/* Copyright (C) 2003-2010 Jesper K. Pedersen <blackie@kde.org>

   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; see the file COPYING.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
#ifndef CATEGORYCOLLECTION_H
#define CATEGORYCOLLECTION_H

#include "DB/CategoryPtr.h"
#include "DB/Category.h"
#include <QList>

namespace DB
{

/**
   \class CategoryCollection
   This class is the collection of categories. It is the basic anchor point to categories.
*/

class CategoryCollection :public QObject
{
    Q_OBJECT

public:
    virtual CategoryPtr categoryForName( const QString& name ) const = 0;
    virtual QStringList categoryNames() const = 0;
    virtual QStringList categoryTexts() const = 0;
    virtual void removeCategory( const QString& name ) = 0;
    virtual void rename( const QString& oldName, const QString& newName ) = 0;
    virtual QList<CategoryPtr> categories() const = 0;
    virtual void addCategory( const QString& text, const QString& icon, Category::ViewType type,
                              int thumbnailSize, bool show ) = 0;

    QString nameForText( const QString& text );

signals:
    void categoryCollectionChanged();
    void itemRenamed( DB::Category* category, const QString& oldName, const QString& newName );
    void itemRemoved( DB::Category* category, const QString& name );

protected slots:
    void itemRenamed( const QString& oldName, const QString& newName );
    void itemRemoved( const QString& item );
};

}

#endif /* CATEGORYCOLLECTION_H */

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