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From: "Andrew Thompson" <andrew.thompson@THRWHITE.remove-dii-this>
Subject: Re: Update GUI while JSli
Message-ID: <73877a162cd8e@uwe>
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Date: Wed, 27 Apr 2011 15:35:23 GMT
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Xref: x330-a1.tempe.blueboxinc.net comp.lang.java.gui:1794

  To: comp.lang.java.gui
Philipp wrote:
>Knute Johnson a |-crit :
..
> > You need to take a look at JSlider.getValueIsAdjusting().  
..
>How could I implement that? 

<sscce>
import javax.swing.*;
import javax.swing.event.*;

public class SliderValue
  extends JPanel
  implements ChangeListener {

  JSlider slider;
  JLabel message;

  SliderValue() {
    super(new java.awt.GridLayout(0,1));
    slider = new JSlider(1,100);
    slider.addChangeListener( this );

    message = new JLabel( "50" );

    add(slider);
    add(message);
  }

  /** The ChangeEvents will be continuously dumped
  to the JLabel, but we only want the pop-up
  (animation speed, ..whatever) to be updated/appear
  once the user has *released* the slider. */
  public void stateChanged(ChangeEvent ce) {
    message.setText( "" + slider.getValue() );
    if ( !slider.getValueIsAdjusting() ) {
      JOptionPane.showMessageDialog(null,
        "Value selected: " + slider.getValue() );
    }
  }

  public static void main(String[] args) {
    SliderValue sv = new SliderValue();
    JOptionPane.showMessageDialog( null, sv );
  }
}
</sscce>

-- 
Andrew Thompson
http://www.athompson.info/andrew/

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