package treecms.proto.simple;

import treecms.proto.api.Node;
import treecms.proto.api.TreeBuilder;
import treecms.proto.id.IncrementalNodeIDFactory;

public class SimpleTreeBuilder implements TreeBuilder
{
	private Node m_root;
	private IncrementalNodeIDFactory m_idFactory;
	
	public SimpleTreeBuilder()
	{
		m_idFactory = new IncrementalNodeIDFactory();
		m_root = createNode();
	}
	
	public Node getContents()
	{
		return m_root;
	}
	
	public Node createNode()
	{
		return new SimpleNode(m_idFactory.createNewID());
	}

	@Override
	public Node cloneNode(Node _node)
	{
		// TODO Auto-generated method stub
		if(!(_node instanceof SimpleNode)){
			throw new IllegalArgumentException("cant clone , _node is not instance of SimpleNode");
		}
		
		SimpleNode clone = new SimpleNode(m_idFactory.updateExistID(_node.getID()));
		clone.setClassName(_node.getClassName());
		clone.setTitle(_node.getTitle());
		clone.addChildren(_node.getChildList());
		
		return clone;
	}
}