/*
 * Copyright 2009 Ben Boeckel <MathStuf@gmail.com>
 * 
 * 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 3 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, see <http://www.gnu.org/licenses/>.
 */

#ifndef SIGTOOLS_BASEMODEL
#define SIGTOOLS_BASEMODEL

// Sigtools includes
#include "Global.h"

// Qt includes
#include <QtCore/QString>
#include <QtCore/QVariant>
#include <QtGui/QPixmap>

// Forward declarations
class QPainter;
class QStyleOptionViewItem;

namespace Sigtools
{
class SIGTOOLS_NO_EXPORT BaseModel : public QObject
{
    Q_OBJECT
    
    public:
        BaseModel(BaseModel* parent);
        virtual ~BaseModel();
        
        BaseModel* parent();
        
        virtual int rowCount() const = 0;
        
        virtual Qt::ItemFlags flags() const = 0;
        
        void paint(QPainter* painter, const QStyleOptionViewItem& option) const;
        QSize sizeHint(const QStyleOptionViewItem& option) const;
        
        virtual BaseModel* childItem(const int row) = 0;
        int indexNumber() const;
    protected:
        virtual int findChild(BaseModel* model) const = 0;
        virtual void redraw(const int width) const = 0;
        
        static const int borderWidth;
        static const int vertSpacing;
        static const int horizSpacing;
        
        BaseModel* m_parent;
        mutable QPixmap m_pixmap;
};
}

#endif