com.codename1.ui.resource.util.QuitAction Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of codenameone-designer Show documentation
The newest version!
/*
 * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores
 * CA 94065 USA or visit www.oracle.com if you need additional information or
 * have any questions.
 */

package com.codename1.ui.resource.util;

import com.codename1.designer.ResourceEditorApp;
import com.codename1.ui.util.EditableResources;
import java.awt.Dimension;
import java.awt.Rectangle;
import java.awt.Toolkit;
import java.awt.event.ActionEvent;
import java.awt.event.ComponentEvent;
import java.awt.event.ComponentListener;
import java.awt.event.KeyEvent;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;
import java.util.EventObject;
import java.util.Timer;
import java.util.TimerTask;
import java.util.prefs.Preferences;
import javax.swing.AbstractAction;
import javax.swing.ImageIcon;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.KeyStroke;
import org.jdesktop.application.Application;

/**
 * Action representing generic application exit logic
 *
 * @author Shai Almog
 */
public class QuitAction extends AbstractAction implements WindowListener {
    public static QuitAction INSTANCE = new QuitAction();
    private boolean exitPrompted;
    private EditableResources res;
    private QuitAction() {
        putValue(NAME, "Exit");
        putValue(SHORT_DESCRIPTION, "Exit");
        putValue(SMALL_ICON, new ImageIcon(getClass().getResource("/com/codename1/designer/resources/exit.png")));
        putValue(ACCELERATOR_KEY, KeyStroke.getKeyStroke(KeyEvent.VK_Q, KeyEvent.CTRL_DOWN_MASK));
        Application.getInstance().addExitListener(new Application.ExitListener() {

            @Override
            public boolean canExit(EventObject event) {
                exitPrompted = true;
                if(res != null && res.isModified()) {
                    if(JOptionPane.showConfirmDialog(ResourceEditorApp.getApplication().getMainFrame(), "File was modified, do you want to exit without saving?", 
                        "Exit", JOptionPane.YES_NO_OPTION, JOptionPane.QUESTION_MESSAGE) != JOptionPane.YES_OPTION) {
                        return false;
                    }
                }
                return true;
            }

            @Override
            public void willExit(EventObject event) {
            }
        });
    }
    
    public void setResource(EditableResources res) {
        this.res = res;
    }

    
    public boolean quit() {
        Application.getInstance().exit();
        return false;
    }

    public void actionPerformed(ActionEvent e) {
        Application.getInstance().exit();
    }

    public void windowOpened(WindowEvent e) {
    }

    public void windowClosing(WindowEvent e) {
        // workaround for a Swing Application Framework bug http://code.google.com/p/codenameone/issues/detail?id=6
        exitPrompted = false;
        new Timer().schedule(new TimerTask() {
            @Override
            public void run() {
                if(!exitPrompted) {
                    System.exit(0);
                }
            }
        }, 500);
    }

    public void windowClosed(WindowEvent e) {
    }

    public void windowIconified(WindowEvent e) {
    }

    public void windowDeiconified(WindowEvent e) {
    }

    public void windowActivated(WindowEvent e) {
    }

    public void windowDeactivated(WindowEvent e) {
    }
}