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package org.webswing.toolkit;

import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.Insets;
import java.awt.Panel;
import java.awt.Point;
import java.awt.Rectangle;
import java.awt.Window;
import java.awt.peer.PanelPeer;

import javax.swing.SwingUtilities;

import org.webswing.common.GraphicsWrapper;
import org.webswing.toolkit.util.Util;

abstract public class WebPanelPeer extends WebContainerPeer implements PanelPeer {

	private Insets insets;
	
	public WebPanelPeer(Container t) {
		super(t);
		insets = new Insets(0, 0, 0, 0);
	}

	@Override
	public String getGuid() {
		return getParentWindowPeer().getGuid();
	}

	@Override
	public Insets getInsets() {
		return insets;
	}

	@SuppressWarnings("deprecation")
	WebWindowPeer getParentWindowPeer() {
		Panel target = (Panel) getTarget();
		Window w = SwingUtilities.windowForComponent(target);
		return (WebWindowPeer) Util.getPeer(w);
	}

	@Override
	public void show() {
		getParentWindowPeer().addHwLayer(this);
	}

	@Override
	public void hide() {
		getParentWindowPeer().removeHwLayer(this);
	}

	@Override
	public Graphics getGraphics() {
		GraphicsWrapper g = (GraphicsWrapper) super.getGraphics();
		g.setOffset(SwingUtilities.convertPoint((Component) target, new Point(0, 0), (Component) getParentWindowPeer().getTarget()));
		return g;
	}
	
	@Override
	protected void notifyWindowClosed() {
		//do nothing here
	}

	@Override
	protected void notifyWindowBoundsChanged(Rectangle rectangle) {
		//do nothing here
	}
}