/** @return a copy of the tree node structure (nodes copied, same data and image) */
public DataAndImageTreeNode<X> createCopy(DataAndImageTreeNode<X> parent) {
DataAndImageTreeNode<X> newRoot = new DataAndImageTreeNode<X>(parent, this.data, this.image);
for (DataAndImageTreeNode<X> child : children) {
child.createCopy(newRoot);
}
return newRoot;
}
