private Component component = null;
@Override
public Vote previewExpandedChange(Rollup rollup) {
if (component == null) {
WTKXSerializer wtkxSerializer = new WTKXSerializer();
try {
component = (Component)wtkxSerializer.readObject(this, "calendars.wtkx");
} catch(IOException exception) {
throw new RuntimeException(exception);
} catch(SerializationException exception) {
throw new RuntimeException(exception);
}