/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
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** This file is part of the QtDeclarative module of the Qt Toolkit.
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** contained in the Technology Preview License Agreement accompanying
** this package.
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** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
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** ensure the GNU Lesser General Public License version 2.1 requirements
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****************************************************************************/

#include "graphicswidgets_p.h"

QT_BEGIN_NAMESPACE

class QGraphicsViewDeclarativeUI : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QGraphicsScene *scene READ scene WRITE setScene)
    Q_CLASSINFO("DefaultProperty", "scene")
public:
    QGraphicsViewDeclarativeUI(QObject *other) : QObject(other) {}

    QGraphicsScene *scene() const { return static_cast<QGraphicsView *>(parent())->scene(); }
    void setScene(QGraphicsScene *scene)
    {
        static_cast<QGraphicsView *>(parent())->setScene(scene);
    }
};

class QGraphicsSceneDeclarativeUI : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QmlListProperty<QObject> children READ children)
    Q_CLASSINFO("DefaultProperty", "children")
public:
    QGraphicsSceneDeclarativeUI(QObject *other) : QObject(other) {}

    QmlListProperty<QObject> children() { return QmlListProperty<QObject>(this->parent(), 0, children_append); }

private:
    static void children_append(QmlListProperty<QObject> *prop, QObject *o) {
        if (QGraphicsObject *go = qobject_cast<QGraphicsObject *>(o))
            static_cast<QGraphicsScene *>(prop->object)->addItem(go);
    }
};

class QGraphicsWidgetDeclarativeUI : public QObject
{
    Q_OBJECT

    Q_PROPERTY(QmlListProperty<QGraphicsItem> children READ children)
    Q_PROPERTY(QGraphicsLayout *layout READ layout WRITE setLayout)
    Q_CLASSINFO("DefaultProperty", "children")
public:
    QGraphicsWidgetDeclarativeUI(QObject *other) : QObject(other) {}

    QmlListProperty<QGraphicsItem> children() { return QmlListProperty<QGraphicsItem>(this, 0, children_append); }

    QGraphicsLayout *layout() const { return static_cast<QGraphicsWidget *>(parent())->layout(); }
    void setLayout(QGraphicsLayout *lo)
    {
        static_cast<QGraphicsWidget *>(parent())->setLayout(lo);
    }

private:
    void setItemParent(QGraphicsItem *wid)
    {
        wid->setParentItem(static_cast<QGraphicsWidget *>(parent()));
    }

    static void children_append(QmlListProperty<QGraphicsItem> *prop, QGraphicsItem *i) {
        static_cast<QGraphicsWidgetDeclarativeUI*>(prop->object)->setItemParent(i);
    }
};

QML_DEFINE_EXTENDED_TYPE(Qt,4,6,QGraphicsView,QGraphicsView,QGraphicsViewDeclarativeUI)
QML_DEFINE_EXTENDED_TYPE(Qt,4,6,QGraphicsScene,QGraphicsScene,QGraphicsSceneDeclarativeUI)
QML_DEFINE_EXTENDED_TYPE(Qt,4,6,QGraphicsWidget,QGraphicsWidget,QGraphicsWidgetDeclarativeUI)

QML_DEFINE_INTERFACE(QGraphicsItem)

QT_END_NAMESPACE

#include <graphicswidgets.moc>