test.java.bak

swing 教程,与大家分享一下,哈哈,希望大家多多指教

import com.sun.java.swing.*;
import com.sun.java.swing.border.*;
import com.sun.java.swing.plaf.basic.*;
import java.awt.*;
import java.awt.event.*;

// an example of implementing a custom UI (and border) to modify
// the look and feel for a JButton, creating a new kind of button
// in the process.

public class Test extends JApplet {
	public void init() {
		Container contentPane = getContentPane();
		Icon icon = new StringIcon("icon"),
			 rolloverIcon = new StringIcon("rollover"),
			 pressedIcon = new StringIcon("pressed"),
			 disabledIcon = new StringIcon("disabled"),
			 selectedIcon = new StringIcon("selected"),
			 rolloverSelectedIcon = 
					new StringIcon("rollover selected"),
			 disabledSelectedIcon = 
			 		new StringIcon("disabled selected");

		final JToggleButton tbutton = new JToggleButton();
		final JButton button = new JButton();

		button.setRolloverEnabled(true);
		tbutton.setRolloverEnabled(true);

		button.setIcon(icon);
		button.setRolloverIcon(rolloverIcon);
		button.setRolloverSelectedIcon(rolloverSelectedIcon);
		button.setSelectedIcon(selectedIcon);
		button.setPressedIcon(pressedIcon);
		button.setDisabledIcon(disabledIcon);
		button.setDisabledSelectedIcon(disabledSelectedIcon);

		tbutton.setIcon(icon);
		tbutton.setRolloverIcon(rolloverIcon);
		tbutton.setRolloverSelectedIcon(rolloverSelectedIcon);
		tbutton.setSelectedIcon(selectedIcon);
		tbutton.setPressedIcon(pressedIcon);
		tbutton.setDisabledIcon(disabledIcon);
		tbutton.setDisabledSelectedIcon(disabledSelectedIcon);

		JComboBox cb = new JComboBox();
		cb.addItem("enabled");
		cb.addItem("disabled");

		cb.addItemListener(new ItemListener() {
			public void itemStateChanged(ItemEvent e) {
				if(e.getStateChange() == ItemEvent.SELECTED) {
					String item = (String)e.getItem();

					if(item.equals("enabled")) {
						button.setEnabled(true);
						tbutton.setEnabled(true);
					}
					else {
						button.setEnabled(false);
						tbutton.setEnabled(false);
					}
				}
			}
		});
		contentPane.setLayout(new FlowLayout());
		contentPane.add(cb);
		contentPane.add(button);
		contentPane.add(tbutton);
	}
	public static void main(String args[]) {
		final JFrame f = new JFrame();
		JApplet applet = new Test();

		applet.init();

		f.setContentPane(applet.getContentPane());
		f.setBounds(100,100,300,150);
		f.setTitle("Test");
		f.setVisible(true);

		f.setDefaultCloseOperation(
			WindowConstants.DISPOSE_ON_CLOSE);

		f.addWindowListener(new WindowAdapter() {
			public void windowClosed(WindowEvent e) {
				System.exit(0);
			}
		});
	}
}
class StringIcon implements Icon {
	private String s;

	public StringIcon(String s) {
		this.s = s;
	}
	public int getIconWidth() { return 100; }
	public int getIconHeight() { return 100; }

	public void paintIcon(Component c, Graphics g, int x, int y) {
		FontMetrics fm = g.getFontMetrics();
		g.setColor(c.getForeground());
		g.drawString(s, 10, fm.getHeight());
	}
}