--- loncom/interface/statistics/lonproblemstatistics.pm	2003/09/29 16:20:18	1.59
+++ loncom/interface/statistics/lonproblemstatistics.pm	2003/11/11 22:14:28	1.61
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonproblemstatistics.pm,v 1.59 2003/09/29 16:20:18 matthew Exp $
+# $Id: lonproblemstatistics.pm,v 1.61 2003/11/11 22:14:28 matthew Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -265,6 +265,18 @@ Main interface to problem statistics.
 sub BuildProblemStatisticsPage {
     my ($r,$c)=@_;
     #
+    my %Saveable_Parameters = ('Status' => 'scalar',
+                               'statsoutputmode' => 'scalar',
+                               'Section' => 'array',
+                               'StudentData' => 'array',
+                               'Maps' => 'array');
+    &Apache::loncommon::store_course_settings('statistics',
+                                              \%Saveable_Parameters);
+    &Apache::loncommon::restore_course_settings('statistics',
+                                                \%Saveable_Parameters);
+    #
+    &Apache::lonstatistics::PrepareClasslist();
+    #
     my ($interface,$output_mode,$show) = &CreateInterface();
     $r->print($interface);
     $r->print('<input type="hidden" name="statsfirstcall" value="no" />');
@@ -751,8 +763,12 @@ sub plot_statistics {
         }
     }
     
-    $r->print("<p>".&DrawGraph(\@Data,$title,'Problem Number',$yaxis,
-                               $Max)."</p>\n");
+    $r->print("<p>".&Apache::loncommon::DrawBarGraph($title,
+                                                     'Problem Number',
+                                                     $yaxis,
+                                                     $Max,
+                                                     undef,
+                                                     \@Data)."</p>\n");
     #
     # Print out the data
     $ENV{'form.sortby'} = 'Contents';
@@ -760,38 +776,6 @@ sub plot_statistics {
     return;
 }
 
-###############################################
-###############################################
-
-=pod 
-
-=item &DrawGraph()
-
-=cut
-
-###############################################
-###############################################
-sub DrawGraph {
-    my ($values,$title,$xaxis,$yaxis,$Max)=@_;
-    $title = '' if (! defined($title));
-    $xaxis = '' if (! defined($xaxis));
-    $yaxis = '' if (! defined($yaxis));
-    $title = &Apache::lonnet::escape($title);
-    $xaxis = &Apache::lonnet::escape($xaxis);
-    $yaxis = &Apache::lonnet::escape($yaxis);
-    #
-    my $sendValues = join(',', @$values);
-    my $sendCount = scalar(@$values);
-    $Max =1 if ($Max < 1);
-    if ( int($Max) < $Max ) {
-        $Max++;
-        $Max = int($Max);
-    }
-    my @GData = ($title,$xaxis,$yaxis,$Max,$sendCount,$sendValues);
-    return '<IMG src="/cgi-bin/graph.png?'.
-        (join('&', @GData)).'" border="1" />';
-}
-
 sub get_statistics {
     my ($sequence,$resource,$part,$problem_num) = @_;
     #