private ResourceLoadComponent(final TimeTracker timeTracker,
final LoadTimeLine loadLine) {
this.loadLine = loadLine;
this.timeTracker = timeTracker;
createChildren(loadLine, timeTracker.getMapper());
zoomChangedListener = new IZoomLevelChangedListener() {
@Override
public void zoomLevelChanged(ZoomLevel detailLevel) {
getChildren().clear();
createChildren(loadLine, timeTracker.getMapper());