001    /******************************************************************************
002     * Copyright (C) MActor Developers. All rights reserved.                        *
003     * ---------------------------------------------------------------------------*
004     * This file is part of MActor.                                               *
005     *                                                                            *
006     * MActor is free software; you can redistribute it and/or modify             *
007     * it under the terms of the GNU General Public License as published by       *
008     * the Free Software Foundation; either version 2 of the License, or          *
009     * (at your option) any later version.                                        *
010     *                                                                            *
011     * MActor is distributed in the hope that it will be useful,                  *
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of             *
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the              *
014     * GNU General Public License for more details.                               *
015     *                                                                            *
016     * You should have received a copy of the GNU General Public License          *
017     * along with MActor; if not, write to the Free Software                      *
018     * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA *
019     ******************************************************************************/
020    package org.mactor.ui.gui;
021    
022    import java.awt.Component;
023    import java.awt.Cursor;
024    import java.awt.event.ActionEvent;
025    
026    import javax.swing.AbstractAction;
027    import javax.swing.JOptionPane;
028    import javax.swing.SwingUtilities;
029    
030    import org.mactor.framework.MactorException;
031    
032    public class AsyncAction extends AbstractAction {
033            AsyncRunnable r;
034            Component source;
035            boolean confirm;
036            public AsyncAction(String name, boolean confirm, AsyncRunnable r) {
037                    super(name);
038                    this.r = r;
039                    this.confirm = confirm;
040            }
041            public void actionPerformed(ActionEvent e) {
042                    if (confirm) {
043                            if (JOptionPane.YES_OPTION != JOptionPane.showConfirmDialog(null, "Are you sure you want to perfom '" + getValue(AbstractAction.NAME) + "' ?"))
044                                    return;
045                    }
046                    setEnabled(false);
047                    if (e.getSource() instanceof Component && ((Component) e.getSource()).getParent() != null)
048                            source = ((Component) e.getSource()).getParent();
049                    if (source != null)
050                            source.setCursor(new Cursor(Cursor.WAIT_CURSOR));
051                    SwingUtilities.invokeLater(new Runnable() {
052                            public void run() {
053                                    try {
054                                            try {
055                                                    r.run();
056                                            } catch (MactorException me) {
057                                                    GuiUtil.showGuiError(source, me);
058                                            }
059                                    } finally {
060                                            setEnabled(true);
061                                            if (source != null)
062                                                    source.setCursor(new Cursor(Cursor.DEFAULT_CURSOR));
063                                    }
064                            }
065                    });
066            }
067            public static interface AsyncRunnable {
068                    void run() throws MactorException;
069            }
070    }