mainframe_aboutbox.java

library-manage-system(图书管理系统),很好的学习源码。

package library;

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

/**
 * <p>Title: </p>
 * <p>Description: </p>
 * <p>Copyright: Copyright (c) 2005</p>
 * <p>Company: </p>
 * @author unascribed
 * @version 1.0
 */

public class MainFrame_AboutBox extends JDialog implements ActionListener {

  private JPanel panel1 = new JPanel();
  private JPanel panel2 = new JPanel();
  private JPanel insetsPanel1 = new JPanel();
  private JPanel insetsPanel2 = new JPanel();
  private JPanel insetsPanel3 = new JPanel();
  private JButton button1 = new JButton();
  private JLabel imageLabel = new JLabel();
  private JLabel label1 = new JLabel();
  private JLabel label2 = new JLabel();
  private JLabel label3 = new JLabel();
  private JLabel label4 = new JLabel();
  private BorderLayout borderLayout1 = new BorderLayout();
  private BorderLayout borderLayout2 = new BorderLayout();
  private FlowLayout flowLayout1 = new FlowLayout();
  private GridLayout gridLayout1 = new GridLayout();
  private String product = "";
  private String version = "1.0";
  private String copyright = "Copyright (c) 2005";
  private String comments = "";
  public MainFrame_AboutBox(Frame parent) {
    super(parent);
    enableEvents(AWTEvent.WINDOW_EVENT_MASK);
    try {
      jbInit();
    }
    catch(Exception e) {
      e.printStackTrace();
    }
  }
  //Component initialization
  private void jbInit() throws Exception  {
    //imageLabel.setIcon(new ImageIcon(MainFrame_AboutBox.class.getResource("[Your Image]")));
    this.setTitle("About");
    panel1.setLayout(borderLayout1);
    panel2.setLayout(borderLayout2);
    insetsPanel1.setLayout(flowLayout1);
    insetsPanel2.setLayout(flowLayout1);
    insetsPanel2.setBorder(BorderFactory.createEmptyBorder(10, 10, 10, 10));
    gridLayout1.setRows(4);
    gridLayout1.setColumns(1);
    label1.setText(product);
    label2.setText(version);
    label3.setText(copyright);
    label4.setText(comments);
    insetsPanel3.setLayout(gridLayout1);
    insetsPanel3.setBorder(BorderFactory.createEmptyBorder(10, 60, 10, 10));
    button1.setText("Ok");
    button1.addActionListener(this);
    insetsPanel2.add(imageLabel, null);
    panel2.add(insetsPanel2, BorderLayout.WEST);
    this.getContentPane().add(panel1, null);
    insetsPanel3.add(label1, null);
    insetsPanel3.add(label2, null);
    insetsPanel3.add(label3, null);
    insetsPanel3.add(label4, null);
    panel2.add(insetsPanel3, BorderLayout.CENTER);
    insetsPanel1.add(button1, null);
    panel1.add(insetsPanel1, BorderLayout.SOUTH);
    panel1.add(panel2, BorderLayout.NORTH);
    setResizable(true);
  }
  //Overridden so we can exit when window is closed
  protected void processWindowEvent(WindowEvent e) {
    if (e.getID() == WindowEvent.WINDOW_CLOSING) {
      cancel();
    }
    super.processWindowEvent(e);
  }
  //Close the dialog
  void cancel() {
    dispose();
  }
  //Close the dialog on a button event
  public void actionPerformed(ActionEvent e) {
    if (e.getSource() == button1) {
      cancel();
    }
  }
}