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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 BARCHARTMODEL_H
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#define BARCHARTMODEL_H
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#include <QObject>
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#include <QStringList>
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#include "qchartglobal.h"
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#include <qseries.h>
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QTCOMMERCIALCHART_BEGIN_NAMESPACE
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// Model for bar chart. Internal class.
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// TODO: Implement as QAbstractItemModel?
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class QBarSet;
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class BarChartModel : public QObject //, public QAbstractItemModel
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{
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Q_OBJECT
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public:
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explicit BarChartModel(QStringList categories, QObject *parent = 0);
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QStringList category();
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void appendBarSet(QBarSet *set);
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void removeBarSet(QBarSet *set);
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void insertBarSet(int i, QBarSet *set);
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void insertCategory(int i, QString category);
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void removeCategory(int i);
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QBarSet *barsetAt(int index) const;
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QList<QBarSet *> barSets() const;
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int barsetCount() const; // Number of sets in model
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int categoryCount() const; // Number of categories
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qreal max() const; // Maximum value of all sets
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qreal min() const; // Minimum value of all sets
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qreal valueAt(int set, int category) const;
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qreal percentageAt(int set, int category) const;
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qreal categorySum(int category) const;
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qreal absoluteCategorySum(int category) const;
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qreal maxCategorySum() const; // returns maximum sum of sets in all categories.
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QString categoryName(int category);
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Q_SIGNALS:
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void modelUpdated();
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public Q_SLOTS:
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private:
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QList<QBarSet *> m_dataModel;
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QStringList m_category;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // BARCHARTMODEL_H
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