package org.simantics.g3d.scenegraph.base;

import java.util.ArrayList;
import java.util.List;


public abstract class Node implements INode {
	public transient static long               IDCOUNTER              = 1;
	protected transient ParentNode<?>          parent                 = null;
	protected transient String 				   parentName			  = null; 
	protected Long                             id                     = IDCOUNTER++;
	

    public Long getId() {
        return id;
    }


    public ParentNode<?> getParent() {
        return parent;
    }

    
    @Override
    public String getParentRel() {
    	return parentName;
    }
    
    public void setParent(ParentNode<?> parent, String name) {
        this.parent = parent;
        this.parentName = name;
    }
    
    public ParentNode<?> getRootNode() {
        return parent != null ? parent.getRootNode() : null;
    }
    
    public void remove() {
        if (parent != null) {
            parent.removeNode(parentName, this);
        }
    }
    
    public void deattach() {
        if (parent != null) {
            parent.deattachNode(parentName, this);
        }
    }
    
    public void init() {
    }
    
    public void cleanup() {
    	if (parent != null) {
            parent.removeNode(parentName, this);
        }
    }
    
    @Override
	public String toString() {
		return getClass().getSimpleName();
	}
    
    protected List<NodeListener> listeners = new ArrayList<NodeListener>();
	
	@Override
	public void addListener(NodeListener listener) {
		if (!listeners.contains(listener))
			listeners.add(listener);
	}
	
	@Override
	public void removeListener(NodeListener listener) {
		listeners.remove(listener);
	}
	
	@Override
	public List<NodeListener> getListeners() {
		return listeners;
	}
	
	protected void firePropertyChanged(String id) {
		for (NodeListener listener : listeners) {
			listener.propertyChanged(this, id);
		}
	}
    
}