--- loncom/interface/statistics/lonstathelpers.pm	2005/11/12 03:58:55	1.51
+++ loncom/interface/statistics/lonstathelpers.pm	2006/02/14 16:05:46	1.52
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstathelpers.pm,v 1.51 2005/11/12 03:58:55 albertel Exp $
+# $Id: lonstathelpers.pm,v 1.52 2006/02/14 16:05:46 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -431,7 +431,7 @@ current resource.
 Inputs: $target (see &Apache::lonstathelpers::get_target_from_id())
   $AcceptableResponseTypes, regular expression matching acceptable
                             response types,
-  $granularity, either 'part', 'response', or 'part_survey'
+  $granularity, either 'part', 'response', 'part_survey', or 'part_task'
 
 Returns: three hash references, $prev, $curr, $next, which refer to the
 preceeding, current, or following problem parts or responses, depending
@@ -467,6 +467,12 @@ sub get_prev_curr_next {
                             part     => $part,
                             resource => $res,
                         } );
+		} elsif ($res->is_task($part) && ($granularity eq 'part_task')){
+                    push (@Resource,
+                          { symb     => $res->symb,
+                            part     => $part,
+                            resource => $res,
+                        } );
                 } elsif ($granularity eq 'part') {
                     push (@Resource,
                           { symb     => $res->symb,
@@ -499,7 +505,7 @@ sub get_prev_curr_next {
     my $curr_idx;
     for ($curr_idx=0;$curr_idx<$#Resource;$curr_idx++) {
         my $curr_item = $Resource[$curr_idx];
-        if ($granularity eq 'part' || $granularity eq 'part_survey') {
+        if ($granularity =~ /^(part|part_survey|part_task)$/) {
             if ($curr_item->{'symb'} eq $target->{'symb'} &&
                 $curr_item->{'part'} eq $target->{'part'}) {
                 last;
@@ -514,7 +520,7 @@ sub get_prev_curr_next {
         }
     }
     my $curr_item = $Resource[$curr_idx];
-    if ($granularity eq 'part' || $granularity eq 'part_survey') {
+    if ($granularity =~ /^(part|part_survey|part_task)$/) {
         if ($curr_item->{'symb'}     ne $target->{'symb'} ||
             $curr_item->{'part'}     ne $target->{'part'}) {
             # bogus symb - return nothing