--- loncom/interface/loncommon.pm	2010/02/25 15:41:14	1.944
+++ loncom/interface/loncommon.pm	2010/02/28 22:56:23	1.945
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.944 2010/02/25 15:41:14 raeburn Exp $
+# $Id: loncommon.pm,v 1.945 2010/02/28 22:56:23 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3412,12 +3412,22 @@ sub get_previous_attempt {
       }
       $prevattempts=&start_data_table().&start_data_table_header_row();
       $prevattempts.='<th>'.&mt('History').'</th>';
+      my %typeparts;
+      my $showsurv=&Apache::lonnet::allowed('vas',$env{'request.course.id'});
       foreach my $key (sort(keys(%lasthash))) {
 	my ($ign,@parts) = split(/\./,$key);
 	if ($#parts > 0) {
 	  my $data=$parts[-1];
 	  pop(@parts);
-	  $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+          if ($data eq 'type') {
+              unless ($showsurv) {
+                  my $id = join(',',@parts);
+                  $typeparts{$ign.'.'.$id} = $lasthash{$key};
+              }
+              delete($lasthash{$key});
+          } else {
+	      $prevattempts.='<th>'.&mt('Part ').join('.',@parts).'<br />'.$data.'&nbsp;</th>';
+          }
 	} else {
 	  if ($#parts == 0) {
 	    $prevattempts.='<th>'.$parts[0].'</th>';
@@ -3427,23 +3437,98 @@ sub get_previous_attempt {
 	}
       }
       $prevattempts.=&end_data_table_header_row();
+      my %lasthidden;
       if ($getattempt eq '') {
 	for ($version=1;$version<=$returnhash{'version'};$version++) {
-	  $prevattempts.=&start_data_table_row().
-	      '<td>'.&mt('Transaction [_1]',$version).'</td>';
-	    foreach my $key (sort(keys(%lasthash))) {
-		my $value = &format_previous_attempt_value($key,
-							   $returnhash{$version.':'.$key});
-		$prevattempts.='<td>'.$value.'&nbsp;</td>';   
-	    }
-	  $prevattempts.=&end_data_table_row();
+            my @hidden;
+            if (%typeparts) {
+                foreach my $id (keys(%typeparts)) {
+                    if (($returnhash{$version.':'.$id.'.type'} eq 'anonsurvey') || ($returnhash{$version.':'.$id.'.type'} eq 'anonsurveycred')) {
+                        push(@hidden,$id);
+                        $lasthidden{$id} = 1;
+                    } elsif ($lasthidden{$id}) {
+                        if (exists($returnhash{$version.':'.$id.'.award'})) {
+                            delete($lasthidden{$id});
+                        }
+                    }
+                }
+            }
+            $prevattempts.=&start_data_table_row().
+                           '<td>'.&mt('Transaction [_1]',$version).'</td>';
+            if (@hidden) {
+                foreach my $key (sort(keys(%lasthash))) {
+                    my $hide;
+                    foreach my $id (@hidden) {
+                        if ($key =~ /^\Q$id\E/) {
+                            $hide = 1;
+                            last;
+                        }
+                    }
+                    if ($hide) {
+                        my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                        if (($data eq 'award') || ($data eq 'awarddetail')) {
+                            my $value = &format_previous_attempt_value($key,
+                                             $returnhash{$version.':'.$key});
+                            $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                        } else {
+                            $prevattempts.='<td>&nbsp;</td>';
+                        }
+                    } else {
+                        if ($key =~ /\./) {
+                            my $value = &format_previous_attempt_value($key,
+                                              $returnhash{$version.':'.$key});
+                            $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                        } else {
+                            $prevattempts.='<td>&nbsp;</td>';
+                        }
+                    }
+                }
+            } else {
+	        foreach my $key (sort(keys(%lasthash))) {
+		    my $value = &format_previous_attempt_value($key,
+			            $returnhash{$version.':'.$key});
+		    $prevattempts.='<td>'.$value.'&nbsp;</td>';
+	        }
+            }
+	    $prevattempts.=&end_data_table_row();
 	 }
       }
+      my @currhidden = keys(%lasthidden);
       $prevattempts.=&start_data_table_row().'<td>'.&mt('Current').'</td>';
       foreach my $key (sort(keys(%lasthash))) {
-	my $value = &format_previous_attempt_value($key,$lasthash{$key});
-	if ($key =~/$regexp$/ && (defined &$gradesub)) {$value = &$gradesub($value)}
-	$prevattempts.='<td>'.$value.'&nbsp;</td>';
+          if (%typeparts) {
+              my $hidden;
+              foreach my $id (@currhidden) {
+                  if ($key =~ /^\Q$id\E/) {
+                      $hidden = 1;
+                      last;
+                  }
+              }
+              if ($hidden) {
+                  my ($id,$data) = ($key =~ /^(.+)\.([^.]+)$/);
+                  if (($data eq 'award') || ($data eq 'awarddetail')) {
+                      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                          $value = &$gradesub($value);
+                      }
+                      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+                  } else {
+                      $prevattempts.='<td>&nbsp;</td>';
+                  }
+              } else {
+                  my $value = &format_previous_attempt_value($key,$lasthash{$key});
+                  if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                      $value = &$gradesub($value);
+                  }
+                  $prevattempts.='<td>'.$value.'&nbsp;</td>';
+              }
+          } else {
+	      my $value = &format_previous_attempt_value($key,$lasthash{$key});
+	      if ($key =~/$regexp$/ && (defined &$gradesub)) {
+                  $value = &$gradesub($value);
+              }
+	      $prevattempts.='<td>'.$value.'&nbsp;</td>';
+          }
       }
       $prevattempts.= &end_data_table_row().&end_data_table();
     } else {