/*
This file is part of RouteConverter.
RouteConverter 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.
RouteConverter 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 RouteConverter; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Copyright (C) 2007 Christian Pesch. All Rights Reserved.
*/
package slash.navigation.gui.actions;
import slash.navigation.gui.Application;
import slash.navigation.gui.SingleFrameApplication;
import javax.swing.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import static slash.navigation.gui.helpers.UIHelper.startWaitCursor;
import static slash.navigation.gui.helpers.UIHelper.stopWaitCursor;
/**
* An {@link Action} and {@link ActionListener} that starts and stops the wait cursor on the application frame.
*
* @author Christian Pesch
*/
public abstract class FrameAction extends AbstractAction implements ActionListener {
private static ThreadLocal<ActionEvent> ACTION_EVENT = new ThreadLocal<ActionEvent>();
protected JFrame getFrame() {
Application application = Application.getInstance();
if (application instanceof SingleFrameApplication)
return ((SingleFrameApplication) application).getFrame();
throw new UnsupportedOperationException("FrameAction only works on SingleFrameApplication");
}
protected ActionEvent getEvent() {
return ACTION_EVENT.get();
}
public final void actionPerformed(ActionEvent e) {
ACTION_EVENT.set(e);
startWaitCursor(getFrame().getRootPane());
try {
run();
} finally {
stopWaitCursor(getFrame().getRootPane());
}
}
public abstract void run();
}