--- loncom/interface/statistics/loncorrectproblemplot.pm	2005/03/07 20:12:08	1.16
+++ loncom/interface/statistics/loncorrectproblemplot.pm	2006/12/31 22:43:48	1.22
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: loncorrectproblemplot.pm,v 1.16 2005/03/07 20:12:08 matthew Exp $
+# $Id: loncorrectproblemplot.pm,v 1.22 2006/12/31 22:43:48 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -28,7 +28,7 @@
 package Apache::loncorrectproblemplot;
 
 use strict;
-use Apache::lonnet();
+use Apache::lonnet;
 use Apache::loncommon();
 use Apache::lonhtmlcommon();
 use Apache::loncoursedata();
@@ -59,7 +59,8 @@ sub BuildCorrectProblemsPage {
     my ($r,$c)=@_;
     #
     my %Saveable_Parameters = ('Status' => 'scalar',
-                               'Section' => 'array');
+                               'Section' => 'array',
+                               'Groups' => 'array');
     &Apache::loncommon::store_course_settings('correct_problems_plot',
                                               \%Saveable_Parameters);
     &Apache::loncommon::restore_course_settings('correct_problems_plot',
@@ -73,7 +74,7 @@ sub BuildCorrectProblemsPage {
     #
     if (@Students < 1) {
         $r->print('<h2>'.
-                  &mt('There are no students in the sections selected').
+                  &mt('There are no students in the sections/groups selected').
                   '</h2>');
     }
     #
@@ -90,7 +91,7 @@ sub BuildCorrectProblemsPage {
     $r->rflush();
     #
     # Determine which problem symbs we are to sum over
-    if (exists($ENV{'form.CreatePlot'})) {
+    if (exists($env{'form.CreatePlot'})) {
         my @ProblemSymbs;
         my $total_weights = 0;
         my $title = '';
@@ -122,6 +123,9 @@ sub BuildCorrectProblemsPage {
                 }
             }
         }
+        $r->print('<h4>'.
+                  &Apache::lonstatistics::section_and_enrollment_description().
+                  '</h4>');
         my ($starttime,$endtime) = &Apache::lonstathelpers::get_time_limits();
         if (defined($starttime) || defined($endtime)) {
             # Inform the user what the time limits on the data are.
@@ -131,7 +135,8 @@ sub BuildCorrectProblemsPage {
         }
         &Apache::loncoursedata::populate_weight_table();
         my $score_data = &Apache::loncoursedata::get_student_scores
-            (\@Apache::lonstatistics::SelectedSections,
+            ([&Apache::lonstatistics::get_selected_sections()],
+             [&Apache::lonstatistics::get_selected_groups()],
              \@ProblemSymbs,
              $Apache::lonstatistics::enrollment_status,undef,
              $starttime,$endtime);
@@ -243,7 +248,7 @@ sub bin_data {
     my @Bins;
     my $count=0;
     my $idx=0;
-    while ($idx < scalar(@$data) && ($endbin-$binend + $binsize)>0) {
+    while ($idx < scalar(@$data) && ($endbin-$binend + $binsize)>=0) {
         my $dataset = $data->[$idx++];
         my ($x,$y) = @{$dataset};
         while ($x > ($binend-.001)) {
@@ -285,13 +290,14 @@ sub CreateInterface {
     ##
     ## Environment variable initialization
     my $Str;
-    $Str .= &Apache::lonhtmlcommon::breadcrumbs(undef,'Correct Problems Plot');
+    $Str .= &Apache::lonhtmlcommon::breadcrumbs('Correct Problems Plot');
     $Str .= '<p>';
     #
     $Str .= '<table cellspacing="5">'."\n";
     $Str .= '<tr>';
     $Str .= '<td align="center"><b>'.&mt('Sections').'</b></td>';
-    $Str .= '<td align="center"><b>'.&mt('Enrollment Status').'</b></td>';
+    $Str .= '<td align="center"><b>'.&mt('Groups').'</b></td>';
+    $Str .= '<td align="center"><b>'.&mt('Access Status').'</b></td>';
     $Str .= '<td align="center"><b>'.&mt('Sequences and Folders').'</b></td>';
     $Str .= '<td rowspan="2">'.
         &Apache::lonstathelpers::limit_by_time_form().'</td>';
@@ -301,6 +307,9 @@ sub CreateInterface {
     $Str .= &Apache::lonstatistics::SectionSelect('Section','multiple',5);
     $Str .= '</td>';
     #
+    $Str .= '<td align="center">'."\n";
+    $Str .= &Apache::lonstatistics::GroupSelect('Group','multiple',5);
+    $Str .= '</td>';
     $Str .= '<td align="center">';
     $Str .= &Apache::lonhtmlcommon::StatusOptions(undef,undef,5);
     $Str .= '</td><td>'."\n";