@Override
	public void setValueAt(Object aValue, int rowIndex, int columnIndex) {
		if (columnIndex < 0 || columnIndex >= COL_NAMES.length || rowIndex < 0
				|| rowIndex >= propNames.length) {
			return;
		}

		if (columnIndex == 0) {
			return;
		}

		if (columnIndex == 1) {
			props.put(propNames[rowIndex], aValue);
		}
	}