aboutaction.java

来自「chess 一个beguanyu国际象棋的一个Java源码」· Java 代码 · 共 64 行

/*
	AboutAction - A action to display a about box.

	Copyright (C) 2003 The Java-Chess team <[e-mail]>

	This program is free software; you can redistribute it and/or
	modify it under the terms of the GNU General Public License
	as published by the Free Software Foundation; either version 2
	of the License, or (at your option) any later version.

	This program is distributed in the hope that it will be useful,
	but WITHOUT ANY WARRANTY; without even the implied warranty of
	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with this program; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
*/

package de.java_chess.javaChess.action;

import de.java_chess.javaChess.dialogs.*;
import de.java_chess.javaChess.util.Tools;
import java.awt.event.*;
import java.awt.Dimension;
import java.awt.Toolkit;


/**
 * This class implements the action to display a about box.
 */
public class AboutAction extends JavaChessAction {

    // Instance variables


    // Constructors

    /**
     * Create a new action instance.
     */
    public AboutAction() {
	super( "About");
    }


    // Methods

    /**
     * The actual action.
     *
     * @param event The event, that triggered the action.
     */
    public void actionPerformed( ActionEvent event) {
	DialogAbout dialog = DialogAbout.getInstance();

	if ( dialog != null ) {
		Tools.setDialogToCenter( dialog );
		dialog.show();
	}
    }
}