--- loncom/interface/lonstatistics.pm	2013/03/18 01:28:27	1.156.2.2
+++ loncom/interface/lonstatistics.pm	2020/11/11 22:27:41	1.156.2.8
@@ -1,6 +1,6 @@
 # The LearningOnline Network with CAPA
 #
-# $Id: lonstatistics.pm,v 1.156.2.2 2013/03/18 01:28:27 raeburn Exp $
+# $Id: lonstatistics.pm,v 1.156.2.8 2020/11/11 22:27:41 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -366,7 +366,7 @@ sub section_or_group_text {
 
 sub get_students {
     if (! @Students) {
-        &PrepareClasslist()
+        &PrepareClasslist();
     }
     return @Students;
 }
@@ -511,7 +511,7 @@ sub map_select {
     if ($selected_maps[0] eq 'all') {
         $form .= ' selected="selected"';
     }
-    $form .= ">all</option>\n";
+    $form .= '>'.&mt('all').'</option>'."\n";
     #
     # Loop through the sequences
     my @sequences = &selected_sequences_with_assessments('all');
@@ -547,6 +547,11 @@ sub SectionSelect {
         &PrepareClasslist()
     }
     #
+    # Make sure course's student table is up to date
+    if (@Sections) {
+        &Apache::loncoursedata::ensure_current_sections();
+    }
+    #
     # Build the form element
     my $Str = "\n";
     $Str .= '<select name="'.$elementname.'" ';
@@ -582,6 +587,14 @@ sub GroupSelect {
         &PrepareClasslist();
     }
     #
+    # Make sure course's groupnames and studentgroups tables
+    # are up to date.
+    #
+    if (@Groups) {
+        &Apache::loncoursedata::ensure_current_groups();
+        &Apache::loncoursedata::ensure_current_students_groups();
+    }
+    #
     # Build the form element
     my $Str = "\n";
     $Str .= '<select name="'.$elementname.'" ';
@@ -615,7 +628,7 @@ sub DisplayClasslist {
     # Output some of the standard interface components
     my $Str;
     $Str .= &Apache::lonhtmlcommon::breadcrumbs('Select One Student');
-    $Str .= '<p><table cellspacing="5">'."\n";
+    $Str .= '<table cellspacing="5">'."\n";
     $Str .= '<tr>';
     $Str .= '<th align="center"><b>'.&mt('Sections').'</b></th>';
     $Str .= '<th align="center"><b>'.&mt('Groups').'</b></th>';
@@ -633,7 +646,7 @@ sub DisplayClasslist {
         '</td>';
     
     $Str .= '</tr>'.$/;
-    $Str .= '</table></p>';
+    $Str .= '</table>';
     $Str .= '<input type="submit" name="selectstudent" value="'.
         &mt('Update Display').'" />';
     $r->print($Str);
@@ -696,8 +709,8 @@ sub DisplayClasslist {
            .&Apache::loncommon::start_data_table_header_row();
     foreach my $field (@Fields) {
         $Str .= '<th><a href="/adm/statistics?'.
-            'reportSelected=student_assessment&'.
-            'selectstudent=1&'.
+            'reportSelected=student_assessment&amp;'.
+            'selectstudent=1&amp;'.
             'sort='.$field.'">'.&mt($field).
             '</a></th>';
     }
@@ -712,8 +725,8 @@ sub DisplayClasslist {
             if ($field eq 'fullname' || $field eq 'username') {
                 $Str .= '<a href="/adm/statistics?reportSelected=';
                 $Str .= &escape('student_assessment');
-                $Str .= '&sort='.&escape($env{'form.sort'});
-                $Str .= '&SelectedStudent=';
+                $Str .= '&amp;sort='.&escape($env{'form.sort'});
+                $Str .= '&amp;SelectedStudent=';
                 $Str .= &escape($sname).'">';
                 $Str .= $student->{$field};
                 $Str .= '</a>';
@@ -725,7 +738,6 @@ sub DisplayClasslist {
                 } else {
                     $Str .= $student->{$field};
                 }
-                $Str .= $student->{$field};
             }
             $Str .= '</td>';
         }
@@ -820,6 +832,8 @@ sub handler {
     &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                             ['sort','reportSelected',
                                              'SelectedStudent']);
+    my $GoToPage = $env{'form.reportSelected'};
+
     #
     # Give the LON-CAPA page header
     my $style = <<ENDSTYLE;
@@ -830,9 +844,39 @@ sub handler {
     td.essay          { border: 1px solid gray; }
 </style>
 ENDSTYLE
+
+    my $head_extra = $style;
+    if (($env{'form.reportSelected'} eq 'student_submission_reports') &&
+        ($env{'form.renderprob'})) {
+        my @Symbs = &Apache::lonstathelpers::get_selected_symbs('problemchoice');
+        if (scalar(@Symbs) == 1) {
+            $head_extra .= &Apache::loncommon::css_links($Symbs[0]);
+        }
+    } elsif ($env{'form.reportSelected'} eq 'submissiontime_analysis') {
+        my ($navmap,$current_problem) =
+            &Apache::lonsubmissiontimeanalysis::get_current_problem();
+        if (ref($current_problem) eq 'HASH') {
+            my $symb = $current_problem->{'symb'};
+            if ($symb) {
+                $head_extra .= &Apache::loncommon::css_links($symb);
+            }
+        }
+    } elsif (($env{'form.reportSelected'} eq 'problem_analysis') &&
+              ($env{'form.show_prob'})) {
+        my $problem_types = &Apache::lonproblemanalysis::analyzable_types();
+        my ($navmap,$current_problem) =
+            &Apache::lonproblemanalysis::get_current_problem($problem_types);
+        if (ref($current_problem) eq 'HASH') {
+            my $symb = $current_problem->{'symb'};
+            my $res = $current_problem->{'resource'};
+            if ($symb) {
+                $head_extra .= &Apache::loncommon::css_links($symb);
+            }
+        }
+    }
       
     $r->print(&Apache::loncommon::start_page('Course Statistics and Charts',
-					     $style));
+					     $head_extra));
     $r->rflush();
     # 
     # Either print out a menu for them or send them to a report
@@ -842,8 +886,7 @@ ENDSTYLE
                                             text =>'Statistics',
                                             faq=>139,
                                             bug=>'Statistics and Charts'});
-    if (! exists($env{'form.reportSelected'}) || 
-        $env{'form.reportSelected'} eq '') {
+    if ($GoToPage eq '') {
         $r->print(&Apache::lonhtmlcommon::breadcrumbs('Statistics Main Page').
                   &CreateMainMenu());
     } else {
@@ -868,11 +911,9 @@ ENDSTYLE
         #
         # Clean out the caches
         if (exists($env{'form.ClearCache'})) {
-            &Apache::loncoursedata::delete_caches($env{'requres.course.id'});
+            &Apache::loncoursedata::delete_caches($env{'request.course.id'});
         }
         #
-        my $GoToPage = $env{'form.reportSelected'};
-        #
         # Begin form output
         $r->print('<form name="Statistics" ');
         if ($GoToPage eq 'student_submission_reports') {