@Override
public boolean display(List<VertexRef> targets, OperationContext operationContext) {
return true;</BUG>
}
@Override
<BUG>public String getId() {
return null;
}
@Override
protected boolean isChecked(GraphContainer container) {
if(container.getLayoutAlgorithm() instanceof KKLayoutAlgorithm) {
return true;
}
return false;</BUG>
}

@Override
public LayoutAlgorithm getLayoutAlgorithm() {
return new KKLayoutAlgorithm();
