001/*
002 * Copyright (c) 2005 Einar Pehrson <einar@pehrson.nu>.
003 *
004 * This file is part of
005 * CleanSheets - a spreadsheet application for the Java platform.
006 *
007 * CleanSheets is free software; you can redistribute it and/or modify
008 * it under the terms of the GNU General Public License as published by
009 * the Free Software Foundation; either version 2 of the License, or
010 * (at your option) any later version.
011 *
012 * CleanSheets is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
015 * GNU General Public License for more details.
016 *
017 * You should have received a copy of the GNU General Public License
018 * along with CleanSheets; if not, write to the Free Software
019 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
020 */
021package csheets.ui;
022
023import java.awt.Window;
024import java.awt.event.ActionEvent;
025import java.awt.event.WindowAdapter;
026import java.awt.event.WindowEvent;
027
028import javax.swing.Action;
029
030/**
031 * A window adapter that invokes an action on window closing.
032 * @author Einar Pehrson
033 */
034public class WindowClosingHandler extends WindowAdapter {
035
036        /** The window to listen to */
037        private Window window;
038
039        /** The action to invoke on window closing */
040        private Action action;
041
042        /**
043         * Creates a new window closing handler
044         * @param window the window to listen to
045         * @param action the action to invoke on window closing
046         */
047         public WindowClosingHandler(Window window, Action action) {
048                this.window = window;
049                this.action = action;
050         }
051
052        /**
053         * Invokes exit() on the UI controller when a window closing event
054         * is received.
055         * @param e the event that was fied
056         */
057        public void windowClosing(WindowEvent e) {
058                action.actionPerformed(new ActionEvent(window, ActionEvent.ACTION_PERFORMED,
059                        action.getValue(Action.ACTION_COMMAND_KEY).toString()));
060        }
061}