--- loncom/interface/loncoursegroups.pm	2006/12/04 21:44:02	1.68
+++ loncom/interface/loncoursegroups.pm	2007/12/13 01:08:47	1.71
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncoursegroups.pm,v 1.68 2006/12/04 21:44:02 albertel Exp $
+# $Id: loncoursegroups.pm,v 1.71 2007/12/13 01:08:47 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -140,10 +140,10 @@ function openGroupRoster(group,status) {
     rosterbrowser.focus();
 }\n|;
     $r->print(&header('Groups',$jscript,$action,$state));
-    if ($env{'form.refpage'} eq 'enrl') {
+    if ($env{'form.refpage'} eq 'cusr') {
         &Apache::lonhtmlcommon::add_breadcrumb
-            ({href=>"/adm/dropadd",
-              text=>"Enrollment Manager"});
+            ({href=>"/adm/createuser",
+              text=>"User Management"});
     }
     &Apache::lonhtmlcommon::add_breadcrumb
         ({href=>"/adm/coursegroups",
@@ -189,6 +189,7 @@ sub display_groups {
                           dius   => 'Disk Use (%)',
                           nogr   => 'No groups exist.',
                           crng   => 'Create a new group',
+                          redg   => 'Re-enable a deleted group',
                           alth   => 'Although your current role has privileges'.
                                     ' to view any existing groups in this '.
                                     lc($crstype).', you do not have privileges '.
@@ -198,16 +199,28 @@ sub display_groups {
         if (!defined($action)) {
             $action = 'view';
         }
-        my $status;
+        my ($status,$reenable_link);
         if ($action eq 'reenable') {
             $status = 'deleted_groups';
+        } else {
+            if ($manage_permission) {
+                my %deleted_groups = 
+                    &Apache::longroup::coursegroups($cdom,$cnum,undef,'deleted_groups');
+                if (keys(%deleted_groups) > 0) {
+                    $reenable_link = '&nbsp;&nbsp;&nbsp;&nbsp;<a href="/adm/coursegroups?action=reenable&amp;refpage='.$env{'form.refpage'}.'">'.$lt{'redg'}.'</a>';
+                }
+            }
         }
         my %curr_groups = &Apache::longroup::coursegroups($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>');
+                if ($action ne 'reenable') {
+                    $r->print('<br /><a href="/adm/coursegroups?action=create&amp;refpage='.$env{'form.refpage'}.'">'.$lt{'crng'}.'</a>');
+                }
+                if ($reenable_link) {
+                    $r->print($reenable_link);
                 }
             }
             $r->print('<br /><br />');
@@ -312,8 +325,7 @@ END
                     }
                     $link .= '">'.$lt{$action}.'</a>';
                     if ($action eq 'view') { 
-                        if (($manage_permission) && 
-                            ($env{'form.refpage'} ne 'enrl')) {
+                        if ($manage_permission) { 
                             $link .= '&nbsp;&nbsp;'.$actionlinks{'modify'}.
                                       $group.'">'.$lt{'modify'}.'</a>'.
                                      '&nbsp;&nbsp;'.$actionlinks{'delete'}.
@@ -349,12 +361,14 @@ END
         } 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>');
+                $r->print('<br /><br /><a href="/adm/coursegroups?action=create&amp;refpage='.$env{'form.refpage'}.'">'.$lt{'crng'}.'</a>');
+                if ($action ne 'reenable') {
+                    if ($reenable_link) {
+                        $r->print($reenable_link);
+                    }
                 }
             } else {
                 $r->print('<br /><br />'.$lt{'alth'});
-
             }
         }
     } else {
@@ -848,14 +862,14 @@ function changeSort(caller) {
     $r->print(&header("Groups Manager",
 		      $jscript,$action,$state,$page,$loaditems));
 
-    if ($env{'form.refpage'} eq 'enrl') {
+    if ($env{'form.refpage'} eq 'cusr') {
         &Apache::lonhtmlcommon::add_breadcrumb
-        ({href=>"/adm/dropadd",
-          text=>"Enrollment Manager",
+        ({href=>"/adm/createuser",
+          text=>"User Management",
           faq=>9,bug=>'Instructor Interface',});
         if ($action eq 'modify' || $action eq 'delete') {
             &Apache::lonhtmlcommon::add_breadcrumb
-            ({href=>"/adm/coursegroups?refpage=enrl&action=$action",
+            ({href=>"/adm/coursegroups?refpage=cusr&action=$action",
               text=>"Groups",
               faq=>9,bug=>'Instructor Interface',});
         }
@@ -1132,7 +1146,7 @@ sub verify_delete {
     my $prevtext = &mt('Go back');
     my $nexttext = &mt('Delete group');
     my $prev;
-    if ($env{'form.refpage'} eq 'enrl')  {
+    if ($env{'form.refpage'} eq 'cusr')  {
         $prev = 'view';
     }
     &display_navbuttons($r,$formname,$prev,$prevtext,
@@ -1216,7 +1230,7 @@ sub reenable_folder {
         $LONCAPA::map::order[1+$#LONCAPA::map::order]=$idx;
         my ($outtext,$errtext) = &LONCAPA::map::storemap($allgrpsmap,1);
         if ($errtext) {
-            $outcome = &mt('Error storing updated parent folder to group').
+            $outcome = &mt('Error saving updated parent folder to group').
                            "- $allgrpsmap - $errtext".'<br />';
         } else {
             my ($furl,$ferr) =
@@ -1266,7 +1280,7 @@ sub modify_folders {
                 $#LONCAPA::map::order--;
                 my ($outtext,$errtext) = &LONCAPA::map::storemap($map,1);
                 if ($errtext) {
-                    $outcome = &mt('Error storing updated parent folder to group'). "- $map - $errtext".'<br />';
+                    $outcome = &mt('Error saving updated parent folder to group'). "- $map - $errtext".'<br />';
                 } else {
                     my ($furl,$ferr) =
                         &Apache::lonuserstate::readmap($cdom.'/'.$cnum);
@@ -1288,7 +1302,7 @@ sub verify_reenable {
     my $prevtext = &mt('Go back');
     my $nexttext = &mt('Reenable group');
     my $prev;
-    if ($env{'form.refpage'} eq 'enrl')  {
+    if ($env{'form.refpage'} eq 'cusr')  {
         $prev = 'view';
     }
     &display_navbuttons($r,$formname,$prev,$prevtext,
@@ -3679,8 +3693,8 @@ sub add_group_folder {
     if ($action eq 'create') {
         if (&get_folder_lock($cdom,$cnum,'group_allfolders',$now) eq 'ok') {
             # check if group_allfolders.sequence exists.
-            my ($errtext,$fatal)=&LONCAPA::map::mapread($allgrpsmap);
-            if ($fatal == 2) { #file does not exist;
+            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;
@@ -3808,7 +3822,7 @@ sub map_updater {
         $LONCAPA::map::order[1+$#LONCAPA::map::order]=$newidx;
         my ($outtext,$errtext) = &LONCAPA::map::storemap($parentmap,1);
         if ($errtext) {
-            $outcome = &mt('Error storing updated parent folder')." ($parentmap):  $errtext".'<br />';
+            $outcome = &mt('Error saving updated parent folder')." ($parentmap):  $errtext".'<br />';
             return $outcome;
         }
     }