awtexample.java

来自「this contains the source code for gui,se」· Java 代码 · 共 103 行

/*
 * AWTExample.java
 *
 * Created on January 22, 2009, 10:50 AM
 *
 * To change this template, choose Tools | Template Manager
 * and open the template in the editor.
 */

/**
 *
 * @author mekala
 */
import java.awt.*;
import java.awt.event.*;

public class AWTExample extends Frame {
    
   private Button copyButton;
    private Button cutButton;
    private Button pasteButton;
    private Button  exitButton;


    /**
     * Public no-arg constructor
     */
    public AWTExample() {

        super("Simple AWT Example");
        setSize(450, 250);

        addWindowListener(
                new WindowAdapter() {
                    public void windowClosing(WindowEvent e) {
                        System.exit(0);
                    }
                }
        );

        ActionListener buttonListener = new ActionListener() {
        
            public void actionPerformed(ActionEvent ae) {

                String action = ae.getActionCommand();
                
                if (action.equals("Exit")) {
                    dispose();
                    System.out.println("Exiting.");
                    System.exit(0);
                } else {
                    System.out.println(action);
                }
            }
            
        };


        // Toolbar Panel
        Panel toolbarPanel = new Panel();
        toolbarPanel.setLayout(new FlowLayout(FlowLayout.LEFT));

        copyButton = new Button("Copy");
        copyButton.addActionListener(buttonListener);
        toolbarPanel.add(copyButton);

        cutButton = new Button("Cut");
        cutButton.addActionListener(buttonListener);
        toolbarPanel.add(cutButton);

        pasteButton = new Button("Paste");
        pasteButton.addActionListener(buttonListener);
        toolbarPanel.add(pasteButton);

        add(toolbarPanel, BorderLayout.NORTH);

        // Bottom Panel
        Panel bottomPanel = new Panel();

        exitButton = new Button("Exit");
        exitButton.addActionListener(buttonListener);
        bottomPanel.add(exitButton);
        
        add(bottomPanel, BorderLayout.SOUTH);

    }




    /**
     * Sole entry point to the class and application.
     * @param args Array of String arguments.
     */
    public static void main(String[] args) {

        AWTExample mainFrame = new AWTExample();
        mainFrame.setVisible(true);

    }
    
}