--- loncom/interface/loncoursegroups.pm	2014/02/11 17:09:30	1.123
+++ loncom/interface/loncoursegroups.pm	2016/02/27 03:06:38	1.129
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursegroups.pm,v 1.123 2014/02/11 17:09:30 bisitz Exp $
+# $Id: loncoursegroups.pm,v 1.129 2016/02/27 03:06:38 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -328,19 +328,22 @@ END
                     if (!$functionality) {
                         $functionality = &mt('None available');
                     }
-                    my $link = $actionlinks{$action};
+                    my $link;
                     if ($action eq 'modify' || $action eq 'delete' || 
                         $action eq 'reenable') {
-                        $link .= $group;
+                        $link = $actionlinks{$action}.$group.'">'.$lt{$action}.'</a>';
                     } else {
-                        $link .= 
-                            &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap);
-                        $link .= (($link=~/\?/)?'&amp;':'?').'ref=grouplist';
-                        if (exists($env{'form.refpage'})) {
-                            $link .= '&amp;refpage='.$env{'form.refpage'};
-                        }
+                        $link =
+                            &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap,$view_permission);
+                        if ($link) {
+                            $link = $actionlinks{$action}.$link;
+                            $link .= (($link=~/\?/)?'&amp;':'?').'ref=grouplist';
+                            if (exists($env{'form.refpage'})) {
+                                $link .= '&amp;refpage='.$env{'form.refpage'};
+                            }
+                            $link .= '">'.$lt{$action}.'</a>';
+                        }  
                     }
-                    $link .= '">'.$lt{$action}.'</a>';
                     if ($action eq 'view') { 
                         if ($manage_permission) { 
                             $link .= '&nbsp;&nbsp;'.$actionlinks{'modify'}.
@@ -394,6 +397,7 @@ END
     } else {
         my @coursegroups = split(/:/,$env{'request.course.groups'});
         if (@coursegroups > 0) {
+            my $numlinks = 0;
             $r->print('<br /><br />');
             my %curr_groups = &Apache::longroup::coursegroups($cdom,$cnum);
             if (%curr_groups) {
@@ -410,12 +414,35 @@ END
                                         $curr_groups{$group});
                     my $description = &unescape(
                                         $group_info{description});
-                    my $link = 
-                        &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap).
-                        '&amp;ref=grouplist';
-                    $r->print('<span style="font-size: larger"><a href="'.$link.'">'.$group,'</a></span><br /><small>'.$description.'</small><br /><br />');
+                    my ($link,$hidden) = 
+                        &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap,$view_permission);
+                    if ($link) {
+                        $link .= '&amp;ref=grouplist';
+                        $r->print('<span style="font-size: larger"><a href="'.$link.'">'.
+                                  $description.'</a></span><br /><br />');
+                        $numlinks ++;
+                    } elsif ($hidden) {
+                        my $numtools = 0;
+                        my $refarg = '&amp;ref=grouplist'; 
+                        my $output =
+                            &Apache::longroup::display_group_links($r,$env{'form.grade_target'},$group,'view',
+                                                                   $refarg,\$numtools,$hidden,%group_info);
+                        if ($numtools) {
+                            $r->print('<span style="font-size: larger">'.$description.'</a></span>'.
+                                      '<br />'.$output.'<br /><br />');
+                            $numlinks ++;
+                        }
+                    }
                 }
             }
+            if (!$numlinks) {
+                $r->print(
+                    '<p class="LC_info">'
+                   .&mt('You do not currently have access to any '.$gpterm.'s'
+                   .' in this '.lc($crstype).'.')
+                   .'</p>'
+                );
+            }
         } else {
             $r->print(
                 '<p class="LC_info">'
@@ -831,7 +858,7 @@ sub group_administration {
             }
         }
         if (warn_zero == 1) {
-            alert("You have indicated that the group portfolio 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.");
+            alert("You have indicated that the group portfolio should be enabled, but you have set the repository quota to 0 MB.\nThis will prevent any upload of files.\nPlease set a value or disable the repository feature.");
             return;
         }
     } 
@@ -1587,7 +1614,7 @@ sub group_members {
                          future => 0,
                        );
     my $totalmembers = 0;
-    foreach my $member (keys %memberhash) {
+    foreach my $member (keys(%memberhash)) {
         $totalmembers ++;
         my ($end,$start) = split(/:/,$memberhash{$member});
         unless ($start == -1) {
@@ -1702,7 +1729,7 @@ sub groupsettings_options {
     if ($remnum) {
         $halfnum ++;
     }
-    my @allfunctions = sort(keys (%{$functions}));
+    my @allfunctions = sort(keys(%{$functions}));
 
     $r->print(&Apache::lonhtmlcommon::row_title($lt{'func'})
              .'<div>'
@@ -3503,7 +3530,7 @@ sub process_membership {
                 if (grep/^$user$/,@reenable) {
                     $start = $startdate;
                     $end = $enddate;
-                    $type = 'reenabled';
+                    $type = 're-enabled';
                 }
             }
             if ($type eq '') {
@@ -3543,8 +3570,6 @@ sub process_membership {
             my $tmsg = "The following users were successfully $type"; 
             if (!($type eq 'deleted' || $type eq 'expired')) {   
                 $tmsg .= ' with the following privileges';
-            } else {
-                $tmsg .= ' with the following privileges';
             }
             $message .= &mt($tmsg.':').'<br/>';
             foreach my $user (@{$added{$type}}) {
@@ -4190,43 +4215,40 @@ sub validate_groupname {
     }
     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;
+    my $exitmsg = '<span class="LC_error">'.$lt{'igna'}.'</span><br /><br />';
+    my $nameshown = &Apache::loncommon::cleanup_html($groupname);
     if (($groupname eq '') || ($groupname =~ /\W/)) {
-        $earlyout = $exitmsg.$lt{'isno'}.'<br />'.$lt{'gnmo'};
-        return $earlyout;
+        return $exitmsg.
+               &mt("The $gpterm name entered '[_1]' is not a valid name.",$nameshown).
+               '<br />'.$lt{'gnmo'};
+    } elsif ($groupname eq 'syllabus') {
+        return $exitmsg.
+               &mt("The $gpterm name entered '[_1]' is reserved for use by LON-CAPA.",$nameshown);
     }
     if (exists($sectioncount{$groupname})) {
-	return $exitmsg.$lt{'cnnb'}.&mt('a section').$lt{'inth'}.
-	    '<br />'.$lt{'grna'};
+	return  $exitmsg.
+                &mt("The $gpterm name entered '[_1]' can not be used as it is the name of a section in this $crstype.",$nameshown).
+	        '<br />'.$lt{'grna'};
     }
     if ($action eq 'create') { 
 	if (exists($curr_groups{$groupname})) {
-	    return $exitmsg.$lt{'cnnb'}.&mt("an existing $gpterm").
-	           $lt{'inth'}.'.<br />'.$lt{'grna'};
+	    return $exitmsg.
+                   &mt("The $gpterm name entered '[_1]' can not be used as it is the name of an existing $gpterm in this $crstype.",$nameshown).
+                  '<br />'.$lt{'grna'};
         } elsif (exists($deleted_groups{$groupname})) {
-            return $exitmsg.$lt{'cnnb'}.&mt("a $gpterm which previously existed").
-                   $lt{'inth'}.'.<br />'.$lt{'grna'};
+            return $exitmsg.
+                   &mt("The $gpterm name entered '[_1]' can not be used as it is the name of a $gpterm which previously existed in this $crstype.",$nameshown).
+                   '<br />'.$lt{'grna'};
         }
     } elsif ($action eq 'modify') {
         unless(exists($curr_groups{$groupname})) {
-            $earlyout = &mt("$ucgpterm name:").' '.$groupname.$lt{'thgr'}.
-                        $lt{'inth'};
-            return $earlyout;
+            return &mt("$ucgpterm name: [_1] does not correspond to the name of an existing $gpterm in this $crstype.",$nameshown);
         }
     }
     return;