// BlogBridge -- RSS feed reader, manager, and web based service
// Copyright (C) 2002-2006 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
//
// $Id: MoveSelectedFeedDownAction.java,v 1.4 2006/01/08 04:42:24 kyank Exp $
//
package com.salas.bb.core.actions.feed;
import com.salas.bb.core.GuideModel;
import com.salas.bb.core.GlobalController;
import com.salas.bb.core.GlobalModel;
import com.salas.bb.domain.IFeed;
import com.salas.bb.domain.IGuide;
import com.salas.bb.domain.StandardGuide;
import javax.swing.*;
import java.awt.event.ActionEvent;
/**
* Moves current channel down.
*/
public class MoveSelectedFeedDownAction extends AbstractAction
{
private JList list;
/**
* Creates new action listener. It needs list reference to perform correct
* selection of cells.
*
* @param list list with channels.
*/
public MoveSelectedFeedDownAction(JList list)
{
this.list = list;
}
/**
* Invoked when action occurs.
*
* @param e action event details object.
*/
public void actionPerformed(ActionEvent e)
{
final IFeed feed = GlobalModel.SINGLETON.getSelectedFeed();
final IGuide guide = GlobalModel.SINGLETON.getSelectedGuide();
// Reorderings are allowed only for standard guides
if (!(guide instanceof StandardGuide)) return;
StandardGuide sGuide = (StandardGuide)guide;
final GuideModel model = GlobalModel.SINGLETON.getGuideModel();
// Move channel down if this one isn't already bottom-most.
final int index = model.indexOf(feed) + 1;
if (feed != null && index < model.getSize())
{
// Get real index
IFeed entry = (IFeed)model.getElementAt(index);
int realIndex = guide.indexOf(entry);
GlobalController.SINGLETON.moveFeed(feed, sGuide, sGuide, realIndex);
// Select it back and ensure that it's visible.
list.setSelectedIndex(index);
list.ensureIndexIsVisible(index);
}
}
}