/*

 * CDDL HEADER START

 *

 * The contents of this file are subject to the terms of the

 * Common Development and Distribution License (the "License").

 * You may not use this file except in compliance with the License.

 *

 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE

 * or http://www.opensolaris.org/os/licensing.

 * See the License for the specific language governing permissions

 * and limitations under the License.

 *

 * When distributing Covered Code, include this CDDL HEADER in each

 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.

 * If applicable, add the following below this CDDL HEADER, with the

 * fields enclosed by brackets "[]" replaced with your own identifying

 * information: Portions Copyright [yyyy] [name of copyright owner]

 *

 * CDDL HEADER END

 */

/*

 * Copyright (c) 2009, 2012, Oracle and/or its affiliates. All rights reserved.

 */

package com.oracle.solaris.vp.util.swing;

import java.awt.CardLayout;

import java.awt.image.BufferedImage;

import java.util.*;

import javax.swing.*;

import javax.swing.event.*;

public class AnimationPanel extends JPanel implements ChangeListener {

    //

    // Static data

    //

    private static final String CARD_COMPONENT = "comp";

    //

    // Instance data

    //

    private JComponent comp;

    private ComponentAnimation current;

    private Map<String, ComponentAnimation> map =

	new HashMap<String, ComponentAnimation>();

    private boolean running;

    //

    // Constructors

    //

    public AnimationPanel(JComponent comp) {

	this.comp = comp;

	setLayout(new CardLayout());

	add(comp, CARD_COMPONENT);

    }

    //

    // ChangeListener methods

    //

    @Override

    public void stateChanged(ChangeEvent e) {

	if (e.getSource() == current) {

	    animationStopped();

	}

    }

    //

    // AnimationPanel methods

    //

    public void addAnimation(ComponentAnimation anim) {

	String id = anim.getId();

	if (!map.containsKey(id)) {

	    map.put(id, anim);

	    add(anim.getComponent(), id);

	    anim.addChangeListener(this);

	}

    }

    public void init(String id) {

	ComponentAnimation anim = map.get(id);

	BufferedImage before = GraphicsUtil.paintToImage(comp);

	anim.init(before);

	((CardLayout)getLayout()).show(this, id);

	current = anim;

	running = true;

    }

    public boolean isRunning() {

	return running;

    }

    public void removeAnimation(ComponentAnimation anim) {

	String id = anim.getId();

	if (map.containsKey(id)) {

	    map.remove(id);

	    remove(anim.getComponent());

	    anim.removeChangeListener(this);

	}

    }

    public void start() {

	BufferedImage after = GraphicsUtil.paintToImage(comp);

	current.start(after);

    }

    public void stop() {

	if (isRunning()) {

	    current.stop();

	    animationStopped();

	}

    }

    //

    // Private methods

    //

    private void animationStopped() {

	((CardLayout)getLayout()).show(this, CARD_COMPONENT);

	running = false;

    }

}