/*******************************************************************************
 * Copyright (c) 2007 VTT Technical Research Centre of Finland and others.
 * 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.proconf.g3d.scenegraph;

import java.util.ArrayList;
import java.util.Collection;

import org.simantics.proconf.g3d.stubs.G3DNode;

import com.jme.scene.Node;

import org.simantics.db.Graph;
import org.simantics.db.Resource;

public abstract class NonTransformableNode implements IGraphicsNode {

    private IGraphicsNode parent;
    private ArrayList<IGraphicsNode> children = new ArrayList<IGraphicsNode>();
    protected Node parentGroup = null;
    protected Resource nodeResource;

    public NonTransformableNode(IGraphicsNode parent, Resource nodeResource) {
    	this.parent = parent;
        this.nodeResource = nodeResource;
        parentGroup = parent.getGroup();
        parent.addChild(this);
    }

    public void addChild(IGraphicsNode node) {
        children.add(node);
        
    }
    
    public Collection<IGraphicsNode> getChildren() {
        return children;
    }
    
    public void removeChild(IGraphicsNode node) {
        children.remove(node);
        
    }

    public void dispose() {
        assert(children.size() == 0);
        if (parent != null)
            parent.removeChild(this);       
    }

    public G3DNode getG3DNode(Graph graph) {
        return new G3DNode(graph, nodeResource);
    }
    
    public Node getGroup() {
    	return parentGroup;
    }


    public IGraphicsNode getParent() {
        return parent;
    }


    public Resource getResource() {
        return nodeResource;
    }

    public void updateTransform(Graph graph) {
        
    }

}