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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.utilities;

import java.awt.Graphics;
import javax.swing.JSplitPane;
import javax.swing.UIManager;
import javax.swing.border.Border;
import javax.swing.border.EmptyBorder;
import javax.swing.plaf.basic.BasicSplitPaneDivider;
import javax.swing.plaf.basic.BasicSplitPaneUI;
import org.jdesktop.animation.timing.Animator;
import org.jdesktop.animation.timing.interpolation.PropertySetter;

/**
 *
 * @author Amy Fowler
 */
public class AnimatingSplitPane extends JSplitPane {
    private boolean firstExpanded = false;
    
    private int lastDividerLocation = -1;
    
    public AnimatingSplitPane(int orientation) {
        super(orientation);
        setOneTouchExpandable(false);
    }
    
    public void setExpanded(boolean expanded) {
        if (expanded != firstExpanded) {
            
            if (!firstExpanded) {
                lastDividerLocation = getDividerLocation();
            }
            
            this.firstExpanded = expanded;

            Animator animator = new Animator(500, new PropertySetter(this, "dividerLocation",
                   getDividerLocation(), (expanded? getHeight() : lastDividerLocation)));
            
            animator.setStartDelay(10);
            animator.setAcceleration(.2f);
            animator.setDeceleration(.3f);
            animator.start();            
        }
    }
    
    // workaround for bug where the animator blows up without it;
    // possibly a bug in reflection when method is in super class (?)
    public void setDividerLocation(int dividerLocation) {
        super.setDividerLocation(dividerLocation);
    }
}