trackevent.java

本压缩文件中含有线程的控制

package gui;

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

public class TrackEvent extends JFrame {
	HashMap<String, JTextField> h = new HashMap<String, JTextField>();
	String[] event = { "focusGained", "focusLost", "keyPressed", "keyReleased",
			"keyTyped", "mouseClicked", "mouseEntered", "mouseExited",
			"mousePressed", "mouseReleased", "mouseDragged", "mouseMoved" };
	MyButton b1 = new MyButton(Color.blue, "test1");
	MyButton b2 = new MyButton(Color.red, "test2");

	class MyButton extends JButton {
		void report(String field, String msg) {
			((JTextField) h.get(field)).setText(msg);
		}

		FocusListener fl = new FocusListener() {
			public void focusGained(FocusEvent e) {
				report("focusGained", e.paramString());
			}

			public void focusLost(FocusEvent e) {
				report("focusLost", e.paramString());
			}
		};
		KeyListener kl = new KeyListener() {
			public void keyPressed(KeyEvent e) {
				report("keyPressed", e.paramString());
			}

			public void keyReleased(KeyEvent e) {
				report("keyReleased", e.paramString());
			}

			public void keyTyped(KeyEvent e) {
				report("keyTyped", e.paramString());
			}
		};
		MouseListener ml = new MouseListener() {
			public void mouseClicked(MouseEvent e) {
				report("mouseClicked", e.paramString());
			}

			public void mouseEntered(MouseEvent e) {
				report("mouseEntered", e.paramString());
			}

			public void mouseExited(MouseEvent e) {
				report("mouseExited", e.paramString());
			}

			public void mousePressed(MouseEvent e) {
				report("mousePressed", e.paramString());
			}

			public void mouseReleased(MouseEvent e) {
				report("mouseReleased", e.paramString());
			}
		};
		MouseMotionListener mml = new MouseMotionListener() {
			public void mouseDragged(MouseEvent e) {
				report("mouseDragged", e.paramString());
			}

			public void mouseMoved(MouseEvent e) {
				report("mouseMoved", e.paramString());
			}
		};

		public MyButton(Color color, String label) {
			super(label);
			setBackground(color);
			addFocusListener(fl);
			addKeyListener(kl);
			addMouseListener(ml);
			addMouseMotionListener(mml);
		}
	}

	public TrackEvent(String str) {
		super(str);
		Container c = getContentPane();
		c.setLayout(new GridLayout(event.length + 1, 2));
		Font font = new Font("Arial Bold",Font.ITALIC,16);
		for (int i = 0; i < event.length; i++) {
			JTextField t = new JTextField();
			t.setEditable(false);
			t.setFont(font);
			JLabel jl = new JLabel(event[i], JLabel.RIGHT);
			jl.setFont(font);
			c.add(jl);
			c.add(t);
			h.put(event[i], t);
		}
		c.add(b1);
		c.add(b2);
		setSize(1000, 500);
		setLocation(200, 150);
		setVisible(true);
		setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
	}

	public static void main(String[] args) {
		TrackEvent te = new TrackEvent("TrackEvent");

	}
} // /:~