private void updateEffort(final Row row) {
WorkReportLine line = (WorkReportLine) row.getValue();
Textbox effort = getEffort(row);
if (effort != null && line.getEffort() != null) {
effort.setValue(line.getEffort().toFormattedString());
effort.invalidate();
}
}
public void checkCannotBeHigher(Timebox starting, Timebox ending) {
starting.clearErrorMessage(true);