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/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QML project on Qt Labs.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
** * Redistributions of source code must retain the above copyright
** notice, this list of conditions and the following disclaimer.
** * Redistributions in binary form must reproduce the above copyright
** notice, this list of conditions and the following disclaimer in
** the documentation and/or other materials provided with the
** distribution.
** * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
** the names of its contributors may be used to endorse or promote
** products derived from this software without specific prior written
** permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QOBJECTLISTMODEL_H
#define QOBJECTLISTMODEL_H
#include <QAbstractListModel>
/*
Open issues:
object ownership: is it helpful for the model to own the objects?
can we guard the objects so they are automatically removed
from the model when deleted?
add additional QList convenience functions (operator<<, etc.)
*/
class QObjectListModel : public QAbstractListModel
{
Q_OBJECT
Q_PROPERTY(int count READ count NOTIFY countChanged)
public:
explicit QObjectListModel(QObject *parent = 0);
QObjectListModel(QObjectList objects, QObject *parent = 0);
//model API
enum Roles { ObjectRole = Qt::UserRole+1 };
int rowCount(const QModelIndex &parent) const;
QVariant data(const QModelIndex &index, int role) const;
QObjectList objectList() const;
void setObjectList(QObjectList objects);
//list API
void append(QObject *object);
void append(const QObjectList &objects);
void insert(int i, QObject *object);
void insert(int i, const QObjectList &objects);
inline QObject *at(int i) const { return m_objects.at(i); }
inline QObject *operator[](int i) const { return m_objects[i]; }
void replace(int i, QObject *object);
void move(int from, int to);
void removeAt(int i, int count = 1);
QObject *takeAt(int i);
void clear();
inline bool contains(QObject *object) const { return m_objects.contains(object); }
inline int indexOf (QObject *object, int from = 0) const { return m_objects.indexOf(object, from); }
inline int lastIndexOf (QObject *object, int from = -1) const { return m_objects.lastIndexOf(object, from); }
inline int count() const { return m_objects.count(); }
inline int size() const { return m_objects.size(); }
inline bool isEmpty() const { return m_objects.isEmpty(); }
//additional QML API
Q_INVOKABLE QObject *get(int i) const;
Q_SIGNALS:
void countChanged();
private:
Q_DISABLE_COPY(QObjectListModel)
QObjectList m_objects;
};
#endif // QOBJECTMODEL_H
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