test.java

来自「《Java2图形设计卷II：Swing》配套光盘源码」· Java 代码 · 共 28 行

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
import javax.swing.event.*;

public class Test extends JApplet {
	public Test() {
		Container contentPane = getContentPane();
		ImageIcon icon = new ImageIcon("togglebuttonImage.gif");
		final JToggleButton button = new JToggleButton(icon);

		contentPane.setLayout(new FlowLayout());
		contentPane.add(button);

		button.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent e) {
				int state = e.getStateChange();
				String s;

				if(state == ItemEvent.SELECTED) s = "selected";
				else s = "deselected";

				showStatus("Item Event: " + s);
			}
		});
	}
}