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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER .
*
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* under the terms of the GNU General Public License version 2 only , as
* published by the Free Software Foundation .
*
* This code is distributed in the hope that it will be useful , but WITHOUT
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* FITNESS FOR A PARTICULAR PURPOSE . See the GNU General Public License
* version 2 for more details ( a copy is included in the LICENSE file that
* accompanied this code ) .
*
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* 2 along with this work ; if not , write to the Free Software Foundation ,
* Inc . , 51 Franklin St , Fifth Floor , Boston , MA 02110 - 1301 USA .
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*/
/*
* @ test
* @ key headful
* @ bug 8044371
* @ summary setOneTouchExpandable functionality of JSplitPane will reduce vertical Scrollbar
* @ author Anton Nashatyrev
* @ library . .
*/
import javax.swing.*;
import javax.swing.plaf.metal.MetalLookAndFeel;
import java.awt.*;
import java.awt.event.AdjustmentEvent;
import java.awt.event.AdjustmentListener;
public class bug8044371 implements AdjustmentListener {
JSplitPane sptPane;
int lastAdjust = 0 ;
int initialAdjust = 0 ;
public static void main(String[] args) throws Throwable {
UIManager.setLookAndFeel(MetalLookAndFeel.class .getName());
SwingTest.start(bug8044371.class );
}
public bug8044371(JFrame frame) {
JPanel p = new JPanel();
final JScrollPane jScrollPane = new JScrollPane(new JPanel()
{{setPreferredSize(new Dimension(1500 ,1500 ));}},
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS,
JScrollPane.HORIZONTAL_SCROLLBAR_ALWAYS);
jScrollPane.getViewport().scrollRectToVisible(new Rectangle(1500 , 1500 , 0 , 0 ));
jScrollPane.getVerticalScrollBar().addAdjustmentListener(this );
sptPane = new JSplitPane(JSplitPane.HORIZONTAL_SPLIT, jScrollPane, p);
sptPane.setDividerLocation(90 );
sptPane.setOneTouchExpandable(true );
frame.getContentPane().add(sptPane);
}
public void adjustmentValueChanged(AdjustmentEvent e) {
System.out.println( "adjustmentValueChanged: " + e.getValue());
lastAdjust = e.getValue();
}
public void step1() {
if (lastAdjust == 0 ) {
throw new RuntimeException("Adjustment == 0" );
}
initialAdjust = lastAdjust;
sptPane.setDividerLocation(0 );
}
public void step2() {
if (lastAdjust < initialAdjust) {
throw new RuntimeException("Failed: Adjustment decreased: " + lastAdjust);
}
sptPane.setDividerLocation(90 );
}
public void step3() {
if (lastAdjust < initialAdjust) {
throw new RuntimeException("Failed: Adjustment decreased: " + lastAdjust);
}
}
}
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¤ Dauer der Verarbeitung: 0.4 Sekunden
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