@Override
    public void onBlockFromTo(BlockFromToEvent event) {
	if (event.isCancelled()) {
	    return;
	}
	PlanArea area = BuildingPlanner.plugin.areaManager.getAffectedArea(event.getBlock());
	if (area == null) {
	    return;
	}
	
	event.setCancelled(true);
    }