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#ifndef TIME_CHART_PAGE_H
#define TIME_CHART_PAGE_H
#include <QtWidgets>
#include "BaseStatPage.h"
#include "../charts/DataPoint.h"
class TimeChart;
class StatisticsParams;
class CardPack;
class TimeChartPage: public BaseStatPage
{
Q_OBJECT
public:
TimeChartPage(const StatisticsParams* statParams);
void updateDataSet();
bool usesTimePeriod() const {return true;}
protected:
virtual QList<QDateTime> getDates(const CardPack* pack) const = 0;
virtual int getDataDirection() const = 0;
QWidget* createChart();
private:
int getStudyPeriodLength(const QList<QDateTime>& dates) const;
int getReviewsNum(const QList<QDateTime>& dates, int period) const;
private:
TimeChart* chart;
};
#endif
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