/****************************************************************************
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** Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB).
** Contact: http://www.qt-project.org/legal
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** Alternatively, this file may be used under the terms of the GNU
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****************************************************************************/

#ifndef QT3DRENDER_QPARAMETER_H
#define QT3DRENDER_QPARAMETER_H

#include <QVariant>
#include <Qt3DCore/qnode.h>
#include <Qt3DRender/qt3drender_global.h>

QT_BEGIN_NAMESPACE

namespace Qt3DRender {

class QParameterPrivate;
class QAbstractTextureProvider;

class QT3DRENDERSHARED_EXPORT QParameter : public Qt3DCore::QNode
{
    Q_OBJECT
    Q_PROPERTY(QString name READ name WRITE setName NOTIFY nameChanged)
    Q_PROPERTY(QVariant value READ value WRITE setValue NOTIFY valueChanged)

public:
    explicit QParameter(Qt3DCore::QNode *parent = 0);
    ~QParameter();
    QParameter(const QString &name, const QVariant& value, Qt3DCore::QNode *parent = 0);
    QParameter(const QString &name, QAbstractTextureProvider *texture, Qt3DCore::QNode *parent = 0);

    QString name() const;

    /**
     * @brief setDefaultValue - for non-texture uniform parameters
     * @param dv
     */
    QVariant value() const;

public Q_SLOTS:
    void setName(const QString &name);
    void setValue(const QVariant &dv);

Q_SIGNALS:
    void valueChanged(const QVariant &value);
    void nameChanged(const QString &name);

protected:
    QParameter(QParameterPrivate &dd, Qt3DCore::QNode *parent = 0);
    void copy(const Qt3DCore::QNode *ref) Q_DECL_OVERRIDE;

private:
    Q_DECLARE_PRIVATE(QParameter)
    QT3D_CLONEABLE(QParameter)
};

} // namespace Qt3DRender

QT_END_NAMESPACE

#endif // QT3DRENDER_PARAMETER_H
