/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtQuick module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef QQUICKREPEATER_P_H
#define QQUICKREPEATER_P_H

#include "qquickitem.h"

QT_BEGIN_NAMESPACE

class QQmlChangeSet;

class QQuickRepeaterPrivate;
class Q_AUTOTEST_EXPORT QQuickRepeater : public QQuickItem
{
    Q_OBJECT

    Q_PROPERTY(QVariant model READ model WRITE setModel NOTIFY modelChanged)
    Q_PROPERTY(QQmlComponent *delegate READ delegate WRITE setDelegate NOTIFY delegateChanged)
    Q_PROPERTY(int count READ count NOTIFY countChanged)
    Q_CLASSINFO("DefaultProperty", "delegate")

public:
    QQuickRepeater(QQuickItem *parent=0);
    virtual ~QQuickRepeater();

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

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

    int count() const;

    Q_INVOKABLE QQuickItem *itemAt(int index) const;

Q_SIGNALS:
    void modelChanged();
    void delegateChanged();
    void countChanged();

    void itemAdded(int index, QQuickItem *item);
    void itemRemoved(int index, QQuickItem *item);

private:
    void clear();
    void regenerate();

protected:
    virtual void componentComplete();
    void itemChange(ItemChange change, const ItemChangeData &value);

private Q_SLOTS:
    void createdItem(int index, QObject *item);
    void initItem(int, QObject *item);
    void modelUpdated(const QQmlChangeSet &changeSet, bool reset);

private:
    Q_DISABLE_COPY(QQuickRepeater)
    Q_DECLARE_PRIVATE(QQuickRepeater)
};

QT_END_NAMESPACE

QML_DECLARE_TYPE(QQuickRepeater)

#endif // QQUICKREPEATER_P_H
