yncdialog.java

ErGo是一个很早的Java通用围棋服务器(IGS/NNGS)客户端程序。有全部源码和文档

package ergo.ui;

// $Id: YNCDialog.java,v 1.2 1999/08/13 01:20:11 sigue Exp $

/*
 *  Copyright (C) 1999  Carl L. Gay and Antranig M. Basman.
 *  See the file copyright.txt, distributed with this software,
 *  for further information.
 */

import java.awt.*;
import java.awt.event.*;

// Yes/No/Cancel dialog
public class YNCDialog extends ErgoDialog implements ActionListener {
  private Button yesButton = null;
  private Button noButton = null;
  private Button cancelButton = null;

  public YNCDialog (Frame f, String title, boolean modal,
		    String question, String yes, String no, String cancel,
		    ActionListener listener) {
    super(f, title, modal);

    Panel top = new Panel();
    Panel bot = new Panel();
    top.add(new Label(question));

    if (yes != null) {
      yesButton = new Button(yes);
      yesButton.addActionListener(this);
      yesButton.addActionListener(listener);
      bot.add(yesButton);
    }
    if (no != null) {
      noButton = new Button(no);
      noButton.addActionListener(this);
      noButton.addActionListener(listener);
      bot.add(noButton);
    }
    if (cancel != null) {
      cancelButton = new Button("Cancel");
      cancelButton.addActionListener(this);
      cancelButton.addActionListener(listener);
      bot.add(cancelButton);
    }
    add("North", top);
    add("South", bot);
  }

  public YNCDialog (Frame f, String title, boolean modal, String question,
		    ActionListener listener, boolean cancelp) {
    this(f, title, modal, question, "Yes", "No",
	 (cancelp ? "Cancel" : null), listener);
  }

  // Any button closes the dialog.
  public void actionPerformed (ActionEvent e) {
    close();
  }

}