/****************************************************************************
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** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
** Contact: Qt Software Information (qt-info@nokia.com)
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** This file is part of the QtDeclarative module of the Qt Toolkit.
**
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** No Commercial Usage
** This file contains pre-release code and may not be distributed.
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** contained in the either Technology Preview License Agreement or the
** Beta Release License Agreement.
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** 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
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** additional rights. These rights are described in the Nokia Qt LGPL
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** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/

#ifndef QFXPATHVIEW_H
#define QFXPATHVIEW_H

#include <QtDeclarative/qfxitem.h>
#include <QtDeclarative/qfxpath.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE

QT_MODULE(Declarative)

class QListModelInterface;
class QFxPathViewPrivate;
class Q_DECLARATIVE_EXPORT QFxPathView : public QFxItem
{
    Q_OBJECT

    Q_PROPERTY(QVariant model READ model WRITE setModel)
    Q_PROPERTY(QFxPath *path READ path WRITE setPath)
    Q_PROPERTY(int currentIndex READ currentIndex WRITE setCurrentIndex NOTIFY currentIndexChanged)
    Q_PROPERTY(qreal offset READ offset WRITE setOffset NOTIFY offsetChanged)
    Q_PROPERTY(qreal snapPosition READ snapPosition WRITE setSnapPosition)
    Q_PROPERTY(qreal dragMargin READ dragMargin WRITE setDragMargin)
    Q_PROPERTY(int count READ count)
    Q_PROPERTY(QmlComponent *delegate READ delegate WRITE setDelegate)
    Q_PROPERTY(int pathItemCount READ pathItemCount WRITE setPathItemCount)

public:
    QFxPathView(QFxItem *parent=0);
    virtual ~QFxPathView();

    QVariant model() const;
    void setModel(const QVariant &);

    QFxPath *path() const;
    void setPath(QFxPath *);

    int currentIndex() const;
    void setCurrentIndex(int idx);

    qreal offset() const;
    void setOffset(qreal offset);

    qreal snapPosition() const;
    void setSnapPosition(qreal pos);

    qreal dragMargin() const;
    void setDragMargin(qreal margin);

    int count() const;

    QmlComponent *delegate() const;
    void setDelegate(QmlComponent *);

    int pathItemCount() const;
    void setPathItemCount(int);

    static QObject *qmlAttachedProperties(QObject *);

Q_SIGNALS:
    void currentIndexChanged();
    void offsetChanged();

protected:
    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseMoveEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *);
    bool sendMouseEvent(QGraphicsSceneMouseEvent *event);
    bool sceneEventFilter(QGraphicsItem *, QEvent *);
    void componentComplete();

private Q_SLOTS:
    void refill();
    void ticked();
    void itemsInserted(int index, int count);
    void itemsRemoved(int index, int count);
    void createdItem(int index, QFxItem *item);
    void destroyingItem(QFxItem *item);

protected:
    QFxPathView(QFxPathViewPrivate &dd, QFxItem *parent);

private:
    friend class QFxPathViewAttached;
    static QHash<QObject*, QObject*> attachedProperties;
    Q_DISABLE_COPY(QFxPathView)
    Q_DECLARE_PRIVATE_D(QGraphicsItem::d_ptr.data(), QFxPathView)
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QFxPathView)
QML_DECLARE_TYPEINFO(QFxPathView, QML_HAS_ATTACHED_PROPERTIES)
QT_END_HEADER

#endif // QFXPATHVIEW_H