public Class<IStructuralChangeEvent> getLayerEventClass() {
return IStructuralChangeEvent.class;
}
public void handleLayerEvent(IStructuralChangeEvent event) {
PositionCoordinate topLeftPosition = freezeLayer.getTopLeftPosition();
PositionCoordinate bottomRightPosition = freezeLayer
.getBottomRightPosition();
Collection<StructuralDiff> columnDiffs = event.getColumnDiffs();
if (columnDiffs != null) {
int leftOffset = 0;