nodelist.h

/*
    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_NODELIST_H
#define AKREGATOR_NODELIST_H
 
#include <tqobject.h>
 
class TQDomDocument;
class TQDomNode;
class TQString;
 
template <class K,class T> class TQMap;
template <class T> class TQValueList;
 
// hack for KDE 3.x series
#ifdef signals
#  undef signals
#  define signals public
#endif
 
namespace Akregator {
 
class Folder;
class TreeNode;
 
class NodeList : public TQObject
{
 
TQ_OBJECT
  
 
public:
    NodeList(TQObject *parent=0, const char *name=0);
    virtual ~NodeList();
 
    virtual Folder* rootNode() const;
 
    virtual bool readFromXML(const TQDomDocument& doc) = 0;
 
    virtual TQDomDocument toXML() const = 0;
 
    virtual bool isEmpty() const;
 
    TreeNode* findByID(int id) const;
 
    const TQString& title() const;
 
    void setTitle(const TQString& name);
 
    const TQValueList<TreeNode*>& asFlatList() const;
 
signals:
    void signalDestroyed(NodeList*);
    void signalNodeAdded(TreeNode*);
    void signalNodeRemoved(TreeNode*);
 
public slots:
 
    void clear();
 
public:         // compat with KDE-3.x assertions, remove for KDE 4
// protected:
 
    TQValueList<TreeNode*>* flatList() const;
    TQMap<int, TreeNode*>* idMap() const;
    
    int generateID();
    void setRootNode(Folder* folder);
    virtual void addNode(TreeNode* node, bool preserveID);
    virtual void removeNode(TreeNode* node);
  
public slots:         // compat with KDE-3.x assertions, remove for KDE 4
// protected slots:
 
    virtual void slotNodeDestroyed(TreeNode* node);
    virtual void slotNodeAdded(TreeNode* node);
    virtual void slotNodeRemoved(Folder* parent, TreeNode* node);
 
public:         // compat with KDE-3.x assertions, remove for KDE 4
// private:
    NodeList(const NodeList&) : TQObject() {}
    NodeList& operator=(const NodeList&) { return *this; }
 
    friend class AddNodeVisitor;
    class AddNodeVisitor;
 
    friend class RemoveNodeVisitor;
    class RemoveNodeVisitor;
 
    class NodeListPrivate;
    NodeListPrivate* d;
    
};
 
} // namespace Akregator
 
#endif // AKREGATOR_NODELIST_H