function fillHeader()
 {
     foreach ($this->column as $key => $column) {
         if (strcmp($column['text'], $this->lng->txt("points")) == 0) {
             $this->column[$key]['text'] = $this->lng->txt("points") . " (" . $this->totalPoints . ")";
         }
     }
     parent::fillHeader();
 }
 /**
  * Overriden method of ilTable2GUI. Is required to force upon tooltips for the column headers.
  */
 public function fillHeader()
 {
     parent::fillHeader();
     $this->addTooltips();
 }