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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** 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 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."
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtCore/QAbstractListModel>
#include <QtCore/QDate>
class StockPrice : public QObject
{
Q_OBJECT
Q_PROPERTY(QDate date READ date)
Q_PROPERTY(qreal openPrice READ openPrice)
Q_PROPERTY(qreal closePrice READ closePrice)
Q_PROPERTY(qreal highPrice READ highPrice)
Q_PROPERTY(qreal lowPrice READ lowPrice)
Q_PROPERTY(qint32 volume READ volume)
Q_PROPERTY(qreal adjustedPrice READ adjustedPrice)
public:
StockPrice(QObject *parent = 0)
: QObject(parent)
, _openPrice(-1)
, _closePrice(-1)
, _highPrice(-1)
, _lowPrice(-1)
, _volume(-1)
, _adjustedPrice(-1)
{
}
QDate date() const {return _date;}
qreal openPrice() const {return _openPrice; }
qreal closePrice() const {return _closePrice;}
qreal highPrice() const {return _highPrice;}
qreal lowPrice() const{return _lowPrice;}
qreal adjustedPrice() const{return _adjustedPrice;}
qint32 volume() const{return _volume;}
void setDate(const QDate& date){_date = date;}
void setOpenPrice(qreal price){_openPrice = price;}
void setClosePrice(qreal price){_closePrice = price;}
void setHighPrice(qreal price){_highPrice = price;}
void setLowPrice(qreal price){_lowPrice = price;}
void setAdjustedPrice(qreal price) {_adjustedPrice = price;}
void setVolume(qint32 volume) {_volume = volume;}
private:
QDate _date;
qreal _openPrice;
qreal _closePrice;
qreal _highPrice;
qreal _lowPrice;
qint32 _volume;
qreal _adjustedPrice;
};
class QNetworkReply;
class QNetworkAccessManager;
class StockModel : public QAbstractListModel
{
Q_OBJECT
Q_PROPERTY(QString stockName READ stockName WRITE setStockName NOTIFY stockNameChanged)
Q_PROPERTY(QDate startDate READ startDate WRITE setStartDate NOTIFY startDateChanged)
Q_PROPERTY(QDate endDate READ endDate WRITE setEndDate NOTIFY endDateChanged)
Q_PROPERTY(StockDataCycle dataCycle READ dataCycle WRITE setDataCycle NOTIFY dataCycleChanged)
Q_ENUMS(StockDataCycle)
public:
enum StockDataCycle {
Daily,
Weekly,
Monthly,
Dividend
};
enum StockModelRoles {
DateRole = Qt::UserRole + 1,
SectionRole,
OpenPriceRole,
ClosePriceRole,
HighPriceRole,
LowPriceRole,
VolumeRole,
AdjustedPriceRole
};
StockModel(QObject *parent = 0);
QString stockName() const;
void setStockName(const QString& name);
QDate startDate() const;
void setStartDate(const QDate& date);
QDate endDate() const;
void setEndDate(const QDate& date);
StockDataCycle dataCycle() const;
void setDataCycle(StockDataCycle cycle);
int rowCount(const QModelIndex & parent = QModelIndex()) const;
QVariant data(const QModelIndex & index, int role = Qt::DisplayRole) const;
signals:
void stockNameChanged();
void startDateChanged();
void endDateChanged();
void dataCycleChanged();
void downloadProgress(qint64 bytesReceived, qint64 bytesTotal);
public slots:
void requestData();
StockPrice* stockPriceAtIndex(int idx) const;
private slots:
void doRequest();
void update(QNetworkReply* reply);
private:
QString dataCycleString() const;
QList<StockPrice*> _prices;
QString _stockName;
QDate _startDate;
QDate _endDate;
StockDataCycle _dataCycle;
QNetworkAccessManager* _manager;
bool _updating;
};
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