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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;
+};
+
+
+
+