package lab5;
/**
 * 
 * @author <a href="mailto:kozelsky@cse.buffalo.edu">Michael Kozelsky</a>
 * 
 * Created on: Jul 28, 2006 
 */
public class CompoundGraphic extends AbstractGraphic implements IContainer {

	private java.util.ArrayList<IGraphic> _graphicsList;

	public CompoundGraphic() {
		_graphicsList = new java.util.ArrayList<IGraphic>();
		this.setDimension(new java.awt.Dimension(1, 1));
	}

	public void add(IGraphic g) {
		_graphicsList.add(g);
		g.setContainer(this);
		if (this.getContainer() != null) {
			this.getContainer().repaint(this.getBounds());
		}
	}

	public void remove(IGraphic g) {
		_graphicsList.remove(g);
		if (this.getContainer() != null)
			this.getContainer().repaint(this.getBounds());
	}

	public void actualPaint(java.awt.Graphics2D gs, java.awt.Point location,
			java.awt.Dimension dimension) {
		Graphics offsetGraphics = gs.create(location.x,location.y, dimension.width, dimension.height);
		
		for (IGraphic g : _graphicsList) {
			// paint each graphic with an offset	
			g.paint((Graphics2D)offsetGraphics);
		}
	}

	public void repaint() {
		if (this.getContainer() != null) 
			this.getContainer().repaint();
	}
}