/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the Declarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** No Commercial Usage
** This file contains pre-release code and may not be distributed.
** You may use this file in accordance with the terms and conditions
** contained in the Technology Preview License Agreement accompanying
** this package.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights.  These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
**
**
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef PARTICLE_H
#define PARTICLE_H

#include <QObject>
#include <QDebug>
#include "particlesystem.h"

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)


class ParticleType : public QSGItem
{
    Q_OBJECT
    Q_PROPERTY(ParticleSystem* system READ system WRITE setSystem NOTIFY systemChanged)
    Q_PROPERTY(QStringList particles READ particles WRITE setParticles NOTIFY particlesChanged)

public:
    explicit ParticleType(QSGItem *parent = 0);
    virtual void load(ParticleData*);
    virtual void reload(ParticleData*);
    virtual void setCount(int c);
    virtual int count();
    ParticleSystem* system() const
    {
        return m_system;
    }


    QStringList particles() const
    {
        return m_particles;
    }

    int particleTypeIndex(ParticleData*);
    virtual void componentComplete();
signals:
    void countChanged();
    void systemChanged(ParticleSystem* arg);

    void particlesChanged(QStringList arg);

public slots:
void setSystem(ParticleSystem* arg);

void setParticles(QStringList arg)
{
    if (m_particles != arg) {
        m_particles = arg;
        emit particlesChanged(arg);
    }
}
private slots:
    void calcSystemOffset();
protected:
    virtual void reset();

//    virtual QSGNode *updatePaintNode(QSGNode *, UpdatePaintNodeData *){
//        qDebug() << "Shouldn't be here..." << this;
//        return 0;
//    }

    ParticleSystem* m_system;
    friend class ParticleSystem;
    int m_count;
    bool m_pleaseReset;
    QStringList m_particles;
    QHash<int,int> m_particleStarts;
    int m_lastStart;
    QPointF m_systemOffset;
private:
};

QT_END_NAMESPACE
QT_END_HEADER
#endif // PARTICLE_H