--- loncom/interface/loncoursegroups.pm	2006/06/30 03:33:50	1.31
+++ loncom/interface/loncoursegroups.pm	2006/07/04 20:50:52	1.37
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursegroups.pm,v 1.31 2006/06/30 03:33:50 albertel Exp $
+# $Id: loncoursegroups.pm,v 1.37 2006/07/04 20:50:52 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -230,7 +230,10 @@ END
                     $grp_info{$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') {
@@ -299,7 +302,7 @@ END
                                       $group.'">'.$lt{'modify'}.'</a>';
                         }
                     }
-                    $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$link.'</small></td><td><small>'.$group.'</small></td><td><small>'.$description.'</small></td><td><small>'.$creator.'</small></td><td><small>'. &Apache::lonnavmaps::timeToHumanString($creation).'</small></td><td><small>'. &Apache::lonnavmaps::timeToHumanString($modified).'</small></td><td><small>'.$functionality.'</small></td><td><small>'.$quota.'</small></td><td><small>'.$totalmembers.'</small></td><td><small><nobr>'.&mt('Files: ').$totalfiles.'</nobr><br /><nobr>'.&mt('Folders: ').$totaldirs.'</nobr></small></td><td><small>'.$boards.'</small></td><td><small>'.$diskuse.'</small></td></tr>');
+                    $r->print('<tr bgcolor="'.$rowColor.'"><td><small>'.$link.'</small></td><td><small>'.$group.'</small></td><td><small>'.$description.'</small></td><td><small>'.$creator.'</small></td><td><small>'. &Apache::lonnavmaps::timeToHumanString($creation).'</small></td><td><small>'. &Apache::lonnavmaps::timeToHumanString($modified).'</small></td><td><small>'.$functionality.'</small></td><td align="right"><small>'.$quota.'</small></td><td align="right"><small>'.$totalmembers.'</small></td><td align="right"><small><nobr>'.&mt('Files: ').$totalfiles.'</nobr><br /><nobr>'.&mt('Folders: ').$totaldirs.'</nobr></small></td><td align="right"><small>'.$boards.'</small></td><td align="right"><small>'.$diskuse.'</small></td></tr>');
                     $rowNum ++;
                 }
             }
@@ -365,7 +368,7 @@ sub group_administration {
     my @member_changes = ('deletion','expire','activate','reenable',
                           'changefunc','changepriv');
     my ($groupname,$description,$startdate,$enddate,$granularity,$specificity,
-        $quota);
+        $quota,$validate_script);
 
     if (defined($env{'form.groupname'})) {
         $groupname = $env{'form.groupname'};
@@ -435,47 +438,9 @@ sub group_administration {
         }
     }
 
-    my %toolprivs =
-	(
-	 email      => {
-	     sgm => 'Send '.$gpterm.' mail',
-	     sgb => 'Broadcast mail',
-	 },
-	 discussion => {
-	     cgb => 'Create boards',
-	     pgd => 'Post',
-	     pag => 'Anon. posts',
-	     rgi => 'Get identities', 
-	     vgb => 'View boards',
-	 },
-	 chat       => {
-	     pgc => 'Chat',
-	 },
-	 files      => {
-	     rgf => 'Retrieve',
-	     ugf => 'Upload',
-             mgf => 'Modify',
-	     dgf => 'Delete',
-             agf => 'Control Access',
-	 },
-	 roster     => {
-	     vgm => 'View',
-	 },
-	 homepage   => {
-	     vgh => 'View page',
-	     mgh => 'Modify page',
-	 },
-	 );
+    my $toolprivs = &Apache::longroup::get_tool_privs($gpterm);
 
-    my %fixedprivs = 
-	(
-	 email      => {sgm => 1},
-	 discussion => {vgb => 1},
-	 chat       => {pgc => 1},
-	 files      => {rgf => 1},
-	 roster     => {vgm => 1},
-	 homepage   => {vgh => 1},
-	 );
+    my $fixedprivs = &Apache::longroup::get_fixed_privs();
 
     my %elements = 
 	(
@@ -683,8 +648,8 @@ sub group_administration {
                         }
                         my @currtools = ();
                         if (@userprivs > 0) {
-                            foreach my $tool (sort(keys(%fixedprivs))) {
-                                foreach my $priv (keys(%{$fixedprivs{$tool}})) {
+                            foreach my $tool (sort(keys(%{$fixedprivs}))) {
+                                foreach my $priv (keys(%{$$fixedprivs{$tool}})) {
                                     if (grep/^$priv$/,@userprivs) {
                                         push(@currtools,$tool);
                                         last;
@@ -754,19 +719,59 @@ sub group_administration {
         && ($specificity eq 'Yes')) {
         foreach my $user (sort(keys(%usertools))) {
             foreach my $tool (keys(%{$usertools{$user}})) {
-                foreach my $priv (keys(%{$toolprivs{$tool}})) {
-                    unless (exists($fixedprivs{$tool}{$priv})) {
+                foreach my $priv (keys(%{$$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 = document.'.$state.'.quota.value;
+    newquota.replace('.$space_trim.');
+    if (newquota == "" ) {
+        document.'.$state.'.quota.value = 0;
+        newquota = 0;       
+    }
+    var maxposs = '.$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) {
@@ -865,7 +870,7 @@ function changeSort(caller) {
 			  ("$crumbtitle Manager"));
                 &display_control($r,$cdom,$cnum,$tabcol,$action,$state,$page,
                        \%sectioncount,$groupname,$description,$functions,
-                       \@tools,\%toolprivs,\%fixedprivs,$startdate,$enddate,
+                       \@tools,$toolprivs,$fixedprivs,$startdate,$enddate,
                        \%users,\%userdata,$idx,\%memchg,\%usertools,
                        $function,$view_permission,$manage_permission,
                        \%stored,$granularity,$quota,$specificity,\@types,\@roles,
@@ -1239,12 +1244,7 @@ sub groupsettings_options {
         'doyo' => "Do you want to assign different functionality ".
                   "to different $gpterm members?",
     );
-    my $crsquota = $env{'course.'.$env{'request.course.id'}.'.internal.coursequota'};
-    if ($crsquota eq '') {
-        $crsquota = 20;
-    }
-    my $freespace = $crsquota - &Apache::longroup::sum_quotas();
-    my $maxposs = $$stored{'quota'} + $freespace;
+    my ($crsquota,$freespace,$maxposs) = &get_quota_constraints($action,$stored);
     &topic_bar($r,$tabcol,$image,$lt{'gnde'});
     $r->print('
    <tr>
@@ -1345,6 +1345,22 @@ END
     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 ($r,$action,$state,$tabcol,$sectioncount,$image,$gpterm,$ucgpterm) = @_;
     my $crstype = &Apache::loncommon::course_type();
@@ -1368,7 +1384,8 @@ sub membership_options {
                    future => &mt('Will have future access'),
                    );
 
-    my @roles = ('st','cc','in','ta','ep','cr');
+    #FIXME need to plumb around for the various cr roles defined by the user
+    my @roles = ('st','cc','in','ta','ep');
 
     my @sections = keys(%{$sectioncount});
 
@@ -1776,7 +1793,7 @@ sub pick_new_members {
         if (@{$available} > 0) {
             if ($granularity eq 'Yes') {
                 $r->print('<tr bgcolor="#cccccc">
- <td colspan="5">&nbsp;</td>
+ <td colspan="6">&nbsp;</td>
  <td align="center"><small><nobr><b>'.&mt('All:').'</b>&nbsp;');
                 foreach my $tool (@{$available}) {
                     $r->print('<label><input type="checkbox" name="togglefunc" '.
@@ -2223,114 +2240,33 @@ sub current_membership {
                                           'curf' => 'Current Functionality',
                                           'chpr' => 'Change Privileges' 
                                         );
-    if (keys(%membership) > 0) {
-        my %current = ();
-        my %allnames = ();
-        my $hastools = 0;
-        my $addtools = 0;
-        my $num_reenable = 0;
-        my $num_activate = 0;
-        my $num_expire = 0;
-        foreach my $key (sort(keys(%membership))) {
-            if ($key =~ /^\Q$groupname\E:([^:]+):([^:]+)$/) {
-                my $uname = $1;
-                my $udom = $2;
-                my $user = $uname.':'.$udom;
-                my($end,$start,@userprivs) = split(/:/,$membership{$key});
-                unless ($start == -1) {
-                    $allnames{$udom}{$uname} = 1;
-                    $current{$user} = {
-			uname     => $uname,
-			udom      => $udom,
-			start     => &Apache::lonlocal::locallocaltime($start),
-			currtools => [],
-			newtools  => [],
-		    };
-
-                    if ($end == 0) {
-                        $current{$user}{end} =  'No end date';
-                    } else {
-                        $current{$user}{end} = 
-                                     &Apache::lonlocal::locallocaltime($end);
-                    }
-                    my $now = time;
-                    if (($end > 0) && ($end < $now)) {
-                        $current{$user}{changestate} = 'reenable';
-                        $num_reenable++;
-                    } elsif (($start > $now)) {
-                        $current{$user}{changestate} = 'activate';
-                        $num_activate ++;
-                    } else {
-                        $current{$user}{changestate} = 'expire';
-                        $num_expire ++;
-                    }
-                    if (@userprivs > 0) {
-                        foreach my $tool (sort(keys(%{$fixedprivs}))) {
-                            foreach my $priv (keys(%{$$fixedprivs{$tool}})) {
-                                if (grep/^$priv$/,@userprivs) {
-                                    push(@{$current{$user}{currtools}},$tool);
-                                    last;
-                                }
-                            }
-                        }
-                        $hastools = 1;
-                    }
-                    if (@{$available} > 0) {
-                        if (@{$current{$user}{currtools}} > 0) {
-                            if ("@{$available}" ne "@{$current{$user}{currtools}}") {
-                                foreach my $tool (@{$available}) {
-                                    unless (grep/^$tool$/,@{$current{$user}{currtools}}) {
-                                        push(@{$current{$user}{newtools}},$tool);
-                                    }
-                                }
-                            }
-                        } else {
-                            @{$current{$user}{newtools}} = @{$available};
-                        }
-                        if (@{$current{$user}{newtools}} > 0) {
-                            $addtools = 1;
-                        }
-                    }
-                }
-            }
-        }
-        if (keys(%current) > 0) {
-            my %idhash;
-            foreach my $udom (keys(%allnames)) {
-                %{$idhash{$udom}} = &Apache::lonnet::idrget($udom,
-                                                keys(%{$allnames{$udom}}));
-                foreach my $uname (keys(%{$idhash{$udom}})) {
-                    $current{$uname.':'.$udom}{'id'} = $idhash{$udom}{$uname};
-                }
-                foreach my $uname (keys(%{$allnames{$udom}})) {
-                    $current{$uname.':'.$udom}{'fullname'} =
-                                &Apache::loncommon::plainname($uname,$udom,
-                                                                  'lastname');
-                }
-            }
-            $r->print('
+    my ($current,$hastools,$addtools,$num_reenable,$num_activate,$num_expire) =
+        &Apache::longroup::group_memberlist($cdom,$cnum,$groupname,$fixedprivs,
+                                            $available);
+    if (keys(%{$current}) > 0) {
+        $r->print('
  <tr>
   <td>&nbsp;</td>
   <td colspan="2">
    <table>
     <tr>');
-            if ($num_expire) {
-                &check_uncheck_buttons($r,$formname,'expire',$lt{'expi'});
-            }
-            if ($num_reenable) {
-                &check_uncheck_buttons($r,$formname,'reenable',$lt{'reen'});
-            }
-            if ($num_activate) {
-                &check_uncheck_buttons($r,$formname,'activate',$lt{'acti'});
+        if ($num_expire) {
+            &check_uncheck_buttons($r,$formname,'expire',$lt{'expi'});
+        }
+        if ($num_reenable) {
+            &check_uncheck_buttons($r,$formname,'reenable',$lt{'reen'});
+        }
+        if ($num_activate) {
+            &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'});
             }
-            &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('
+            if ($granularity eq 'Yes') {
+                $r->print(&check_uncheck_tools($r,$available));
+                $r->print('
      <td>
       <nobr>
        <fieldset><legend><b>'.$lt{'curf'}.'</b></legend>
@@ -2343,9 +2279,9 @@ sub current_membership {
      </nobr>
     </td>
 ');
-                }
             }
-            $r->print(<<"END");
+        }
+        $r->print(<<"END");
    </tr>
   </table>
   </td>
@@ -2358,8 +2294,8 @@ sub current_membership {
   <td>&nbsp;</td>
   <td colspan="3">
 END
-            $r->print(&Apache::lonhtmlcommon::start_pick_box());
-            $r->print(<<"END");
+        $r->print(&Apache::lonhtmlcommon::start_pick_box());
+        $r->print(<<"END");
    <table border="0" cellpadding="4" cellspacing="1">
     <tr bgcolor="$tabcol" align="center">
      <td><b>$lt{'actn'}</b></td>
@@ -2371,135 +2307,134 @@ END
      <td><b><a href="javascript:changeSort('start')">$lt{'stda'}</a></b></td>
      <td><b><a href="javascript:changeSort('end')">$lt{'enda'}</a></b></td>
 END
-            my $colspan = 0;
-            if ($hastools) {
-                $r->print('<td><b>'.$lt{'curf'}.'</b></td>');
-                $colspan ++;  
-            }
-            if ($addtools) {
-                $r->print('<td><b>Additional Functionality</b></td>');
-                $colspan ++;
-            }
-            $r->print('</tr>');
-            if ($colspan) {
-                if ($granularity eq 'Yes') {
-                    $r->print('<tr bgcolor="#cccccc">
+        my $colspan = 0;
+        if ($hastools) {
+            $r->print('<td><b>'.$lt{'curf'}.'</b></td>');
+            $colspan ++;  
+        }
+        if ($addtools) {
+            $r->print('<td><b>Additional Functionality</b></td>');
+            $colspan ++;
+        }
+        $r->print('</tr>');
+        if ($colspan) {
+            if ($granularity eq 'Yes') {
+                $r->print('<tr bgcolor="#cccccc">
  <td colspan="7">&nbsp;</td>
  <td colspan="'.$colspan.'" align="center"><small><nobr><b>'.&mt('All:').
   '</b>&nbsp;');
-                    foreach my $tool (@{$available}) {
-                        $r->print('<label><input type="checkbox" name="togglefunc"'.
+                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>&nbsp;&nbsp;&nbsp;');
-                    }
-                    $r->print('</nobr></small></td></tr>');
                 }
+                $r->print('</nobr></small></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);
+        }
+        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);
+            }
+        }
+        my $rowNum = 0;
+        my $rowColor;
+        foreach my $key (sort(keys(%Sortby))) {
+            foreach my $user (@{$Sortby{$key}}) {
+                if ($rowNum %2 == 1) {
+                    $rowColor = $rowColor1;
                 } else {
-                    push(@{$Sortby{$current{$user}{fullname}}},$user);
+                    $rowColor = $rowColor2;
                 }
-            }
-            my $rowNum = 0;
-            my $rowColor;
-            foreach my $key (sort(keys(%Sortby))) {
-                foreach my $user (@{$Sortby{$key}}) {
-                    if ($rowNum %2 == 1) {
-                        $rowColor = $rowColor1;
-                    } else {
-                        $rowColor = $rowColor2;
-                    }
-                    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};
-                    $r->print('<tr bgcolor="'.$rowColor.'">
-                                <td><small>');
-                    if ($current{$user}{changestate} eq 'reenable') {
-                        $r->print('<nobr><label>'. 
+                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};
+                $r->print('<tr bgcolor="'.$rowColor.'">
+                            <td><small>');
+                if ($$current{$user}{changestate} eq 'reenable') {
+                    $r->print('<nobr><label>'. 
    '<input type="checkbox" name="reenable" value="'.$user.'" />'.
    $lt{'reen'}.'</label></nobr><br />');
-                    } elsif ($current{$user}{changestate} eq 'expire') {
-                        $r->print('<nobr><label>'.
+                } elsif ($$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>'.
+                } elsif ($$current{$user}{changestate} eq 'activate') {
+                    $r->print('<nobr><label>'.
    '<input type="checkbox" name="activate" value="'.$user.'" />'.
    $lt{'acti'}.'</label></nobr><br />');
-                    }
-                    $r->print('<nobr><label>'.
+                }
+                $r->print('<nobr><label>'.
    '<input type="checkbox" name="deletion" value="'.$user.'" />'.
    $lt{'dele'}.'</label></nobr>');
-                    if ($specificity eq 'Yes') {
-                        $r->print('<br /><nobr><label>'.
+                if ($specificity eq 'Yes') {
+                    $r->print('<br /><nobr><label>'.
    '<input type="checkbox" name="changepriv" value="'.$user.'" />'.$lt{'chpr'}.
    '</label></nobr>');
-                    }
-                    $r->print('
+                }
+                $r->print('
    </td>
    <td><small>'.
     $fullname.'</small></td><td><small>'.$uname.'</small></td><td><small>'.
     $udom.'</small></td><td><small>'.$id.'</small></td><td><small>'.$start.
     '</small></td><td><small>'.$end.'</small></td>');
-                    if ($hastools) {
-                        $r->print('<td align="left"><small><nobr>'.
+                if ($hastools) {
+                    $r->print('<td align="left"><small><nobr>'.
                                   '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;');
-                        foreach my $tool (@{$current{$user}{currtools}}) {
-                            if ($granularity eq 'Yes') {
-                                $r->print('<label><input type="checkbox" '. 
+                    foreach my $tool (@{$$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" '.
+                         } else {
+                             $r->print('<input type="hidden" '.
                                        'checked="checked" '.
                                        'name="user_'.$tool.'" value="'.
                                        $user.'" />'.$tool);
-                             }
-                             $r->print('&nbsp;&nbsp;&nbsp;');
-                        }
-                        $r->print('</nobr></small></td>');
+                         }
+                         $r->print('&nbsp;&nbsp;&nbsp;');
                     }
-                    if ($addtools) {
-                        $r->print('<td align="left"><small>');
-                        if ($granularity eq 'Yes') {
-                            foreach my $tool (@{$current{$user}{newtools}}) {
-                                $r->print('<nobr><label><input type="checkbox"
+                    $r->print('</nobr></small></td>');
+                }
+                if ($addtools) {
+                    $r->print('<td align="left"><small>');
+                    if ($granularity eq 'Yes') {
+                        foreach my $tool (@{$$current{$user}{newtools}}) {
+                            $r->print('<nobr><label><input type="checkbox"
                                           name="user_'.$tool.'" value="'.
                                           $user.'" />'.$tool.
                                           '</label></nobr>&nbsp;&nbsp;&nbsp;');
-                            }
-                        } else {
-                            foreach my $tool (@{$current{$user}{newtools}}) {
-                                $r->print('<nobr><input type="hidden" 
+                        }
+                    } else {
+                        foreach my $tool (@{$$current{$user}{newtools}}) {
+                            $r->print('<nobr><input type="hidden" 
                                           name="user_'. $tool.'" value="'.
                                           $user.'" />'.$tool.
                                           '</nobr>&nbsp;&nbsp;&nbsp;');
-                            }
                         }
-                        $r->print('</small></td>');
                     }
-                    $r->print('</tr>'."\n");
-                    $rowNum ++;
+                    $r->print('</small></td>');
                 }
+                $r->print('</tr>'."\n");
+                $rowNum ++;
             }
-            $r->print(&Apache::lonhtmlcommon::end_pick_box());
-            $r->print('
+        }
+        $r->print(&Apache::lonhtmlcommon::end_pick_box());
+        $r->print('
   </td>
  </tr>');
-        }
     }
     return;
 }
@@ -2991,6 +2926,22 @@ sub write_group_data {
                              '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,$maxposs));
+    }
     my %groupinfo = (
                      description => $esc_description,
                      startdate => $startdate,
@@ -3002,8 +2953,9 @@ sub write_group_data {
                      specificity => $specificity,
                      autoadd => $env{'form.autoadd'},
                      autodrop => $env{'form.autodrop'},
-                     quota => $env{'form.quota'},                
+                     quota => $quota,
                    );
+
     foreach my $func (keys(%{$functions})) {
         my $status;
         if (grep(/^$func$/,@{$tools})) {
@@ -3050,9 +3002,12 @@ sub write_group_data {
 
     if ($result eq 'ok') {
         if ($action eq 'create') {
-            my $put_result = &create_homepage($cdom,$cnum,$groupname,
-                                              \%groupinfo,$tools,$gpterm,
-                                              $ucgpterm);
+            my $result = &add_group_folder($cdom,$cnum,$now,$groupname,$action,
+                                           $description,$tools,\%groupinfo,
+                                           $gpterm,$ucgpterm,$crstype);
+            if ($result ne 'ok') {
+                $r->print(&mt('A problem occurred when creating folders for the new [_1]. [_2].<br />',$gpterm,$result));
+            }
             $r->print(&mt('[_1] [_2] was created.<br />',$ucgpterm,$groupname));
         } else {
             $r->print(&mt('[_1] [_2] was updated.<br />',$ucgpterm,$groupname));
@@ -3065,7 +3020,7 @@ sub write_group_data {
         &Apache::lonnet::logthis("Failed to store $gpterm $groupname ".
                                  'in '.lc($crstype).': '.$cnum.
                                  ' in domain: '.$cdom);
-        $r->print(&mt('An error occurred when [_1] the new [_2]. '.
+        $r->print(&mt('An error occurred when [_1] the [_2]. '.
                       'Please try again.',$actiontype{$action},$gpterm));
     }
     return $result;
@@ -3578,8 +3533,162 @@ sub date_setting_table {
     return ($start_table, $end_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);
+    my $navmap = Apache::lonnavmaps::navmap->new();
+    my $crspath = '/uploaded/'.$cdom.'/'.$cnum.'/';
+    $allgrpsmap = $crspath.'default_0.sequence';
+    my $topmap = $navmap->getResourceByUrl($allgrpsmap);
+    undef($navmap);
+    if ($action eq 'create') {
+    # check if default_0.sequence exists.
+        if (!$topmap) {
+            my $grpstitle = &mt('[_1] [_2]',$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,$cnum,'default_0.sequence',
+                                        'toplevelgroup',$grpstitle,$topmap_url);
+                if ($outcome ne 'ok') {
+                    return $outcome;
+                }
+            } else {
+                $outcome = &mt('Non-standard course - group folder not added.');
+                return $outcome;
+            }
+        }
+        my $grpfolder = &mt('[_1] Folder -',$ucgpterm,).$description;
+        $grppage='/adm/'.$cdom.'/'.$cnum.'/'.$groupname.'/grppg';
+        my $grptitle = &mt('Group homepage').' - '.$description;
+        my ($seqid,$discussions,$disctitle);
+        my $outcome = &map_updater($cdom,$cnum,'default_'.$now.'.sequence',
+                                   'grpseq',$grpfolder,$allgrpsmap,$grppage,
+                                   $grptitle);
+        if ($outcome ne 'ok') {
+            return $outcome;
+        }
+        my $pageout = &create_homepage($cdom,$cnum,$groupname,$groupinfo,
+                                       $tools,$gpterm,$ucgpterm,$now);
+        # Link to folder for bulletin boards
+        $grpmap = $crspath.'default_'.$now.'.sequence';
+        if (grep/^discussion$/,@{$tools}) {
+            $seqid = $now + 1;
+            $disctitle = &mt('Discussion Boards');
+            my $outcome = &map_updater($cdom,$cnum,'default_'.$seqid.
+                                       '.sequence','bbseq',$disctitle,$grpmap);
+            if ($outcome ne 'ok') {
+                return $outcome;
+            }
+            $boardsmap = $crspath.'default_'.$seqid.'.sequence';
+        }
+    } else {
+        #modify group folder if status of discussions tools is changed
+    }
+    my ($furl,$ferr)= &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
+    $navmap = Apache::lonnavmaps::navmap->new();
+    # modify parameters
+    my $parm_result;
+    if ($action eq 'create') {
+        if ($allgrpsmap) { 
+            $parm_result .= &parm_setter($navmap,$cdom,$allgrpsmap,$groupname);
+        }
+        if ($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,$groupname);
+        }
+    }
+    if ($parm_result) {
+        return $parm_result;
+    } else {
+        return 'ok';
+    }
+}
+
+sub map_updater {
+    my ($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,$fatal)=&Apache::lonratedt::mapread($parentmap);
+    if ($fatal) {
+        $outcome = &mt('Error reading contents of parent folder')." ($parentmap): $errtext".'<br />';
+        return $outcome;
+    } else {
+        my $newidx=&Apache::lonratedt::getresidx($newmapurl);
+        $Apache::lonratedt::resources[$newidx] = $itemtitle.':'.$newmapurl.
+                                                 ':false:normal:res';
+        $Apache::lonratedt::order[1+$#Apache::lonratedt::order]=$newidx;
+        my ($outtext,$errtext) = &Apache::lonratedt::storemap($parentmap,1);
+        if ($errtext) {
+            $outcome = &mt('Error storing updated parent folder')." ($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);
+    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;
+        }
+    }
+    return $allresults;
+}
+
 sub create_homepage {
-    my ($cdom,$cnum,$name,$groupinfo,$tools,$gpterm,$ucgpterm) = @_;
+    my ($cdom,$cnum,$name,$groupinfo,$tools,$gpterm,$ucgpterm,$now) = @_;
     my $functionality = join(',',@{$tools});
     my $content = &unescape($$groupinfo{description});
     $content=~s/\s+$//s;
@@ -3592,7 +3701,7 @@ sub create_homepage {
                      'abb_links' => $functionality,
                      'bbb_content' => $content,
                      'ccc_webreferences' => '',
-                     'uploaded.lastmodified' => time,
+                     'uploaded.lastmodified' => $now,
                    );
    my $putresult = &Apache::lonnet::put('grppage_'.$name,\%pageinfo,$cdom,$cnum);
    return $putresult;