/*  SaveGameAsAction - A action to save a game.  Copyright (C) 2003 The Java-Chess team <info@java-chess.de>  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.pgn.*;import de.java_chess.javaChess.notation.*;import java.awt.event.*;import java.io.*;import javax.swing.*;/** * This class implements the action to save a game. */public class SaveGameAsAction extends SaveGameAction {    // Instance variables    /**     * A file filter for PGN files.     */    private static PGNFileFilter _pgnFileFilter;    // Constructors    /**     * Create a new action instance.     *     * @param gameNotation The notation of the game.     */    public SaveGameAsAction( GameNotation gameNotation) {	super( "Save game as...", gameNotation);	_gameNotation = gameNotation;    }        // Methods    /**     * The actual action.     *     * @param event The event, that caused this action.     */    public void actionPerformed( ActionEvent event) {	// Create a new filechooser	JFileChooser chooser = new JFileChooser();		chooser.setDialogTitle( "Saving game as pgn file");	        chooser.setFileFilter( getPGNFileFilter());	int retval = chooser.showSaveDialog( null);        if( retval == JFileChooser.APPROVE_OPTION) {	    trySave( chooser.getSelectedFile());        }     }    /**     * Get a PGN file filter.     *      * @return A PGN file filter.     */    public static PGNFileFilter getPGNFileFilter() {	// To avoid the instanciation of too many object at app startup,	// less important object are created as needed.	if( null == _pgnFileFilter) {	    _pgnFileFilter = new PGNFileFilter();	}	return _pgnFileFilter;    }}