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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 "qchartglobal.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 QBarCategory;
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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(QBarCategory *category, QObject *parent = 0);
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~BarChartModel();
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QBarCategory& category();
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void addBarSet(QBarSet *set);
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void removeBarSet(QBarSet *set);
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QBarSet* nextSet(bool getFirst);
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QBarSet *setAt(int index);
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QList<QString> legend();
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int countSets(); // Number of sets in model
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int countCategories(); // Number of categories
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int countTotalItems(); // Total items in all sets. Includes empty items.
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qreal max(); // Maximum value of all sets
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qreal min(); // Minimum value of all sets
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qreal valueAt(int set, int category);
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qreal percentageAt(int set, int category);
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qreal categorySum(int category);
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qreal maxCategorySum(); // returns maximum sum of sets in all categories.
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QString label(int category);
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signals:
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void modelUpdated();
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public slots:
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private:
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QList<QBarSet*> mDataModel;
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QBarCategory* mCategory; // Owned
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int mCurrentSet;
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};
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QTCOMMERCIALCHART_END_NAMESPACE
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#endif // BARCHARTMODEL_H
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