// 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: ShowFeedTagsAction.java,v 1.11 2008/02/15 15:01:23 spyromus Exp $
//
package com.salas.bb.tags;
import com.salas.bb.core.GlobalController;
import com.salas.bb.domain.IFeed;
import com.salas.bb.domain.ITaggable;
import com.salas.bb.tags.net.ITagsStorage;
import com.salas.bb.views.mainframe.MainFrame;
import java.util.ArrayList;
import java.util.List;
/**
* Shows tags of selected feed.
*/
public class ShowFeedTagsAction extends AbstractShowTagsAction
{
private static ShowFeedTagsAction instance;
/**
* Hidden singleton constructor.
*/
protected ShowFeedTagsAction()
{
}
/**
* Returns instance of the action.
*
* @return instance.
*/
public static synchronized ShowFeedTagsAction getInstance()
{
if (instance == null) instance = new ShowFeedTagsAction();
return instance;
}
/**
* Returns currently selected taggable objects.
*
* @return taggable objects or <code>NULL</code> to skip further processing.
*/
protected ITaggable[] getSelectedTaggables()
{
IFeed[] selectedFeeds = getFeeds();
List taggables = new ArrayList(selectedFeeds.length);
for (int i = 0; i < selectedFeeds.length; i++)
{
IFeed feed = selectedFeeds[i];
if (feed instanceof ITaggable) taggables.add(feed);
}
return taggables.size() == 0 ? null
: (ITaggable[])taggables.toArray(new ITaggable[taggables.size()]);
}
/**
* Returns the list of feeds to handle.
*
* @return feeds.
*/
protected IFeed[] getFeeds()
{
return GlobalController.SINGLETON.getSelectedFeeds();
}
/**
* Returns initialized dialog window.
*
* @param aMainFrame main frame.
* @param aNetHandler tags networker object.
*
* @return dialog.
*/
protected AbstractTagsDialog getTagsDialog(MainFrame aMainFrame,
ITagsStorage aNetHandler)
{
return new FeedTagsDialog(aMainFrame, aNetHandler);
}
}