if (symbolsCheckbox.getSelection()) {
setSymbol(cell, weight);
} else if (grlSymbolsCheckbox.getSelection()) {
setGRLSymbol(cell, weight);
} else {
String texString = calculator
.calcAggregationAsString((ConstrainedElement) cell
.getElement());
cell.setFont(Display.getDefault().getSystemFont());
cell.setText(texString);
}