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/*
    This file is part of Akregator.

    Copyright (C) 2005 Frank Osterfeld <frank.osterfeld at kdemail.net>

    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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

    As a special exception, permission is given to link this program
    with any edition of TQt, and distribute the resulting executable,
    without including the source code for TQt in the source distribution.
*/

#ifndef AKREGATOR_TAGNODELIST_H
#define AKREGATOR_TAGNODELIST_H

#include "tagfolder.h"

class TQDomDocument;
template <class T> class TQValueList;

namespace Akregator {

   class FeedList;
   class Folder;
   class TagFolder;
   class TagNode;
   class TreeNode;
   class Tag;
   class TagSet;
   
   
   class TagNodeList : public NodeList
   {
       Q_OBJECT
  
       public:


       TagNodeList(FeedList* feedList, TagSet* tagSet);
       virtual ~TagNodeList();
       
       FeedList* feedList() const;
       bool insert(TagNode* tagNode);
       bool remove(TagNode* tagNode);
       bool containsTagId(const TQString& tagId);
       TQValueList<TagNode*> toList() const;
       
       TagNode* findByTagID(const TQString& tagID);

       virtual bool readFromXML(const TQDomDocument& doc);
       virtual TQDomDocument toXML() const;

       virtual TagFolder* rootNode() const;
       
       public slots:

       void slotTagAdded(const Tag& tag);
       void slotTagUpdated(const Tag& tag);
       void slotTagRemoved(const Tag& tag);
       
       signals:

       void signalDestroyed(TagNodeList*);
       void signalTagNodeAdded(TagNode* node);
       void signalTagNodeRemoved(TagNode* node);

       protected slots:

       virtual void slotNodeDestroyed(TreeNode* node);
       virtual void slotNodeAdded(TreeNode* node);
       virtual void slotNodeRemoved(Folder* parent, TreeNode* node);

       private:
       
       class TagNodeListPrivate;
       TagNodeListPrivate* d;
   };

} // namespace Akregator

#endif