schedulingStateToggler.setReadOnly(readOnly
|| currentElement.isUpdatedFromTimesheets());
final Treecell cell = addCell(
getDecorationFromState(getSchedulingStateFrom(currentElement)),
schedulingStateToggler);
cell.addEventListener("onDoubleClick", new EventListener() {
@Override
public void onEvent(Event event) {
markModifiedTreeitem((Treerow) cell.getParent());
onDoubleClickForSchedulingStateCell(currentElement);