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loncoursegroups.pm
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Wed May 2 01:33:48 2007 UTC (16 years, 11 months ago) by
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# The LearningOnline Network with CAPA
#
# $Id: loncoursegroups.pm,v 1.70 2007/05/02 01:33:48 albertel Exp $
#
# Copyright Michigan State University Board of Trustees
#
# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
#
# LON-CAPA is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# LON-CAPA is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with LON-CAPA; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#
# /home/httpd/html/adm/gpl.txt
#
# http://www.lon-capa.org/
#
package Apache::loncoursegroups;
use strict;
use Apache::lonnet;
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::lonlocal;
use Apache::lonnavmaps();
use Apache::longroup();
use Apache::portfolio();
use Apache::Constants qw(:common :http);
use LONCAPA::map();
use lib '/home/httpd/lib/perl/';
use LONCAPA;
sub handler {
my ($r) = @_;
&Apache::loncommon::content_type($r,'text/html');
$r->send_http_header;
if ($r->header_only) {
return OK;
}
# Needs to be in a course
if (! ($env{'request.course.fn'})) {
# Not in a course
$env{'user.error.msg'}=
"/adm/coursegroups:mdg:0:0:Cannot edit or view course groups";
return HTTP_NOT_ACCEPTABLE;
}
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['action','refpage','state','groupname','branch']);
my $cdom = $env{'course.'.$env{'request.course.id'}.'.domain'};
my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
my $view_permission =
&Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
my $manage_permission =
&Apache::lonnet::allowed('mdg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
&Apache::lonhtmlcommon::clear_breadcrumbs();
my $gpterm = &Apache::loncommon::group_term();
my $ucgpterm = $gpterm;
$ucgpterm =~ s/^(\w)/uc($1)/e;
my $crstype = &Apache::loncommon::course_type();
my %functions = (
email => 'E-mail',
discussion => 'Discussion boards',
chat => 'Chat',
files => 'File repository',
roster => 'Membership roster',
homepage => $ucgpterm.' home page',
);
my %idx = ();
$idx{id} = &Apache::loncoursedata::CL_ID();
$idx{fullname} = &Apache::loncoursedata::CL_FULLNAME();
$idx{udom} = &Apache::loncoursedata::CL_SDOM();
$idx{uname} = &Apache::loncoursedata::CL_SNAME();
$idx{section} = &Apache::loncoursedata::CL_SECTION();
my $action = $env{'form.action'};
my $state = $env{'form.state'};
if ((!defined($action)) || ($action eq 'view') || ($action eq 'modify') || ($action eq 'delete') || ($action eq 'reenable')) {
if (!defined($state)) {
$state = 'view';
}
}
if ($action eq 'create' || $action eq 'modify' || $action eq 'view' ||
$action eq 'delete' || $action eq 'reenable') {
if ($view_permission || $manage_permission) {
if ($state eq 'view') {
&print_main_menu($r,$cdom,$cnum,\%functions,\%idx,
$view_permission,$manage_permission,
$action,$state,$gpterm,$ucgpterm,$crstype);
} else {
&group_administration($r,$action,$state,$cdom,$cnum,
\%functions,\%idx,$view_permission,
$manage_permission,$gpterm,$ucgpterm,
$crstype);
}
} else {
$r->print(&mt('You do not have [_1] administration '.
'privileges in this [_2]',$gpterm,lc($crstype)));
}
} else {
&print_main_menu($r,$cdom,$cnum,\%functions,\%idx,$view_permission,
$manage_permission,$action,$state,$gpterm,$ucgpterm,
$crstype);
}
return OK;
}
sub print_main_menu {
my ($r,$cdom,$cnum,$functions,$idx,$view_permission,$manage_permission,
$action,$state,$gpterm,$ucgpterm,$crstype) = @_;
my $jscript = qq|
function changeSort(caller) {
document.$state.sortby.value = caller;
document.$state.submit();
}
function openGroupRoster(group,status) {
var url = '/adm/grouproster?';
url += 'group='+group+'&status='+status+'&ref=popup';
var title = 'Group Membership';
var options = 'scrollbars=1,resizable=1,menubar=0';
options += ',width=700,height=600';
rosterbrowser = open(url,title,options,'1');
rosterbrowser.focus();
}\n|;
$r->print(&header('Groups',$jscript,$action,$state));
if ($env{'form.refpage'} eq 'enrl') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/dropadd",
text=>"Enrollment Manager"});
}
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/coursegroups",
text=>"Groups"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs('Groups'));
&display_groups($r,$cdom,$cnum,$functions,$idx,$view_permission,
$manage_permission,$action,$state,$gpterm,$ucgpterm,
$crstype);
$r->print(&footer());
return;
}
sub display_groups {
my ($r,$cdom,$cnum,$functions,$idx,$view_permission,
$manage_permission,$action,$state,$gpterm,$ucgpterm,$crstype) = @_;
my %curr_groups = ();
my %grp_info = ();
my %actionlinks = (
modify => '<a href="/adm/coursegroups?action=modify&refpage='.
$env{'form.refpage'}.'&state=pick_task&groupname=',
view => '<a href="/adm/'.$cdom.'/'.$cnum.'/',
delete => '<a href="/adm/coursegroups?action=delete&refpage='.
$env{'form.refpage'}.'&state=verify&groupname=',
reenable => '<a href="/adm/coursegroups?action=reenable&refpage='.
$env{'form.refpage'}.'&state=verify&groupname=',
);
my %lt = &Apache::lonlocal::texthash(
modify => 'Modify',
view => 'View',
delete => 'Delete',
reenable => 'Re-enable',
act => 'Action',
gname => 'Group Name',
desc => 'Group Title',
crea => 'Creator',
crtd => 'Created',
last => 'Last Modified',
func => 'Collaborative Tools',
quot => 'Quota (Mb)',
memb => 'Members',
file => 'Files',
dibd => 'Discussion Boards',
dius => 'Disk Use (%)',
nogr => 'No groups exist.',
crng => 'Create a new group',
alth => 'Although your current role has privileges'.
' to view any existing groups in this '.
lc($crstype).', you do not have privileges '.
'to create new groups.',
);
if ($view_permission) {
if (!defined($action)) {
$action = 'view';
}
my $status;
if ($action eq 'reenable') {
$status = 'deleted_groups';
}
my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,undef,
$status);
if (%curr_groups) {
if ($manage_permission) {
if (!exists($env{'form.refpage'})) {
$r->print('<br /><a href="/adm/coursegroups?action=create">'.$lt{'crng'}.'</a>');
}
}
$r->print('<br /><br />');
$r->print(&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row());
$r->print(<<"END");
<th>$lt{'act'}</th>
<th><a href="javascript:changeSort('groupname')">$lt{'gname'}</a></th>
<th><a href="javascript:changeSort('description')">$lt{'desc'}</a></th>
<th><a href="javascript:changeSort('creator')">$lt{'crea'}</a></th>
<th><a href="javascript:changeSort('creation')">$lt{'crtd'}</a></th>
<th><a href="javascript:changeSort('modified')">$lt{'last'}</a></th>
<th>$lt{'func'}</b></td>
<th><a href="javascript:changeSort('quota')">$lt{'quot'}</a></th>
<th><a href="javascript:changeSort('totalmembers')">$lt{'memb'}</a></th>
<th><a href="javascript:changeSort('totalfiles')">$lt{'file'}</a></th>
<th><a href="javascript:changeSort('boards')">$lt{'dibd'}</a></th>
<th><a href="javascript:changeSort('diskuse')">$lt{'dius'}</a></th>
END
$r->print(&Apache::loncommon::end_data_table_header_row());
my %Sortby = ();
foreach my $group (sort(keys(%curr_groups))) {
%{$grp_info{$group}} =
&Apache::longroup::get_group_settings(
$curr_groups{$group});
my $members_result = &group_members($cdom,$cnum,$group,
\%grp_info);
my $port_path = '/userfiles/groups/'.$group.'/portfolio';
my $port_dir = &Apache::loncommon::propath($cdom,$cnum).$port_path;
my $totaldirs = 0;
my $totalfiles = 0;
&group_files($group,$port_dir,\$totalfiles,\$totaldirs);
$grp_info{$group}{'totalfiles'} = $totalfiles;
$grp_info{$group}{'totaldirs'} = $totaldirs;
my $diskuse = &Apache::lonnet::diskusage($cdom,$cnum,$port_dir);
if ($grp_info{$group}{'quota'} > 0) {
my $pct_use = 0.1 * $diskuse/$grp_info{$group}{'quota'};
$grp_info{$group}{'diskuse'} = sprintf("%.0f",$pct_use);
} else {
$grp_info{$group}{'diskuse'} = 'N/A';
}
my ($groupboards,$boardshash)=&Apache::longroup::get_group_bbinfo(
$cdom,$cnum,$group);
$grp_info{$group}{'boards'} = scalar(@{$groupboards});
if ($env{'form.sortby'} eq 'groupname') {
push(@{$Sortby{$group}},$group);
} elsif ($env{'form.sortby'} eq 'description') {
push(@{$Sortby{$grp_info{$group}{'description'}}},$group);
} elsif ($env{'form.sortby'} eq 'creator') {
push(@{$Sortby{$grp_info{$group}{'creator'}}},$group);
} elsif ($env{'form.sortby'} eq 'creation') {
push(@{$Sortby{$grp_info{$group}{'creation'}}},$group);
} elsif ($env{'form.sortby'} eq 'modified') {
push(@{$Sortby{$grp_info{$group}{'modified'}}},$group);
} elsif ($env{'form.sortby'} eq 'quota') {
push(@{$Sortby{$grp_info{$group}{'quota'}}},$group);
} elsif ($env{'form.sortby'} eq 'totalmembers') {
push(@{$Sortby{$grp_info{$group}{'totalmembers'}}},
$group);
} elsif ($env{'form.sortby'} eq 'totalfiles') {
push(@{$Sortby{$grp_info{$group}{'totalfiles'}}},$group);
} elsif ($env{'form.sortby'} eq 'boards') {
push(@{$Sortby{$grp_info{$group}{'boards'}}},$group);
} elsif ($env{'form.sortby'} eq 'diskuse') {
push(@{$Sortby{$grp_info{$group}{'diskuse'}}},$group);
} else {
push(@{$Sortby{$group}},$group);
}
}
foreach my $key (sort(keys(%Sortby))) {
foreach my $group (@{$Sortby{$key}}) {
my $description =
&unescape($grp_info{$group}{'description'});
my $creator = $grp_info{$group}{'creator'};
my $creation = $grp_info{$group}{'creation'};
my $modified = $grp_info{$group}{'modified'};
my $quota = $grp_info{$group}{'quota'};
my $totalmembers = $grp_info{$group}{'totalmembers'};
my $totalfiles = $grp_info{$group}{'totalfiles'};
my $totaldirs = $grp_info{$group}{'totaldirs'};
my $boards = $grp_info{$group}{'boards'};
my $diskuse = $grp_info{$group}{'diskuse'};
my $functionality;
foreach my $tool (sort(keys(%{$functions}))) {
if ($grp_info{$group}{functions}{$tool} eq 'on') {
$functionality .= ' '.$tool;
}
}
if (!$functionality) {
$functionality = &mt('None available');
}
my $link = $actionlinks{$action};
if ($action eq 'modify' || $action eq 'delete' ||
$action eq 'reenable') {
$link .= $group;
} else {
$link .= $group.'/smppg?ref=grouplist';
if (exists($env{'form.refpage'})) {
$link .= '&refpage='.$env{'form.refpage'};
}
}
$link .= '">'.$lt{$action}.'</a>';
if ($action eq 'view') {
if (($manage_permission) &&
($env{'form.refpage'} ne 'enrl')) {
$link .= ' '.$actionlinks{'modify'}.
$group.'">'.$lt{'modify'}.'</a>'.
' '.$actionlinks{'delete'}.
$group.'">'.$lt{'delete'}.'</a>';
}
}
$r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense').
'<td>'.$link.'</td>'.
'<td>'.$group.'</td>'.
'<td>'.$description.'</td>'.
'<td>'.$creator.'</td>'.
'<td>'. &Apache::lonnavmaps::timeToHumanString($creation).'</td>'.
'<td>'. &Apache::lonnavmaps::timeToHumanString($modified).'</td>'.
'<td>'.$functionality.'</td>'.
'<td align="right">'.$quota.'</td>'.
'<td align="right">'.$totalmembers.'</td>'.
'<td align="right"><nobr>'.&mt('Files: ').$totalfiles.'</nobr><br /><nobr>'.&mt('Folders: ').$totaldirs.'</nobr></td>'.
'<td align="right">'.$boards.'</td>'.
'<td align="right">'.$diskuse.'</td>'.
&Apache::loncommon::end_data_table_row());
}
}
$r->print(&Apache::loncommon::end_data_table());
$r->print('<input type="hidden" name="refpage" '.
'value="'.$env{'form.refpage'}.'" />');
if ($action eq 'view') {
if (!defined($state)) {
$state = 'view';
}
$r->print('<input type="hidden" name="state" value="'.
$state.'" />');
}
} else {
$r->print($lt{'nogr'});
if ($manage_permission) {
if (!exists($env{'form.refpage'})) {
$r->print('<br /><br /><a href="/adm/coursegroups?action=create">'.$lt{'crng'}.'</a>');
}
} else {
$r->print('<br /><br />'.$lt{'alth'});
}
}
} else {
my @coursegroups = split(/:/,$env{'request.course.groups'});
if (@coursegroups > 0) {
$r->print('<br /><br />');
my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
if (%curr_groups) {
foreach my $group (@coursegroups) {
my %group_info = &Apache::longroup::get_group_settings(
$curr_groups{$group});
my $description = &unescape(
$group_info{description});
$r->print('<font size="+1"><a href="/adm/'.$cdom.'/'.$cnum.'/'.$group.'/smppg?ref=grouplist">'.$group,'</a><font><br /><small>'.$description.'</small><br /><br />');
}
}
} else {
$r->print(&mt('You are not currently a member of any '.
'active [_1]s in this [_2]',$gpterm,
lc($crstype)));
}
}
return;
}
sub group_administration {
my ($r,$action,$state,$cdom,$cnum,$functions,$idx,$view_permission,
$manage_permission,$gpterm,$ucgpterm,$crstype) = @_;
my %sectioncount = ();
my @tools = ();
my @types = ();
my @roles = ();
my @sections = ();
my @buildsections = ();
my %users = ();
my %userdata = ();
my @members = ();
my %usertools = ();
my %stored = ();
my %memchg;
my @member_changes = ('deletion','expire','activate','reenable',
'changefunc','changepriv');
my ($groupname,$description,$startdate,$enddate,$granularity,$specificity,
$quota,$validate_script);
if (defined($env{'form.groupname'})) {
$groupname = $env{'form.groupname'};
}
if (($action eq 'create') && ($state eq '')) {
$state = 'pick_name';
}
if (($action eq 'create') ||
(($action eq 'modify') && ($state eq 'chgresult'))) {
($startdate,$enddate) = &get_dates_from_form();
if (defined($env{'form.description'})) {
$description = $env{'form.description'};
}
if (defined($env{'form.tool'})) {
@tools=&Apache::loncommon::get_env_multiple('form.tool');
}
if (defined($env{'form.granularity'})) {
$granularity=$env{'form.granularity'};
}
if (defined($env{'form.specificity'})) {
$specificity=$env{'form.specificity'};
}
if (defined($env{'form.quota'})) {
$quota=$env{'form.quota'};
}
}
if (($action eq 'create') || (($action eq 'modify')
&& (($state eq 'pick_privs') || ($state eq 'addresult')))) {
if (defined($env{'form.member'})) {
@members = &Apache::loncommon::get_env_multiple('form.member');
foreach my $user (@members) {
%{$usertools{$user}} = ();
}
}
}
if ($action eq 'modify') {
if ($state eq '') {
if (defined($env{'form.groupname'})) {
$state = 'pick_task';
}
} else {
%stored = &retrieve_settings($cdom,$cnum,$groupname,$action);
if (ref($stored{'types'}) eq 'ARRAY') {
@types = @{$stored{'types'}};
}
if (ref($stored{'roles'}) eq 'ARRAY') {
@roles = @{$stored{'roles'}};
}
if (ref($stored{'sectionpick'}) eq 'ARRAY') {
@sections = @{$stored{'sectionpick'}};
}
unless ($state eq 'chgresult') {
if (ref($stored{'tool'}) eq 'ARRAY') {
@tools = @{$stored{'tool'}};
}
$startdate = $stored{'startdate'};
$enddate = $stored{'enddate'};
$description = $stored{'description'};
$granularity = $stored{'granularity'};
$specificity = $stored{'specificity'};
$quota = $stored{'quota'};
}
}
}
my $toolprivs = &Apache::longroup::get_tool_privs($gpterm);
my $fixedprivs = &Apache::longroup::get_fixed_privs();
my %elements =
(
create => {
pick_name => {
startdate_month => 'selectbox',
startdate_hour => 'selectbox',
enddate_month => 'selectbox',
enddate_hour => 'selectbox',
startdate_day => 'text',
startdate_year => 'text',
startdate_minute => 'text',
startdate_second => 'text',
enddate_day => 'text',
enddate_year => 'text',
enddate_minute => 'text',
enddate_second => 'text',
groupname => 'text',
description => 'text',
quota => 'text',
tool => 'checkbox',
granularity => 'radio',
no_end_date => 'checkbox',
},
pick_members => {
member => 'checkbox',
defpriv => 'checkbox',
},
},
);
$elements{'modify'} = {
change_settings => {
%{$elements{'create'}{'pick_name'}},
specificity => 'radio',
defpriv => 'checkbox',
autorole => 'checkbox',
autoadd => 'radio',
autodrop => 'radio',
},
add_members => {
types => 'selectbox',
roles => 'selectbox',
},
};
if (ref($stored{'autorole'}) eq 'ARRAY') {
foreach my $role (@{$stored{'autorole'}}) {
unless ($role eq 'cc') {
$elements{'modify'}{'change_settings'}{'sec_'.$role} =
'selectbox';
}
}
}
if (($action eq 'create') && ($state eq 'pick_name')) {
$elements{'create'}{'pick_name'}{'types'} = 'selectbox';
$elements{'create'}{'pick_name'}{'roles'} = 'selectbox';
}
if ((($action eq 'create') &&
(($state eq 'pick_name') || ($state eq 'pick_privs'))) ||
(($action eq 'modify') && (($state eq 'change_settings') ||
($state eq 'add_members')))) {
%sectioncount = &Apache::loncommon::get_sections($cdom,$cnum);
$elements{'create'}{'pick_name'}{'sectionpick'} = 'selectbox';
$elements{'modify'}{'change_mapping'}{'sectionpick'} = 'selectbox';
$elements{'modify'}{'add_members'}{'sectionpick'} = 'selectbox';
}
if (($action eq 'create') ||
($action eq 'modify' && $state eq 'pick_members')) {
if (defined($env{'form.types'})) {
@types=&Apache::loncommon::get_env_multiple('form.types');
}
if (defined($env{'form.roles'})) {
@roles=&Apache::loncommon::get_env_multiple('form.roles');
}
if (defined($env{'form.sectionpick'})) {
@sections=&Apache::loncommon::get_env_multiple('form.sectionpick');
if (grep/^all$/,@sections) {
@buildsections = sort {$a cmp $b} keys(%sectioncount);
} else {
@buildsections = @sections;
}
}
}
if (($state eq 'pick_members') || ($state eq 'pick_privs') || ($state eq 'change_privs')) {
&build_members_list($cdom,$cnum,\@types,\@roles,\@buildsections,\%users,
\%userdata);
}
if ($state eq 'pick_members') {
if ((keys(%users) > 0) && (@tools > 0)) {
if ($granularity eq 'Yes') {
$elements{$action}{'pick_members'}{'togglefunc'} = 'checkbox';
}
foreach my $tool (@tools) {
if ($granularity eq 'Yes') {
$elements{$action}{'pick_members'}{'user_'.$tool} = 'checkbox';
}
}
$elements{$action}{'pick_members'}{'specificity'} = 'radio';
}
}
if ($state eq 'change_members') {
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
my $now = time;
my $num_expire = 0;
my $num_activate = 0;
my $num_reenable = 0;
my $num_deletion = 0;
my $numusers = 0;
foreach my $key (sort(keys(%membership))) {
if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
my $user = $1;
my($end,$start,@userprivs) = split(/:/,$membership{$key});
unless ($start == -1) {
$numusers ++;
$num_deletion ++;
if (($end > 0) && ($end < $now)) {
$num_reenable ++;
next;
} elsif (($start > $now)) {
$num_activate ++;
next;
} else {
$num_expire ++;
next;
}
next;
}
if ($num_reenable && $num_activate && $num_expire) {
last;
}
}
}
if ($num_deletion) {
$elements{$action}{'change_members'}{'deletion'} = 'checkbox';
}
if ($num_expire) {
$elements{$action}{'change_members'}{'expire'} = 'checkbox';
}
if ($num_activate) {
$elements{$action}{'change_members'}{'activate'} = 'checkbox';
}
if ($num_reenable) {
$elements{$action}{'change_members'}{'reenable'} = 'checkbox';
}
if ($numusers) {
if ($granularity eq 'Yes') {
$elements{$action}{'change_members'}{'togglefunc'} = 'checkbox';
}
foreach my $tool (@tools) {
if ($granularity eq 'Yes') {
$elements{$action}{'change_members'}{'user_'.$tool} = 'checkbox';
}
}
if ($specificity eq 'Yes') {
$elements{$action}{'change_members'}{'changepriv'} = 'checkbox';
}
}
}
if (($state eq 'pick_privs') || ($state eq 'change_privs') ||
(($specificity eq 'No') &&
($state eq 'memresult' || $state eq 'result' || $state eq 'addresult'))) {
foreach my $tool (@tools) {
my @values = &Apache::loncommon::get_env_multiple('form.user_'.$tool);
foreach my $user (@values) {
if ($state eq 'pick_privs' || $state eq 'result'
|| $state eq 'addresult') {
if (!grep(/^\Q$user\E$/,@members)) {
next;
}
}
unless(exists($usertools{$user}{$tool})) {
$usertools{$user}{$tool} = 1;
}
}
}
}
if (($action eq 'modify') && (($state eq 'change_privs') || ($state eq 'memresult'))) {
foreach my $chg (@member_changes) {
if (defined($env{'form.'.$chg})) {
@{$memchg{$chg}} = &Apache::loncommon::get_env_multiple('form.'.$chg);
}
}
if ($state eq 'change_privs') {
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
my $now = time;
foreach my $key (sort(keys(%membership))) {
if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
my $user = $1;
my $changefunc = 0;
my ($end,$start,@userprivs) = split(/:/,$membership{$key});
unless ($start == -1) {
if (($end > 0) && ($end < $now)) {
unless (grep/^$user$/,$memchg{'reenable'}) {
next;
}
}
my @currtools = ();
if (@userprivs > 0) {
foreach my $tool (sort(keys(%{$fixedprivs}))) {
foreach my $priv (keys(%{$$fixedprivs{$tool}})) {
if (grep/^$priv$/,@userprivs) {
push(@currtools,$tool);
last;
}
}
}
}
foreach my $tool (@currtools) {
if (keys(%{$usertools{$user}}) > 0) {
if (!$usertools{$user}{$tool}) {
push(@{$memchg{'changefunc'}},$user);
$changefunc = 1;
last;
}
} else {
push(@{$memchg{'changefunc'}},$user);
$changefunc = 1;
}
}
if ($changefunc) {
next;
}
if (keys(%{$usertools{$user}}) > 0) {
foreach my $tool (keys(%{$usertools{$user}})) {
if (!grep/^$tool$/,@currtools) {
push(@{$memchg{'changefunc'}},$user);
$changefunc = 1;
last;
}
}
}
}
}
}
&check_changes(\@member_changes,\%memchg);
my %temptools;
foreach my $change (@member_changes) {
if (($change eq 'deletion') || ($change eq 'expire')) {
next;
}
foreach my $user (@{$memchg{$change}}) {
unless (exists($usertools{$user})) {
%{$usertools{$user}} = ();
}
%{$temptools{$user}} = %{$usertools{$user}};
}
}
%usertools = %temptools;
} elsif ($state eq 'memresult') {
foreach my $change (@member_changes) {
if ($change eq 'expire' || $change eq 'deletion') {
next;
}
if (ref($memchg{$change}) eq 'ARRAY') {
my @users = @{$memchg{$change}};
foreach my $user (@users) {
unless (exists($usertools{$user})) {
%{$usertools{$user}} = ();
}
}
}
}
}
}
if ((($state eq 'pick_privs') || ($state eq 'change_privs'))
&& ($specificity eq 'Yes')) {
foreach my $user (sort(keys(%usertools))) {
foreach my $tool (keys(%{$usertools{$user}})) {
foreach my $priv (keys(%{$$toolprivs{$tool}})) {
unless (exists($$fixedprivs{$tool}{$priv})) {
$elements{$action}{$state}{'userpriv_'.$priv} = 'checkbox';
}
}
}
}
}
if (($action eq 'create' && $state eq 'pick_name') ||
($action eq 'modify' && $state eq 'change_settings')) {
my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,\%stored);
my $space_trim = '/^\s*|\s*\$/g,""';
my $float_check = '/^([0-9]*\.?[0-9]*)$/';
$validate_script = '
var newquota = new String(document.'.$state.'.quota.value);
newquota.replace('.$space_trim.');
if (newquota == "" ) {
document.'.$state.'.quota.value = 0;
newquota = "0";
}
var maxposs = '.sprintf("%.2f",$maxposs).';
if (newquota > maxposs) {
alert("The file repository quota you entered for this group ("+newquota+" Mb) exceeds the maximum possible ("+maxposs+" Mb). Please enter a smaller number.");
return;
}
var re_quota = '.$float_check.';
var check_quota = newquota.match(re_quota);
if (check_quota == null) {
alert("The quota you entered contains invalid characters, the quota should only include numbers, with or without a decimal point.");
return;
}
if (newquota == 0) {
var warn_zero = 0;
for (var i=0; i<document.'.$state.'.tool.length; i++) {
if (document.'.$state.'.tool[i].value == "files") {
if (document.'.$state.'.tool[i].checked) {
warn_zero = 1;
}
}
}
if (warn_zero == 1) {
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.");
return;
}
}
';
}
my $jscript = &Apache::loncommon::check_uncheck_jscript();
$jscript .= qq|
function nextPage(formname,nextstate) {
formname.state.value= nextstate;
$validate_script
formname.submit();
}
function backPage(formname,prevstate) {
formname.state.value = prevstate;
formname.submit();
}
function changeSort(caller) {
document.$state.state.value = '$state';
document.$state.sortby.value = caller;
document.$state.submit();
}
|;
$jscript .= &Apache::lonhtmlcommon::set_form_elements(
\%{$elements{$action}{$state}},\%stored);
my $page = 0;
my %states = ();
my %branchstates = ();
@{$states{'create'}} = ('pick_name','pick_members','pick_privs','result');
@{$states{'modify'}} = ('pick_task');
@{$states{'delete'}} = ('verify','result');
@{$states{'reenable'}} = ('verify','result');
@{$branchstates{'noprivs'}} = ('result');
@{$branchstates{'settings'}} = ('change_settings','chgresult');
@{$branchstates{'members'}} = ('change_members','change_privs','memresult');
@{$branchstates{'adds'}} = ('add_members','pick_members','pick_privs',
'addresult');
if (defined($env{'form.branch'})) {
push (@{$states{$action}},@{$branchstates{$env{'form.branch'}}});
}
if (($action eq 'create') || ($action eq 'modify') || ($action eq 'delete') || ($action eq 'reenable')) {
my $done = 0;
my $i=0;
while ($i<@{$states{$action}} && !$done) {
if ($states{$action}[$i] eq $state) {
$page = $i;
$done = 1;
}
$i++;
}
}
my $loaditems = &onload_action($action,$state);
$r->print(&header("Groups Manager",
$jscript,$action,$state,$page,$loaditems));
if ($env{'form.refpage'} eq 'enrl') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/dropadd",
text=>"Enrollment Manager",
faq=>9,bug=>'Instructor Interface',});
if ($action eq 'modify' || $action eq 'delete') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/coursegroups?refpage=enrl&action=$action",
text=>"Groups",
faq=>9,bug=>'Instructor Interface',});
}
} else {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/coursegroups",
text=>"Groups",
faq=>9,bug=>'Instructor Interface',});
if ($env{'form.refpage'} eq 'grouplist') {
&Apache::lonhtmlcommon::add_breadcrumb
({href=>"/adm/$cdom/$cnum/$env{'form.groupname'}/smppg?ref=grouplist",
text=>"Group: $description",});
}
}
my %trail = ();
%{$trail{'create'}} = &Apache::lonlocal::texthash (
pick_name => $ucgpterm.' Settings',
pick_members => 'Select Members',
pick_privs => 'Choose Privileges',
result => 'Creation Complete',
);
%{$trail{'modify'}} = &Apache::lonlocal::texthash(
pick_task => 'Choose Task',
change_settings => "$ucgpterm Settings",
change_members => 'Modify/Delete Members',
change_privs => 'Change Privileges',
change_mapping => 'Membership Mapping',
add_members => 'Add Members',
pick_members => 'Select Members',
pick_privs => 'Choose Privileges',
chgresult => 'Setting Changes Complete',
memresult => 'Modifications Complete',
addresult => 'Additions Complete',
);
%{$trail{'delete'}} = &Apache::lonlocal::texthash(
verify => 'Verify deletion',
result => 'Deletion Complete'
);
%{$trail{'reenable'}} = &Apache::lonlocal::texthash(
verify => 'Verify Re-enable',
result => 'Re-enabled'
);
my %navbuttons = &Apache::lonlocal::texthash(
gtns => 'Go to next step',
gtps => 'Go to previous step',
crgr => 'Create '.$gpterm,
mose => 'Modify settings',
gtpp => 'Go to previous page',
adme => 'Add members',
);
if ((($action eq 'create') || ($action eq 'modify') || ($action eq 'delete') || ($action eq 'reenable')) &&
($manage_permission)) {
for (my $i=0; $i<@{$states{$action}}; $i++) {
if ($state eq $states{$action}[$i]) {
&Apache::lonhtmlcommon::add_breadcrumb(
{text=>"$trail{$action}{$state}"});
$r->print(&Apache::lonhtmlcommon::breadcrumbs
("Groups Manager","Creating_Groups"));
&display_control($r,$cdom,$cnum,$action,$state,$page,
\%sectioncount,$groupname,$description,$functions,
\@tools,$toolprivs,$fixedprivs,$startdate,$enddate,
\%users,\%userdata,$idx,\%memchg,\%usertools,
$view_permission,$manage_permission,
\%stored,$granularity,$quota,$specificity,\@types,\@roles,
\@sections,\%states,\%navbuttons,$gpterm,$ucgpterm,
$crstype);
last;
} else {
if (($action eq 'create') || ($action eq 'modify')) {
if (($state eq 'result') && ($i > 0)) {
&Apache::lonhtmlcommon::add_breadcrumb(
{href=>"javascript:backPage(document.$state,'$states{$action}[0]')",
text=>"$trail{$action}{$states{$action}[$i]}"});
} else {
&Apache::lonhtmlcommon::add_breadcrumb(
{href=>"javascript:backPage(document.$state,'$states{$action}[$i]')",
text=>"$trail{$action}{$states{$action}[$i]}"});
}
}
}
}
} elsif (($action eq 'view') && ($view_permission)) {
&Apache::lonhtmlcommon::add_breadcrumb(
{text=>"View $gpterm".'s'});
$r->print(&Apache::lonhtmlcommon::breadcrumbs
('Groups Manager'));
&display_groups($r,$cdom,$cnum,$functions,$idx,$view_permission,
$manage_permission,$action,$state,$gpterm,$ucgpterm,
$crstype);
}
$r->print(&footer());
return;
}
sub retrieve_settings {
my ($cdom,$cnum,$groupname,$action) = @_;
my %curr_groups;
my $namespace;
if ($action eq 'reenable') {
$namespace = 'deleted_groups';
} else {
$namespace = 'coursegroups';
}
%curr_groups = &Apache::longroup::coursegroups($cdom,$cnum,$groupname,
$namespace);
return if (!%curr_groups);
my %groupinfo =
&Apache::longroup::get_group_settings($curr_groups{$groupname});
my %stored;
$stored{'description'} =
&unescape($groupinfo{'description'});
$stored{'startdate'} = $groupinfo{'startdate'};
$stored{'enddate'} = $groupinfo{'enddate'};
if ($stored{'enddate'} == 0) {
$stored{'no_end_date'} = 1;
}
$stored{'granularity'} = $groupinfo{'granularity'};
$stored{'specificity'} = $groupinfo{'specificity'};
$stored{'creation'} = $groupinfo{'creation'};
$stored{'creator'} = $groupinfo{'creator'};
$stored{'quota'} = $groupinfo{'quota'};
foreach my $tool (sort(keys(%{$groupinfo{'functions'}}))) {
if ($groupinfo{functions}{$tool} eq 'on') {
push(@{$stored{tool}},$tool);
}
}
foreach my $role (@{$groupinfo{'roles'}}) {
push(@{$stored{roles}},$role);
}
foreach my $type (@{$groupinfo{'types'}}) {
push(@{$stored{types}},$type);
}
foreach my $section (@{$groupinfo{'sectionpick'}}) {
push(@{$stored{sectionpick}},$section);
}
foreach my $defpriv (@{$groupinfo{'defpriv'}}) {
push(@{$stored{defpriv}},$defpriv);
}
$stored{'autoadd'} = $groupinfo{'autoadd'};
$stored{'autodrop'} = $groupinfo{'autodrop'};
if (exists($groupinfo{'autosec'})) {
foreach my $role (sort(keys(%{$groupinfo{'autosec'}}))) {
if (ref($groupinfo{'autosec'}{$role}) eq 'ARRAY') {
foreach my $section (@{$groupinfo{'autosec'}{$role}}) {
push (@{$stored{'sec_'.$role}},$section);
}
if (@{$groupinfo{'autosec'}{$role}} > 0) {
push(@{$stored{'autorole'}},$role);
}
}
}
}
return %stored;
}
sub display_control {
my ($r,$cdom,$cnum,$action,$state,$page,$sectioncount,$groupname,
$description,$functions,$tools,$toolprivs,$fixedprivs,$startdate,
$enddate,$users,$userdata,$idx,$memchg,$usertools,
$view_permission,$manage_permission,$stored,$granularity,$quota,
$specificity,$types,$roles,$sections,$states,$navbuttons,
$gpterm,$ucgpterm,$crstype) = @_;
if ($action eq 'create') {
if ($state eq 'pick_name') {
&general_settings_form($r,$cdom,$cnum,$action,$state,$page,
$functions,$tools,$toolprivs,$fixedprivs,
$sectioncount,$stored,$states,$navbuttons,
$gpterm,$ucgpterm,$crstype);
} elsif ($state eq 'pick_members') {
&choose_members_form($r,$cdom,$cnum,$action,$state,$page,
$groupname,$description,$granularity,$quota,
$startdate,$enddate,$tools,$fixedprivs,
$toolprivs,$functions,$users,$userdata,$idx,
$stored,$states,$navbuttons,$gpterm,$ucgpterm,
$crstype);
} elsif ($state eq 'pick_privs') {
&choose_privs_form($r,$cdom,$cnum,$action,$state,$page,
$startdate,$enddate,$tools,$functions,
$toolprivs,$fixedprivs,$userdata,$usertools,
$idx,$states,$stored,$sectioncount,$navbuttons,
$gpterm,$ucgpterm,$crstype);
} elsif ($state eq 'result') {
&process_request($r,$cdom,$cnum,$action,$state,$page,
$groupname,$description,$specificity,$userdata,
$startdate,$enddate,$tools,$functions,
$toolprivs,$usertools,$idx,$types,$roles,
$sections,$states,$navbuttons,$memchg,
$sectioncount,$stored,$gpterm,$ucgpterm,$crstype);
}
} elsif ($action eq 'modify') {
my $groupname = $env{'form.groupname'};
if ($state eq 'pick_task') {
&modify_menu($r,$groupname,$page,$gpterm);
} elsif ($state eq 'change_settings') {
&general_settings_form($r,$cdom,$cnum,$action,$state,$page,
$functions,$tools,$toolprivs,$fixedprivs,
$sectioncount,$stored,$states,$navbuttons,
$gpterm,$ucgpterm,$crstype);
} elsif ($state eq 'change_members') {
&change_members_form($r,$cdom,$cnum,$action,$state,$page,
$groupname,$description,$startdate,$enddate,
$tools,$fixedprivs,$functions,$users,
$userdata,$granularity,$quota,$specificity,
$idx,$states,$navbuttons,$gpterm,$ucgpterm);
} elsif ($state eq 'add_members') {
&add_members_form($r,$cdom,$cnum,$action,$state,$page,$startdate,
$enddate,$groupname,$description,$granularity,
$quota,$sectioncount,$tools,$functions,$stored,
$states,$navbuttons,$gpterm,$ucgpterm);
} elsif ($state eq 'pick_members') {
&choose_members_form($r,$cdom,$cnum,$action,$state,$page,
$groupname,$description,$granularity,$quota,
$startdate,$enddate,$tools,$fixedprivs,
$toolprivs,$functions,$users,$userdata,$idx,
$stored,$states,$navbuttons,$gpterm,$ucgpterm,
$crstype);
} elsif ($state eq 'pick_privs') {
&choose_privs_form($r,$cdom,$cnum,$action,$state,$page,
$startdate,$enddate,$tools,$functions,
$toolprivs,$fixedprivs,$userdata,$usertools,
$idx,$states,$stored,$sectioncount,$navbuttons,
$gpterm,$ucgpterm,$crstype);
} elsif ($state eq 'change_privs') {
&change_privs_form($r,$cdom,$cnum,$action,$state,$page,
$startdate,$enddate,$tools,$functions,
$toolprivs,$fixedprivs,$userdata,$usertools,
$memchg,$idx,$states,$stored,$sectioncount,
$navbuttons,$gpterm,$ucgpterm);
} elsif ($state eq 'chgresult' || $state eq 'memresult' ||
$state eq 'addresult') {
&process_request($r,$cdom,$cnum,$action,$state,$page,
$groupname,$description,$specificity,$userdata,
$startdate,$enddate,$tools,$functions,
$toolprivs,$usertools,$idx,$types,$roles,
$sections,$states,$navbuttons,$memchg,
$sectioncount,$stored,$gpterm,$ucgpterm,$crstype);
}
} elsif ($action eq 'delete') {
my %stored = &retrieve_settings($cdom,$cnum,$groupname,$action);
if ($state eq 'verify') {
&verify_delete($r,$groupname,$state,$action,$page,$states,
\%stored);
} elsif ($state eq 'result') {
&delete_group($r,$cdom,$cnum,$groupname);
}
} elsif ($action eq 'reenable') {
my %stored = &retrieve_settings($cdom,$cnum,$groupname,$action);
if ($state eq 'verify') {
&verify_reenable($r,$groupname,$state,$action,$page,$states,
\%stored);
} elsif ($state eq 'result') {
&reenable_group($r,$cdom,$cnum,$groupname);
}
}
}
sub verify_delete {
my ($r,$groupname,$formname,$action,$page,$states,$stored) = @_;
$r->print(&Apache::lonhtmlcommon::echo_form_input([]));
$r->print(&mt("You have requested deletion of the following group: ").'<i>'.
$stored->{'description'}.'</i>'.
'<br /><br />'.&mt('When a group is deleted the following occurs:').'<ul>'.
'<li>'.&mt('All group membership is terminated.').'</li>'.
'<li>'.&mt('The group ceases to be available either for viewing or for modification of group settings and membership.').'</li>'.
'<li>'.&mt('The group folder is removed from the folder containing it - normally this is the "Course Groups" folder which contains folders for all groups in the course.').'</li>'.
'</ul>'.&mt('Although a deleted group is no longer accessible, the group name used for the group will be reserved, and will not be available for assignment to a new group in the same course in the future.'));
my $prevtext = &mt('Go back');
my $nexttext = &mt('Delete group');
my $prev;
if ($env{'form.refpage'} eq 'enrl') {
$prev = 'view';
}
&display_navbuttons($r,$formname,$prev,$prevtext,
$$states{$action}[$page+1],$nexttext);
return;
}
sub delete_group {
my ($r,$cdom,$cnum,$groupname) = @_;
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
my $now = time;
my $num_users = 0;
my $num_fail = 0;
my $num_ok = 0;
my @deleted;
my @undeleted;
my %usersettings;
foreach my $key (sort(keys(%membership))) {
if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
my $user = $1;
my($end,$start,$userprivs) = split(/:/,$membership{$key},3);
if ($start != -1) {
$num_users ++;
$usersettings{$groupname.':'.$user} = $now.':-1:'.$userprivs;
if (&Apache::lonnet::modify_group_roles($cdom,$cnum,
$groupname,$user,
$now,'-1',$userprivs)
eq 'ok') {
$num_ok ++;
push(@deleted,$user);
} else {
push(@undeleted,$user);
$num_fail ++;
}
}
}
}
if ($num_ok > 0) {
my $roster_result =
&Apache::lonnet::modify_coursegroup_membership($cdom,$cnum,
\%usersettings);
}
if ($num_fail > 0) {
$r->print(&mt('Group deletion failed because deletion of [_1] out of [_2] members failed.',$num_fail,$num_users));
} else {
my ($result,$message) =
&Apache::lonnet::toggle_coursegroup_status($cdom,$cnum,
$groupname,'delete');
if ($result eq 'ok') {
my $outcome = &modify_folders($cdom,$cnum,$groupname);
if ($outcome eq '') {
$r->print(&mt('Group successfully deleted.'));
} else {
$r->print(&mt("Although the group was deleted, an error ([_1]) occurred when removing the group's folder from the 'Course Groups' folder.",$outcome));
}
} else {
$r->print(&mt('Group deletion failed.'));
}
}
return;
}
sub reenable_folder {
my ($cdom,$cnum,$groupname,$description) = @_;
my $outcome;
my $crspath = '/uploaded/'.$cdom.'/'.$cnum.'/';
my $allgrpsmap = $crspath.'group_allfolders.sequence';
my $foldertitle = &mt('Course Folder -').$description;
my $mapurl = $crspath.'group_folder_'.
$groupname.'.sequence';
my ($errtext,$fatal)=&LONCAPA::map::mapread($allgrpsmap);
if ($fatal) {
$outcome=&mt('Error reading contents of parent folder to group').
" ($allgrpsmap): $errtext".'<br />';
} else {
my $idx=&LONCAPA::map::getresidx($mapurl);
$LONCAPA::map::resources[$idx] = $foldertitle.':'.$mapurl.
':false:normal:res';
$LONCAPA::map::order[1+$#LONCAPA::map::order]=$idx;
my ($outtext,$errtext) = &LONCAPA::map::storemap($allgrpsmap,1);
if ($errtext) {
$outcome = &mt('Error saving updated parent folder to group').
"- $allgrpsmap - $errtext".'<br />';
} else {
my ($furl,$ferr) =
&Apache::lonuserstate::readmap($cdom.'/'.$cnum);
}
}
return $outcome;
}
sub modify_folders {
my ($cdom,$cnum,$groupname) = @_;
my $outcome;
my $navmap = Apache::lonnavmaps::navmap->new();
my $groupmap = '/uploaded/'.$cdom.'/'.$cnum.'/'.'group_folder_'.
$groupname.'.sequence';
my $groupmapres = $navmap->getResourceByUrl($groupmap);
my ($map,$id,$src);
if ($groupmapres) {
($map,$id,$src)=&Apache::lonnet::decode_symb($groupmapres->symb());
}
undef($navmap);
if ($map) {
$map = '/'.$map;
my ($errtext,$fatal) = &LONCAPA::map::mapread($map);
if ($fatal) {
$outcome=&mt('Error reading contents of parent folder to group').
" ($map): $errtext".'<br />';
} else {
my $idx = 0;
my $grpidx;
foreach my $item (@LONCAPA::map::order) {
my ($name,$url)=split(/\:/,$LONCAPA::map::resources[$item]);
$url=&LONCAPA::map::qtescape($url);
if ($url eq $groupmap) {
$grpidx = $idx;
last;
} else {
$idx++;
}
}
if ($grpidx ne '') {
&LONCAPA::map::makezombie($LONCAPA::map::order[$grpidx]);
for (my $i=$grpidx;$i<$#LONCAPA::map::order;$i++) {
$LONCAPA::map::order[$i] = $LONCAPA::map::order[$i+1];
}
$#LONCAPA::map::order--;
my ($outtext,$errtext) = &LONCAPA::map::storemap($map,1);
if ($errtext) {
$outcome = &mt('Error saving updated parent folder to group'). "- $map - $errtext".'<br />';
} else {
my ($furl,$ferr) =
&Apache::lonuserstate::readmap($cdom.'/'.$cnum);
}
}
}
}
return $outcome;
}
sub verify_reenable {
my ($r,$groupname,$formname,$action,$page,$states,$stored) = @_;
$r->print(&Apache::lonhtmlcommon::echo_form_input([]));
$r->print(&mt("You have requested enabling the following previously deleted group: ").'<i>'.
$stored->{'description'}.'</i>'.
'<br /><br />'.&mt('When a deleted group is re-enabled the following occurs:').'<ul>'.
'<li>'.&mt('Group settings and membership at the time the group was deleted are reinstated.').'</li>'.
'<li>'.&mt('A group folder is added to the "Course Groups" folder which contains folders for all groups in the course.').'</li></ul>');
my $prevtext = &mt('Go back');
my $nexttext = &mt('Reenable group');
my $prev;
if ($env{'form.refpage'} eq 'enrl') {
$prev = 'view';
}
&display_navbuttons($r,$formname,$prev,$prevtext,
$$states{$action}[$page+1],$nexttext);
return;
}
sub reenable_group {
my ($r,$cdom,$cnum,$groupname) = @_;
my %groups =
&Apache::longroup::coursegroups($cdom,$cnum,$groupname,
'deleted_groups');
if (keys(%groups) == 0) {
$r->print(&mt('The group ([_1]) was not re-enabled, because it is not a deleted group.<br />Perhaps it has already been re-enabled?',$groupname));
return;
}
my %groupinfo =
&Apache::longroup::get_group_settings($groups{$groupname});
my $defstart = $groupinfo{'startdate'};
my $defend = $groupinfo{'enddate'};
my $showstart = &Apache::lonlocal::locallocaltime($defstart);
my $showend;
if ($defend == 0) {
$showend = &mt('No end date set');
} else {
$showend = &Apache::lonlocal::locallocaltime($defend);
}
my $description = &unescape($groupinfo{'description'});
my $num_users = 0;
my $num_ok = 0;
my $num_fail = 0;
my (%usersettings,@enabled,@unenabled);
my ($result,$message) =
&Apache::lonnet::toggle_coursegroup_status($cdom,$cnum,$groupname,
'reenable');
if ($result eq 'ok') {
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
foreach my $key (sort(keys(%membership))) {
if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
my $user = $1;
my($end,$start,$userprivs) = split(/:/,$membership{$key},3);
if (($start == -1) && ($end == $groupinfo{'modified'})) {
$num_users ++;
$usersettings{$groupname.':'.$user} = $defend.':'.
$defstart.':'.
$userprivs;
if (&Apache::lonnet::modify_group_roles($cdom,$cnum,
$groupname,$user,
$defend,$defstart,
$userprivs) eq 'ok') {
$num_ok ++;
push(@enabled,$user);
} else {
push(@unenabled,$user);
$num_fail ++;
}
}
}
}
if ($num_users > 0) {
if ($num_ok > 0) {
my $roster_result =
&Apache::lonnet::modify_coursegroup_membership($cdom,$cnum,
\%usersettings);
if ($roster_result eq 'ok') {
$r->print(&mt('Membership reinstated for [_1] users, each with start and end dates for group access set to defaults: [_2] and [_3]',$num_ok,$showstart,$showend).'<br />');
}
} else {
$r->print(&mt('A problem occurred when trying to reinstate [_1] of the [_2] members of the pre-existing group.',$num_fail,$num_users).'<br />');
}
} else {
$r->print(&mt('There were no group members to reinstate, as none were removed when the group was deleted.').'<br />');
}
my $outcome = &reenable_folder($cdom,$cnum,$groupname,$description);
if ($outcome eq '') {
$r->print(&mt('Group successfully re-enabled.'));
} else {
$r->print(&mt("Although the group was re-enabled, an error ([_1]) occurred when adding the group's folder to the 'Course Groups' folder.",$outcome));
}
} else {
$r->print(&mt('Re-enabling group failed'));
}
return;
}
sub header {
my ($bodytitle,$jscript,$action,$state,$page,$loaditems) = @_;
my $start_page=
&Apache::loncommon::start_page($bodytitle,
'<script type="text/javascript">'.
$jscript.'</script>',
{'add_entries' => $loaditems,});
my $output = <<"END";
$start_page
<form method="POST" name="$state">
END
if ($action eq 'create' || $action eq 'modify') {
$output .= <<"END";
<input type="hidden" name="action" value="$action" />
<input type="hidden" name="state" value="" />
<input type="hidden" name="origin" value="$state" />
<input type="hidden" name="page" value="$page" />
END
}
return $output;
}
sub onload_action {
my ($action,$state) = @_;
my %loaditems;
if ((defined($env{'form.origin'})) && ($action eq 'create') &&
($state eq 'pick_name' || $state eq 'pick_members' ||
$state eq 'pick_privs')) {
unless ($env{'form.origin'} eq '') {
$loaditems{'onload'} =
'javascript:setFormElements(document.'.$state.')';
}
}
if (($action eq 'modify') &&
($state eq 'change_settings' || $state eq 'change_members' ||
$state eq 'change_privs' || $state eq 'add_members')) {
$loaditems{'onload'} =
'javascript:setFormElements(document.'.$state.')';
}
return \%loaditems;
}
sub footer {
my $end_page = &Apache::loncommon::end_page();
return(<<ENDFOOT);
<input type="hidden" name="sortby" value="$env{'form.sortby'}" />
</form>
$end_page
ENDFOOT
}
sub build_members_list {
my ($cdom,$cnum,$types,$roles,$sections,$users,$userdata) = @_;
my %access = ();
foreach my $role (@{$roles}) {
%{$$users{$role}} = ();
}
foreach my $type (@{$types}) {
$access{$type} = $type;
}
&Apache::loncommon::get_course_users($cdom,$cnum,\%access,$roles,
$sections,$users,$userdata);
return;
}
sub group_files {
my ($group,$currdir,$numfiles,$numdirs) = @_;
my $dirptr=16384;
my @dir_list=&Apache::portfolio::get_dir_list($currdir,$group);
foreach my $line (@dir_list) {
my ($filename,$dom,undef,$testdir,undef,undef,undef,undef,$size,undef,$mtime,undef,undef,undef,$obs,undef)=split(/\&/,$line,16);
if (($filename !~ /^\.\.?$/) && ($filename !~ /\.meta$/ ) && ($filename !~ /(.*)\.(\d+)\.([^\.]*)$/) && ($filename ne 'no_such_dir')) {
if ($dirptr&$testdir) {
$currdir .= '/'.$filename;
$$numdirs ++;
&group_files($numfiles,$numdirs)
} else {
$$numfiles ++;
}
}
}
return;
}
sub group_members {
my ($cdom,$cnum,$group,$group_info) = @_;
my %memberhash = &Apache::lonnet::get_group_membership($cdom,$cnum,$group);
my $now = time;
my %lt = &Apache::lonlocal::texthash (
active => 'active',
previous => 'previous',
future => 'future',
);
my %membercounts = (
active => 0,
previous => 0,
future => 0,
);
my $totalmembers = 0;
foreach my $member (keys %memberhash) {
$totalmembers ++;
my ($end,$start) = split(/:/,$memberhash{$member});
unless ($start == -1) {
if (($end!=0) && ($end<$now)) {
$membercounts{previous} ++;
} elsif (($start!=0) && ($start>$now)) {
$membercounts{future} ++;
} else {
$membercounts{active} ++;
}
}
}
if ($totalmembers == 0) {
$$group_info{$group}{'totalmembers'} = 'None';
} else {
foreach my $type ('active','previous','future') {
$$group_info{$group}{'totalmembers'} .=
&open_list_window($group,$type,$membercounts{$type},$lt{$type});
}
}
return 'ok';
}
sub open_list_window {
my ($group,$status,$count,$text) = @_;
my $entry;
if ($count > 0) {
$entry = '<nobr><a href="javascript:openGroupRoster('.
"'$group','$status'".')">'.$text.'</a> - '.$count.
'</nobr><br />';
} else {
$entry = '<nobr>'.$text.' - '.$count.'</nobr><br />';
}
return $entry;
}
sub general_settings_form {
my ($r,$cdom,$cnum,$action,$formname,$page,$functions,$tools,
$toolprivs,$fixedprivs,$sectioncount,$stored,$states,$navbuttons,
$gpterm,$ucgpterm,$crstype) = @_;
my ($nexttext,$prevtext);
&groupsettings_options($r,$functions,$action,$formname,$stored,1,
$gpterm,$ucgpterm,$crstype);
&access_date_settings($r,$action,$formname,$stored,2,$gpterm,$ucgpterm);
if ($action eq 'create') {
&membership_options($r,$cdom,$cnum,$action,$formname,$sectioncount,3,
$gpterm,$ucgpterm);
$nexttext = $$navbuttons{'gtns'};
} else {
my @available = ();
my @unavailable = ();
&check_tools($functions,$tools,\@available,\@unavailable);
@{$tools} = sort(keys(%{$functions}));
&privilege_specificity($r,$action,3,$tools,$stored,$toolprivs,
$fixedprivs,\@available,$formname,
$gpterm,$ucgpterm);
&mapping_options($r,$action,$formname,$page,$sectioncount,
$states,$stored,$navbuttons,4,5,
$gpterm,$ucgpterm,$crstype,$cdom,$cnum);
$nexttext = $$navbuttons{'mose'};
}
$prevtext = $$navbuttons{'gtpp'};
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
$$states{$action}[$page+1],$nexttext);
return;
}
sub groupsettings_options {
my ($r,$functions,$action,$formname,$stored,$image,$gpterm,
$ucgpterm,$crstype) = @_;
my %lt = &Apache::lonlocal::texthash(
'gdat' => "Group access start and end dates",
'gnde' => "Group name, title and available collaborative tools",
'desc' => 'Group Title',
'func' => 'Collaborative Tools',
'gnam' => 'Group Name',
'lett' => 'Letters, numbers and underscore only',
'doyo' => 'Different subsets of the chosen collaborative tools '.
'for different group members?',
);
my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,$stored);
&topic_bar($r,$image,$lt{'gnde'});
$r->print('
<table class="LC_descriptive_input">
<tr>
<td class="LC_description">'.$lt{'gnam'}.':</td>
<td colspan="5">
');
if ($action eq 'create') {
$r->print('<input type="text" name="groupname" size="25" /> ('.
$lt{'lett'}.')');
} else {
$r->print('<input type="hidden" name="groupname" value="'.
$env{'form.groupname'}.'" />'.$env{'form.groupname'});
}
$r->print(<<"END");
</td>
<tr>
<tr>
<td class="LC_description">$lt{'desc'}:</td>
<td colspan="5"><input type="text" name="description" size="40"
value="" />
</td>
<tr>
<tr>
<td class="LC_description">$lt{'func'}:</td>
END
my $numitems = keys(%{$functions});
my $halfnum = int($numitems/2);
my $remnum = $numitems%2;
if ($remnum) {
$halfnum ++;
}
my @allfunctions = sort(keys (%{$functions}));
for (my $i=0; $i<$halfnum; $i++) {
$r->print('<td><label><input type="checkbox" name="tool" value="'.
$allfunctions[$i].'" /> '.
$$functions{$allfunctions[$i]}.'</label></td>
<td> </td><td> </td>');
}
$r->print('<td><input type="button" value="check all" '.
'onclick="javascript:checkAll(document.'.$formname.'.tool)" />'.
'</td></tr><tr><td> </td>');
for (my $j=$halfnum; $j<@allfunctions; $j++) {
$r->print('<td><label><input type="checkbox" name="tool" value="'.
$allfunctions[$j].'" /> '.
$$functions{$allfunctions[$j]}.'</label></td>
<td> </td><td> </td>');
}
if ($remnum) {
$r->print('<td> </td>');
}
$r->print('
<td>
<input type="button" value="uncheck all"
onclick="javascript:uncheckAll(document.'.$formname.'.tool)" />
</td>
</tr>
<tr>
<td class="LC_description">'.&mt('Granularity:').'</td>
<td colspan="10">'.$lt{'doyo'}.' <label><input type="radio" name="granularity" value="Yes" />'.&mt('Yes').'</label> <label><input type="radio" name="granularity" value="No" checked="checked" />'.&mt('No').'</label>');
if ($action eq 'modify') {
$r->print(' ('.&mt('Currently set to "[_1]"',
$$stored{'granularity'}).')');
}
$r->print('
</td>
</tr>
<tr>
<td class="LC_description">'.&mt('Disk quota: ').'</td><td colspan="10">');
if ($action eq 'create') {
$r->print(&mt('If you enable the file repository for the [_1], allocate a disk quota.',$gpterm));
} else {
$r->print(&mt('Quota allocated to file repository:'));
}
$r->print(' <input type="text" name="quota" size="4" />Mb');
if ($action eq 'create') {
$r->print('<br />'.
&mt('A total of [_1] Mb can be divided amongst all [_2]s in the '.
'[_3], and [_4] Mb are currently unallocated.',$crsquota,
$gpterm,lc($crstype),sprintf("%.2f",$freespace)));
} else {
$r->print(' ('.&mt('The quota is currently [_1] Mb',
$$stored{'quota'}).').');
$r->print('<br />'.&mt('The quota can be increased to [_1] Mb, '.
'by adding all unallocated space for [_2]s in the [_3].',
sprintf("%.2f",$maxposs),$gpterm,lc($crstype)));
}
$r->print('
</td>
</tr>
</table>
');
return;
}
sub get_quota_constraints {
my ($action,$stored) = @_;
my ($crsquota,$freespace,$maxposs);
$crsquota = $env{'course.'.$env{'request.course.id'}.'.internal.coursequota'};
if ($crsquota eq '') {
$crsquota = 20;
}
$freespace = $crsquota - &Apache::longroup::sum_quotas();
if ($action eq 'create') {
$maxposs = $freespace;
} else {
$maxposs = $$stored{'quota'} + $freespace;
}
return ($crsquota,$freespace,$maxposs);
}
sub membership_options {
my ($r,$cdom,$cnum,$action,$state,$sectioncount,$image,$gpterm,$ucgpterm)=@_;
my $crstype = &Apache::loncommon::course_type();
my %lt = &Apache::lonlocal::texthash(
'pipa' => 'Build a list of users for selection of group members',
'gmem' => "Group membership selection list criteria:",
'picr' => 'Pick the criteria to use to build a list of '.
lc($crstype).' users from which you will select ',
'meof' => "members of the new group.",
'admg' => "additional members of the group.",
'ifno' => "If you do not wish to add members when you first ".
"create the group, there is no need to pick any criteria.",
'asub' => "A subsequent step will also allow you to specify automatic adding/dropping of group members triggered by specified user role and section <i>changes</i> in the course.",
'acty' => 'Access types',
'coro' => $crstype.' roles',
'cose' => $crstype.' sections',
);
my %status_types = (
active => &mt('Currently has access'),
previous => &mt('Previously had access'),
future => &mt('Will have future access'),
);
my @roles = ('st','cc','in','ta','ep','cr');
my @sections = keys(%{$sectioncount});
&topic_bar($r,$image,$lt{'pipa'});
$r->print('
<b>'.$lt{'gmem'}.'</b><br />'.$lt{'picr'});
if ($action eq 'create') {
$r->print($lt{'meof'}.'<br />'.$lt{'ifno'}.'<br />'.$lt{'asub'});
} else {
$r->print($lt{'admg'});
}
$r->print('
<br />
<br />
<table class="LC_status_selector">
<tr>
<th>'.$lt{'acty'}.'</th>
<th>'.$lt{'coro'}.'</th>
<th>'.$lt{'cose'}.'</th>
</tr><tr><td>');
$r->print(&Apache::lonhtmlcommon::status_select_row(\%status_types));
$r->print('</td><td>');
$r->print(&Apache::lonhtmlcommon::role_select_row(\@roles,undef,undef,1,$cdom,$cnum));
if (@sections > 0) {
@sections = sort {$a cmp $b} @sections;
unshift(@sections,'none'); # Put 'no sections' next
unshift(@sections,'all'); # Put 'all' at the front of the list
} else {
@sections = ('all','none');
}
$r->print('</td><td>'.
§ions_selection(\@sections,'sectionpick').'</td>
</tr>
</table>');
return;
}
sub sections_selection {
my ($sections,$elementname) = @_;
my $section_sel;
my $numvisible = 4;
if (@{$sections} < 4) {
$numvisible = @{$sections};
}
foreach my $sec (@{$sections}) {
if ($sec eq 'all') {
$section_sel .= ' <option value="'.$sec.'">'.&mt('all sections').'</option>'."\n";
} elsif ($sec eq 'none') {
$section_sel .= ' <option value="'.$sec.'">'.&mt('no section').'</option>'."\n";
} else {
$section_sel .= ' <option value="'.$sec.'">'.$sec."</option>\n";
}
}
my $output = '
<select name="'.$elementname.'" multiple="true" size="'.$numvisible.'">
'.$section_sel.'
</select>';
return $output;
}
sub access_date_settings {
my ($r,$action,$formname,$stored,$image,$gpterm,$ucgpterm) = @_;
my %lt = &Apache::lonlocal::texthash(
'sten' => "Default start and end dates for $gpterm access",
);
my $starttime = time;
my $endtime = time+(6*30*24*60*60); # 6 months from now, approx
if ($action eq 'modify') {
$starttime = $$stored{'startdate'};
unless ($$stored{'enddate'} == 0) {
$endtime = $$stored{'enddate'};
}
}
my ($table) = &date_setting_table($starttime,$endtime,$formname);
&topic_bar($r,$image,$lt{'sten'});
$r->print('
'.$table.'
');
return;
}
sub choose_members_form {
my ($r,$cdom,$cnum,$action,$formname,$page,$groupname,$description,
$granularity,$quota,$startdate,$enddate,$tools,$fixedprivs,$toolprivs,
$functions,$users,$userdata,$idx,$stored,$states,$navbuttons,
$gpterm,$ucgpterm,$crstype) = @_;
my @regexps = ('user_','userpriv_','sec_');
my %origmembers;
$r->print(&Apache::lonhtmlcommon::echo_form_input(
['origin','action','state','page','member','specificity','branch',
'defpriv','autorole','autoadd','autodrop','sortby','togglefunc'],
\@regexps));
my $earlyout = &validate_groupname($groupname,$action,$cdom,$cnum,$gpterm,
$ucgpterm,$crstype);
if ($earlyout) {
$r->print($earlyout);
&display_navbuttons($r,$formname,$$states{$action}[$page-1],
$$navbuttons{'gtps'});
return;
}
my ($specimg,$memimg);
my @available = ();
my @unavailable = ();
&check_tools($functions,$tools,\@available,\@unavailable);
if ($action eq 'create') {
&print_current_settings($r,$action,$functions,$startdate,$enddate,
$groupname,$description,$granularity,$quota,
\@available,\@unavailable,$gpterm,$ucgpterm);
$specimg = 4;
$memimg = 5;
} else {
$specimg = 2;
$memimg = 3;
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
foreach my $key (sort(keys(%membership))) {
if ($key =~ /^\Q$groupname\E:([^:]+):([^:]+)$/) {
my ($end,$start,@userprivs) = split(/:/,$membership{$key});
unless ($start == -1) {
my $uname = $1;
my $udom = $2;
my $user = $uname.':'.$udom;
$origmembers{$user} = 1;
}
}
}
}
&privilege_specificity($r,$action,$specimg,$tools,$stored,$toolprivs,
$fixedprivs,\@available,$formname,$gpterm,$ucgpterm);
my $newusers = &pick_new_members($r,$action,$formname,\@available,$idx,
$stored,$memimg,$users,$userdata,
$granularity,\%origmembers,$gpterm,
$ucgpterm);
if ($newusers || $action eq 'create') {
&display_navbuttons($r,$formname,$$states{$action}[$page-1],
$$navbuttons{'gtps'},$$states{$action}[$page+1],
$$navbuttons{'gtns'});
} else {
&display_navbuttons($r,$formname,$$states{$action}[$page-1],
$$navbuttons{'gtps'});
}
return;
}
sub display_navbuttons {
my ($r,$formname,$prev,$prevtext,$next,$nexttext) = @_;
$r->print('<div class="LC_navbuttons">');
if ($prev) {
$r->print('
<input type="button" name="previous" value = "'.$prevtext.'"
onclick="javascript:backPage(document.'.$formname.','."'".$prev."'".')"/>
');
} elsif ($prevtext) {
$r->print('
<input type="button" name="previous" value = "'.$prevtext.'"
onclick="javascript:history.back()"/>
');
}
if ($next) {
$r->print('
<input type="button" name="next" value="'.$nexttext.'"
onclick="javascript:nextPage(document.'.$formname.','."'".$next."'".')" />');
}
$r->print('</div>');
}
sub check_tools {
my ($functions,$tools,$available,$unavailable) = @_;
foreach my $item (sort(keys(%{$functions}))) {
if (grep/^$item$/,@{$tools}) {
push(@{$available},$item);
} else {
push(@{$unavailable},$item);
}
}
return;
}
sub print_current_settings {
my ($r,$action,$functions,$startdate,$enddate,$groupname,$description,
$granularity,$quota,$available,$unavailable,$gpterm,$ucgpterm) = @_;
my %lt = &Apache::lonlocal::texthash(
grna => 'Group Name',
desc => 'Group Title',
grfn => "Collaborative Tools",
gran => 'Granularity',
quot => 'File quota',
dfac => 'Default access dates',
ygrs => "Your group selections - ",
tfwa => "The following settings will apply to the group:",
difn => 'Different collaborative tools<br />for different members:',
stda => 'Start date',
enda => 'End date:',
);
my $showstart = &Apache::lonlocal::locallocaltime($startdate);
my $showend;
if ($enddate == 0) {
$showend = &mt('No end date set');
} else {
$showend = &Apache::lonlocal::locallocaltime($enddate);
}
if ($action eq 'create') {
$r->print('
<div><span style="font-size: larger">'.$lt{'ygrs'}.'</span>
<br />'.$lt{'tfwa'}.'
</div>');
}
$r->print(&Apache::loncommon::start_data_table('LC_course_group_status').
&Apache::loncommon::start_data_table_header_row());
$r->print('
<th>'.$lt{'grna'}.'</th>
<th>'.$lt{'desc'}.'</th>
<th>'.$lt{'grfn'}.'</th>
<th>'.$lt{'gran'}.'</th>
<th>'.$lt{'quot'}.'</th>
<th>'.$lt{'dfac'}.'</th>
');
$r->print(&Apache::loncommon::end_data_table_header_row().
&Apache::loncommon::start_data_table_row('LC_data_table_dense'));
$r->print('
<td valign="top">'.$groupname.'</td>
<td valign="top">'.$description.'</td>
<td>
');
if (@{$available} > 0) {
$r->print(&mt('<b>Available for assignment to members:</b>').
'<table class="LC_group_priv"><tr>');
my $rowcell = int(@{$available}/2) + @{$available}%2;
for (my $i=0; $i<@{$available}; $i++) {
if (@{$available} > 3) {
if ($i==$rowcell) {
$r->print('</tr><tr>');
}
}
$r->print('<td>'.$$functions{$$available[$i]}.
'</td><td> </td>');
}
if ((@{$available} > 3) && (@{$available}%2)) {
$r->print('<td> </td><td> </td>');
}
$r->print('</tr></table><br />');
}
if (@{$unavailable} > 0) {
$r->print(&mt('<b>Unavailable for assignment:</b>').
'<table class="LC_group_priv"><tr>');
my $rowcell = int(@{$unavailable}/2) + @{$unavailable}%2;
for (my $j=0; $j<@{$unavailable}; $j++) {
if (@{$unavailable} > 3) {
if ($j==$rowcell) {
$r->print('</tr><tr>');
}
}
$r->print('<td>'.$$functions{$$unavailable[$j]}.
'</td><td> </td>');
}
if ((@{$unavailable} > 3) && (@{$unavailable}%2)) {
$r->print('<td> </td><td> </td>');
}
$r->print('</tr></table>');
}
$r->print(<<"END");
</td>
<td valign="top"><b>$lt{'difn'}</b> $granularity</td>
<td valign="top">$quota Mb</td>
<td valign="top"><b>$lt{'stda'}</b> $showstart<br />
<b>$lt{'enda'}</b> $showend
</td>
END
$r->print(&Apache::loncommon::end_data_table_row().
&Apache::loncommon::end_data_table());
return;
}
sub pick_new_members {
my ($r,$action,$formname,$available,$idx,$stored,$img,$users,$userdata,
$granularity,$origmembers,$gpterm,$ucgpterm) = @_;
my %lt = &Apache::lonlocal::texthash(
'gpme' => "Group membership",
'addm' => 'Add members',
'setf' => 'Assign collaborative tools',
'func' => 'Tools',
'nome' => 'No members to add at this time, as there are no users '.
'matching the specified type(s), role(s) and section(s).',
'nnew' => "There are no users to add as new members, as all users".
" matching the specified type(s), role(s), and ".
"section(s) are already affiliated with this group.",
'yoma' => 'You may need to use the '."'".'modify existing, past or '.
'future members'."'".' page if you need to re-enable '.
'or activate access for previous or future members.',
);
my %members;
my $totalusers = 0;
my $newusers = 0;
foreach my $role (keys(%{$users})) {
foreach my $user (keys(%{$$users{$role}})) {
$totalusers ++;
if (ref($origmembers) eq 'HASH') {
if (exists($$origmembers{$user})) {
next;
}
}
unless (defined($members{$user})) {
@{$members{$user}} = @{$$userdata{$user}};
$newusers ++;
}
}
}
if (keys(%members) > 0) {
if (@{$available} > 0 && $granularity eq 'Yes') {
$r->print(&check_uncheck_tools($r,$available));
}
}
&topic_bar($r,$img,$lt{'gpme'});
if (keys(%members) > 0) {
$r->print('
<table>
<tr>');
&check_uncheck_buttons($r,$formname,'member',$lt{'addm'});
if (@{$available} > 0 && $granularity eq 'Yes') {
$r->print('<td>
<fieldset><legend><b>'.$lt{'setf'}.'</b></legend>
<nobr>
<input type="button" value="check all"
onclick="javascript:checkAllTools(document.'.$formname.')" />
<input type="button" value="uncheck all"
onclick="javascript:uncheckAllTools(document.'.$formname.')" />
</nobr>
</fieldset></td>');
}
$r->print('</tr></table>
');
$r->print(&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row());
$r->print('
<th>'.&mt('Add?').'</b></td>
<th><a href="javascript:changeSort('."'fullname'".')">'.&mt('Name').'</a></td>
<th><a href="javascript:changeSort('."'username'".')">'.&mt('Username').'</a></td>
<th><a href="javascript:changeSort('."'domain'".')">'.&mt('Domain').'</a></td>
<th><a href="javascript:changeSort('."'id'".')">'.&mt('ID').'</a></td>
<th><a href="javascript:changeSort('."'section'".')">'.&mt('Section').'</a></td>
');
if (@{$available} > 0) {
$r->print('<th>'.$lt{'func'}.'</th>');
}
$r->print(&Apache::loncommon::end_data_table_header_row());
if (@{$available} > 0) {
if ($granularity eq 'Yes') {
$r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense LC_data_table_highlight').'
<td colspan="6"> </td>
<td align="center"><nobr><b>'.&mt('All:').'</b> ');
foreach my $tool (@{$available}) {
$r->print('<label><input type="checkbox" name="togglefunc" '.
'onclick="javascript:toggleTools(document.'.$formname.'.user_'.$tool.',this);"'.
' value="'.$tool.'">'.'<b>'.$tool.'</b></label> ');
}
$r->print('</nobr></td></tr>');
}
}
my %Sortby = ();
foreach my $user (sort(keys(%members))) {
if ($env{'form.sortby'} eq 'fullname') {
push(@{$Sortby{$members{$user}[$$idx{fullname}]}},$user);
} elsif ($env{'form.sortby'} eq 'username') {
push(@{$Sortby{$members{$user}[$$idx{uname}]}},$user);
} elsif ($env{'form.sortby'} eq 'domain') {
push(@{$Sortby{$members{$user}[$$idx{udom}]}},$user);
} elsif ($env{'form.sortby'} eq 'id') {
push(@{$Sortby{$members{$user}[$$idx{id}]}},$user);
} elsif ($env{'form.sortby'} eq 'section') {
push(@{$Sortby{$members{$user}[$$idx{section}]}},$user);
} else {
push(@{$Sortby{$members{$user}[$$idx{fullname}]}},$user);
}
}
foreach my $key (sort(keys(%Sortby))) {
foreach my $user (@{$Sortby{$key}}) {
my $id = $members{$user}[$$idx{id}];
my $fullname = $members{$user}[$$idx{fullname}];
my $udom = $members{$user}[$$idx{udom}];
my $uname = $members{$user}[$$idx{uname}];
my $section = $members{$user}[$$idx{section}];
$r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense').
'<td align="right"><input type="checkbox" name="member" value="'.$user.'" /></td>'.
'<td>'.$fullname.'</td>'.
'<td>'.$uname.'</td>'.
'<td>'.$udom.'</td>'.
'<td>'.$id.'</td>'.
'<td>'.$section.'</td>');
if (@{$available} > 0) {
$r->print('<td align="center"><nobr>'.
' ');
foreach my $tool (@{$available}) {
if ($granularity eq 'Yes') {
$r->print('<input type="checkbox" name="user_'.
$tool.'" value="'.$user.'" />'.$tool.' ');
} else {
$r->print('<input type="hidden" name="user_'.
$tool.'" value="'.$user.'" />'.$tool.' ');
}
}
$r->print('</nobr></td>');
}
$r->print(&Apache::loncommon::end_data_table_row()."\n");
}
}
$r->print(&Apache::loncommon::end_data_table());
} else {
if ($totalusers > 0) {
$r->print($lt{'nnew'}.'<br /><br />'.$lt{'yoma'});
} else {
$r->print($lt{'nome'});
}
}
return $newusers;
}
sub privilege_specificity {
my ($r,$action,$img,$tools,$stored,$toolprivs,$fixedprivs,$available,
$formname,$gpterm,$ucgpterm) = @_;
my %lt = &Apache::lonlocal::texthash (
'uprv' => 'User privileges for collaborative tools',
'frty' => 'For each collaborative tool you have chosen to include, '.
'there is a set of core privileges which all group members '.
'assigned use of the tool will receive.',
'thar' => 'For some tools there are also additional optional '.
'privileges which can be set.',
'plch' => 'Choose one of the following:',
'fort' => 'For the collaborative tools you have chosen to include '.
'only core privileges are available, '.
'so there are no optional privileges to assign.',
'eaty' => 'Each collaborative tool includes core '.
'privileges assigned to all members with access to the '.
'tool. Some tools may also feature additional privileges '.
'which can be set for specific members.',
'cutg' => 'Currently the group is configured ',
'sdif' => 'so different members can receive different optional privileges for a particular tool.',
'sall' => 'so all members will receive the same optional privileges for a particular tool.',
'algm' => 'All group members will receive the same privileges for any tool assigned to them, including the default set of optional privileges.',
'smgp' => 'Different group members may receive different privileges from '.
'others for the tools they have been assigned.',
'thwi' => 'These will be the privileges all group members receive for a particular assigned tool, '.
'if you selected the first option above.',
'thes' => "These will be the privileges given to members assigned ".
"in the future via automatic group assignment ".
"for users who receive specific sections/roles in the course ",
'asyo' => "As you have chosen not to include any collaborative tools ".
"in the group, no default optional privileges need to be set.",
'plin' => 'Indicate which <b>optional</b> privileges members '.
'will receive by default for a specific tool.',
'oppr' => 'Optional privileges',
'defp' => 'The default privileges new members will receive are:',
);
my $totaloptionalprivs = 0;
foreach my $tool (@{$tools}) {
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
if (!exists($$fixedprivs{$tool}{$priv})) {
$totaloptionalprivs ++;
}
}
}
&topic_bar($r,$img,$lt{'uprv'});
if ((($action eq 'create') && (@{$available} > 0)) ||
(($action eq 'modify') && ($formname eq 'change_settings'))) {
my %specific = (
'No' => 'checked="checked"',
'Yes' => '',
);
if ($action eq 'create') {
$r->print($lt{'frty'}.'<br />');
if ($totaloptionalprivs) {
$r->print($lt{'thar'}.'<br /><br />'.$lt{'plch'});
} else {
$r->print($lt{'fort'});
}
} else {
$r->print($lt{'eaty'}.' '.$lt{cutg});
if ($$stored{'specificity'} eq 'Yes') {
$r->print($lt{'sdif'});
$specific{'Yes'} = $specific{'No'};
$specific{'No'} = '';
} else {
$r->print($lt{'sall'});
}
}
if ($totaloptionalprivs) {
$r->print('
<br />
<label><nobr><input type="radio" name="specificity" value="No" '.$specific{'No'}.' /> '.$lt{'algm'}.'</nobr></label><br />
<label><nobr><input type="radio" name="specificity" value="Yes" '.$specific{'Yes'}.' /> '.$lt{'smgp'}.'</nobr></label><br /><br />');
} else {
$r->print('<input type="hidden" name="specificity" value="No" />');
}
if ($totaloptionalprivs) {
$r->print($lt{'plin'});
if ($action eq 'create') {
$r->print('<br />'.$lt{'thwi'});
}
$r->print('<br />'.$lt{'thes'});
if ($action eq 'create') {
$r->print('('.&mt('if enabled on the next page').').');
} else {
$r->print('('.&mt('if enabled below').').');
}
$r->print('<br /><br />
<table><tr>');
&check_uncheck_buttons($r,$formname,'defpriv',$lt{'oppr'});
$r->print('
</tr>
</table>
<br />
');
} else {
$r->print($lt{'algm'}.'<br /><br />');
}
&default_privileges($r,$action,$tools,$toolprivs,$fixedprivs,
$available);
} else {
if ($action eq 'create') {
$r->print($lt{'asyo'});
$r->print('<input type="hidden" name="specificity" value="No" />');
} elsif ($action eq 'modify' && $formname eq 'pick_members') {
my @defprivs;
if (ref($$stored{'defpriv'}) eq 'ARRAY') {
@defprivs = @{$$stored{'defpriv'}};
}
$r->print($lt{'eaty'}.' '.$lt{cutg});
if ($$stored{'specificity'} eq 'Yes') {
$r->print($lt{'sdif'});
} else {
$r->print($lt{'sall'});
}
$r->print(' '.$lt{'defp'}.'<br /><br />');
&display_defprivs($r,$tools,$toolprivs,\@defprivs);
}
}
return;
}
sub default_privileges {
my ($r,$action,$tools,$toolprivs,$fixedprivs,$available) = @_;
my %lt = &Apache::lonlocal::texthash(
'addp' => 'Additional privileges',
'fixp' => 'Fixed privileges',
'oppr' => 'Optional privileges',
'func' => 'Collaborative Tool',
);
$r->print(&Apache::lonhtmlcommon::start_pick_box('LC_group_priv_box').
&Apache::lonhtmlcommon::row_title($lt{'func'},undef,
'LC_groups_functionality'));
$r->print(join('</td><td class="LC_groups_functionality">',@{$tools}));
$r->print(&Apache::lonhtmlcommon::row_closure(1));
my $fixed = '';
my $dynamic = '';
foreach my $tool (@{$tools}) {
my $privcount = 0;
if ($dynamic ne '') {
$dynamic .= '</td><td class="LC_groups_optional">';
}
$dynamic .= '<table class="LC_group_priv"><tr>';
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
if (exists($$fixedprivs{$tool}{$priv})) {
if ($fixed ne '') {
$fixed .= '</td><td class="LC_groups_fixed">';
}
$fixed .= '<input type="hidden" name="defpriv" value="'.$priv.'" /><nobr>'.$$toolprivs{$tool}{$priv}.' ';
if ($action eq 'modify') {
if (grep(/^$tool$/,@{$available})) {
$fixed .= '<small>'.&mt('(on)').'<small> ';
} else {
$fixed .= '<small>'.&mt('(off)').'<small> ';
}
}
$fixed .= '</nobr>';
} else {
$privcount++;
if ($privcount == 3) {
$dynamic .= '</tr>
<tr>'."\n";
}
$dynamic .= '<td><nobr><label><input type="checkbox" name="defpriv" value="'.$priv.'" />'.$$toolprivs{$tool}{$priv}.'</label></nobr></td>'."\n";
}
}
if ($privcount == 0) {
$dynamic .= '<td>None</td>'."\n";
}
if ($privcount < 3) {
$dynamic .= '<td> </td>'."\n";
} elsif ($privcount%2) {
$dynamic = '<td> </td>'."\n";
}
$dynamic .= '</tr></table>';
}
$r->print(&Apache::lonhtmlcommon::row_title($lt{'fixp'},undef,
'LC_groups_fixed').
$fixed.
&Apache::lonhtmlcommon::row_closure(1));
$r->print(&Apache::lonhtmlcommon::row_title($lt{'oppr'},undef,
'LC_groups_optional').
$dynamic.
&Apache::lonhtmlcommon::end_pick_box());
$r->print('<br />');
return;
}
sub display_defprivs {
my ($r,$tools,$toolprivs,$defprivs) = @_;
my $function = &Apache::loncommon::get_users_function();
my $tabcol = &Apache::loncommon::designparm($function.'.tabbg');
my $rowColor1 = "#dddddd";
my $rowColor2 = "#eeeeee";
my %lt = &Apache::lonlocal::texthash(
'priv' => 'Privileges',
'func' => 'Collaborative Tool',
);
$r->print(&Apache::lonhtmlcommon::start_pick_box());
$r->print('<tr>');
my $numrows = 0;
my %currprivs;
foreach my $tool (@{$tools}) {
@{$currprivs{$tool}} = ();
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
if (ref($defprivs) eq 'ARRAY') {
if (grep(/^\Q$priv\E$/,@{$defprivs})) {
push(@{$currprivs{$tool}},$priv);
}
}
}
my $rowcount = int(@{$currprivs{$tool}}/3);
if (@{$currprivs{$tool}}%3 > 0) {
$rowcount ++;
}
if ($rowcount > $numrows) {
$numrows = $rowcount;
}
}
my @rowCols = ($rowColor1,$rowColor2);
foreach my $tool (@{$tools}) {
$r->print('<td align="center" valign="top">
<table cellspacing="0" cellpadding="5">
<tr bgcolor="#cccccc">
<td colspan="3" align="center"><b>'.$tool.'</b></td>
</tr>
');
my $rownum = 1;
my $privcount = 0;
$r->print('<tr bgcolor="'.$rowColor1.'">');
foreach my $priv (@{$currprivs{$tool}}) {
$privcount ++;
if ($privcount%4 == 0) {
$rownum ++;
my $bgcol = $rownum%2;
$r->print('</tr>
<tr bgcolor="'.$rowCols[$bgcol].'">'."\n");
}
$r->print('<td>'.$$toolprivs{$tool}{$priv}.'</td>'."\n");
}
if ($privcount%3 > 0) {
my $emptycells = 3-($privcount%3);
while($emptycells > 0) {
$r->print('<td> </td>'."\n");
$emptycells --;
}
}
while ($rownum < $numrows) {
$rownum ++;
my $bgcol = $rownum%2;
$r->print('<tr bgcolor="'.$rowCols[$bgcol].'"><td colspan="3"> </td></tr>');
}
$r->print('</table>'."\n".'</td>');
}
$r->print('</tr>'."\n");
$r->print(&Apache::lonhtmlcommon::end_pick_box());
$r->print('<br />');
return;
}
sub change_members_form {
my ($r,$cdom,$cnum,$action,$formname,$page,$groupname,$description,
$startdate,$enddate,$tools,$fixedprivs,$functions,$users,$userdata,
$granularity,$quota,$specificity,$idx,$states,$navbuttons,$gpterm,
$ucgpterm) = @_;
my %lt = &Apache::lonlocal::texthash(
grse => "$ucgpterm settings",
mogm => "Modify $gpterm membership",
);
my @regexps = ('user_','userpriv_');
$r->print(&Apache::lonhtmlcommon::echo_form_input(
['origin','action','state','page','expire','deletion',
'reenable','activate','changepriv','sortby',
'togglefunc'],\@regexps));
my $rowimg = 1;
my @available = ();
my @unavailable = ();
&check_tools($functions,$tools,\@available,\@unavailable);
my $nexttext = $$navbuttons{'gtns'};
my $prevtext = $$navbuttons{'gtpp'};
$r->print('
<br />
');
&topic_bar($r,1,$lt{'grse'});
&print_current_settings($r,$action,$functions,$startdate,$enddate,
$groupname,$description,$granularity,$quota,
\@available,\@unavailable,$gpterm,$ucgpterm);
&topic_bar($r,2,$lt{'mogm'});
my $numcurrent = ¤t_membership($r,$cdom,$cnum,$formname,$groupname,
\@available,\@unavailable,$fixedprivs,
$granularity,$specificity);
if ($numcurrent > 0) {
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
$$states{$action}[$page+1],$nexttext);
} else {
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext);
}
return;
}
sub current_membership {
my ($r,$cdom,$cnum,$formname,$groupname,$available,$unavailable,
$fixedprivs,$granularity,$specificity) = @_;
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
my %lt = &Apache::lonlocal::texthash(
'actn' => 'Action?',
'name' => 'Name',
'usnm' => 'Username',
'doma' => 'Domain',
'stda' => 'Start Date',
'enda' => 'End Date',
'expi' => 'Expire',
'reen' => 'Re-enable',
'acti' => 'Activate',
'dele' => 'Delete',
'curf' => 'Current Tool Set',
'chpr' => 'Change Privileges'
);
my ($current,$num_items,$hastools,$addtools) =
&Apache::longroup::group_memberlist($cdom,$cnum,$groupname,$fixedprivs,
$available);
my $numcurrent = scalar(keys(%{$current}));
if ($numcurrent > 0) {
$r->print('
<table>
<tr>');
if ($num_items->{'active'}) {
&check_uncheck_buttons($r,$formname,'expire',$lt{'expi'});
}
if ($num_items->{'previous'}) {
&check_uncheck_buttons($r,$formname,'reenable',$lt{'reen'});
}
if ($num_items->{'future'}) {
&check_uncheck_buttons($r,$formname,'activate',$lt{'acti'});
}
&check_uncheck_buttons($r,$formname,'deletion',$lt{'dele'});
if (@{$available} > 0) {
if ($specificity eq 'Yes') {
&check_uncheck_buttons($r,$formname,'changepriv',$lt{'chpr'});
}
if ($granularity eq 'Yes') {
$r->print(&check_uncheck_tools($r,$available));
$r->print('
<td>
<nobr>
<fieldset><legend><b>'.$lt{'curf'}.'</b></legend>
<input type="button" value="check all"
onclick="javascript:checkAllTools(document.'.$formname.')" />
<input type="button" value="uncheck all"
onclick="javascript:uncheckAllTools(document.'.$formname.')" />
</fieldset>
</nobr>
</td>
');
}
}
$r->print(<<"END");
</tr>
</table>
<br />
END
$r->print(&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row());
$r->print(<<"END");
<th>$lt{'actn'}</th>
<th><a href="javascript:changeSort('fullname')">$lt{'name'}</a></th>
<th><a href="javascript:changeSort('username')">$lt{'usnm'}</a></th>
<th><a href="javascript:changeSort('domain')">$lt{'doma'}</a></th>
<th><a href="javascript:changeSort('id')">ID</a></th>
<th><a href="javascript:changeSort('start')">$lt{'stda'}</a></th>
<th><a href="javascript:changeSort('end')">$lt{'enda'}</a></th>
END
my $colspan = 0;
if ($hastools) {
$r->print('<th>'.$lt{'curf'}.'</th>');
$colspan++;
}
if ($addtools) {
$r->print('<th>'.&mt('Additional Tools').'</th>');
$colspan++;
}
$r->print(&Apache::loncommon::end_data_table_header_row());
if ($colspan) {
if ($granularity eq 'Yes') {
$r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense LC_data_table_highlight').'
<td colspan="7"> </td>
<td colspan="'.$colspan.'" align="center"><nobr><b>'.&mt('All:').
'</b> ');
foreach my $tool (@{$available}) {
$r->print('<label><input type="checkbox" name="togglefunc"'.
' onclick="javascript:toggleTools(document.'.$formname.'.user_'.$tool.',this);"'.
' value="'.$tool.'" />'.'<b>'.$tool.'</b></label> ');
}
$r->print('</nobr></td></tr>');
}
}
my %Sortby = ();
foreach my $user (sort(keys(%{$current}))) {
if ($env{'form.sortby'} eq 'fullname') {
push(@{$Sortby{$$current{$user}{fullname}}},$user);
} elsif ($env{'form.sortby'} eq 'username') {
push(@{$Sortby{$$current{$user}{uname}}},$user);
} elsif ($env{'form.sortby'} eq 'domain') {
push(@{$Sortby{$$current{$user}{udom}}},$user);
} elsif ($env{'form.sortby'} eq 'id') {
push(@{$Sortby{$$current{$user}{id}}},$user);
} else {
push(@{$Sortby{$$current{$user}{fullname}}},$user);
}
}
foreach my $key (sort(keys(%Sortby))) {
foreach my $user (@{$Sortby{$key}}) {
my $id = $$current{$user}{id};
my $fullname = $$current{$user}{fullname};
my $udom = $$current{$user}{udom};
my $uname = $$current{$user}{uname};
my $start = $$current{$user}{start};
my $end = $$current{$user}{end};
$r->print(&Apache::loncommon::start_data_table_row('LC_data_table_dense').'
<td>');
if ($$current{$user}{changestate} eq 'reenable') {
$r->print('<nobr><label>'.
'<input type="checkbox" name="reenable" value="'.$user.'" />'.
$lt{'reen'}.'</label></nobr><br />');
} elsif ($$current{$user}{changestate} eq 'expire') {
$r->print('<nobr><label>'.
'<input type="checkbox" name="expire" value="'.$user.'" />'.
$lt{'expi'}.'</label></nobr><br />');
} elsif ($$current{$user}{changestate} eq 'activate') {
$r->print('<nobr><label>'.
'<input type="checkbox" name="activate" value="'.$user.'" />'.
$lt{'acti'}.'</label></nobr><br />');
}
$r->print('<nobr><label>'.
'<input type="checkbox" name="deletion" value="'.$user.'" />'.
$lt{'dele'}.'</label></nobr>');
if ($specificity eq 'Yes') {
$r->print('<br /><nobr><label>'.
'<input type="checkbox" name="changepriv" value="'.$user.'" />'.$lt{'chpr'}.
'</label></nobr>');
}
$r->print('
</td>'.
'<td>'.$fullname.'</td>'.
'<td>'.$uname.'</td>'.
'<td>'. $udom.'</td>'.
'<td>'.$id.'</td>'.
'<td>'.$start.'</td>'.
'<td>'.$end.'</td>');
if ($hastools) {
$r->print('<td align="left"><nobr>'.
' ');
foreach my $tool (@{$$current{$user}{currtools}}) {
if ($granularity eq 'Yes') {
$r->print('<label><input type="checkbox" '.
'checked="checked" '.
'name="user_'.$tool.'" value="'.
$user.'" />'.$tool.'</label>');
} else {
$r->print('<input type="hidden" '.
'checked="checked" '.
'name="user_'.$tool.'" value="'.
$user.'" />'.$tool);
}
$r->print(' ');
}
$r->print('</nobr></td>');
}
if ($addtools) {
$r->print('<td align="left">');
if ($granularity eq 'Yes') {
foreach my $tool (@{$$current{$user}{newtools}}) {
$r->print('<nobr><label><input type="checkbox"
name="user_'.$tool.'" value="'.
$user.'" />'.$tool.
'</label></nobr> ');
}
} else {
foreach my $tool (@{$$current{$user}{newtools}}) {
$r->print('<nobr><input type="hidden"
name="user_'. $tool.'" value="'.
$user.'" />'.$tool.
'</nobr> ');
}
}
$r->print('</td>');
}
$r->print(&Apache::loncommon::end_data_table_row()."\n");
}
}
$r->print(&Apache::loncommon::end_data_table());
} else {
$r->print(&mt('There are no active, future or previous group members to modify.'));
}
return $numcurrent;
}
sub check_uncheck_buttons {
my ($r,$formname,$field,$title,$colspan) = @_;
$r->print('
<td '.$colspan.'>
<fieldset>
<legend><b>'.$title.'</b></legend>
<nobr>
<input type="button" value="check all"
onclick="javascript:checkAll(document.'.$formname.'.'.$field.')" />
<input type="button" value="uncheck all"
onclick="javascript:uncheckAll(document.'.$formname.'.'.$field.')" />
</nobr>
</fieldset>
</td>
');
}
sub change_privs_form {
my ($r,$cdom,$cnum,$action,$formname,$page,$startdate,$enddate,
$tools,$functions,$toolprivs,$fixedprivs,$userdata,$usertools,
$memchg,$idx,$states,$stored,$sectioncount,$navbuttons,$gpterm,
$ucgpterm) = @_;
my @regexps = ('userpriv_');
my $nexttext;
my %lt = &Apache::lonlocal::texthash(
'tode' => 'To be deleted',
'toex' => 'To be expired',
'nome' => "No members to be deleted or expired from the $gpterm.",
);
$r->print(&Apache::lonhtmlcommon::echo_form_input(
['origin','action','state','page','sortby'],\@regexps));
if ($env{'form.branch'} eq 'adds') {
$nexttext = $$navbuttons{'adme'};
} else {
$nexttext = $$navbuttons{'mose'};
}
&topic_bar($r,3,&mt('Members to delete or expire'));
my $exp_or_del = 0;
if (ref($$memchg{'deletion'}) eq 'ARRAY') {
if (@{$$memchg{'deletion'}} > 0) {
$r->print('<b>'.$lt{'tode'}.':</b><br /><ul>');
foreach my $user (@{$$memchg{'deletion'}}) {
$r->print('<li>'.$$userdata{$user}[$$idx{fullname}].
' ('.$user.')</li>');
}
$r->print('</ul>');
$exp_or_del += @{$$memchg{'deletion'}};
}
}
if (ref($$memchg{'expire'}) eq 'ARRAY') {
if (@{$$memchg{'expire'}} > 0) {
$r->print('<b>'.$lt{'toex'}.':</b><br /><ul>');
foreach my $user (@{$$memchg{'expire'}}) {
$r->print('<li>'.$$userdata{$user}[$$idx{fullname}].
' ('.$user.')</li>');
}
$r->print('</ul>');
$exp_or_del += @{$$memchg{'expire'}};
}
}
if (!$exp_or_del) {
$r->print($lt{'nome'}.'<br />');
}
&topic_bar($r,4,&mt('Setting optional privileges for specific group members'));
my $numchgs = &member_privileges_form($r,$action,$formname,$tools,
$toolprivs,$fixedprivs,$userdata,
$usertools,$idx,$memchg,$states,
$stored,$gpterm);
my $prevtext = $$navbuttons{'gtps'};
if ($numchgs || $exp_or_del) {
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
$$states{$action}[$page+1],$nexttext);
} else {
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext);
}
return;
}
sub add_members_form {
my ($r,$cdom,$cnum,$action,$formname,$page,$startdate,$enddate,$groupname,
$description,$granularity,$quota,$sectioncount,$tools,$functions,
$stored,$states,$navbuttons,$gpterm,$ucgpterm)=@_;
$r->print(' <br />');
my @available = ();
my @unavailable = ();
&check_tools($functions,$tools,\@available,\@unavailable);
&print_current_settings($r,$action,$functions,$startdate,$enddate,
$groupname,$description,$granularity,$quota,
\@available,\@unavailable,$gpterm,$ucgpterm);
&membership_options($r,$cdom,$cnum,$action,$formname,$sectioncount,1,$gpterm,
$ucgpterm);
my $nexttext = $$navbuttons{'gtns'};
my $prevtext = $$navbuttons{'gtpp'};
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
$$states{$action}[$page+1],$nexttext);
return;
}
sub choose_privs_form {
my ($r,$cdom,$cnum,$action,$formname,$page,$startdate,$enddate,
$tools,$functions,$toolprivs,$fixedprivs,$userdata,$usertools,$idx,
$states,$stored,$sectioncount,$navbuttons,$gpterm,$ucgpterm,
$crstype) = @_;
my @regexps = ('userpriv_');
my $nexttext;
if ($action eq 'create') {
push(@regexps,'sec_');
$r->print(&Apache::lonhtmlcommon::echo_form_input(
['origin','action','state','page','sortby','autoadd','autodrop'],
\@regexps));
$nexttext = $$navbuttons{'crgr'};
} else {
$r->print(&Apache::lonhtmlcommon::echo_form_input(
['origin','action','state','page','sortby'],\@regexps));
$nexttext = $$navbuttons{'adme'};
}
&topic_bar($r,6,&mt('Setting optional privileges for specific group members'));
&member_privileges_form($r,$action,$formname,$tools,$toolprivs,
$fixedprivs,$userdata,$usertools,$idx,undef,
$states,$stored,$gpterm);
if ($action eq 'create') {
my $img1 = 7;
my $img2 = 8;
&mapping_options($r,$action,$formname,$page,$sectioncount,
$states,$stored,$navbuttons,$img1,$img2,
$gpterm,$ucgpterm,$crstype,$cdom,$cnum);
}
my $prevtext = $$navbuttons{'gtps'};
&display_navbuttons($r,$formname,$$states{$action}[$page-1],$prevtext,
$$states{$action}[$page+1],$nexttext);
return;
}
sub build_boxes {
my ($r,$tools,$usertools,$fixedprivs,$toolprivs,$showtools,
$showboxes,$prefix,$specificity,$excluded) = @_;
my $totalboxes = 0;
if (@{$tools} > 0) {
if ($specificity eq 'Yes') {
foreach my $tool (@{$tools}) {
@{$$showboxes{$tool}} = ();
foreach my $user (sort(keys(%{$usertools}))) {
if (ref($excluded) eq 'ARRAY') {
if (grep/^$user$/,@{$excluded}) {
next;
}
}
if ($$usertools{$user}{$tool}) {
unless (grep/^$tool$/,@{$showtools}) {
push(@{$showtools},$tool);
}
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
unless (exists($$fixedprivs{$tool}{$priv})) {
unless(grep(/^$priv$/,@{$$showboxes{$tool}})) {
push(@{$$showboxes{$tool}},$priv);
$totalboxes ++;
}
}
}
}
}
}
if ($totalboxes > 0) {
$r->print('
<script type="text/javascript">
function checkAllTools(formname) {
');
foreach my $tool (sort(keys(%{$showboxes}))) {
foreach my $priv (@{$$showboxes{$tool}}) {
$r->print(' checkAll(formname.'.$prefix.$priv.');'."\n");
}
}
$r->print('
}
function uncheckAllTools(formname) {
');
foreach my $tool (sort(keys(%{$showboxes}))) {
foreach my $priv (@{$$showboxes{$tool}}) {
$r->print(' uncheckAll(formname'.$prefix.$priv.');'."\n");
}
}
$r->print('
}
</script>
');
}
}
}
return $totalboxes;
}
sub member_privileges_form {
my ($r,$action,$formname,$tools,$toolprivs,$fixedprivs,$userdata,
$usertools,$idx,$memchg,$states,$stored,$gpterm) = @_;
my %lt = &Apache::lonlocal::texthash(
'addp' => 'Additional privileges',
'fixp' => 'Core privileges',
'oppr' => 'Optional privileges',
'func' => 'Tool',
'forf' => 'For the collaborative tools included for group '.
'members being added or modified, '.
'there are no optional privileges to set '.
'for specific members.',
'algr' => 'All new group members will receive the same privileges.', 'ifex' => 'If previously expired members are being re-enabled, or '.
'if access for future members is being activated now, '.
'previously set privileges will be preserved.',
'asno' => 'As no group members are being added, '.
'there are no specific user privileges to set.',
'asng' => 'As no group tools will be made available to users, '.
'there are no specific user privileges to set.',
'nogm' => 'No group member privileges to display or set, '.
'as you have not indicated that you will be activating,'.
' re-enabling, changing privileges, or adding/removing '.
'tools for any current members.',
'full' => 'Fullname',
'user' => 'Username',
'doma' => 'Domain',
);
my @defprivs;
my $specificity;
if ($action eq 'create') {
if (defined($env{'form.defpriv'})) {
@defprivs = &Apache::loncommon::get_env_multiple('form.defpriv');
}
$specificity = $env{'form.specificity'};
} else {
if (defined($$stored{'defpriv'})) {
@defprivs = @{$$stored{'defpriv'}};
}
$specificity = $$stored{'specificity'};
}
my @showtools;
my %showboxes = ();
my $numtools = 1 + @{$tools};
my @excluded = ();
my $numchgs = 0;
if ($formname eq 'change_privs') {
my @currmembers = ();
if (ref($$memchg{'deletion'}) eq 'ARRAY') {
push(@excluded,@{$$memchg{'deletion'}});
}
if (ref($$memchg{'expire'}) eq 'ARRAY') {
push(@excluded,@{$$memchg{'expire'}});
}
if (@excluded > 0) {
foreach my $user (sort(keys(%{$usertools}))) {
if (grep/^$user$/,@excluded) {
next;
}
push(@currmembers,$user);
}
} else {
@currmembers = sort(keys(%{$usertools}));
}
$numchgs = @currmembers;
if (!$numchgs) {
$r->print($lt{'nogm'});
return $numchgs;
}
}
my $totalboxes = &build_boxes($r,$tools,$usertools,$fixedprivs,
$toolprivs,\@showtools,\%showboxes,
'userpriv_',$specificity,\@excluded);
if (@{$tools} > 0) {
if ($specificity eq 'Yes') {
if ($totalboxes > 0) {
my $numcells = 2;
my $colspan = $numcells + 1;
my %total;
if (keys(%{$usertools}) > 1) {
$r->print('
<table border="0" cellspacing="2" cellpadding="2">
<tr>
');
foreach my $tool (@{$tools}) {
if (@{$showboxes{$tool}} > 0) {
$r->print('<td valign="top">');
$r->print('<table class="thinborder"><tr>'.
'<th colspan="'.$colspan.'">'.
$tool.'</th></tr><tr>');
my $privcount = 0;
foreach my $priv (@{$showboxes{$tool}}) {
$privcount ++;
if (($privcount == @{$showboxes{$tool}}) &&
($privcount > 1)) {
if ($privcount%$numcells) {
$r->print('<td colspan="'.$colspan.'">');
} else {
$r->print('<td>');
}
} else {
$r->print('<td>');
}
$r->print(qq|
<fieldset><legend><b>$$toolprivs{$tool}{$priv}</b></legend>
<nobr>
<input type="button" value="check all"
onclick="javascript:checkAll(document.$formname.userpriv_$priv)" />
<input type="button" value="uncheck all"
onclick="javascript:uncheckAll(document.$formname.userpriv_$priv)" />
</nobr></fieldset><br />|);
$r->print('</td>');
if ($privcount < @{$showboxes{$tool}}) {
if (@{$showboxes{$tool}} > 2) {
if ($privcount%$numcells == 0) {
$r->print('</tr><tr>');
}
} else {
$r->print('<tr></tr>');
}
}
}
$r->print('</tr></table></td><td> </td>');
}
}
$r->print('</tr></table>');
}
$r->print(&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row());
$r->print(<<"END");
<th>$lt{'full'}</th>
<th>$lt{'user'}</th>
<th>$lt{'doma'}</th>
<th colspan="$numtools">$lt{'addp'}</th>
END
$r->print(&Apache::loncommon::end_data_table_header_row());
&member_privs_entries($r,$usertools,$toolprivs,$fixedprivs,
$userdata,$idx,\@showtools,\@defprivs,
\@excluded);
$r->print(&Apache::loncommon::end_data_table());
} else {
$r->print($lt{'forf'}.'<br />');
&display_defprivs($r,$tools,$toolprivs,\@defprivs);
}
} else {
if (keys(%{$usertools}) > 0) {
$r->print($lt{'algr'}.'<br />'.$lt{'ifex'}.'<br /><br />');
&display_defprivs($r,$tools,$toolprivs,\@defprivs);
} else {
$r->print($lt{'asno'}.'<br />');
}
}
} else {
$r->print($lt{'asng'});
}
return $numchgs;
}
sub process_request {
my ($r,$cdom,$cnum,$action,$state,$page,$groupname,$description,
$specificity,$userdata,$startdate,$enddate,$tools,$functions,$toolprivs,
$usertools,$idx,$types,$roles,$sections,$states,$navbuttons,$memchg,
$sectioncount,$stored,$gpterm,$ucgpterm,$crstype) = @_;
$r->print(&Apache::lonhtmlcommon::echo_form_input(
['origin','action','state','page','sortby']));
my $earlyout = &validate_groupname($groupname,$action,$cdom,$cnum,$gpterm,
$ucgpterm,$crstype);
if ($earlyout) {
$r->print('
<table width="100%" cellpadding="0" cellspacing="0" border="0">
<tr>
<td> </td>
<td colspan="3">
'.$earlyout.'</td></tr>');
&display_navbuttons($r,$state,$$states{$action}[$page-1],
$$navbuttons{'gtps'});
$r->print('</table>');
return;
}
my @defprivs = ();
if ($action eq 'create' || $state eq 'chgresult') {
if (defined($env{'form.defpriv'})) {
@defprivs = &Apache::loncommon::get_env_multiple('form.defpriv');
}
if ($state eq 'chgresult') {
my @okprivs = ();
foreach my $tool (@{$tools}) {
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
push(@okprivs,$priv);
}
}
my @temp = ();
foreach my $defpriv (@defprivs) {
if (grep/^$defpriv$/,@okprivs) {
push(@temp,$defpriv);
}
}
@defprivs = @temp;
}
} else {
if (defined($$stored{'defpriv'})) {
@defprivs = @{$$stored{'defpriv'}};
}
}
my $outcome;
if ($action eq 'create' || $state eq 'chgresult') {
$outcome = &write_group_data($r,$cdom,$cnum,$action,$state,$groupname,
$description,$startdate,$enddate,
$specificity,$functions,$tools,
$sectioncount,$roles,$types,$sections,
\@defprivs,$stored,$gpterm,$ucgpterm,
$crstype);
}
if (($action eq 'create' && $outcome eq 'ok') || (($action eq 'modify') &&
(($state eq 'memresult') || ($state eq 'addresult')))) {
&process_membership($r,$cdom,$cnum,$action,$state,$groupname,$tools,
$enddate,$startdate,$userdata,$idx,$toolprivs,
$usertools,$specificity,\@defprivs,$memchg,$gpterm,
$ucgpterm);
}
return;
}
sub write_group_data {
my ($r,$cdom,$cnum,$action,$state,$groupname,$description,$startdate,
$enddate,$specificity,$functions,$tools,$sectioncount,$roles,$types,
$sections,$defprivs,$stored,$gpterm,$ucgpterm,$crstype) = @_;
my $now = time;
my $creation = $now;
my $creator = $env{'user.name'}.':'.$env{'user.domain'};
if ($state eq 'chgresult') {
$creation = $$stored{'creation'};
$creator = $$stored{'creator'};
}
my $esc_description = &escape($description);
my @single_attributes = ('description','functions','startdate','enddate',
'creation','modified','creator','granularity',
'specificity','autoadd','autodrop','quota');
my @mult_attributes = ('roles','types','sectionpick','defpriv');
my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,
$stored);
my $quota = $env{'form.quota'};
$quota =~ s/^\s*([^\s]*)\s*$/$1/;
if ($quota eq '') {
$quota = 0;
}
if ($quota !~ /^\d*\.?\d*$/) {
$quota = 0;
$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));
}
if ($quota > $maxposs) {
$quota = $maxposs;
$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,sprintf("%.2f",$maxposs)));
}
my %groupinfo = (
description => $esc_description,
startdate => $startdate,
enddate => $enddate,
creation => $creation,
modified => $now,
creator => $creator,
granularity => $env{'form.granularity'},
specificity => $specificity,
autoadd => $env{'form.autoadd'},
autodrop => $env{'form.autodrop'},
quota => $quota,
);
foreach my $func (keys(%{$functions})) {
my $status;
if (grep(/^$func$/,@{$tools})) {
$status = 'on';
} else {
$status = 'off';
}
$groupinfo{'functions'} .= qq|<name id="$func">$status</name>|;
}
$groupinfo{'roles'} = $roles;
$groupinfo{'types'} = $types;
$groupinfo{'sectionpick'} = $sections;
$groupinfo{'defpriv'} = $defprivs;
my %groupsettings = ();
foreach my $item (@single_attributes) {
$groupsettings{$groupname} .= qq|<$item>$groupinfo{$item}</$item>|;
}
foreach my $item (@mult_attributes) {
foreach my $entry (@{$groupinfo{$item}}) {
$groupsettings{$groupname} .= qq|<$item>$entry</$item>|;
}
}
my $autosec;
my @autorole = &Apache::loncommon::get_env_multiple('form.autorole');
foreach my $role (@autorole) {
if (defined($env{'form.sec_'.$role})) {
my @autosections=&Apache::loncommon::get_env_multiple('form.sec_'.
$role);
$autosec .= '<role id="'.$role.'">';
foreach my $sec (@autosections) {
$autosec .= '<section>'.$sec.'</section>';
}
$autosec .= '</role>';
}
}
if ($autosec) {
$groupsettings{$groupname} .= qq|<autosec>$autosec</autosec>|;
}
my $result = &Apache::lonnet::modify_coursegroup($cdom,$cnum,
\%groupsettings);
if ($result eq 'ok') {
if ($action eq 'create') {
my $result = &add_group_folder($cdom,$cnum,$now,$groupname,$action,
$description,$tools,\%groupinfo,
$gpterm,$ucgpterm,$crstype);
if ($result ne 'ok') {
$r->print(&mt('A problem occurred when creating folders for the new [_1].<br />[_2]<br />',$gpterm,$result));
}
$r->print(&mt('[_1] [_2] was created.<br />',$ucgpterm,$groupname));
} elsif ($action eq 'modify') {
my (@oldtools,@newtools);
if (ref($$stored{'tool'}) eq 'ARRAY') {
@oldtools = @{$$stored{'tool'}};
}
if (ref($tools) eq 'ARRAY') {
@newtools = @{$tools};
}
if (!grep(/^discussion$/,@oldtools) &&
grep(/^discussion$/,@newtools)) {
my $crspath = '/uploaded/'.$cdom.'/'.$cnum.'/';
my $boardsmap = $crspath.'group_boards_'.$groupname.'.sequence';
my $navmap = Apache::lonnavmaps::navmap->new();
my $bbmapres = $navmap->getResourceByUrl($boardsmap);
undef($navmap);
if (!$bbmapres) {
my $grpmap = $crspath.'group_folder_'.$groupname.'.sequence';
my $disctitle = &mt('Discussion Boards');
my $outcome = &map_updater($cdom,$cnum,'group_boards_'.
$groupname.'.sequence','bbseq',
$disctitle,$grpmap);
my ($furl,$ferr) =
&Apache::lonuserstate::readmap($cdom.'/'.$cnum);
$navmap = Apache::lonnavmaps::navmap->new();
# modify parameter
if ($outcome eq 'ok') {
my $parm_result = &parm_setter($navmap,$cdom,$boardsmap,
$groupname);
if ($parm_result) {
$r->print(&mt('Error while setting parameters '.
'for Discussion Boards folder: '.
'[_1]<br />.',$parm_result));
} else {
$r->print(&mt('Discussion Boards Folder created.<br />'));
}
} else {
$r->print($outcome);
}
undef($navmap);
}
}
$r->print(&mt('[_1] [_2] was updated.<br />',$ucgpterm,$groupname));
}
} else {
my %actiontype = (
'create' => 'creating',
'modify' => 'modifying',
);
&Apache::lonnet::logthis("Failed to store $gpterm $groupname ".
'in '.lc($crstype).': '.$cnum.
' in domain: '.$cdom);
$r->print(&mt('An error occurred when [_1] the [_2]. '.
'Please try again.',$actiontype{$action},$gpterm));
}
return $result;
}
sub process_membership {
my ($r,$cdom,$cnum,$action,$state,$groupname,$tools,$enddate,$startdate,
$userdata,$idx,$toolprivs,$usertools,$specificity,$defprivs,$memchg,
$gpterm,$ucgpterm)=@_;
my %usersettings = ();
my %added= ();
my %failed = ();
my $num_ok = 0;
my $num_fail = 0;
my %group_privs = ();
my %curr_privs = ();
my %curr_start = ();
my %curr_end = ();
my %tooltype = ();
foreach my $tool (@{$tools}) {
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
$tooltype{$priv} = $tool;
if ($specificity eq 'Yes') {
my @users =
&Apache::loncommon::get_env_multiple('form.userpriv_'.$priv);
foreach my $user (@users) {
$group_privs{$user} .= $priv.':';
if ($state eq 'memresult') {
unless (exists($$usertools{$user}{$tool})) {
$$usertools{$user}{$tool} = 1;
}
}
}
} else {
if (@{$defprivs} > 0) {
if (grep/^\Q$priv\E$/,@{$defprivs}) {
foreach my $user (sort(keys(%{$usertools}))) {
if ($$usertools{$user}{$tool}) {
$group_privs{$user} .= $priv.':';
}
}
}
}
}
}
}
foreach my $user (keys(%group_privs)) {
$group_privs{$user} =~ s/:$//;
}
my $now = time;
my @activate = ();
my @expire = ();
my @deletion = ();
my @reenable = ();
my @unchanged = ();
if ($state eq 'memresult') {
if (ref($$memchg{'activate'}) eq 'ARRAY') {
@activate = @{$$memchg{'activate'}};
}
if (ref($$memchg{'expire'}) eq 'ARRAY') {
@expire = @{$$memchg{'expire'}};
}
if (ref($$memchg{'deletion'}) eq 'ARRAY') {
@deletion = @{$$memchg{'deletion'}};
}
if (ref($$memchg{'reenable'}) eq 'ARRAY') {
@reenable = @{$$memchg{'reenable'}};
}
my %membership = &Apache::lonnet::get_group_membership($cdom,$cnum,
$groupname);
foreach my $key (sort(keys(%membership))) {
if ($key =~ /^\Q$groupname\E:([^:]+:[^:]+)$/) {
($curr_end{$1},$curr_start{$1},$curr_privs{$1}) =
split(/:/,$membership{$key},3);
}
}
if (@expire + @deletion > 0) {
foreach my $user (@expire) {
my $savestart = $curr_start{$user};
if ($savestart > $now) {
$savestart = $now;
}
$usersettings{$groupname.':'.$user} = $now.':'.$savestart.':'.
$curr_privs{$user};
if (&Apache::lonnet::modify_group_roles($cdom,$cnum,$groupname,
$user,$now,$savestart,
$curr_privs{$user}) eq 'ok') {
push(@{$added{'expired'}},$user);
$num_ok ++;
} else {
push(@{$failed{'expired'}},$user);
$num_fail ++;
}
}
foreach my $user (@deletion) {
$usersettings{$groupname.':'.$user} = $now.':-1:';
if (&Apache::lonnet::modify_group_roles($cdom,$cnum,$groupname,
$user,$now,'-1','')
eq 'ok') {
push(@{$added{'deleted'}},$user);
$num_ok ++;
} else {
push(@{$failed{'deleted'}},$user);
$num_fail ++;
}
}
}
}
foreach my $user (sort(keys(%{$usertools}))) {
if ((grep(/^$user$/,@expire)) || (grep(/^$user$/,@deletion))) {
next;
}
my $type;
my $start = $startdate;
my $end = $enddate;
if ($state eq 'memresult') {
if (@activate > 0) {
if (grep/^$user$/,@activate) {
$start = $now;
$end = $enddate;
$type = 'activated';
}
}
if (@reenable > 0) {
if (grep/^$user$/,@reenable) {
$start = $startdate;
$end = $enddate;
$type = 'reenabled';
}
}
if ($type eq '') {
if ($curr_privs{$user} eq $group_privs{$user}) {
push(@unchanged,$user);
next;
}
if (exists($curr_start{$user})) {
$start = $curr_start{$user};
}
if (exists($curr_end{$user})) {
$end = $curr_end{$user};
}
$type = 'modified';
}
} else {
$type = 'added';
}
$usersettings{$groupname.':'.$user} = $end.':'.$start.':'.
$group_privs{$user};
if (&Apache::lonnet::modify_group_roles($cdom,$cnum,$groupname,
$user,$end,$start,
$group_privs{$user}) eq 'ok') {
push(@{$added{$type}},$user);
$num_ok ++;
} else {
push(@{$failed{$type}},$user);
$num_fail ++;
}
}
my $roster_result = &Apache::lonnet::modify_coursegroup_membership($cdom,
$cnum,\%usersettings);
if ($num_ok) {
foreach my $type (sort(keys(%added))) {
$r->print(&mt('The following users were successfully [_1]',$type));
if (!($type eq 'deleted' || $type eq 'expired')) {
$r->print(&mt(' with the following privileges'));
}
$r->print(':<br />');
foreach my $user (@{$added{$type}}) {
my $privlist = '';
if (!($type eq 'deleted' || $type eq 'expired')) {
$privlist = ': ';
my @privs = split(/:/,$group_privs{$user});
my $curr_tool = '';
foreach my $priv (@privs) {
unless ($curr_tool eq $tooltype{$priv}) {
$curr_tool = $tooltype{$priv};
$privlist .= '<b>'.$curr_tool.'</b>: ';
}
$privlist .= $$toolprivs{$curr_tool}{$priv}.', ';
}
$privlist =~ s/, $//;
}
$r->print($$userdata{$user}[$$idx{fullname}].' - '.$user.$privlist.'<br />');
}
$r->print('<br />');
}
}
if ($num_fail) {
foreach my $type (sort(keys(%failed))) {
$r->print(&mt('The following users could not be [_1], because an error occurred:<br />',$type));
foreach my $user (@{$failed{$type}}) {
$r->print($$userdata{$user}[$$idx{fullname}].' - '.$user.'<br />');
}
}
$r->print('<br />');
}
if (@unchanged > 0) {
$r->print(&mt('No change occurred for the following users:<br />'));
foreach my $user (sort(@unchanged)) {
$r->print($$userdata{$user}[$$idx{fullname}].' - '.$user.'<br />');
}
$r->print('<br />');
}
if ($roster_result eq 'ok') {
$r->print('<br />'.&mt('[_1] membership list updated.',$ucgpterm));
$r->print('<p>'.&mt("Any currently logged in course users affected by the changes you made to group membership or privileges for the [_1] group will need to log out and log back in for their LON-CAPA sessions to reflect these changes.",$groupname).'</p>');
} else {
$r->print('<br />'.&mt('An error occurred while updating the [_1] membership list -',$gpterm).$roster_result.'<br />');
}
return;
}
sub mapping_options {
my ($r,$action,$formname,$page,$sectioncount,$states,$stored,
$navbuttons,$img1,$img2,$gpterm,$ucgpterm,$crstype,$cdom,$cnum) = @_;
my %lt = &Apache::lonlocal::texthash(
'auto' => "Settings for automatic $gpterm enrollment",
'gmma' => "$ucgpterm membership mapping to specific sections/roles",
'endi' => "Enable/disable automatic $gpterm enrollment for ".
"users in specified roles and sections",
'adds' => "If automatic $gpterm enrollment is enabled, when a user is newly assigned a ".lc($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.",
'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.",
'pirs' => "Pick roles and sections for automatic $gpterm enrollment",
'curr' => 'Currently set to',
'on' => 'on',
'off' => 'off',
'auad' => "Automatically enable $gpterm membership when roles are added?",
'auex' => "Automatically expire $gpterm membership when roles are removed?",
'mapr' => "Mapping of roles and sections affected by automatic $gpterm enrollment/disenrollment follows scheme chosen below.",
);
&automapping($r,$action,$stored,\%lt,$img1);
&mapping_settings($r,$sectioncount,\%lt,$stored,$img2,$crstype,$cdom,$cnum,
$action);
return;
}
sub automapping {
my ($r,$action,$stored,$lt,$image) = @_;
my $add = 'off';
my $drop = 'off';
if (exists($$stored{'autoadd'})) {
$add = $$stored{'autoadd'};
}
if (exists($$stored{'autodrop'})) {
$drop = $$stored{'autodrop'};
}
&topic_bar($r,$image,$$lt{'endi'});
$r->print('
<b>'.$$lt{'gmma'}.':</b><br />'.$$lt{'adds'}.'<br />'.$$lt{'drops'}.'<br /><br />
<nobr>'.$$lt{'auad'}.':
<label><input type="radio" name="autoadd" value="on" />on </label><label><input type="radio" name="autoadd" value="off" checked="checked" />off</label>');
if ($action eq 'modify') {
$r->print(' ('.$$lt{'curr'}.' <b>'.$$lt{$add}.'</b>)');
}
$r->print('
</nobr><br />
<nobr>'.$$lt{'auex'}.':
<label><input type="radio" name="autodrop" value="on" />on </label><label><input type="radio" name="autodrop" value="off" checked="checked" />off</label>');
if ($action eq 'modify') {
$r->print(' ('.$$lt{'curr'}.' <b>'.$$lt{$drop}.'</b>)');
}
$r->print('</nobr><br /><br />'.$$lt{'mapr'});
}
sub mapping_settings {
my ($r,$sectioncount,$lt,$stored,$image,$crstype,$cdom,$cnum,$action) = @_;
my @sections = keys(%{$sectioncount});
if (@sections > 0) {
@sections = sort {$a cmp $b} @sections;
unshift(@sections,'none'); # Put 'no sections' next
unshift(@sections,'all'); # Put 'all' at the front of the list
} else {
@sections = ('all','none');
}
&topic_bar($r,$image,$$lt{'pirs'});
my @roles = &standard_roles();
my %customroles = &Apache::lonhtmlcommon::course_custom_roles($cdom,$cnum);
$r->print(&Apache::loncommon::start_data_table().
&Apache::loncommon::start_data_table_header_row());
$r->print('
<th>'.&mt('Active?').'</th>
<th>'.&mt('Role').'</th>');
if (@sections > 0) {
$r->print('<th>'.&mt('Sections').'</th>');
}
$r->print(&Apache::loncommon::end_data_table_header_row()."\n");
foreach my $role (@roles) {
my $roletitle=&Apache::lonnet::plaintext($role,$crstype);
$r->print(&print_autorole_item($role,$roletitle,\@sections));
}
my @customs;
foreach my $role (sort(keys(%customroles))) {
my ($roletitle) = ($role =~ m|^cr/[^/]+/[^/]+/(.+)$|);
push (@customs,$role);
$r->print(&print_autorole_item($role,$roletitle,\@sections));
}
if ($action eq 'modify') {
foreach my $role (@{$$stored{'autorole'}}) {
if ((!grep(/^\Q$role\E$/,@customs)) &&
(!grep(/^\Q$role\E$/,@roles))) {
my $roletitle;
if ($role =~ /^cr/) {
($roletitle) = ($role =~ m|_([^_]+)$|);
} else {
$roletitle = &Apache::lonnet::plaintext($role,$crstype);
}
$r->print(&print_autorole_item($role,$roletitle,\@sections));
}
}
}
$r->print(&Apache::loncommon::end_data_table());
return;
}
sub print_autorole_item {
my ($role,$roletitle,$sections) = @_;
my $sections_sel;
if (@{$sections} > 0) {
if ($role eq 'cc') {
$sections_sel = '<td align="right">'.
&mt('all sections').'<input type="hidden" '.
'name="sec_cc" value="all" /></td>';
} else {
$sections_sel='<td align="right">'.
§ions_selection($sections,'sec_'.$role).
'</td>';
}
}
my $output = &Apache::loncommon::start_data_table_row().
'<td><input type="checkbox" '.
'name="autorole" value="'.$role.'" />'.
'</td><td>'.$roletitle.'</td>'.$sections_sel.
&Apache::loncommon::end_data_table_row();
return $output;
}
sub standard_roles {
my @roles = ('cc','in','ta','ep','st');
return @roles;
}
sub modify_menu {
my ($r,$groupname,$page,$gpterm) = @_;
my @menu =
(
{ text => "Modify default $gpterm settings",
help => 'Course_Modify_Group',
state => 'change_settings',
branch => 'settings',
},
{ text => 'Modify access, tools and/or privileges for previous, '.
'future, or current members',
help => 'Course_Modify_Group_Membership',
state => 'change_members',
branch => 'members',
},
{ text => "Add member(s) to the $gpterm",
help => 'Course_Group_Add_Members',
state => 'add_members',
branch => 'adds',
},
);
my $menu_html = '';
foreach my $menu_item (@menu) {
$menu_html .=
'<p><font size="+1"><a href="/adm/coursegroups?action=modify&refpage='.$env{'form.refpage'}.'&groupname='.$groupname.'&state='.$menu_item->{'state'}.'&branch='.$menu_item->{'branch'}.'">';
$menu_html.= &mt($menu_item->{'text'}).'</a></font>';
if (exists($menu_item->{'help'})) {
$menu_html.=
&Apache::loncommon::help_open_topic($menu_item->{'help'});
}
$menu_html.='</p>'.$/;
}
$r->print($menu_html);
return;
}
sub member_privs_entries {
my ($r,$usertools,$toolprivs,$fixedprivs,$userdata,$idx,$showtools,
$defprivs,$excluded) = @_;
foreach my $user (sort(keys(%{$usertools}))) {
if (defined($excluded)) {
if (ref($excluded) eq 'ARRAY') {
if (grep/^$user$/,@{$excluded}) {
next;
}
}
}
my ($uname,$udom) = split(/:/,$user);
$r->print(&Apache::loncommon::start_data_table_row().'
<td>'.$$userdata{$user}[$$idx{fullname}].'</td>
<td>'.$uname.'</td>
<td>'.$udom.'</td>
<td valign="top">
<table>
<tr>
<td><b>'.
&mt('Collaborative Tool').'</b></td>
</tr>
<tr>
<td><b>'.&mt('Fixed').'</b></td>
</tr>
<tr>
<td><b>'.&mt('Optional').'</b></td>
</tr>
</table>
</td>');
foreach my $tool (@{$showtools}) {
if (exists($$usertools{$user}{$tool})) {
$r->print('<td valign="top"><table><tr><th colspan="2">'.$tool.'</th></tr>');
my $privcount = 0;
my $fixed = '';
my $dynamic = '';
foreach my $priv (sort(keys(%{$$toolprivs{$tool}}))) {
if (exists($$fixedprivs{$tool}{$priv})) {
$fixed .= '<input type="hidden" name="userpriv_'.$priv.'" value="'.$user.'" />'.$$toolprivs{$tool}{$priv}.' ';
} else {
$privcount ++;
if ($privcount == 3) {
$dynamic .= '</tr><tr>';
}
$dynamic .='<td><nobr><label><input type="checkbox" '.
'name="userpriv_'.$priv.'" value="'.$user.'"';
if (grep/^\Q$priv\E$/,@{$defprivs}) {
$dynamic .= ' checked="checked" ';
}
$dynamic .= ' />'.$$toolprivs{$tool}{$priv}.
'</label></nobr></td>';
}
}
$r->print('<tr><td colspan="2"><nobr>'.$fixed.'</nobr></td></tr><tr>'.$dynamic.'</tr></table></td>');
} else {
$r->print('<td valign="top"><table width="100%"><tr><th colspan="2">'.$tool.'</th></tr><tr><td> </td></tr><tr><td> </td></tr></table></td>');
}
}
$r->print(&Apache::loncommon::end_data_table_row());
}
}
sub get_dates_from_form {
my $startdate;
my $enddate;
$startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate');
$enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate');
if ( exists ($env{'form.no_end_date'}) ) {
$enddate = 0;
}
return ($startdate,$enddate);
}
sub date_setting_table {
my ($starttime,$endtime,$formname) = @_;
my $startform = &Apache::lonhtmlcommon::date_setter($formname,
'startdate',$starttime);
my $endform = &Apache::lonhtmlcommon::date_setter($formname,
'enddate',$endtime);
my $perpetual =
'<nobr><label><input type="checkbox" name="no_end_date" />'.
&mt('None').'</label></nobr>';
my $table = "<table class=\"LC_descriptive_input\">\n".
'<tr><td class="LC_description">'.&mt('Start:').'</td>'.
'<td>'.$startform.'</td>'.
'<td> </td>'."</tr>\n".
'<tr><td class="LC_description">'.&mt('End:').'</td>'.
'<td>'.$endform.'</td>'.
'<td>'.$perpetual.'</td>'."</tr>\n".
"</table>\n";
return $table;
}
sub add_group_folder {
my ($cdom,$cnum,$now,$groupname,$action,$description,$tools,$groupinfo,
$gpterm,$ucgpterm,$crstype) = @_;
if ($cdom eq '' || $cnum eq '') {
return &mt('Error: invalid course domain or number - group folder creation failed');
}
my ($outcome,$allgrpsmap,$grpmap,$boardsmap,$grppage,$warning);
my $crspath = '/uploaded/'.$cdom.'/'.$cnum.'/';
$allgrpsmap = $crspath.'group_allfolders.sequence';
if ($action eq 'create') {
if (&get_folder_lock($cdom,$cnum,'group_allfolders',$now) eq 'ok') {
# check if group_allfolders.sequence exists.
my $mapcontents = &Apache::lonnet::getfile($allgrpsmap);
if ($mapcontents eq '-1') { #file does not exist;
my $grpstitle = &mt('[_1] [_2]s',$crstype,$ucgpterm);
my $topmap_url = '/'.$env{'course.'.$env{'request.course.id'}.'.url'};
$topmap_url =~ s|/+|/|g;
if ($topmap_url =~ m|^/uploaded|) {
$outcome = &map_updater($cdom,$cnum,'group_allfolders.sequence',
'toplevelgroup',$grpstitle,$topmap_url);
} else {
$outcome = &mt('Non-standard course - folder for all groups not added.');
}
if ($outcome ne 'ok') {
my $delresult = &release_folder_lock($cdom,$cnum,'group_allfolders');
if ($delresult ne 'ok') {
$warning = $delresult;
}
return $outcome;
}
}
my $delresult = &release_folder_lock($cdom,$cnum,'group_allfolders');
if ($delresult ne 'ok') {
$warning = $delresult ;
}
} else {
$outcome = &mt('Could not obtain exclusive lock to check status of the folder for all groups. No group folder added.');
return $outcome;
}
my $grpfolder = &mt('[_1] Folder -',$ucgpterm,).$description;
$grppage='/adm/'.$cdom.'/'.$cnum.'/'.$groupname.'/smppg';
my $grptitle = &mt('Group homepage').' - '.$description;
my ($discussions,$disctitle);
my $outcome = &map_updater($cdom,$cnum,'group_folder_'.$groupname.'.sequence',
'grpseq',$grpfolder,$allgrpsmap,$grppage,
$grptitle);
if ($outcome ne 'ok') {
return $outcome.$warning;
}
my $pageout = &create_homepage($cdom,$cnum,$groupname,$groupinfo,
$tools,$gpterm,$ucgpterm,$now);
# Link to folder for bulletin boards
$grpmap = $crspath.'group_folder_'.$groupname.'.sequence';
if (grep/^discussion$/,@{$tools}) {
$disctitle = &mt('Discussion Boards');
my $outcome = &map_updater($cdom,$cnum,'group_boards_'.$groupname.
'.sequence','bbseq',$disctitle,$grpmap);
if ($outcome ne 'ok') {
return $outcome.$warning;
}
$boardsmap = $crspath.'group_boards_'.$groupname.'.sequence';
}
} else {
#modify group folder if status of discussions tools is changed
}
my ($furl,$ferr)= &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
my $navmap = Apache::lonnavmaps::navmap->new();
# modify parameters
my $parm_result;
if ($action eq 'create') {
if ($grpmap) {
$parm_result .= &parm_setter($navmap,$cdom,$grpmap,$groupname);
}
if ($grppage) {
$parm_result .= &parm_setter($navmap,$cdom,$grppage,$groupname);
}
if ($boardsmap) {
$parm_result .= &parm_setter($navmap,$cdom,$boardsmap,$groupname);
}
}
undef($navmap);
if ($parm_result) {
return $warning.$parm_result;
} else {
return 'ok';
}
}
sub get_folder_lock {
my ($cdom,$cnum,$folder_name,$now) = @_;
# get lock for folder being edited.
my $lockhash = {
$folder_name."\0".'locked_folder' => $now.':'.$env{'user.name'}.
':'.$env{'user.domain'},
};
my $tries = 0;
my $gotlock = &Apache::lonnet::newput('coursegroups',$lockhash,$cdom,$cnum);
while (($gotlock ne 'ok') && $tries <3) {
$tries ++;
sleep(1);
$gotlock = &Apache::lonnet::newput('coursegroups',$lockhash,$cdom,$cnum);
}
return $gotlock;
}
sub release_folder_lock {
my ($cdom,$cnum,$folder_name) = @_;
# remove lock
my @del_lock = ($folder_name."\0".'locked_folder');
my $dellockoutcome=&Apache::lonnet::del('coursegroups',\@del_lock,$cdom,$cnum);
if ($dellockoutcome ne 'ok') {
return ('<br />'.&mt('Warning: failed to release lock for folder: [_1].',$folder_name).'<br />');
} else {
return 'ok';
}
}
sub map_updater {
my ($cdom,$cnum,$newfile,$itemname,$itemtitle,$parentmap,$startsrc,
$starttitle,$endsrc,$endtitle) = @_;
my $outcome;
$env{'form.'.$itemname} = &new_map($startsrc,$starttitle,$endsrc,
$endtitle);
my $newmapurl=&Apache::lonnet::finishuserfileupload($cnum,$cdom,$itemname,
$newfile);
if ($newmapurl !~ m|^/uploaded|) {
$outcome = &mt('Error uploading new folder.')." ($newfile): $newmapurl".'<br />';
return $outcome;
}
my ($errtext,$fatal)=&LONCAPA::map::mapread($parentmap);
if ($fatal) {
$outcome = &mt('Error reading contents of parent folder')." ($parentmap): $errtext".'<br />';
return $outcome;
} else {
my $newidx=&LONCAPA::map::getresidx($newmapurl);
$LONCAPA::map::resources[$newidx] = $itemtitle.':'.$newmapurl.
':false:normal:res';
$LONCAPA::map::order[1+$#LONCAPA::map::order]=$newidx;
my ($outtext,$errtext) = &LONCAPA::map::storemap($parentmap,1);
if ($errtext) {
$outcome = &mt('Error saving updated parent folder')." ($parentmap): $errtext".'<br />';
return $outcome;
}
}
return 'ok';
}
sub new_map {
my ($startsrc,$starttitle,$endsrc,$endtitle) = @_;
my $newmapstr = '
<map>
<resource id="1" src="'.$startsrc.'" type="start" title="'.$starttitle.'"></resource>
<link from="1" to="2" index="1"></link>
<resource id="2" src="'.$endsrc.'" type="finish" title="'.$endtitle.'"></resource>
</map>
';
return $newmapstr;
}
sub parm_setter {
my ($navmap,$cdom,$url,$groupname) = @_;
my $allresults;
my %hide_settings = (
'course' => {
'num' => 13,
'set' => 'yes',
},
'group' => {
'num' => 5,
'set' => 'no',
'extra' => $groupname,
},
);
my $res = $navmap->getResourceByUrl($url);
if ($res) {
my $symb = $res->symb();
foreach my $level (keys(%hide_settings)) {
my $parmresult =
&Apache::lonparmset::storeparm_by_symb($symb,
'0_hiddenresource',
$hide_settings{$level}{'num'},
$hide_settings{$level}{'set'},
'string_yesno',undef,$cdom,
undef,undef,
$hide_settings{$level}{'extra'});
if ($parmresult) {
$allresults .= $level.': '.$parmresult;
}
}
} else {
$allresults = &mt('Parameters not set for [_1] because the resource was not recognized as part of the course',$url).'<br />';
}
return $allresults;
}
sub create_homepage {
my ($cdom,$cnum,$name,$groupinfo,$tools,$gpterm,$ucgpterm,$now) = @_;
my $functionality = join(',',@{$tools});
my $content = &unescape($$groupinfo{description});
$content=~s/\s+$//s;
$content=~s/^\s+//s;
$content=~s/\<br\s*\/*\>$//s;
$content=&Apache::lonfeedback::clear_out_html($content,1);
my %pageinfo = (
'aaa_title' => "$ucgpterm: $name",
'abb_links' => $functionality,
'bbb_content' => $content,
'ccc_webreferences' => '',
'uploaded.lastmodified' => $now,
);
my $putresult = &Apache::lonnet::put('grppage_'.$name,\%pageinfo,$cdom,$cnum);
return $putresult;
}
sub check_uncheck_tools {
my ($r,$available) = @_;
if (ref($available) eq 'ARRAY') {
$r->print('
<script type="text/javascript">
function checkAllTools(formname) {
');
foreach my $tool (@{$available}) {
$r->print(' checkAll(formname.user_'.$tool.');'."\n");
}
$r->print(' checkAll(formname.togglefunc);'."\n");
$r->print('
}
function uncheckAllTools(formname) {
');
foreach my $tool (@{$available}) {
$r->print(' uncheckAll(formname.user_'.$tool.');'."\n");
}
$r->print(' uncheckAll(formname.togglefunc);'."\n");
$r->print('
}
function toggleTools(field,caller) {
if (caller.checked) {
checkAll(field);
} else {
uncheckAll(field);
}
return;
}
</script>
');
}
return;
}
sub validate_groupname {
my ($groupname,$action,$cdom,$cnum,$gpterm,$ucgpterm,$crstype) = @_;
my %sectioncount = &Apache::loncommon::get_sections($cdom,$cnum);
my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
my %deleted_groups = &Apache::longroup::coursegroups($cdom,$cnum,undef,
'deleted_groups');
if (my $tmp = &Apache::lonnet::error(%deleted_groups)) {
undef(%deleted_groups);
&Apache::lonnet::logthis('Error retrieving groups: '.$tmp.' in '.$cnum.':'.$cdom);
}
my %lt = &Apache::lonlocal::texthash (
igna => "Invalid $gpterm name",
tgne => "The $gpterm name entered ",
grna => "$ucgpterm names and section names used in a ".
"$crstype must be unique.",
isno => "is not a valid name.",
gnmo => "$ucgpterm names may only contain letters, ".
"numbers or underscores.",
cnnb => "can not be used as it is the name of ",
inth => " in this $crstype",
thgr => "- does not correspond to the name of an ".
"existing $gpterm",
);
my $exitmsg = '<span class="LC_error">'.$lt{'igna'}.'</span><br /><br />'.
$lt{'tgne'}.' "'.$groupname.'" ';
my $dupmsg = $lt{'grna'};
my $earlyout;
if (($groupname eq '') || ($groupname =~ /\W/)) {
$earlyout = $exitmsg.$lt{'isno'}.'<br />'.$lt{'gnmo'};
return $earlyout;
}
if (exists($sectioncount{$groupname})) {
return $exitmsg.$lt{'cnnb'}.&mt('a section').$lt{'inth'}.
'<br />'.$lt{'grna'};
}
if ($action eq 'create') {
if (exists($curr_groups{$groupname})) {
return $exitmsg.$lt{'cnnb'}.&mt('an existing [_1]',$gpterm).
$lt{'inth'}.'.<br />'.$lt{'grna'};
} elsif (exists($deleted_groups{$groupname})) {
return $exitmsg.$lt{'cnnb'}.&mt('a [_1] which previously existed',$gpterm).
$lt{'inth'}.'.<br />'.$lt{'grna'};
}
} elsif ($action eq 'modify') {
unless(exists($curr_groups{$groupname})) {
$earlyout = &mt('[_1] name:',$ucgpterm).' '.$groupname.$lt{'thgr'}.
$lt{'inth'};
return $earlyout;
}
}
return;
}
sub topic_bar {
my ($r,$imgnum,$title) = @_;
$r->print('
<div class="LC_topic_bar">
<img alt="'.&mt('Step [_1]',$imgnum).
'"src="/res/adm/pages/bl_step'.$imgnum.'.gif" />
<span>'.$title.'</span>
</div>
');
return;
}
sub check_changes {
my ($member_changes,$memchg) = @_;
my %exclusions;
@{$exclusions{'changefunc'}} = ('expire');
@{$exclusions{'changepriv'}} = ('expire','changefunc');
foreach my $change (@{$member_changes}) {
if ($change eq 'deletion') {
next;
}
my @checks = ('deletion');
if (exists($exclusions{$change})) {
push(@checks,@{$exclusions{$change}});
}
my @temp = ();
foreach my $item (@{$$memchg{$change}}) {
my $match = 0;
foreach my $check (@checks) {
if (defined($$memchg{$check})) {
if (ref(@{$$memchg{$check}}) eq 'ARRAY') {
if (@{$$memchg{$check}} > 0) {
if (grep/^$item$/,@{$$memchg{$check}}) {
$match = 1;
last;
}
}
}
}
}
if ($match) {
next;
}
push(@temp,$item);
}
@{$$memchg{$change}} = @temp;
}
}
1;
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