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/*
* Copyright 2008 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Sun Microsystems nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package com.sun.swingset3.demos;
import java.awt.Component;
import java.awt.Dimension;
import java.awt.GridBagConstraints;
import java.awt.GridBagLayout;
import javax.swing.JComponent;
import javax.swing.JLayeredPane;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import org.jdesktop.animation.timing.Animator;
import org.jdesktop.animation.timing.interpolation.PropertySetter;
import org.jdesktop.swingx.JXPanel;
/**
* Container class which extends JLayeredPane to ensure its sizing
* tracks its "master" child component and supported fading a message
* component in/out of the top layer
* @author Amy Fowler
*/
public class Stacker extends JLayeredPane {
private Component master; // dictates sizing, scrolling
private JPanel messageLayer;
private JXPanel messageAlpha;
public Stacker(Component master) {
this.master = master;
setLayout(null);
add(master, JLayeredPane.DEFAULT_LAYER);
}
@Override
public Dimension getPreferredSize() {
return master.getPreferredSize();
}
@Override
public void doLayout() {
// ensure all layers are sized the same
Dimension size = getSize();
Component layers[] = getComponents();
for (Component layer : layers) {
layer.setBounds(0, 0, size.width, size.height);
}
}
/**
* Fades in the specified message component in the top layer of this
* layered pane.
* @param message the component to be displayed in the message layer
* @param finalAlpha the alpha value of the component when fade in is complete
*/
public void showMessageLayer(JComponent message, final float finalAlpha) {
messageLayer = new JPanel();
messageLayer.setOpaque(false);
GridBagLayout gridbag = new GridBagLayout();
messageLayer.setLayout(gridbag);
GridBagConstraints c = new GridBagConstraints();
c.anchor = GridBagConstraints.CENTER;
messageAlpha = new JXPanel();
messageAlpha.setOpaque(false);
messageAlpha.setAlpha(0.0f);
gridbag.addLayoutComponent(messageAlpha, c);
messageLayer.add(messageAlpha);
messageAlpha.add(message);
add(messageLayer, JLayeredPane.POPUP_LAYER);
revalidate();
SwingUtilities.invokeLater(new Runnable() {
public void run() {
Animator animator = new Animator(2000,
new PropertySetter(messageAlpha, "alpha", 0.0f, finalAlpha));
animator.setStartDelay(200);
animator.setAcceleration(.2f);
animator.setDeceleration(.5f);
animator.start();
}
});
}
/**
* Fades out and removes the current message component
*/
public void hideMessageLayer() {
if (messageLayer != null && messageLayer.isShowing()) {
Animator animator = new Animator(500,
new PropertySetter(messageAlpha, "alpha", messageAlpha.getAlpha(), 0.0f) {
public void end() {
remove(messageLayer);
revalidate();
}
});
animator.setStartDelay(300);
animator.setAcceleration(.2f);
animator.setDeceleration(.5f);
animator.start();
}
}
}
