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/****************************************************************************
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**
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** Copyright (C) 2012 Digia Plc
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** All rights reserved.
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** For any questions to Digia, please use contact form at http://qt.digia.com
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**
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** This file is part of the Qt Commercial Charts Add-on.
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**
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** $QT_BEGIN_LICENSE$
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** Licensees holding valid Qt Commercial licenses may use this file in
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** accordance with the Qt Commercial License Agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and Digia.
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**
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** If you have questions regarding the use of this file, please use
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** contact form at http://qt.digia.com
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef CHARTS_H
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#define CHARTS_H
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#include "model.h"
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#include <QList>
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#include <QString>
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#include <qchartglobal.h>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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class QChart;
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QTCOMMERCIALCHART_END_NAMESPACE
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QTCOMMERCIALCHART_USE_NAMESPACE
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class Chart
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{
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public:
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virtual ~Chart() {};
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virtual QChart *createChart(const DataTable &table) = 0;
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virtual QString name() = 0;
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virtual QString category() = 0;
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virtual QString subCategory() = 0;
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};
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namespace Charts
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{
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typedef QList<Chart *> ChartList;
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inline ChartList &chartList()
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{
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static ChartList list;
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return list;
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}
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inline bool findChart(Chart *chart)
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{
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ChartList &list = chartList();
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if (list.contains(chart))
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return true;
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foreach (Chart *item, list) {
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if (item->name() == chart->name() && item->category() == chart->category() && item->subCategory() == chart->subCategory())
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return true;
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}
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return false;
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}
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inline void addChart(Chart *chart)
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{
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ChartList &list = chartList();
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if (!findChart(chart))
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list.append(chart);
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}
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}
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template <class T>
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class ChartWrapper
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{
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public:
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QSharedPointer<T> chart;
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ChartWrapper() : chart(new T) { Charts::addChart(chart.data()); }
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};
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#define DECLARE_CHART(chartType) static ChartWrapper<chartType> chartType;
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#define DECLARE_CHART_TEMPLATE(chartType,chartName) static ChartWrapper<chartType> chartName;
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#endif
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