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Groups > comp.lang.java.gui > #1794

Re: Update GUI while JSli

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  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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Thread

Update GUI while JSlider "Philipp" <philipp@THRWHITE.remove-dii-this> - 2011-04-27 15:35 +0000
  Re: Update GUI while JSli "Andrew Thompson" <andrew.thompson@THRWHITE.remove-dii-this> - 2011-04-27 15:35 +0000
  Re: Update GUI while JSli "Andrew Thompson" <andrew.thompson@THRWHITE.remove-dii-this> - 2011-04-27 15:35 +0000
  Re: Update GUI while JSli "Chris Smith" <chris.smith@THRWHITE.remove-dii-this> - 2011-04-27 15:35 +0000
    Re: Update GUI while JSli "Philipp" <philipp@THRWHITE.remove-dii-this> - 2011-04-27 15:35 +0000

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