package shapes.composite;

import java.util.LinkedList;
import java.util.List;

import shapes.visitor.Visitor;

public class CompositeShape extends Shape {

	private List<Shape> shapes;

	public CompositeShape ( ) {
		shapes = new LinkedList ( );
	}

	@Override
	public double getArea() {
		// TODO Auto-generated method stub
		return 0;
	}

	public CompositeShape add (Shape shape) {
		shapes.add ( shape );
		return this;  // for telescoping syntax

	}

	public CompositeShape remove (Shape shape) {
		shapes.remove( shape );
		return this; // for telescoping syntax
	}

	@Override
	public void accept(Visitor v) {

		v.visitCompositeStart(this);

		for (Shape shape: shapes)
			shape.accept(v);

		v.visitCompositeEnd(this);

	}

	@Override
	public void draw() {
		// TODO Auto-generated method stub

	}

	@Override
	public void print() {
		// TODO Auto-generated method stub
		System.out.println ("Composite start");
		for (Shape shape: shapes)
			shape.print();
		System.out.println ("Composite end");

	}

}