/*
* BlogBridge -- RSS feed reader, manager, and web based service
* Copyright (C) 2002-2009 by R. Pito Salas
*
* 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
*
* Contact: R. Pito Salas
* mailto:pitosalas@users.sourceforge.net
* More information: about BlogBridge
* http://www.blogbridge.com
* http://sourceforge.net/projects/blogbridge
*/
package com.salas.bb.core.actions.article;
import com.salas.bb.core.GlobalController;
import com.salas.bb.views.feeds.IFeedDisplay;
import com.salas.bb.views.mainframe.MainFrame;
import javax.swing.*;
import java.awt.event.ActionEvent;
/**
* Cycles view mode backwards.
*/
public class CycleViewModeBackwardAction extends AbstractAction
{
private static CycleViewModeBackwardAction instance;
/**
* Hidden constructor of singleton class.
*/
private CycleViewModeBackwardAction()
{
setEnabled(false);
}
/**
* Returns initialized instance.
*
* @return instance of action.
*/
public static synchronized CycleViewModeBackwardAction getInstance()
{
if (instance == null) instance = new CycleViewModeBackwardAction();
return instance;
}
/**
* Invoked when action occurs.
*
* @param e action event details object.
*/
public void actionPerformed(ActionEvent e)
{
final MainFrame mainFrame = GlobalController.SINGLETON.getMainFrame();
IFeedDisplay feedDisplay = mainFrame.getArticlesListPanel().getFeedView();
feedDisplay.cycleViewModeBackward();
}
}