/*******************************************************************************
 * Copyright (c) 2012, 2013 Association for Decentralized Information Management in
 * Industry THTH ry.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     VTT Technical Research Centre of Finland - initial API and implementation
 *******************************************************************************/
package org.simantics.g3d.scenegraph.base;

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

import org.eclipse.core.runtime.ListenerList;


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 ListenerList<NodeListener> listeners = new ListenerList<NodeListener>();
	
	@Override
	public void addListener(NodeListener listener) {
		listeners.add(listener);
	}
	
	@Override
	public void removeListener(NodeListener listener) {
		listeners.remove(listener);
	}
	
	@Override
	public ListenerList<NodeListener> getListeners() {
		return listeners;
	}
	
	protected void firePropertyChanged(String id) {
		for (NodeListener listener : listeners) {
			listener.propertyChanged(this, id);
		}
	}
	
}