be set for '.
 1773:                 'some, or all, members. Please choose one of the following:',
 1774:       'fort' => 'For the types of functionality you have chosen to include '.
 1775:                 'there are no additional privileges which can be set for some '.
 1776:                 'or all members.',
 1777:       'eaty' => 'Each of the types of functionality includes standard '.
 1778:                 'privileges which apply to members with access to that '.
 1779:                 'functionality, and may also include additional privileges '.
 1780:                 'which can be set for specific members.',
 1781:       'cutg' => "Currently the $gpterm is configured ",
 1782:       'sdif' => "so different $gpterm members can receive different privileges.",
 1783:       'sall' => "so all $gpterm members will receive the same privileges.",
 1784:       'algm' => "All $gpterm members will receive the same privileges.",
 1785:       'smgp' => "Some $gpterm members will receive different privileges from ".
 1786:                 "others.",
 1787:       'thwi' => "These will be the privileges all $gpterm members receive, ". 
 1788:                 "if you selected the first option above.",
 1789:       'thes' => "These will be the privileges given to members assigned ".   
 1790:                 "in the future, including via automatic $gpterm assignment ".
 1791:                 "for specific sections/roles ",
 1792:       'asyo' => "As you have chosen not to include any functionality in the ".
 1793:                 "$gpterm, no default user privileges settings need to be set.",
 1794:       'plin' => 'Please indicate which <b>optional</b> privileges members '.
 1795:                 'will receive by default.',
 1796:       'oppr' => 'Optional privileges',
 1797:       'defp' => 'The default privileges new members will receive are:', 
 1798:     );
 1799:     my $totaloptionalprivs = 0;
 1800:     foreach my $tool (@{$tools}) {
 1801:         foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 1802:             if (!exists($$fixedprivs{$tool}{$priv})) {
 1803:                 $totaloptionalprivs ++;
 1804:             }
 1805:         }
 1806:     }
 1807:     &topic_bar($r,$img,$lt{'uprv'});
 1808:     if ((($action eq 'create') && (@{$available} > 0)) || 
 1809:         (($action eq 'modify') && ($formname eq 'change_settings'))) {  
 1810:         my %specific = (
 1811:                       'No'  => 'checked="checked"',
 1812:                       'Yes' => '',
 1813:                   );
 1814:         if ($action eq 'create') {
 1815:             $r->print($lt{'frty'}.'<br />');
 1816:             if ($totaloptionalprivs) {
 1817:                 $r->print($lt{'thar'});
 1818:             } else {
 1819:                 $r->print($lt{'fort'});
 1820:             }
 1821:         } else {
 1822:             $r->print($lt{'eaty'}.'&nbsp;'.$lt{cutg});
 1823:             if ($$stored{'specificity'} eq 'Yes') {
 1824:                 $r->print($lt{'sdif'});
 1825:                 $specific{'Yes'} = $specific{'No'};
 1826:                 $specific{'No'} = '';
 1827:             } else {
 1828:                 $r->print($lt{'sall'});
 1829:             }
 1830:         }
 1831:         if ($totaloptionalprivs) {
 1832:             $r->print('
 1833: <br /><br />
 1834: <label><nobr><input type="radio" name="specificity" value="No" '.$specific{'No'}.' />&nbsp;'.$lt{'algm'}.'</nobr></label><br />
 1835: <label><nobr><input type="radio" name="specificity" value="Yes" '.$specific{'Yes'}.' />&nbsp;'.$lt{'smgp'}.'</nobr></label>');
 1836:         } else {
 1837:             $r->print('<input type="hidden" name="specificity" value="No" />');
 1838:         }
 1839:         if ($totaloptionalprivs) {
 1840:             $r->print($lt{'plin'});
 1841:             if ($action eq 'create') {
 1842:                 $r->print(' '.$lt{'thwi'});
 1843:             }
 1844:             $r->print('<br />'.$lt{'thes'});
 1845:             if ($action eq 'create') {
 1846:                 $r->print('('.&mt('if enabled on the next page').').');
 1847:             } else {
 1848:                 $r->print('('.&mt('if enabled below').').');
 1849:             }
 1850:             $r->print('<br /><br />
 1851:   <table><tr>');
 1852:         &check_uncheck_buttons($r,$formname,'defpriv',$lt{'oppr'});
 1853:         $r->print('
 1854:     </tr>
 1855:    </table>
 1856:    <br />
 1857: ');
 1858:         } else {
 1859:             $r->print($lt{'algm'}.'<br /><br />');
 1860:         }
 1861:         &default_privileges($r,$action,$tools,$toolprivs,$fixedprivs,
 1862: 			    $available);
 1863:     } else {
 1864:         if ($action eq 'create') {
 1865:             $r->print($lt{'asyo'});
 1866:         } elsif ($action eq 'modify' && $formname eq 'pick_members') {
 1867:             my @defprivs;
 1868:             if (ref($$stored{'defpriv'}) eq 'ARRAY') {
 1869:                 @defprivs = @{$$stored{'defpriv'}};
 1870:             }
 1871:             $r->print($lt{'eaty'}.'&nbsp;'.$lt{cutg});
 1872:             if ($$stored{'specificity'} eq 'Yes') {
 1873:                 $r->print($lt{'sdif'});
 1874:             } else {
 1875:                 $r->print($lt{'sall'});
 1876:             }
 1877:             $r->print(' '.$lt{'defp'}.'<br /><br />');
 1878:             &display_defprivs($r,$tools,$toolprivs,\@defprivs);
 1879:         }
 1880:     }
 1881:     return;
 1882: }
 1883: 
 1884: sub default_privileges {
 1885:     my ($r,$action,$tools,$toolprivs,$fixedprivs,$available) = @_;
 1886:     my %lt = &Apache::lonlocal::texthash(
 1887:                                 'addp' => 'Additional privileges',
 1888:                                 'fixp' => 'Fixed privileges',
 1889:                                 'oppr' => 'Optional privileges',
 1890:                                 'func' => 'Function',
 1891:     );
 1892:     $r->print(&Apache::lonhtmlcommon::start_pick_box('LC_group_priv_box').
 1893: 	      &Apache::lonhtmlcommon::row_title($lt{'func'},undef,
 1894: 						'LC_groups_functionality'));
 1895:     $r->print(join('</td><td class="LC_groups_functionality">',@{$tools}));
 1896:     $r->print(&Apache::lonhtmlcommon::row_closure(1));
 1897:     my $fixed = '';
 1898:     my $dynamic = '';
 1899:     foreach my $tool (@{$tools}) {
 1900:         my $privcount = 0;
 1901: 	if ($dynamic ne '') {
 1902: 	    $dynamic .= '</td><td class="LC_groups_optional">';
 1903: 	}
 1904: 	$dynamic .= '<table class="LC_group_priv"><tr>';
 1905:         foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 1906:             if (exists($$fixedprivs{$tool}{$priv})) {
 1907: 		if ($fixed ne '') {
 1908: 		    $fixed .= '</td><td class="LC_groups_fixed">';
 1909: 		}
 1910:                 $fixed .= '<input type="hidden" name="defpriv" value="'.$priv.'" />'.$$toolprivs{$tool}{$priv}.'&nbsp;';
 1911:                 if ($action eq 'modify') {
 1912:                     if (grep(/^$tool$/,@{$available})) {
 1913:                         $fixed .= '<small>'.&mt('(on)').'<small>&nbsp;';
 1914:                     } else {
 1915:                         $fixed .= '<small>'.&mt('(off)').'<small>&nbsp;';
 1916:                     }
 1917:                 }
 1918:             } else {
 1919:                 $privcount++;
 1920:                 if ($privcount == 3) {
 1921:                     $dynamic .= '</tr>
 1922:                                  <tr>'."\n";
 1923:                 }
 1924:                 $dynamic .= '<td><label><input type="checkbox" name="defpriv" value="'.$priv.'" />'.$$toolprivs{$tool}{$priv}.'</label></td>'."\n";
 1925:             }
 1926:         }
 1927:         if ($privcount == 0) {
 1928:             $dynamic .= '<td>None</td>'."\n";
 1929:         }
 1930:         if ($privcount < 3) {
 1931:             $dynamic .= '</td>
 1932:                          <td>&nbsp;</td>'."\n";
 1933:         } elsif ($privcount%2) {
 1934:             $dynamic = '<td>&nbsp;</td>'."\n";
 1935:         }
 1936: 	$dynamic .= '</tr></table>';
 1937:     }
 1938:     $r->print(&Apache::lonhtmlcommon::row_title($lt{'fixp'},undef,
 1939: 						'LC_groups_fixed').
 1940: 	      $fixed.
 1941: 	      &Apache::lonhtmlcommon::row_closure(1));
 1942:     $r->print(&Apache::lonhtmlcommon::row_title($lt{'oppr'},undef,
 1943: 						'LC_groups_optional').
 1944: 	      $dynamic.
 1945: 	      &Apache::lonhtmlcommon::end_pick_box());
 1946:     $r->print('<br />');
 1947:     return;
 1948: 
 1949: }
 1950: 
 1951: sub display_defprivs {
 1952:     my ($r,$tools,$toolprivs,$defprivs) = @_;
 1953:     my $function = &Apache::loncommon::get_users_function();
 1954:     my $tabcol = &Apache::loncommon::designparm($function.'.tabbg');
 1955:     my $rowColor1 = "#dddddd";
 1956:     my $rowColor2 = "#eeeeee";
 1957:     my %lt = &Apache::lonlocal::texthash(
 1958:                                 'priv' => 'Privileges',
 1959:                                 'func' => 'Function',
 1960:     );
 1961:     $r->print(&Apache::lonhtmlcommon::start_pick_box());
 1962:     $r->print('<tr>');
 1963:     my $numrows = 0;
 1964:     my %currprivs;
 1965:     foreach my $tool (@{$tools}) {
 1966:         @{$currprivs{$tool}} = ();
 1967:         foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 1968:             if (ref($defprivs) eq 'ARRAY') {
 1969:                 if (grep(/^\Q$priv\E$/,@{$defprivs})) {
 1970:                     push(@{$currprivs{$tool}},$priv);
 1971:                 }
 1972:             }
 1973:         }
 1974:         my $rowcount = int(@{$currprivs{$tool}}/3);
 1975:         if (@{$currprivs{$tool}}%3 > 0) {
 1976:             $rowcount ++;
 1977:         }
 1978:         if ($rowcount > $numrows) {
 1979:             $numrows = $rowcount;
 1980:         }
 1981:     }
 1982:     my @rowCols = ($rowColor1,$rowColor2);
 1983:     foreach my $tool (@{$tools}) {
 1984:         $r->print('<td align="center" valign="top">
 1985:                     <table cellspacing="0" cellpadding="5">
 1986:                      <tr bgcolor="#cccccc">
 1987:                       <td colspan="3" align="center"><b>'.$tool.'</b></td>
 1988:                      </tr>
 1989:         ');
 1990:         my $rownum = 1;
 1991:         my $privcount = 0;
 1992:         $r->print('<tr bgcolor="'.$rowColor1.'">');
 1993:         foreach my $priv (@{$currprivs{$tool}}) {
 1994:             $privcount ++;
 1995:             if ($privcount%4 == 0) {
 1996:                 $rownum ++;
 1997:                 my $bgcol = $rownum%2; 
 1998:                 $r->print('</tr>
 1999:                              <tr bgcolor="'.$rowCols[$bgcol].'">'."\n");
 2000:             }
 2001:             $r->print('<td>'.$$toolprivs{$tool}{$priv}.'</td>'."\n");
 2002:         }
 2003:         if ($privcount%3 > 0) {
 2004:             my $emptycells = 3-($privcount%3);
 2005:             while($emptycells > 0) {
 2006:                 $r->print('<td>&nbsp;</td>'."\n");
 2007:                 $emptycells --;
 2008:             }
 2009:         }
 2010:         while ($rownum < $numrows) {
 2011:             $rownum ++;
 2012:             my $bgcol = $rownum%2;
 2013:             $r->print('<tr bgcolor="'.$rowCols[$bgcol].'"><td colspan="3">&nbsp;</td></tr>');
 2014:         }
 2015:         $r->print('</table>'."\n".'</td>');
 2016:     }
 2017:     $r->print('</tr>'."\n");
 2018:     $r->print(&Apache::lonhtmlcommon::end_pick_box());
 2019:     $r->print('<br />');
 2020:     return;
 2021: }
 2022: 
 2023: 
 2024: sub change_members_form {
 2025:     my ($r,$cdom,$cnum,$action,$formname,$page,$groupname,$description,
 2026:         $startdate,$enddate,$tools,$fixedprivs,$functions,$users,$userdata,
 2027:         $granularity,$quota,$specificity,$idx,$states,$navbuttons,$gpterm,
 2028: 	$ucgpterm) = @_;
 2029:     my %lt = &Apache::lonlocal::texthash(
 2030:                                          grse => "$ucgpterm settings",
 2031:                                          mogm => "Modify $gpterm membership",
 2032:                                         );
 2033:     my @regexps = ('user_','userpriv_');
 2034:     $r->print(&Apache::lonhtmlcommon::echo_form_input(
 2035:                          ['origin','action','state','page','expire','deletion',
 2036:                           'reenable','activate','changepriv','sortby',
 2037:                           'togglefunc'],\@regexps));
 2038:     my $rowimg = 1;
 2039:     my @available = ();
 2040:     my @unavailable = ();
 2041:     &check_tools($functions,$tools,\@available,\@unavailable);
 2042:     my $nexttext = $$navbuttons{'gtns'};
 2043:     my $prevtext = $$navbuttons{'gtpp'};
 2044:     $r->print('
 2045: <br />
 2046: ');
 2047:     &topic_bar($r,1,$lt{'grse'});
 2048:     &print_current_settings($r,$action,$functions,$startdate,$enddate,
 2049: 			    $groupname,$description,$granularity,$quota,
 2050: 			    \@available,\@unavailable,$gpterm,$ucgpterm);
 2051:     &topic_bar($r,2,$lt{'mogm'});
 2052:     &current_membership($r,$cdom,$cnum,$formname,$groupname,\@available,
 2053: 			\@unavailable,$fixedprivs,$granularity,$specificity);
 2054:     &display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
 2055:                         $$states{$action}[$page+1],$nexttext);
 2056:     return;
 2057: }
 2058: 
 2059: sub current_membership {
 2060:     my ($r,$cdom,$cnum,$formname,$groupname,$available,$unavailable,
 2061: 	$fixedprivs,$granularity,$specificity) = @_;
 2062:     my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
 2063:                                                                    $groupname);
 2064:     my %lt = &Apache::lonlocal::texthash(
 2065:                                           'actn' => 'Action?',
 2066:                                           'name' => 'Name',
 2067:                                           'usnm' => 'Username',
 2068:                                           'doma' => 'Domain',
 2069:                                           'stda' => 'Start Date',
 2070:                                           'enda' => 'End Date',
 2071:                                           'expi' => 'Expire',
 2072:                                           'reen' => 'Re-enable',
 2073:                                           'acti' => 'Activate',
 2074:                                           'dele' => 'Delete',
 2075:                                           'curf' => 'Current Functionality',
 2076:                                           'chpr' => 'Change Privileges' 
 2077:                                         );
 2078:     my ($current,$num_items,$hastools,$addtools) =
 2079:         &Apache::longroup::group_memberlist($cdom,$cnum,$groupname,$fixedprivs,
 2080:                                             $available);
 2081:     if (keys(%{$current}) > 0) {
 2082:         $r->print('
 2083:    <table>
 2084:     <tr>');
 2085:         if ($num_items->{'active'}) {
 2086:             &check_uncheck_buttons($r,$formname,'expire',$lt{'expi'});
 2087:         }
 2088:         if ($num_items->{'previous'}) {
 2089:             &check_uncheck_buttons($r,$formname,'reenable',$lt{'reen'});
 2090:         }
 2091:         if ($num_items->{'future'}) {
 2092:             &check_uncheck_buttons($r,$formname,'activate',$lt{'acti'});
 2093:         }
 2094:         &check_uncheck_buttons($r,$formname,'deletion',$lt{'dele'});
 2095:         if (@{$available} > 0) {
 2096:             if ($specificity eq 'Yes') {
 2097:                 &check_uncheck_buttons($r,$formname,'changepriv',$lt{'chpr'});
 2098:             }
 2099:             if ($granularity eq 'Yes') {
 2100:                 $r->print(&check_uncheck_tools($r,$available));
 2101:                 $r->print('
 2102:      <td>
 2103:       <nobr>
 2104:        <fieldset><legend><b>'.$lt{'curf'}.'</b></legend>
 2105:        <input type="button" value="check all"
 2106:        onclick="javascript:checkAllTools(document.'.$formname.')" />
 2107:        &nbsp;&nbsp;
 2108:        <input type="button" value="uncheck all"
 2109:         onclick="javascript:uncheckAllTools(document.'.$formname.')" />
 2110:       </fieldset>
 2111:      </nobr>
 2112:     </td>
 2113: ');
 2114:             }
 2115:         }
 2116:         $r->print(<<"END");
 2117:    </tr>
 2118:   </table>
 2119:   <br />
 2120: END
 2121:         $r->print(&Apache::loncommon::start_data_table().
 2122: 		  &Apache::loncommon::start_data_table_header_row());
 2123:         $r->print(<<"END");
 2124:      <th>$lt{'actn'}</th>
 2125:      <th><a href="javascript:changeSort('fullname')">$lt{'name'}</a></th>
 2126:      <th><a href="javascript:changeSort('username')">$lt{'usnm'}</a></th>
 2127:      <th><a href="javascript:changeSort('domain')">$lt{'doma'}</a></th>
 2128:      <th><a href="javascript:changeSort('id')">ID</a></th>
 2129:      <th><a href="javascript:changeSort('start')">$lt{'stda'}</a></th>
 2130:      <th><a href="javascript:changeSort('end')">$lt{'enda'}</a></th>
 2131: END
 2132:         my $colspan = 0;
 2133:         if ($hastools) {
 2134:             $r->print('<th>'.$lt{'curf'}.'</th>');
 2135:             $colspan++;  
 2136:         }
 2137:         if ($addtools) {
 2138:             $r->print('<th>'.&mt('Additional Functionality').'</th>');
 2139:             $colspan++;
 2140:         }
 2141:         $r->print(&Apache::loncommon::end_data_table_header_row());
 2142:         if ($colspan) {
 2143:             if ($granularity eq 'Yes') {
 2144:                 $r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense LC_data_table_highlight').'
 2145:  <td colspan="7">&nbsp;</td>
 2146:  <td colspan="'.$colspan.'" align="center"><nobr><b>'.&mt('All:').
 2147:   '</b>&nbsp;');
 2148:                 foreach my $tool (@{$available}) {
 2149:                     $r->print('<label><input type="checkbox" name="togglefunc"'.
 2150:    ' onclick="javascript:toggleTools(document.'.$formname.'.user_'.$tool.',this);"'.
 2151:    ' value="'.$tool.'" />'.'<b>'.$tool.'</b></label>&nbsp;&nbsp;&nbsp;');
 2152:                 }
 2153:                 $r->print('</nobr></td></tr>');
 2154:             }
 2155:         }
 2156:         my %Sortby = ();
 2157:         foreach my $user (sort(keys(%{$current}))) {
 2158:             if ($env{'form.sortby'} eq 'fullname') {
 2159:                 push(@{$Sortby{$$current{$user}{fullname}}},$user);
 2160:             } elsif ($env{'form.sortby'} eq 'username') {
 2161:                 push(@{$Sortby{$$current{$user}{uname}}},$user);
 2162:             } elsif ($env{'form.sortby'} eq 'domain') {
 2163:                 push(@{$Sortby{$$current{$user}{udom}}},$user);
 2164:             } elsif ($env{'form.sortby'} eq 'id') {
 2165:                 push(@{$Sortby{$$current{$user}{id}}},$user);
 2166:             } else {
 2167:                 push(@{$Sortby{$$current{$user}{fullname}}},$user);
 2168:             }
 2169:         }
 2170:         foreach my $key (sort(keys(%Sortby))) {
 2171:             foreach my $user (@{$Sortby{$key}}) {
 2172:                 my $id = $$current{$user}{id};
 2173:                 my $fullname = $$current{$user}{fullname};
 2174:                 my $udom = $$current{$user}{udom};
 2175:                 my $uname = $$current{$user}{uname};
 2176:                 my $start = $$current{$user}{start};
 2177:                 my $end = $$current{$user}{end};
 2178:                 $r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense').'
 2179:                             <td>');
 2180:                 if ($$current{$user}{changestate} eq 'reenable') {
 2181:                     $r->print('<nobr><label>'. 
 2182:    '<input type="checkbox" name="reenable" value="'.$user.'" />'.
 2183:    $lt{'reen'}.'</label></nobr><br />');
 2184:                 } elsif ($$current{$user}{changestate} eq 'expire') {
 2185:                     $r->print('<nobr><label>'.
 2186:    '<input type="checkbox" name="expire" value="'.$user.'" />'.
 2187:    $lt{'expi'}.'</label></nobr><br />');
 2188:                 } elsif ($$current{$user}{changestate} eq 'activate') {
 2189:                     $r->print('<nobr><label>'.
 2190:    '<input type="checkbox" name="activate" value="'.$user.'" />'.
 2191:    $lt{'acti'}.'</label></nobr><br />');
 2192:                 }
 2193:                 $r->print('<nobr><label>'.
 2194:    '<input type="checkbox" name="deletion" value="'.$user.'" />'.
 2195:    $lt{'dele'}.'</label></nobr>');
 2196:                 if ($specificity eq 'Yes') {
 2197:                     $r->print('<br /><nobr><label>'.
 2198:    '<input type="checkbox" name="changepriv" value="'.$user.'" />'.$lt{'chpr'}.
 2199:    '</label></nobr>');
 2200:                 }
 2201:                 $r->print('
 2202:    </td>'.
 2203:    '<td>'.$fullname.'</td>'.
 2204:    '<td>'.$uname.'</td>'.
 2205:    '<td>'. $udom.'</td>'.
 2206:    '<td>'.$id.'</td>'.
 2207:    '<td>'.$start.'</td>'.
 2208:    '<td>'.$end.'</td>');
 2209:                 if ($hastools) {
 2210:                     $r->print('<td align="left"><nobr>'.
 2211:                                   '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;');
 2212:                     foreach my $tool (@{$$current{$user}{currtools}}) {
 2213:                         if ($granularity eq 'Yes') {
 2214:                             $r->print('<label><input type="checkbox" '. 
 2215:                                        'checked="checked" '. 
 2216:                                        'name="user_'.$tool.'" value="'.
 2217:                                        $user.'" />'.$tool.'</label>');
 2218:                          } else {
 2219:                              $r->print('<input type="hidden" '.
 2220:                                        'checked="checked" '.
 2221:                                        'name="user_'.$tool.'" value="'.
 2222:                                        $user.'" />'.$tool);
 2223:                          }
 2224:                          $r->print('&nbsp;&nbsp;&nbsp;');
 2225:                     }
 2226:                     $r->print('</nobr></td>');
 2227:                 }
 2228:                 if ($addtools) {
 2229:                     $r->print('<td align="left">');
 2230:                     if ($granularity eq 'Yes') {
 2231:                         foreach my $tool (@{$$current{$user}{newtools}}) {
 2232:                             $r->print('<nobr><label><input type="checkbox"
 2233:                                           name="user_'.$tool.'" value="'.
 2234:                                           $user.'" />'.$tool.
 2235:                                           '</label></nobr>&nbsp;&nbsp;&nbsp;');
 2236:                         }
 2237:                     } else {
 2238:                         foreach my $tool (@{$$current{$user}{newtools}}) {
 2239:                             $r->print('<nobr><input type="hidden" 
 2240:                                           name="user_'. $tool.'" value="'.
 2241:                                           $user.'" />'.$tool.
 2242:                                           '</nobr>&nbsp;&nbsp;&nbsp;');
 2243:                         }
 2244:                     }
 2245:                     $r->print('</td>');
 2246:                 }
 2247:                 $r->print(&Apache::loncommon::end_data_table_row()."\n");
 2248:             }
 2249:         }
 2250:         $r->print(&Apache::loncommon::end_data_table());
 2251:     }
 2252:     return;
 2253: }
 2254: 
 2255: sub check_uncheck_buttons {
 2256:     my ($r,$formname,$field,$title,$colspan) = @_;
 2257:     $r->print('
 2258:      <td '.$colspan.'>
 2259:        <fieldset>
 2260:        <legend><b>'.$title.'</b></legend>
 2261:       <nobr>
 2262:        <input type="button" value="check all"
 2263:        onclick="javascript:checkAll(document.'.$formname.'.'.$field.')" />
 2264:        &nbsp;&nbsp;
 2265:        <input type="button" value="uncheck all"
 2266:        onclick="javascript:uncheckAll(document.'.$formname.'.'.$field.')" />
 2267:       </nobr>
 2268:        </fieldset>
 2269:      </td>
 2270: ');
 2271: }
 2272: 
 2273: 
 2274: sub change_privs_form {
 2275:     my ($r,$cdom,$cnum,$action,$formname,$page,$startdate,$enddate,
 2276: 	$tools,$functions,$toolprivs,$fixedprivs,$userdata,$usertools,
 2277: 	$memchg,$idx,$states,$stored,$sectioncount,$navbuttons,$gpterm,
 2278: 	$ucgpterm) = @_;
 2279:     my @regexps = ('userpriv_');
 2280:     my $nexttext;
 2281:     my %lt = &Apache::lonlocal::texthash(
 2282:                'tode' => 'To be deleted',
 2283:                'toex' => 'To be expired',
 2284:                'nome' => "No members to be deleted or expired from the $gpterm.",
 2285:     );
 2286:     $r->print(&Apache::lonhtmlcommon::echo_form_input(
 2287:          ['origin','action','state','page','sortby'],\@regexps));
 2288:     if ($env{'form.branch'} eq 'adds') {
 2289:         $nexttext = $$navbuttons{'adme'};
 2290:     } else {
 2291:         $nexttext = $$navbuttons{'mose'};
 2292:     }
 2293:     &topic_bar($r,3,&mt('Members to delete or expire'));
 2294:     my $exp_or_del = 0;
 2295:     if (ref($$memchg{'deletion'}) eq 'ARRAY') {
 2296:         if (@{$$memchg{'deletion'}} > 0) {
 2297:             $r->print('<b>'.$lt{'tode'}.':</b><br /><ul>');
 2298:             foreach my $user (@{$$memchg{'deletion'}}) {
 2299:                 $r->print('<li>'.$$userdata{$user}[$$idx{fullname}].
 2300:                           '&nbsp;('.$user.')</li>');
 2301:             }
 2302:             $r->print('</ul>');
 2303:             $exp_or_del += @{$$memchg{'deletion'}};
 2304:         }
 2305:     }
 2306:     if (ref($$memchg{'expire'}) eq 'ARRAY') {
 2307:         if (@{$$memchg{'expire'}} > 0) {
 2308:             $r->print('<b>'.$lt{'toex'}.':</b><br /><ul>');
 2309:             foreach my $user (@{$$memchg{'expire'}}) {
 2310:                 $r->print('<li>'.$$userdata{$user}[$$idx{fullname}].
 2311:                           '&nbsp;('.$user.')</li>');
 2312:             }
 2313:             $r->print('</ul>');
 2314:             $exp_or_del += @{$$memchg{'expire'}};
 2315:         }
 2316:     }
 2317:     if (!$exp_or_del) {
 2318:         $r->print($lt{'nome'}.'<br />');
 2319:     }
 2320:     
 2321:     &topic_bar($r,4,&mt('[_1] member privileges',$ucgpterm));
 2322: 
 2323:     my $numchgs = &member_privileges_form($r,$action,$formname,$tools,
 2324:                                           $toolprivs,$fixedprivs,$userdata,
 2325:                                           $usertools,$idx,$memchg,$states,
 2326:                                           $stored,$gpterm);
 2327:     my $prevtext = $$navbuttons{'gtps'};
 2328:     if ($numchgs || $exp_or_del) {
 2329:         &display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
 2330:                             $$states{$action}[$page+1],$nexttext);
 2331:     } else {
 2332:         &display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext);
 2333:     }
 2334:     return;
 2335: }
 2336: 
 2337: sub add_members_form {
 2338:     my ($r,$action,$formname,$page,$startdate,$enddate,$groupname,
 2339:         $description,$granularity,$quota,$sectioncount,$tools,$functions,
 2340:         $stored,$states,$navbuttons,$gpterm,$ucgpterm)=@_; 
 2341:     $r->print(' <br />');
 2342:     my @available = ();
 2343:     my @unavailable = ();
 2344:     &check_tools($functions,$tools,\@available,\@unavailable);
 2345:     &print_current_settings($r,$action,$functions,$startdate,$enddate,
 2346: 			    $groupname,$description,$granularity,$quota,
 2347: 			    \@available,\@unavailable,$gpterm,$ucgpterm);
 2348:     &membership_options($r,$action,$formname,$sectioncount,1,$gpterm,$ucgpterm);
 2349:     my $nexttext = $$navbuttons{'gtns'};
 2350:     my $prevtext = $$navbuttons{'gtpp'};
 2351:     &display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
 2352:                         $$states{$action}[$page+1],$nexttext);
 2353:     return;
 2354: }
 2355: 
 2356: sub choose_privs_form {
 2357:     my ($r,$cdom,$cnum,$action,$formname,$page,$startdate,$enddate,
 2358: 	$tools,$functions,$toolprivs,$fixedprivs,$userdata,$usertools,$idx,
 2359: 	$states,$stored,$sectioncount,$navbuttons,$gpterm,$ucgpterm,
 2360: 	$crstype) = @_;
 2361: 
 2362:     my @regexps = ('userpriv_');
 2363:     my $nexttext;
 2364:     
 2365:     if ($action eq 'create') {
 2366:         push(@regexps,'sec_');
 2367:         $r->print(&Apache::lonhtmlcommon::echo_form_input(
 2368:          ['origin','action','state','page','sortby','autoadd','autodrop'],
 2369:          \@regexps));
 2370:         $nexttext = $$navbuttons{'crgr'};
 2371:     } else {
 2372:         $r->print(&Apache::lonhtmlcommon::echo_form_input(
 2373:          ['origin','action','state','page','sortby'],\@regexps));
 2374:         $nexttext = $$navbuttons{'adme'};
 2375:     }
 2376: 
 2377:     &topic_bar($r,6,&mt('[_1] member privileges',$ucgpterm));
 2378: 
 2379:     &member_privileges_form($r,$action,$formname,$tools,$toolprivs,
 2380:                             $fixedprivs,$userdata,$usertools,$idx,undef,
 2381:                             $states,$stored,$gpterm);
 2382: 
 2383:     if ($action eq 'create') {
 2384:         if (keys(%{$sectioncount}) > 0) {
 2385:             my $img1 = 7;
 2386:             my $img2 = 8;
 2387:             &mapping_options($r,$action,$formname,$page,$sectioncount,
 2388:                              $states,$stored,$navbuttons,$img1,$img2,
 2389:                              $gpterm,$ucgpterm,$crstype);
 2390:         }
 2391:     }
 2392:     my $prevtext = $$navbuttons{'gtps'};
 2393:     &display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
 2394:                         $$states{$action}[$page+1],$nexttext);
 2395:     return;
 2396: }
 2397: 
 2398: sub build_boxes {
 2399:     my ($r,$tools,$usertools,$fixedprivs,$toolprivs,$showtools,
 2400:         $showboxes,$prefix,$specificity,$excluded) = @_;
 2401:     my $totalboxes = 0;
 2402:     if (@{$tools} > 0) {
 2403:         if ($specificity eq 'Yes') {
 2404:             foreach my $tool (@{$tools}) {
 2405:                 @{$$showboxes{$tool}} = ();
 2406:                 foreach my $user (sort(keys(%{$usertools}))) {
 2407:                     if (ref($excluded) eq 'ARRAY') {
 2408:                         if (grep/^$user$/,@{$excluded}) {
 2409:                             next;
 2410:                         }
 2411:                     }
 2412:                     if ($$usertools{$user}{$tool}) {
 2413:                         unless (grep/^$tool$/,@{$showtools}) {
 2414:                             push(@{$showtools},$tool);
 2415:                         }
 2416:                         foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 2417:                             unless (exists($$fixedprivs{$tool}{$priv})) {
 2418:                                 unless(grep(/^$priv$/,@{$$showboxes{$tool}})) {
 2419:                                     push(@{$$showboxes{$tool}},$priv);
 2420:                                     $totalboxes ++;
 2421:                                 }
 2422:                             }
 2423:                         }
 2424:                     }
 2425:                 }
 2426:             }
 2427:             if ($totalboxes > 0) {
 2428:                 $r->print('
 2429: <script type="text/javascript">
 2430: function checkAllTools(formname) {
 2431: ');
 2432:                 foreach my $tool (sort(keys(%{$showboxes}))) {
 2433:                     foreach my $priv (@{$$showboxes{$tool}}) {
 2434:                         $r->print('  checkAll(formname.'.$prefix.$priv.');'."\n");
 2435:                     }
 2436:                 }
 2437:                 $r->print('
 2438: }
 2439: function uncheckAllTools(formname) {
 2440: ');
 2441:                 foreach my $tool (sort(keys(%{$showboxes}))) {
 2442:                     foreach my $priv (@{$$showboxes{$tool}}) {
 2443:                         $r->print('  uncheckAll(formname'.$prefix.$priv.');'."\n");
 2444:                     }
 2445:                 }
 2446:                 $r->print('
 2447: }
 2448: </script>
 2449:                 ');
 2450:             }
 2451:         }
 2452:     }
 2453:     return $totalboxes;
 2454: }
 2455: 
 2456: sub member_privileges_form {
 2457:     my ($r,$action,$formname,$tools,$toolprivs,$fixedprivs,$userdata,
 2458:         $usertools,$idx,$memchg,$states,$stored,$gpterm) = @_;
 2459:     my %lt = &Apache::lonlocal::texthash(
 2460:             'addp' => 'Additional privileges',
 2461:             'fixp' => 'Fixed privileges',
 2462:             'oppr' => 'Optional privileges',
 2463:             'func' => 'Function',
 2464:             'forf' => 'For the functionality you have chosen to include '.
 2465:                       'there are no optional privileges to set besides '.
 2466:                       'the standard privileges.',
 2467:             'algr' => "All $gpterm members will receive the same privileges.",
 2468:             'asno' => "As no $gpterm members are being added, ".
 2469:                       "there are no specific user privileges to set.",
 2470:             'asng' => "As no $gpterm tools will be made available to users, ".
 2471:                       "there are no specific user privileges to set.",
 2472:             'nogm' => "No $gpterm member privileges to display or set, ".
 2473:                       "as you have not indicated that you will be activating,".
 2474:                       " re-enabling, changing privileges, or adding/removing ".
 2475:                       "functionality for any current members ",
 2476:             'full' => 'Fullname',
 2477:             'user' => 'Username',
 2478:             'doma' => 'Domain',
 2479:     );
 2480:     my @defprivs;
 2481:     my $specificity;
 2482:     if ($action eq 'create') {
 2483:         if (defined($env{'form.defpriv'})) {
 2484:             @defprivs = &Apache::loncommon::get_env_multiple('form.defpriv');
 2485:         }
 2486:         $specificity = $env{'form.specificity'};
 2487:     } else {
 2488:         if (defined($$stored{'defpriv'})) {
 2489:             @defprivs = @{$$stored{'defpriv'}};
 2490:         }
 2491:         $specificity = $$stored{'specificity'};
 2492:     }
 2493:     my @showtools;
 2494:     my %showboxes = ();
 2495:     my $numtools = 1 + @{$tools};
 2496: 
 2497:     my @excluded = ();
 2498:     my $numchgs = 0;
 2499:     if ($formname eq 'change_privs') {
 2500:         my @currmembers = ();
 2501:         if (ref($$memchg{'deletion'}) eq 'ARRAY') {
 2502:             push(@excluded,@{$$memchg{'deletion'}});
 2503:         }
 2504:         if (ref($$memchg{'expire'}) eq 'ARRAY') {
 2505:             push(@excluded,@{$$memchg{'expire'}});
 2506:         }
 2507:         if (@excluded > 0) {
 2508:             foreach my $user (sort(keys(%{$usertools}))) {
 2509:                 if (grep/^$user$/,@excluded) {
 2510:                     next;
 2511:                 }
 2512:                 push(@currmembers,$user);
 2513:             }
 2514:         } else {
 2515:             @currmembers = sort(keys(%{$usertools}));
 2516:         }
 2517:         $numchgs = @currmembers;
 2518:         if (!$numchgs) {
 2519:             $r->print($lt{'nogm'}); 
 2520:             return $numchgs;
 2521:         }
 2522:     }
 2523:  
 2524:     my $totalboxes = &build_boxes($r,$tools,$usertools,$fixedprivs,
 2525:                                    $toolprivs,\@showtools,\%showboxes,
 2526:                                    'userpriv_',$specificity,\@excluded);
 2527:     if (@{$tools} > 0) {
 2528:         if ($specificity eq 'Yes') {
 2529:             if ($totalboxes > 0) {
 2530:                 my $numcells = 2;
 2531:                 my $colspan = $numcells + 1;
 2532:                 my %total;
 2533:                 if (keys(%{$usertools}) > 1) {
 2534:                     $r->print('
 2535:    <table border="0" cellspacing="2" cellpadding="2">
 2536:     <tr>
 2537: ');
 2538:                     foreach my $tool (@{$tools}) {
 2539:                         if (@{$showboxes{$tool}} > 0) {
 2540:                             $r->print('<td valign="top">');
 2541:                             $r->print('<table class="thinborder"><tr>'.
 2542: 				      '<th colspan="'.$colspan.'">'.
 2543:                                       $tool.'</th></tr><tr>');
 2544:                             my $privcount = 0;
 2545:                             foreach my $priv (@{$showboxes{$tool}}) {
 2546:                                 $privcount ++;
 2547:                                 if (($privcount == @{$showboxes{$tool}}) && 
 2548:                                     ($privcount > 1)) {
 2549:                                     if ($privcount%$numcells) {
 2550:                                         $r->print('<td colspan="'.$colspan.'">');
 2551:                                     } else {
 2552:                                         $r->print('<td>');
 2553:                                     }
 2554:                                 } else {
 2555:                                     $r->print('<td>');
 2556:                                 }
 2557:                                 $r->print(qq|
 2558:        <fieldset><legend><b>$$toolprivs{$tool}{$priv}</b></legend>
 2559:        <nobr>
 2560:        <input type="button" value="check all"
 2561:          onclick="javascript:checkAll(document.$formname.userpriv_$priv)" />
 2562:        &nbsp;
 2563:        <input type="button" value="uncheck all"
 2564:         onclick="javascript:uncheckAll(document.$formname.userpriv_$priv)" />
 2565:       </nobr></fieldset><br />|);
 2566:                                 $r->print('</td>');
 2567:                                 if ($privcount < @{$showboxes{$tool}}) {
 2568:                                     if (@{$showboxes{$tool}} > 2) {
 2569:                                         if ($privcount%$numcells == 0) {
 2570:                                             $r->print('</tr><tr>');
 2571:                                         }
 2572:                                     } else {
 2573:                                         $r->print('<tr></tr>');
 2574:                                     }
 2575:                                 }
 2576:                             }
 2577:                             $r->print('</tr></table></td><td>&nbsp;</td>');
 2578:                         }
 2579:                     }
 2580:                     $r->print('</tr></table>');
 2581:                 }
 2582:                 $r->print(&Apache::loncommon::start_data_table().
 2583: 			  &Apache::loncommon::start_data_table_header_row());
 2584:                 $r->print(<<"END");
 2585:     <th>$lt{'full'}</th>
 2586:     <th>$lt{'user'}</th>
 2587:     <th>$lt{'doma'}</th>
 2588:     <th colspan="$numtools">$lt{'addp'}</th>
 2589: END
 2590:                 $r->print(&Apache::loncommon::end_data_table_header_row());
 2591:                 &member_privs_entries($r,$usertools,$toolprivs,$fixedprivs,
 2592:                                       $userdata,$idx,\@showtools,\@defprivs,
 2593:                                       \@excluded);
 2594:                 $r->print(&Apache::loncommon::end_data_table());
 2595:             } else {
 2596:                 $r->print($lt{'forf'}.'<br />');
 2597:                 &display_defprivs($r,$tools,$toolprivs,\@defprivs);
 2598:             }
 2599:         } else {
 2600:             if (keys(%{$usertools}) > 0) {
 2601:                 $r->print($lt{'algr'}.'<br /><br />');
 2602:                 &display_defprivs($r,$tools,$toolprivs,\@defprivs);
 2603:             } else {
 2604:                 $r->print($lt{'asno'}.'<br />');
 2605:             }
 2606:         }
 2607:     } else {
 2608:         $r->print($lt{'asng'});
 2609:     }
 2610:     return $numchgs;
 2611: }
 2612: 
 2613: sub process_request {
 2614:     my ($r,$cdom,$cnum,$action,$state,$page,$groupname,$description,
 2615:         $specificity,$userdata,$startdate,$enddate,$tools,$functions,$toolprivs,
 2616:         $usertools,$idx,$types,$roles,$sections,$states,$navbuttons,$memchg,
 2617:         $sectioncount,$stored,$gpterm,$ucgpterm,$crstype) = @_;
 2618: 
 2619:     $r->print(&Apache::lonhtmlcommon::echo_form_input(
 2620:                                  ['origin','action','state','page','sortby']));
 2621: 
 2622:     my $earlyout = &validate_groupname($groupname,$action,$cdom,$cnum,$gpterm,
 2623:                                        $ucgpterm,$crstype);
 2624:     if ($earlyout) {
 2625:         $r->print('
 2626: <table width="100%" cellpadding="0" cellspacing="0" border="0">
 2627:  <tr>
 2628:   <td>&nbsp;</td>
 2629:   <td colspan="3">
 2630: '.$earlyout.'</td></tr>');
 2631:         &display_navbuttons($r,$state,$$states{$action}[$page-1],
 2632:                             $$navbuttons{'gtps'});
 2633:         $r->print('</table>');
 2634:         return;
 2635:     }
 2636: 
 2637:     my @defprivs = ();
 2638:     if ($action eq 'create' || $state eq 'chgresult') { 
 2639:         if (defined($env{'form.defpriv'})) {
 2640:             @defprivs = &Apache::loncommon::get_env_multiple('form.defpriv');
 2641:         }
 2642:         if ($state eq 'chgresult') {
 2643:             my @okprivs = ();
 2644:             foreach my $tool (@{$tools}) {
 2645:                 foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 2646:                     push(@okprivs,$priv);
 2647:                 }
 2648:             }
 2649:             my @temp = ();
 2650:             foreach my $defpriv (@defprivs) {
 2651:                 if (grep/^$defpriv$/,@okprivs) {
 2652:                     push(@temp,$defpriv);
 2653:                 }
 2654:             }
 2655:             @defprivs = @temp; 
 2656:         }
 2657:     } else {
 2658:         if (defined($$stored{'defpriv'})) {
 2659:             @defprivs = @{$$stored{'defpriv'}};
 2660:         }
 2661:     }
 2662: 
 2663:     my $outcome;
 2664:     if ($action eq 'create' || $state eq 'chgresult') {
 2665:         $outcome = &write_group_data($r,$cdom,$cnum,$action,$state,$groupname,
 2666:                                      $description,$startdate,$enddate,
 2667:                                      $specificity,$functions,$tools,
 2668:                                      $sectioncount,$roles,$types,$sections,
 2669:                                      \@defprivs,$stored,$gpterm,$ucgpterm,
 2670:                                      $crstype); 
 2671:     }
 2672:     if (($action eq 'create' && $outcome eq 'ok') || (($action eq 'modify') && 
 2673:        (($state eq 'memresult') || ($state eq 'addresult')))) {
 2674:         &process_membership($r,$cdom,$cnum,$action,$state,$groupname,$tools,
 2675:                             $enddate,$startdate,$userdata,$idx,$toolprivs,
 2676:                             $usertools,$specificity,\@defprivs,$memchg,$gpterm,
 2677:                             $ucgpterm);
 2678:     }
 2679:     return;
 2680: }
 2681: 
 2682: sub write_group_data {
 2683:     my ($r,$cdom,$cnum,$action,$state,$groupname,$description,$startdate,
 2684:         $enddate,$specificity,$functions,$tools,$sectioncount,$roles,$types,
 2685:         $sections,$defprivs,$stored,$gpterm,$ucgpterm,$crstype) = @_;
 2686:     my $now = time;
 2687:     my $creation = $now;
 2688:     my $creator = $env{'user.name'}.':'.$env{'user.domain'};
 2689:     if ($state eq 'chgresult') {
 2690:         $creation = $$stored{'creation'};
 2691:         $creator = $$stored{'creator'};
 2692:     }
 2693:     my $esc_description = &escape($description);
 2694:     my @single_attributes = ('description','functions','startdate','enddate',
 2695:                              'creation','modified','creator','granularity',
 2696:                              'specificity','autoadd','autodrop','quota');
 2697:     my @mult_attributes = ('roles','types','sectionpick','defpriv');
 2698: 
 2699:     my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,
 2700:                                                                 $stored);
 2701:     my $quota = $env{'form.quota'};
 2702:     
 2703:     $quota =~ s/^\s*([^\s]*)\s*$/$1/;
 2704:     if ($quota eq '') {
 2705:         $quota = 0;
 2706:     }
 2707:     if ($quota !~ /^\d*\.?\d*$/) {
 2708:         $quota = 0;
 2709:         $r->print(&mt('The value you entered for the quota for the file repository in this [_1] contained invalid characters, so it has been set to 0 Mb. You can change this by modifying the [_1] settings.<br />',$gpterm));
 2710:     }
 2711:     if ($quota > $maxposs) {
 2712:         $quota = $maxposs;
 2713:         $r->print(&mt('The value you entered for the quota for the file repository in this [_1] exceeded the maximum possible value, so it has been set to [_2] Mb (the maximum possible value).<br />',$gpterm,$maxposs));
 2714:     }
 2715:     my %groupinfo = (
 2716:                      description => $esc_description,
 2717:                      startdate => $startdate,
 2718:                      enddate => $enddate,
 2719:                      creation => $creation,
 2720:                      modified => $now,
 2721:                      creator => $creator,
 2722:                      granularity => $env{'form.granularity'},
 2723:                      specificity => $specificity,
 2724:                      autoadd => $env{'form.autoadd'},
 2725:                      autodrop => $env{'form.autodrop'},
 2726:                      quota => $quota,
 2727:                    );
 2728: 
 2729:     foreach my $func (keys(%{$functions})) {
 2730:         my $status;
 2731:         if (grep(/^$func$/,@{$tools})) {
 2732:             $status = 'on';
 2733:         } else {
 2734:             $status = 'off';
 2735:         }
 2736:         $groupinfo{'functions'} .=  qq|<name id="$func">$status</name>|;
 2737:     }
 2738: 
 2739:     $groupinfo{'roles'} = $roles;
 2740:     $groupinfo{'types'} = $types;
 2741:     $groupinfo{'sectionpick'} = $sections;
 2742:     $groupinfo{'defpriv'} = $defprivs;
 2743: 
 2744:     my %groupsettings = ();
 2745:     foreach my $item (@single_attributes) {
 2746:         $groupsettings{$groupname} .= qq|<$item>$groupinfo{$item}</$item>|;
 2747:     }
 2748:     foreach my $item (@mult_attributes) {
 2749:         foreach my $entry (@{$groupinfo{$item}}) {
 2750:             $groupsettings{$groupname} .= qq|<$item>$entry</$item>|;
 2751:         }
 2752:     }
 2753:     my $autosec;
 2754:     my @autorole = &Apache::loncommon::get_env_multiple('form.autorole');
 2755: 
 2756:     foreach my $role (@autorole) {
 2757:         if (defined($env{'form.sec_'.$role})) {
 2758:             my @autosections=&Apache::loncommon::get_env_multiple('form.sec_'.
 2759:                                                                   $role);
 2760:             $autosec .= '<role id="'.$role.'">';
 2761:             foreach my $sec (@autosections) {
 2762:                 $autosec .= '<section>'.$sec.'</section>';
 2763:             }
 2764:             $autosec .= '</role>';
 2765:         }
 2766:     }
 2767:     if ($autosec) {
 2768:         $groupsettings{$groupname} .= qq|<autosec>$autosec</autosec>|;
 2769:     }
 2770:     my $result = &Apache::lonnet::modify_coursegroup($cdom,$cnum,
 2771:                                                      \%groupsettings);
 2772: 
 2773:     if ($result eq 'ok') {
 2774:         if ($action eq 'create') {
 2775:             my $result = &add_group_folder($cdom,$cnum,$now,$groupname,$action,
 2776:                                            $description,$tools,\%groupinfo,
 2777:                                            $gpterm,$ucgpterm,$crstype);
 2778:             if ($result ne 'ok') {
 2779:                 $r->print(&mt('A problem occurred when creating folders for the new [_1]. [_2].<br />',$gpterm,$result));
 2780:             }
 2781:             $r->print(&mt('[_1] [_2] was created.<br />',$ucgpterm,$groupname));
 2782:         } else {
 2783:             $r->print(&mt('[_1] [_2] was updated.<br />',$ucgpterm,$groupname));
 2784:         }
 2785:     } else {
 2786:         my %actiontype = (
 2787:                           'create' => 'creating',
 2788:                           'modify' => 'modifying',
 2789:                          );
 2790:         &Apache::lonnet::logthis("Failed to store $gpterm $groupname ".
 2791:                                  'in '.lc($crstype).': '.$cnum.
 2792:                                  ' in domain: '.$cdom);
 2793:         $r->print(&mt('An error occurred when [_1] the [_2]. '.
 2794:                       'Please try again.',$actiontype{$action},$gpterm));
 2795:     }
 2796:     return $result;
 2797: }
 2798: 
 2799: sub process_membership {
 2800:     my ($r,$cdom,$cnum,$action,$state,$groupname,$tools,$enddate,$startdate,
 2801:         $userdata,$idx,$toolprivs,$usertools,$specificity,$defprivs,$memchg,
 2802:         $gpterm,$ucgpterm)=@_;
 2803:     my %usersettings = ();
 2804:     my %added= ();
 2805:     my %failed = ();
 2806:     my $num_ok = 0;
 2807:     my $num_fail = 0;
 2808:     my %group_privs = ();
 2809:     my %curr_privs = ();
 2810:     my %curr_start = ();
 2811:     my %curr_end = ();
 2812:     my %tooltype = ();
 2813: 
 2814:     foreach my $tool (@{$tools}) {
 2815:         foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 2816:             $tooltype{$priv} = $tool;
 2817:             if ($specificity eq 'Yes') {
 2818:                 my @users =
 2819:                   &Apache::loncommon::get_env_multiple('form.userpriv_'.$priv);
 2820:                 foreach my $user (@users) {
 2821:                     $group_privs{$user} .= $priv.':';
 2822:                     if ($state eq 'memresult') { 
 2823:                         unless (exists($$usertools{$user}{$tool})) {
 2824:                             $$usertools{$user}{$tool} = 1;
 2825:                         }
 2826:                     }
 2827:                 }
 2828:             } else {
 2829:                 if (@{$defprivs} > 0) {
 2830:                     if (grep/^\Q$priv\E$/,@{$defprivs}) {
 2831:                         foreach my $user (sort(keys(%{$usertools}))) {
 2832:                             if ($$usertools{$user}{$tool}) {
 2833:                                 $group_privs{$user} .= $priv.':';
 2834:                             }
 2835:                         }
 2836:                     }
 2837:                 }
 2838:             }
 2839:         }
 2840:     }
 2841:     foreach my $user (keys(%group_privs)) {
 2842:         $group_privs{$user} =~ s/:$//;
 2843:     }
 2844: 
 2845:     my $now = time;
 2846:     my @activate = ();
 2847:     my @expire = ();
 2848:     my @deletion = ();
 2849:     my @reenable = ();
 2850:     my @unchanged = ();
 2851:     if ($state eq 'memresult') {
 2852:         if (ref($$memchg{'activate'}) eq 'ARRAY') {
 2853:             @activate = @{$$memchg{'activate'}};
 2854:         }
 2855:         if (ref($$memchg{'expire'}) eq 'ARRAY') {
 2856:             @expire = @{$$memchg{'expire'}};
 2857:         }
 2858:         if (ref($$memchg{'deletion'}) eq 'ARRAY') {
 2859:             @deletion = @{$$memchg{'deletion'}};
 2860:         }
 2861:         if (ref($$memchg{'reenable'}) eq 'ARRAY') {
 2862:             @reenable = @{$$memchg{'reenable'}};
 2863:         }
 2864:         my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
 2865:                                                                  $groupname);
 2866:         foreach my $key (sort(keys(%membership))) {
 2867:             if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
 2868:                 ($curr_end{$1},$curr_start{$1},$curr_privs{$1}) = 
 2869:                                                 split(/:/,$membership{$key},3);
 2870:             }
 2871:         }
 2872:         if (@expire + @deletion > 0) {
 2873:             foreach my $user (@expire) {
 2874:                 my $savestart = $curr_start{$user};
 2875:                 if ($savestart > $now) {
 2876:                     $savestart = $now;
 2877:                 }
 2878:                 $usersettings{$groupname.':'.$user} = $now.':'.$savestart.':'.
 2879:                                                       $curr_privs{$user};
 2880:                 if (&Apache::lonnet::modify_group_roles($cdom,$cnum,$groupname,
 2881:                                                        $user,$now,$savestart,
 2882:                                                        $curr_privs{$user}) eq 'ok') {
 2883:                     push(@{$added{'expired'}},$user);
 2884:                     $num_ok ++;
 2885:                 } else {
 2886:                     push(@{$failed{'expired'}},$user);
 2887:                     $num_fail ++;
 2888:                 }
 2889:             }
 2890:             foreach my $user (@deletion) {
 2891:                 $usersettings{$groupname.':'.$user} = $now.':-1:';
 2892:                 if (&Apache::lonnet::modify_group_roles($cdom,$cnum,$groupname,
 2893:                                                        $user,$now,'-1','')
 2894:                                                          eq 'ok') {
 2895:                     push(@{$added{'deleted'}},$user);
 2896:                     $num_ok ++;
 2897:                 } else {
 2898:                     push(@{$failed{'deleted'}},$user);
 2899:                     $num_fail ++;
 2900:                 }
 2901:             }
 2902:         }
 2903:     }
 2904: 
 2905:     foreach my $user (sort(keys(%{$usertools}))) {
 2906:         if ((grep(/^$user$/,@expire)) || (grep(/^$user$/,@deletion))) {
 2907:             next;
 2908:         }
 2909:         my $type;
 2910:         my $start = $startdate;
 2911:         my $end = $enddate;
 2912:         if ($state eq 'memresult') {
 2913:             if (@activate > 0) {
 2914:                 if (grep/^$user$/,@activate) {
 2915:                     $start = $now;
 2916:                     $end = $enddate;
 2917:                     $type = 'activated';
 2918:                 }
 2919:             }
 2920:             if (@reenable > 0) {
 2921:                 if (grep/^$user$/,@reenable) {
 2922:                     $start = $startdate;
 2923:                     $end = $enddate;
 2924:                     $type = 'reenabled';
 2925:                 }
 2926:             }
 2927:             if ($type eq '') {
 2928:                 if ($curr_privs{$user} eq $group_privs{$user}) {
 2929:                     push(@unchanged,$user);
 2930:                     next;
 2931:                 }
 2932:                 if (exists($curr_start{$user})) {
 2933:                     $start = $curr_start{$user};
 2934:                 }
 2935:                 if (exists($curr_end{$user})) {
 2936:                     $end = $curr_end{$user};
 2937:                 }
 2938:                 $type = 'modified';
 2939:             }
 2940:         } else {
 2941:             $type = 'added';
 2942:         }
 2943:         $usersettings{$groupname.':'.$user} = $end.':'.$start.':'.
 2944:                                               $group_privs{$user};
 2945:         if (&Apache::lonnet::modify_group_roles($cdom,$cnum,$groupname,
 2946:                                                 $user,$end,$start,
 2947:                                                 $group_privs{$user}) eq 'ok') {
 2948:             push(@{$added{$type}},$user);
 2949:             $num_ok ++;
 2950:         } else {
 2951:             push(@{$failed{$type}},$user);
 2952:             $num_fail ++;
 2953:         }
 2954:     }
 2955:     my $roster_result = &Apache::lonnet::modify_coursegroup_membership($cdom,
 2956:                                                        $cnum,\%usersettings);
 2957:     if ($num_ok) {
 2958:         foreach my $type (sort(keys(%added))) { 
 2959:             $r->print(&mt('The following users were successfully [_1]',$type));
 2960:             if (!($type eq 'deleted' || $type eq 'expired')) {   
 2961:                 $r->print(&mt(' with the following privileges'));
 2962:             }
 2963:             $r->print(':<br />');
 2964:             foreach my $user (@{$added{$type}}) {
 2965:                 my $privlist = '';
 2966:                 if (!($type eq 'deleted' ||  $type eq 'expired')) {
 2967:                     $privlist = ': ';
 2968:                     my @privs = split(/:/,$group_privs{$user});
 2969:                     my $curr_tool = '';
 2970:                     foreach my $priv (@privs) {
 2971:                         unless ($curr_tool eq $tooltype{$priv}) {
 2972:                             $curr_tool = $tooltype{$priv};
 2973:                             $privlist .= '<b>'.$curr_tool.'</b>: ';
 2974:                         }
 2975:                         $privlist .= $$toolprivs{$curr_tool}{$priv}.', ';
 2976:                     }
 2977:                     $privlist =~ s/, $//;
 2978:                 }
 2979:                 $r->print($$userdata{$user}[$$idx{fullname}].'&nbsp;-&nbsp;'.$user.$privlist.'<br />');
 2980:             }
 2981:             $r->print('<br />');
 2982:         }
 2983:     }
 2984:     if ($num_fail) {
 2985:         foreach my $type (sort(keys(%failed))) {
 2986:             $r->print(&mt('The following users could not be [_1], because an error occurred:<br />',$type));
 2987:             foreach my $user (@{$failed{$type}}) {
 2988:                 $r->print($$userdata{$user}[$$idx{fullname}].' - '.$user.'<br />');
 2989:             }
 2990:         }
 2991:         $r->print('<br />');
 2992:     }
 2993:     if (@unchanged > 0) {
 2994:         $r->print(&mt('No change occurred for the following users:<br />'));
 2995:         foreach my $user (sort(@unchanged)) {
 2996:             $r->print($$userdata{$user}[$$idx{fullname}].' - '.$user.'<br />');
 2997:         }
 2998:         $r->print('<br />');
 2999:     }
 3000:     if ($roster_result eq 'ok') {
 3001:         $r->print('<br />'.&mt('[_1] membership list updated.',$ucgpterm));
 3002: 	$r->print('<p>'.&mt("For full access to all of [_1]'s privileges, users will need to log out and log back in.",$groupname).'</p>');
 3003:     } else {
 3004:         $r->print('<br />'.&mt('An error occurred while updating the [_1] membership list -',$gpterm).$roster_result.'<br />');
 3005:     }
 3006:     return;
 3007: }
 3008: 
 3009: sub mapping_options {
 3010:     my ($r,$action,$formname,$page,$sectioncount,$states,$stored,
 3011:         $navbuttons,$img1,$img2,$gpterm,$ucgpterm,$crstype) = @_;
 3012:     my %lt = &Apache::lonlocal::texthash(
 3013:         'auto' => "Settings for automatic $gpterm enrollment",
 3014:         'gmma' => "$ucgpterm membership mapping to specific sections/roles",
 3015:         'endi' => "Enable/disable automatic $gpterm enrollment for ".
 3016:                           "users in specified roles and sections",
 3017:         'adds'  => "If automatic $gpterm enrollment is enabled, when a user is assigned a ".lc($crstype)."-wide or section-specific role, he/she will automatically be added as a member of the $gpterm, with start and end access dates defined by the default dates set for the $gpterm, unless he/she is already a $gpterm member, with access dates that permit either current or future $gpterm access.",
 3018:         'drops'  => "If automatic $gpterm disenrollment is enabled, when a user's role is expired, access to the $gpterm will be terminated unless the user continues to have other ".lc($crstype)."-wide or section-specific active or future roles which receive automatic membership in the $gpterm.",
 3019:         'pirs' => "Pick roles and sections for automatic $gpterm enrollment",
 3020:         'curr' => 'Currently set to',
 3021:         'on' => 'on',
 3022:         'off' => 'off',
 3023:         'auad' => "Automatically enable $gpterm membership when roles are added?",
 3024:         'auex' => "Automatically expire $gpterm membership when roles are removed?",
 3025:         'mapr' => "Mapping of roles and sections affected by automatic $gpterm enrollment/disenrollment follows scheme chosen below.",
 3026:     );
 3027:     &automapping($r,$action,$stored,\%lt,$img1);
 3028:     &mapping_settings($r,$sectioncount,\%lt,$stored,$img2,$crstype);
 3029:     return;
 3030: }
 3031: 
 3032: sub automapping {
 3033:     my ($r,$action,$stored,$lt,$image) = @_;
 3034:     my $add = 'off';
 3035:     my $drop = 'off';
 3036:     if (exists($$stored{'autoadd'})) {
 3037:         $add = $$stored{'autoadd'};
 3038:     }
 3039:     if (exists($$stored{'autodrop'})) {
 3040:         $drop = $$stored{'autodrop'};
 3041:     }
 3042:     &topic_bar($r,$image,$$lt{'endi'});
 3043:     $r->print('
 3044:     <b>'.$$lt{'gmma'}.':</b><br />'.$$lt{'adds'}.'<br />'.$$lt{'drops'}.'<br /><br />
 3045:    <nobr>'.$$lt{'auad'}.':&nbsp;
 3046:     <label><input type="radio" name="autoadd" value="on" />on&nbsp;&nbsp;</label><label><input type="radio" name="autoadd" value="off" checked="checked" />off</label>');
 3047:     if ($action eq 'modify') {
 3048:         $r->print('&nbsp;&nbsp;&nbsp;&nbsp;('.$$lt{'curr'}.' <b>'.$$lt{$add}.'</b>)');
 3049:     }
 3050:     $r->print('
 3051:     </nobr><br />
 3052:     <nobr>'.$$lt{'auex'}.':&nbsp;
 3053:     <label><input type="radio" name="autodrop" value="on" />on&nbsp;&nbsp;</label><label><input type="radio" name="autodrop" value="off" checked="checked" />off</label>');
 3054:     if ($action eq 'modify') {
 3055:         $r->print('&nbsp;&nbsp;&nbsp;&nbsp;('.$$lt{'curr'}.' <b>'.$$lt{$drop}.'</b>)');
 3056:     }
 3057:     $r->print('</nobr><br /><br />'.$$lt{'mapr'});
 3058: }
 3059: 
 3060: sub mapping_settings {
 3061:     my ($r,$sectioncount,$lt,$stored,$image,$crstype) = @_;
 3062:     my @sections = keys(%{$sectioncount});
 3063:     if (@sections > 0) {
 3064:         @sections = sort {$a cmp $b} @sections;
 3065:         unshift(@sections,'none'); # Put 'no sections' next
 3066:         unshift(@sections,'all'); # Put 'all' at the front of the list
 3067:     }
 3068:     &topic_bar($r,$image,$$lt{'pirs'});
 3069:     my @roles = &standard_roles();
 3070:     my %customroles = &my_custom_roles();
 3071:     $r->print(&Apache::loncommon::start_data_table().
 3072: 	      &Apache::loncommon::start_data_table_header_row());
 3073:     $r->print('
 3074:                  <th>'.&mt('Active?').'</th>
 3075:                  <th>'.&mt('Role').'</th>');
 3076:     if (@sections > 0) {
 3077:         $r->print('<th>'.&mt('Sections').'</th>');
 3078:     }
 3079:     $r->print(&Apache::loncommon::end_data_table_header_row()."\n");
 3080:     foreach my $role (@roles) {
 3081:         my $plrole=&Apache::lonnet::plaintext($role,$crstype);
 3082:         my $sections_sel;
 3083:         if (@sections > 0) {
 3084:             if ($role eq 'cc') {
 3085:                 $sections_sel = '<td align="right">'.
 3086:                                 &mt('all sections').'<input type="hidden" '. 
 3087:                                 'name="sec_cc" value="all" /></td>';
 3088:             } else { 
 3089:                 $sections_sel='<td align="right">'.
 3090:                               &sections_selection(\@sections,'sec_'.$role).
 3091:                               '</td>';
 3092:             }
 3093:         }
 3094:         $r->print(&Apache::loncommon::start_data_table_row().
 3095: 		  '<td><input type="checkbox" '.
 3096:                   'name="autorole" value="'.$role.'" /></td><td>'.$plrole.
 3097:                   '</td>'.$sections_sel.
 3098: 		  &Apache::loncommon::end_data_table_row());
 3099:     }
 3100:     foreach my $role (sort(keys(%customroles))) {
 3101:         my $sections_sel;
 3102:         if (@sections > 0) {
 3103:             $sections_sel = 
 3104: 		'<td>'.&sections_selection(\@sections,'sec_'.$role).'</td>';
 3105:         }
 3106:         $r->print(&Apache::loncommon::start_data_table_row().
 3107: 		  '<td><input type="checkbox" '.
 3108:                   'value="'.$role.'" /></td><td>'.$role.'</td>'.
 3109:                   $sections_sel.
 3110: 		  &Apache::loncommon::end_data_table_row());
 3111:     }
 3112:     $r->print(&Apache::loncommon::end_data_table());
 3113:     return;
 3114: }
 3115: 
 3116: sub standard_roles {
 3117:     my @roles = ('cc','in','ta','ep','st');
 3118:     return @roles;
 3119: }
 3120: 
 3121: sub my_custom_roles {
 3122:     my %returnhash=();
 3123:     my %rolehash=&Apache::lonnet::dump('roles');
 3124:     foreach (keys %rolehash) {
 3125:         if ($_=~/^rolesdef\_(\w+)$/) {
 3126:             $returnhash{$1}=$1;
 3127:         }
 3128:     }
 3129:     return %returnhash;
 3130: }
 3131: 
 3132: sub modify_menu {
 3133:     my ($r,$groupname,$page,$gpterm) = @_;
 3134:     my @menu =
 3135:         (
 3136:           { text => "Modify default $gpterm settings",
 3137:             help => 'Course_Modify_Group',
 3138:             state => 'change_settings',
 3139:             branch => 'settings',
 3140:             },
 3141:           { text => 'Modify access, tools and/or privileges for previous, '.
 3142:                     'future, or current members',
 3143:             help => 'Course_Modify_Group_Membership',
 3144:             state => 'change_members',
 3145:             branch => 'members',
 3146:             },
 3147:           { text => "Add member(s) to the $gpterm",
 3148:             help => 'Course_Group_Add_Members',
 3149:             state => 'add_members',
 3150:             branch => 'adds',
 3151:             },
 3152:           );
 3153:     my $menu_html = '';
 3154:     foreach my $menu_item (@menu) {
 3155:         $menu_html .=
 3156:         '<p><font size="+1"><a href="/adm/coursegroups?action=modify&refpage='.$env{'form.refpage'}.'&groupname='.$groupname.'&state='.$menu_item->{'state'}.'&branch='.$menu_item->{'branch'}.'">';
 3157:         $menu_html.= &mt($menu_item->{'text'}).'</a></font>';
 3158:         if (exists($menu_item->{'help'})) {
 3159:             $menu_html.=
 3160:                 &Apache::loncommon::help_open_topic($menu_item->{'help'});
 3161:         }
 3162:         $menu_html.='</p>'.$/;
 3163:     }
 3164:     $r->print($menu_html);
 3165:     return;
 3166: }
 3167: 
 3168: sub member_privs_entries {
 3169:     my ($r,$usertools,$toolprivs,$fixedprivs,$userdata,$idx,$showtools,
 3170: 	$defprivs,$excluded) = @_;
 3171:     foreach my $user (sort(keys(%{$usertools}))) {
 3172:         if (defined($excluded)) {
 3173:             if (ref($excluded) eq 'ARRAY') {
 3174:                 if (grep/^$user$/,@{$excluded}) {
 3175:                     next;
 3176:                 }
 3177:             }
 3178:         }
 3179:         my ($uname,$udom) = split(/:/,$user);
 3180:         $r->print(&Apache::loncommon::start_data_table_row().'
 3181:                 <td>'.$$userdata{$user}[$$idx{fullname}].'</td>
 3182:                 <td>'.$uname.'</td>
 3183:                 <td>'.$udom.'</td>
 3184:                 <td valign="top"><table><tr><td><b>Function</b></td></tr><tr><td><b>Fixed</b></td></tr><tr><td><b>Optional</b></td></tr></table></td>');
 3185:         foreach my $tool (@{$showtools}) {
 3186:             if (exists($$usertools{$user}{$tool})) {
 3187:                 $r->print('<td valign="top"><table><tr><th colspan="2">'.$tool.'</th></tr>');
 3188:                 my $privcount = 0;
 3189:                 my $fixed = '';
 3190:                 my $dynamic = '';
 3191:                 foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
 3192:                     if (exists($$fixedprivs{$tool}{$priv})) {
 3193:                         $fixed .= '<input type="hidden" name="userpriv_'.$priv.'" value="'.$user.'" />'.$$toolprivs{$tool}{$priv}.'&nbsp;';
 3194:                     } else {
 3195:                         $privcount ++;
 3196:                         if ($privcount == 3) {
 3197:                             $dynamic .= '</tr><tr>';
 3198:                         }
 3199:                         $dynamic .='<td><nobr><label><input type="checkbox" '.
 3200:                                'name="userpriv_'.$priv.'" value="'.$user.'"';
 3201:                         if (grep/^\Q$priv\E$/,@{$defprivs}) {
 3202:                             $dynamic .= ' checked="checked" ';
 3203:                         }
 3204:                         $dynamic .= ' />'.$$toolprivs{$tool}{$priv}.
 3205:                                     '</label></nobr></td>';
 3206:                     }
 3207:                 }
 3208:                 $r->print('<tr><td colspan="2"><nobr>'.$fixed.'</nobr></td></tr><tr>'.$dynamic.'</tr></table></td>');
 3209:             } else {
 3210:                 $r->print('<td valign="top"><table width="100%"><tr><th colspan="2">'.$tool.'</th></tr><tr><td>&nbsp;</td></tr><tr><td>&nbsp;</td></tr></table></td>');
 3211:             }
 3212:         }
 3213:         $r->print(&Apache::loncommon::end_data_table_row());
 3214:     }
 3215: }
 3216: 
 3217: sub get_dates_from_form {
 3218:     my $startdate;
 3219:     my $enddate;
 3220:     $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
 3221:     $enddate   = &Apache::lonhtmlcommon::get_date_from_form('enddate');
 3222:     if ( exists ($env{'form.no_end_date'}) ) {
 3223:         $enddate = 0;
 3224:     }
 3225:     return ($startdate,$enddate);
 3226: }
 3227: 
 3228: sub date_setting_table {
 3229:     my ($starttime,$endtime,$formname) = @_;
 3230:     my $startform = &Apache::lonhtmlcommon::date_setter($formname,
 3231:                                                       'startdate',$starttime);
 3232:     my $endform = &Apache::lonhtmlcommon::date_setter($formname,
 3233:                                                       'enddate',$endtime);
 3234:     my $perpetual = 
 3235: 	'<nobr><label><input type="checkbox" name="no_end_date" />'.
 3236: 	&mt('None').'</label></nobr>';
 3237:     my $table = "<table class=\"LC_descriptive_input\">\n".
 3238: 	'<tr><td class="LC_description">'.&mt('Start:').'</td>'.
 3239:         '<td>'.$startform.'</td>'.
 3240:         '<td>&nbsp;</td>'."</tr>\n".
 3241: 	'<tr><td class="LC_description">'.&mt('End:').'</td>'.
 3242:         '<td>'.$endform.'</td>'.
 3243:         '<td>'.$perpetual.'</td>'."</tr>\n".
 3244: 	"</table>\n";
 3245:     return $table;
 3246: }
 3247: 
 3248: sub add_group_folder {
 3249:     my ($cdom,$cnum,$now,$groupname,$action,$description,$tools,$groupinfo,
 3250:         $gpterm,$ucgpterm,$crstype) = @_;
 3251:     if ($cdom eq '' || $cnum eq '') {
 3252:         return &mt('Error: invalid course domain or number - group folder creation failed');  
 3253:     }
 3254:     my ($outcome,$allgrpsmap,$grpmap,$boardsmap,$grppage);
 3255:     my $navmap = Apache::lonnavmaps::navmap->new();
 3256:     my $crspath = '/uploaded/'.$cdom.'/'.$cnum.'/';
 3257:     $allgrpsmap = $crspath.'group_allfolders.sequence';
 3258:     my $topmap = $navmap->getResourceByUrl($allgrpsmap);
 3259:     undef($navmap);
 3260:     if ($action eq 'create') {
 3261:     # check if group_allfolders.sequence exists.
 3262:         if (!$topmap) {
 3263:             my $grpstitle = &mt('[_1] [_2]s',$crstype,$ucgpterm);
 3264:             my $topmap_url = '/'.$env{'course.'.$env{'request.course.id'}.'.url'};
 3265:             $topmap_url =~ s|/+|/|g;
 3266:             if ($topmap_url =~ m|^/uploaded|) {
 3267:                 $outcome = &map_updater($cdom,$cnum,'group_allfolders.sequence',
 3268:                                         'toplevelgroup',$grpstitle,$topmap_url);
 3269:                 if ($outcome ne 'ok') {
 3270:                     return $outcome;
 3271:                 }
 3272:             } else {
 3273:                 $outcome = &mt('Non-standard course - folder for all groups not added.');
 3274:                 return $outcome;
 3275:             }
 3276:         }
 3277:         my $grpfolder = &mt('[_1] Folder -',$ucgpterm,).$description;
 3278:         $grppage='/adm/'.$cdom.'/'.$cnum.'/'.$groupname.'/smppg';
 3279:         my $grptitle = &mt('Group homepage').' - '.$description;
 3280:         my ($seqid,$discussions,$disctitle);
 3281:         my $outcome = &map_updater($cdom,$cnum,'group_folder_'.$groupname.'.sequence',
 3282:                                    'grpseq',$grpfolder,$allgrpsmap,$grppage,
 3283:                                    $grptitle);
 3284:         if ($outcome ne 'ok') {
 3285:             return $outcome;
 3286:         }
 3287:         my $pageout = &create_homepage($cdom,$cnum,$groupname,$groupinfo,
 3288:                                        $tools,$gpterm,$ucgpterm,$now);
 3289:         # Link to folder for bulletin boards
 3290:         $grpmap = $crspath.'group_folder_'.$groupname.'.sequence';
 3291:         if (grep/^discussion$/,@{$tools}) {
 3292:             $seqid = $now + 1;
 3293:             $disctitle = &mt('Discussion Boards');
 3294:             my $outcome = &map_updater($cdom,$cnum,'group_boards_'.$groupname.
 3295:                                        '.sequence','bbseq',$disctitle,$grpmap);
 3296:             if ($outcome ne 'ok') {
 3297:                 return $outcome;
 3298:             }
 3299:             $boardsmap = $crspath.'group_boards_'.$groupname.'.sequence';
 3300:         }
 3301:     } else {
 3302:         #modify group folder if status of discussions tools is changed
 3303:     }
 3304:     my ($furl,$ferr)= &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
 3305:     $navmap = Apache::lonnavmaps::navmap->new();
 3306:     # modify parameters
 3307:     my $parm_result;
 3308:     if ($action eq 'create') {
 3309:         if ($allgrpsmap) { 
 3310:             $parm_result .= &parm_setter($navmap,$cdom,$allgrpsmap,$groupname);
 3311:         }
 3312:         if ($grpmap) {
 3313:             $parm_result .= &parm_setter($navmap,$cdom,$grpmap,$groupname);
 3314:         }
 3315:         if ($grppage) {
 3316:             $parm_result .= &parm_setter($navmap,$cdom,$grppage,$groupname);
 3317:         }
 3318:         if ($boardsmap) {
 3319:             $parm_result .= &parm_setter($navmap,$cdom,$boardsmap,$groupname);
 3320:         }
 3321:     }
 3322:     if ($parm_result) {
 3323:         return $parm_result;
 3324:     } else {
 3325:         return 'ok';
 3326:     }
 3327: }
 3328: 
 3329: sub map_updater {
 3330:     my ($cdom,$cnum,$newfile,$itemname,$itemtitle,$parentmap,$startsrc,
 3331:         $starttitle,$endsrc,$endtitle) = @_;
 3332:     my $outcome;
 3333:     $env{'form.'.$itemname} = &new_map($startsrc,$starttitle,$endsrc,
 3334:                                        $endtitle);
 3335:     my $newmapurl=&Apache::lonnet::finishuserfileupload($cnum,$cdom,$itemname,
 3336:                                                         $newfile);
 3337:     if ($newmapurl !~ m|^/uploaded|) {
 3338:         $outcome = &mt('Error uploading new folder.')." ($newfile): $newmapurl".'<br />';
 3339:         return $outcome;
 3340:     } 
 3341:     my ($errtext,$fatal)=&Apache::lonratedt::mapread($parentmap);
 3342:     if ($fatal) {
 3343:         $outcome = &mt('Error reading contents of parent folder')." ($parentmap): $errtext".'<br />';
 3344:         return $outcome;
 3345:     } else {
 3346:         my $newidx=&Apache::lonratedt::getresidx($newmapurl);
 3347:         $Apache::lonratedt::resources[$newidx] = $itemtitle.':'.$newmapurl.
 3348:                                                  ':false:normal:res';
 3349:         $Apache::lonratedt::order[1+$#Apache::lonratedt::order]=$newidx;
 3350:         my ($outtext,$errtext) = &Apache::lonratedt::storemap($parentmap,1);
 3351:         if ($errtext) {
 3352:             $outcome = &mt('Error storing updated parent folder')." ($parentmap):  $errtext".'<br />';
 3353:             return $outcome;
 3354:         }
 3355:     }
 3356:     return 'ok';
 3357: }
 3358: 
 3359: sub new_map {
 3360:     my ($startsrc,$starttitle,$endsrc,$endtitle) = @_;
 3361:     my $newmapstr = '
 3362: <map>
 3363:  <resource id="1" src="'.$startsrc.'" type="start" title="'.$starttitle.'"></resource>
 3364:  <link from="1" to="2" index="1"></link>
 3365:  <resource id="2" src="'.$endsrc.'" type="finish" title="'.$endtitle.'"></resource>
 3366: </map>
 3367: ';
 3368:     return $newmapstr;
 3369: }
 3370: 
 3371: sub parm_setter {
 3372:     my ($navmap,$cdom,$url,$groupname) = @_;
 3373:     my $allresults;
 3374:     my %hide_settings = (
 3375:                            'course' =>  {
 3376:                                           'num' => 13,
 3377:                                           'set' => 'yes',
 3378:                                         },
 3379:                             'group' =>  {
 3380:                                           'num' => 5,
 3381:                                           'set' => 'no',
 3382:                                           'extra' => $groupname,
 3383:                                         },
 3384:                         );
 3385:     my $res = $navmap->getResourceByUrl($url);
 3386:     my $symb = $res->symb();
 3387:     foreach my $level (keys(%hide_settings)) {
 3388:         my $parmresult =  &Apache::lonparmset::storeparm_by_symb($symb,
 3389:                                                  '0_hiddenresource',
 3390:                                                  $hide_settings{$level}{'num'},
 3391:                                                  $hide_settings{$level}{'set'},
 3392:                                                  'string_yesno',undef,$cdom,
 3393:                                                  undef,undef,
 3394:                                                  $hide_settings{$level}{'extra'});
 3395:         if ($parmresult) {
 3396:             $allresults .= $level.': '.$parmresult;
 3397:         }
 3398:     }
 3399:     return $allresults;
 3400: }
 3401: 
 3402: sub create_homepage {
 3403:     my ($cdom,$cnum,$name,$groupinfo,$tools,$gpterm,$ucgpterm,$now) = @_;
 3404:     my $functionality = join(',',@{$tools});
 3405:     my $content = &unescape($$groupinfo{description});
 3406:     $content=~s/\s+$//s;
 3407:     $content=~s/^\s+//s;
 3408:     $content=~s/\<br\s*\/*\>$//s;
 3409:     $content=&Apache::lonfeedback::clear_out_html($content,1);
 3410: 
 3411:     my %pageinfo = (
 3412:                      'aaa_title' => "$ucgpterm: $name",
 3413:                      'abb_links' => $functionality,
 3414:                      'bbb_content' => $content,
 3415:                      'ccc_webreferences' => '',
 3416:                      'uploaded.lastmodified' => $now,
 3417:                    );
 3418:    my $putresult = &Apache::lonnet::put('grppage_'.$name,\%pageinfo,$cdom,$cnum);
 3419:    return $putresult;
 3420: }
 3421: 
 3422: sub check_uncheck_tools {
 3423:     my ($r,$available) = @_;
 3424:     if (ref($available) eq 'ARRAY') { 
 3425:         $r->print('
 3426: <script type="text/javascript">
 3427: function checkAllTools(formname) {
 3428: ');
 3429:         foreach my $tool (@{$available}) {
 3430:             $r->print('  checkAll(formname.user_'.$tool.');'."\n");
 3431:         }
 3432:         $r->print(' checkAll(formname.togglefunc);'."\n");
 3433:         $r->print('
 3434: }
 3435: function uncheckAllTools(formname) {
 3436: ');
 3437:         foreach my $tool (@{$available}) {
 3438:             $r->print('  uncheckAll(formname.user_'.$tool.');'."\n");
 3439:         }
 3440:         $r->print(' uncheckAll(formname.togglefunc);'."\n");
 3441:         $r->print('
 3442: }
 3443: function toggleTools(field,caller) {
 3444:      if (caller.checked) {
 3445:          checkAll(field);
 3446:      } else {
 3447:          uncheckAll(field);
 3448:      }
 3449:      return;   
 3450: }
 3451: </script>
 3452: ');
 3453:     }
 3454:     return;
 3455: }
 3456: 
 3457: sub validate_groupname {
 3458:     my ($groupname,$action,$cdom,$cnum,$gpterm,$ucgpterm,$crstype) = @_;
 3459:     my %sectioncount = &Apache::loncommon::get_sections($cdom,$cnum);
 3460:     my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
 3461: 
 3462:     my %lt = &Apache::lonlocal::texthash (
 3463:                       igna => "Invalid $gpterm name",
 3464:                       tgne => "The $gpterm name entered ",
 3465:                       grna => "$ucgpterm names and section names used in a ".
 3466:                                "$crstype must be unique.",
 3467:                       isno => "is not a valid name.",
 3468:                       gnmo => "$ucgpterm names may only contain letters, ". 
 3469:                               "numbers or underscores.",
 3470:                       cnnb => "can not be used as it is the name of ",
 3471:                       inth => " in this $crstype", 
 3472:                       thgr => "- does not correspond to the name of an ".
 3473:                               "existing $gpterm",    
 3474:     );
 3475: 
 3476:     my $exitmsg = '<span class="LC_error">'.$lt{'igna'}.'</span><br /><br />'.
 3477: 	$lt{'tgne'}.' "'.$groupname.'" ';
 3478:     my $dupmsg = $lt{'grna'};
 3479:     my $earlyout;
 3480:     if (($groupname eq '') || ($groupname =~ /\W/)) {
 3481:         $earlyout = $exitmsg.$lt{'isno'}.'<br />'.$lt{'gnmo'};
 3482:         return $earlyout;
 3483:     }
 3484:     if (exists($sectioncount{$groupname})) {
 3485: 	return $exitmsg.$lt{'cnnb'}.&mt('a section').$lt{'inth'}.
 3486: 	    '<br />'.$lt{'grna'};
 3487:     }
 3488:     if ($action eq 'create' 
 3489: 	&& exists($curr_groups{$groupname})) {
 3490: 
 3491: 	return $exitmsg.$lt{'cnnb'}.&mt('an existing [_1]',$gpterm).
 3492: 	    $lt{'inth'}.'<br />'.$lt{'grna'};
 3493: 
 3494:     } elsif ($action eq 'modify') {
 3495:         unless(exists($curr_groups{$groupname})) {
 3496:             $earlyout = &mt('[_1] name:',$ucgpterm).' '.$groupname.$lt{'thgr'}.
 3497:                         $lt{'inth'};
 3498:             return $earlyout;
 3499:         }
 3500:     }
 3501:     return;
 3502: }
 3503: 
 3504: sub topic_bar {
 3505:     my ($r,$imgnum,$title) = @_;
 3506:     $r->print('
 3507: <div class="LC_topic_bar">
 3508:     <img alt="'.&mt('Step [_1]',$imgnum).
 3509: 	      '"src="/res/adm/pages/bl_step'.$imgnum.'.gif" />&nbsp;
 3510:     <span>'.$title.'</span>
 3511: </div>
 3512: ');
 3513:     return;
 3514: }
 3515: 
 3516: sub check_changes {
 3517:     my ($member_changes,$memchg) = @_;
 3518:     my %exclusions;
 3519:     @{$exclusions{'changefunc'}} = ('expire');
 3520:     @{$exclusions{'changepriv'}} = ('expire','changefunc');
 3521: 
 3522:     foreach my $change (@{$member_changes}) {
 3523:         if ($change eq 'deletion') {
 3524:             next;
 3525:         }
 3526:         my @checks = ('deletion');
 3527:         if (exists($exclusions{$change})) {
 3528:             push(@checks,@{$exclusions{$change}});
 3529:         }
 3530:         my @temp = ();
 3531:         foreach my $item (@{$$memchg{$change}}) {
 3532:             my $match = 0;
 3533:             foreach my $check (@checks) {
 3534:                 if (defined($$memchg{$check})) { 
 3535:                     if (ref(@{$$memchg{$check}}) eq 'ARRAY') {
 3536:                         if (@{$$memchg{$check}} > 0) {
 3537:                             if (grep/^$item$/,@{$$memchg{$check}}) {
 3538:                                 $match = 1;
 3539:                                 last;
 3540:                             }
 3541:                         }
 3542:                     }
 3543:                 }
 3544:             }
 3545:             if ($match) {
 3546:                 next;
 3547:             }
 3548:             push(@temp,$item);
 3549:         }
 3550:         @{$$memchg{$change}} = @temp;
 3551:     }
 3552: }
 3553: 
 3554: 1;

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