keytexttester.java

The Definitive Guide to Java Swing, Third Edition by John Zukowski (Author) 源码

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

public class KeyTextTester  {
  public static void main(String args[]) {
    Runnable runner = new Runnable() {
      public void run() {
        JFrame frame = new JFrame("Key Text Sample");
        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        KeyTextComponent2 keyTextComponent = new KeyTextComponent2();
        final JTextField textField = new JTextField();

        ActionListener actionListener = new ActionListener() {
          public void actionPerformed(ActionEvent actionEvent) {
            String keyText = actionEvent.getActionCommand();
            textField.setText(keyText);
          }
        };
        keyTextComponent.addActionListener(actionListener);

        frame.add(keyTextComponent, BorderLayout.CENTER);
        frame.add(textField, BorderLayout.SOUTH);
        frame.setSize(300, 200);
        frame.setVisible(true);
      }
    };
    EventQueue.invokeLater(runner);
  }
}