package scenegraphdemo;

import javafx.scene.Node;

/**
 * Class of static methods to help with managing the hierarchical scene graph.
 * 
 * @author Mr. Java
 * 
 */
public class ScenegraphHelper {

	/**
	 * Return an object in the node's properties or in the node's parents
	 * properties. The search continues up the scenegraph.
	 * 
	 * @param key
	 * @return
	 */
	public static Object findResource(Object key, Node node) {
		if(node == null)
			return null;
		if(node.getProperties().containsKey(key)) {
			return node.getProperties().get(key);
		}
		if(node.getParent() != null) {
			return findResource(key, node.getParent());
		}
		if(node.getScene() != null) {
			// If scene had resources, search them here.
			// ...
		}
		return null;
	}

}