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****************************************************************************/

#ifndef QITEMEDITORFACTORY_H

#define QITEMEDITORFACTORY_H

#include <QtCore/qmetaobject.h>

#include <QtCore/qbytearray.h>

#include <QtCore/qhash.h>

#include <QtCore/qvariant.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Gui)

#ifndef QT_NO_ITEMVIEWS

class QWidget;

class Q_GUI_EXPORT QItemEditorCreatorBase

{

public:

    virtual ~QItemEditorCreatorBase() {}

    virtual QWidget *createWidget(QWidget *parent) const = 0;

    virtual QByteArray valuePropertyName() const = 0;

};

template <class T>

class QItemEditorCreator : public QItemEditorCreatorBase

{

public:

    inline QItemEditorCreator(const QByteArray &valuePropertyName);

    inline QWidget *createWidget(QWidget *parent) const { return new T(parent); }

    inline QByteArray valuePropertyName() const { return propertyName; }

private:

    QByteArray propertyName;

};

template <class T>

class QStandardItemEditorCreator: public QItemEditorCreatorBase

{

public:

    inline QStandardItemEditorCreator()

        : propertyName(T::staticMetaObject.userProperty().name())

    {}

    inline QWidget *createWidget(QWidget *parent) const { return new T(parent); }

    inline QByteArray valuePropertyName() const { return propertyName; }

private:

    QByteArray propertyName;

};

template <class T>

Q_INLINE_TEMPLATE QItemEditorCreator<T>::QItemEditorCreator(const QByteArray &avaluePropertyName)

    : propertyName(avaluePropertyName) {}

class Q_GUI_EXPORT QItemEditorFactory

{

public:

    inline QItemEditorFactory() {}

    virtual ~QItemEditorFactory();

    virtual QWidget *createEditor(QVariant::Type type, QWidget *parent) const;

    virtual QByteArray valuePropertyName(QVariant::Type type) const;

    void registerEditor(QVariant::Type type, QItemEditorCreatorBase *creator);

    static const QItemEditorFactory *defaultFactory();

    static void setDefaultFactory(QItemEditorFactory *factory);

private:

    QHash<QVariant::Type, QItemEditorCreatorBase *> creatorMap;

};

#endif // QT_NO_ITEMVIEWS

QT_END_NAMESPACE

QT_END_HEADER

#endif // QITEMEDITORFACTORY_H