Fix #217 - hide percentage/points columns when no grade is set.

renderer.php

@@ -897,6 +897,7 @@ class mod_attendance_renderer extends plugin_renderer_base {
         $table->align[] = 'center';
         $table->size[] = '1px';
 
+        if (!empty($reportdata->att->grade)) {
             $table->head[] = get_string('points', 'attendance');
             $table->align[] = 'center';
             $table->size[] = '1px';
@@ -904,12 +905,14 @@ class mod_attendance_renderer extends plugin_renderer_base {
             $table->head[] = get_string('percentage', 'attendance');
             $table->align[] = 'center';
             $table->size[] = '1px';
+        }
 
         if ($reportdata->pageparams->view == ATT_VIEW_SUMMARY) {
             $table->head[] = get_string('sessionstotal', 'attendance');
             $table->align[] = 'center';
             $table->size[] = '1px';
 
+            if (!empty($reportdata->att->grade)) {
                 $table->head[] = get_string('pointsallsessions', 'attendance');
                 $table->align[] = 'center';
                 $table->size[] = '1px';
@@ -926,6 +929,7 @@ class mod_attendance_renderer extends plugin_renderer_base {
                 $table->align[] = 'center';
                 $table->size[] = '1px';
             }
+        }
 
         if ($bulkmessagecapability) { // Display the table header for bulk messaging.
             // The checkbox must have an id of cb_selector so that the JavaScript will pick it up.
@@ -948,12 +952,15 @@ class mod_attendance_renderer extends plugin_renderer_base {
                 $usersummary = $reportdata->summary->get_taken_sessions_summary_for($user->id);
             }
             $row->cells[] = $usersummary->numtakensessions;
+            if (!empty($reportdata->att->grade)) {
                 $row->cells[] = format_float($usersummary->takensessionspoints, 1, true, true) . ' / ' .
                     format_float($usersummary->takensessionsmaxpoints, 1, true, true);
                 $row->cells[] = format_float($usersummary->takensessionspercentage * 100) . '%';
+            }
 
             if ($reportdata->pageparams->view == ATT_VIEW_SUMMARY) {
                 $row->cells[] = $usersummary->numallsessions;
+                if (!empty($reportdata->att->grade)) {
                     $row->cells[] = format_float($usersummary->takensessionspoints, 1, true, true) . ' / ' .
                         format_float($usersummary->allsessionsmaxpoints, 1, true, true);
                     $row->cells[] = format_float($usersummary->allsessionspercentage * 100) . '%';
@@ -962,6 +969,7 @@ class mod_attendance_renderer extends plugin_renderer_base {
                         format_float($usersummary->allsessionsmaxpoints, 1, true, true);
                     $row->cells[] = format_float($usersummary->maxpossiblepercentage * 100) . '%';
                 }
+            }
 
             if ($bulkmessagecapability) { // Create the checkbox for bulk messaging.
                 $row->cells[] = html_writer::checkbox('user'.$user->id, 'on', false, '',