CheckBox Item Listener : Various Event Listener « Event « Java

1. Java
2. Event
3. Various Event Listener

CheckBox Item Listener

  
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.ItemEvent;
import java.awt.event.ItemListener;
import java.awt.event.KeyEvent;

import javax.swing.AbstractButton;
import javax.swing.ButtonModel;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.event.ChangeEvent;
import javax.swing.event.ChangeListener;

public class SelectingCheckBox {
  private static String DESELECTED_LABEL = "Deselected";
  private static String SELECTED_LABEL = "Selected";
  public static void main(String args[]) {
    JFrame frame = new JFrame("Selecting CheckBox");
    frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    JCheckBox checkBox = new JCheckBox(DESELECTED_LABEL);
    // Define ActionListener
    ActionListener actionListener = new ActionListener() {
      public void actionPerformed(ActionEvent actionEvent) {
        AbstractButton abstractButton = (AbstractButton)actionEvent.getSource();
        boolean selected = abstractButton.getModel().isSelected();
        String newLabel = (selected ? SELECTED_LABEL : DESELECTED_LABEL);
        abstractButton.setText(newLabel);
      }
    };
    ChangeListener changeListener = new ChangeListener() {
      public void stateChanged(ChangeEvent changeEvent) {
        AbstractButton abstractButton = (AbstractButton)changeEvent.getSource();
        ButtonModel buttonModel = abstractButton.getModel();
        boolean armed = buttonModel.isArmed();
        boolean pressed = buttonModel.isPressed();
        boolean selected = buttonModel.isSelected();
        System.out.println("Changed: " + armed + "/" + pressed + "/" + selected);
      }
    };

    ItemListener itemListener = new ItemListener() {
      public void itemStateChanged(ItemEvent itemEvent) {
        AbstractButton abstractButton = (AbstractButton)itemEvent.getSource();
        Color foreground = abstractButton.getForeground();
        Color background = abstractButton.getBackground();
        int state = itemEvent.getStateChange();
        if (state == ItemEvent.SELECTED) {
          abstractButton.setForeground(background);
          abstractButton.setBackground(foreground);
        }
      }
    };

    checkBox.addActionListener(actionListener);
    checkBox.addChangeListener(changeListener);
    checkBox.addItemListener(itemListener);
    checkBox.setMnemonic(KeyEvent.VK_S);
    Container contentPane = frame.getContentPane();
    contentPane.add(checkBox, BorderLayout.NORTH);
    frame.setSize(300, 100);
    frame.setVisible(true);
  }
}


           
         
    
  

Related examples in the same category

1.	Display the addXXXListener methods of any Swing class
2.	Show events as they happen
3.	A demonstration of the ChangeEvents generated by the BoundedRangeModel
4.	An application that shows the Action class in, well, action
5.	Showing how to add Actions for KeyStrokes
6.	Sketch
7.	EventListenerList enabled Secret Label
8.	TextAction example
9.	StateChange Listener
10.	AncestorListener Demo
11.	KeyStroke Sample
12.	Focus Next Component Sample
13.	PropertyChangeListener Sample
14.	Timer Sample
15.	KeyListener, ActionListener Demo 1
16.	KeyListener, ActionListener Demo 2
17.	Action, Mouse Focus
18.	Swing Action Demo
19.	Load Save Action
20.	Demonstrating the WindowListener with a WindowAdapter
21.	Demonstrating the ActionListener
22.	Demonstrating the AdjustmentListener
23.	Demonstrating the AncestorListener
24.	Demonstrating the ComponentListener
25.	A ComponentAdapter.
26.	JAR Archives: Pack Progress Monitor
27.	A position of a window on the screen.
28.	Using ComponentListener to catch the JFrame Maximization event
29.	Demonstrating the ContainerListener
30.	Demonstrating the FocusListener
31.	Demonstrating the HyperlinkListener
32.	Demonstrating the InternalFrameListener
33.	Demonstrating the ItemListener
34.	Implement a graphical list selection monitor
35.	ItemListener for JRadioButton
36.	Demonstrating the KeyListener
37.	Demonstrating the MenuListener
38.	Demonstrating the MouseListener and MouseMotionListener
39.	Demonstrating the MouseWheelListener
40.	Demonstrating the PopupMenuListener
41.	Demonstrating the WindowListener
42.	implements VetoableChangeListener to block focus change events
43.	Responding to Keystrokes
44.	Focus Event Demo
45.	Container Event Demo
46.	Component Event Demo
47.	Window Event Demo
48.	Handle a window closing event
49.	Installs/resets a ComponentListener to resize the given window to minWidth/Height if needed