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Diffstat (limited to 'examples/qml/canvas/stockchart/model.h')
| -rw-r--r-- | examples/qml/canvas/stockchart/model.h | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/examples/qml/canvas/stockchart/model.h b/examples/qml/canvas/stockchart/model.h new file mode 100644 index 0000000000..95e6f4891c --- /dev/null +++ b/examples/qml/canvas/stockchart/model.h @@ -0,0 +1,166 @@ +/**************************************************************************** +** +** 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; +}; + + + + |