Uses a change listener on a date-field spinner to change the color of the text as the spinner's date changes. : ChangeListener « Swing Event « Java Tutorial






Uses a change listener on a date-field spinner to change the color of the text as the spinner's date changes.
import javax.swing.JFrame;
import javax.swing.JSpinner;
import javax.swing.SpinnerModel;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class AddingChangeListenerToJSpinner {

  public static void main(String[] a) {
    JFrame frame = new JFrame();
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

    final JSpinner dateSpinner = new JSpinner();

    dateSpinner.addChangeListener(new ChangeListener() {
      public void stateChanged(ChangeEvent e) {
        SpinnerModel dateModel = dateSpinner.getModel();
        System.out.println(dateModel.getValue());
      }
    });
    frame.add(dateSpinner,"North");

    frame.setSize(300, 200);
    frame.setVisible(true);
  }

}








15.9.ChangeListener
15.9.1.Listening to JMenu Events with a ChangeListener: register a ChangeListener with a JMenuListening to JMenu Events with a ChangeListener: register a ChangeListener with a JMenu
15.9.2.Registers a change listener on a slider that controls animation speed. The change listener ignores the change events until the user releases the slider.Registers a change listener on a slider that controls animation speed. The change listener ignores the change events until the user releases the slider.
15.9.3.Uses a change listener on the selection model of a color chooser to learn when the user changes the current color.Uses a change listener on the selection model of a color chooser to learn when the user changes the current color.
15.9.4.Uses a change listener on a date-field spinner to change the color of the text as the spinner's date changes.Uses a change listener on a date-field spinner to change the color of the text as the spinner's date changes.
15.9.5.Tab change listener
15.9.6.Get value of BoundedRangeModel in its change listener