/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** 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 Digia Plc 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 CITIESLISTMODEL_H
#define CITIESLISTMODEL_H

#include <QtCore/QAbstractListModel>
#include <QtCore/QList>
#include <QtCore/QPair>
#include <QtCore/QStringList>
#include <QtQml/qqml.h>

typedef QPair<QString, QString> CityXmlPair;

class CitiesListModel : public QAbstractListModel
{
    Q_OBJECT
    Q_PROPERTY(bool isEmpty READ isEmpty NOTIFY isEmptyChanged)
public:
    enum {
        NameRole = Qt::UserRole + 1,
        CountryRole = Qt::UserRole + 2
    };
    CitiesListModel(QObject *parent = 0);

    Q_INVOKABLE QString getCitySourceXml(const int index);
    void addCities(QStringList listCities = QStringList());

    bool isEmpty() const { return m_isEmpty; }

    void clear();
    QVariant data(const QModelIndex &index, int role = Qt::DisplayRole) const;
    Q_INVOKABLE int rowCount(const QModelIndex & parent = QModelIndex()) const;
    QHash<int, QByteArray> roleNames() const;

signals:
    void isEmptyChanged();

private:
    QList<CityXmlPair> m_foundCities;
    bool m_isEmpty;
};

QML_DECLARE_TYPE(CitiesListModel)

#endif // CITIESLISTMODEL_H