##// END OF EJS Templates
signals and slots for bars and sets
signals and slots for bars and sets

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barchartmodel_p.h
58 lines | 1.3 KiB | text/x-c | CLexer
#ifndef BARCHARTMODEL_H
#define BARCHARTMODEL_H
#include <QObject>
#include "qchartglobal.h"
QTCOMMERCIALCHART_BEGIN_NAMESPACE
// Model for bar chart. Internal class.
// TODO: Implement as QAbstractItemModel?
class QBarSet;
class QBarCategory;
class BarChartModel : public QObject //, public QAbstractItemModel
{
Q_OBJECT
public:
explicit BarChartModel(QBarCategory *category, QObject *parent = 0);
~BarChartModel();
QBarCategory& category();
void addBarSet(QBarSet *set);
void removeBarSet(QBarSet *set);
QBarSet* nextSet(bool getFirst);
QBarSet& setAt(int index); // Internal
int countSets(); // Number of sets in model
int countCategories(); // Number of categories
int countTotalItems(); // Total items in all sets. Includes empty items.
qreal max(); // Maximum value of all sets
qreal min(); // Minimum value of all sets
qreal valueAt(int set, int category);
qreal categorySum(int column);
qreal maxCategorySum(); // returns maximum sum of sets in all categories.
QString label(int category);
signals:
void modelUpdated();
public slots:
private:
QList<QBarSet*> mDataModel;
QBarCategory* mCategory; // Owned
int mCurrentSet;
};
QTCOMMERCIALCHART_END_NAMESPACE
#endif // BARCHARTMODEL_H