/*
 * DualImageButtonApplet.java
 *
 * Copyright (C) 1996 Shaun Terry. All Rights Reserved.
 */

package spt.applets;

import java.awt.Image;
import java.awt.Event;
import java.net.URL;
import java.net.MalformedURLException;
import java.applet.*;

import spt.gui.ImagePanel;
import spt.gui.AnimatedImageButton;


/**
 * A button applet that displays one image when at rest and another
 * when the mouse is moved over it.<p>
 * <strong>Parameters</strong>
 * <pre>
 * IMGONENTER	URL	The image to show when the mouse is over the button (required)
 *
 * </pre>
 * Plus ImageButtonApplet and StdApplet parameters.
 *
 * @see spt.applets.StdApplet
 * @see spt.applets.ImageButtonApplet
 *
 * @author Shaun Terry
 */

public class DualImageButtonApplet extends ImageButtonApplet {

	AnimatedImageButton imgButton;

    public void init() {
		stdAppletInit();

		URL img1=null, img2=null;
		try {
			img1 = paramParser.getURL("IMG");
			img2 = paramParser.getURL("IMGONENTER");
		}
		catch (MalformedURLException e) {
			System.err.println("Param(IMG1/2) Error: " + e);
			return;
		}

		String text = paramParser.getParameter("TEXT");

		imgButton = new AnimatedImageButton(text);

		Image ip;

		ip = ImagePanel.loadImage(this, img1);
		imgButton.addImage(ip, 0);

		ip = ImagePanel.loadImage(this, img2);
		imgButton.addImage(ip, Integer.MAX_VALUE);

		imgButton.setRepeat(true);
		imgButton.setAnimateOnEnter(true);

		super.imgButton = imgButton;
		super.setParams();

		imgButton.startAnimation();
		add(imgButton);
    }

    /** Parameters */
    public String[][] getParameterInfo() {
		String[][] info = {
			{ "IMGONENTER", "URL", 	"The image when mouse enters" },
		};

		return mergeParameters(super.getParameterInfo(), info);
    }
}