Uses a change listener on the selection model of a color chooser to learn when the user changes the current color. : ChangeListener « Swing Event « Java Tutorial






Uses a change listener on the selection model of a color chooser to learn when the user changes the current color.
import java.awt.Color;

import javax.swing.JColorChooser;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class AddingChangeListenerToJColorChooser {

  public static void main(String[] a) {

    final JColorChooser tcc = new JColorChooser();
    tcc.getSelectionModel().addChangeListener(new ChangeListener() {
      public void stateChanged(ChangeEvent e) {
        System.out.println(tcc.getColor());
      }
    });
   tcc.showDialog(null,"title",Color.RED);
  }

}








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