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#ifndef TIME_CHART_H
#define TIME_CHART_H
#include <QtCore>
#include "Chart.h"
class TimeChart: public Chart
{
enum TimeUnit
{
Day = 0,
Week,
Month,
Quarter,
HalfYear,
TimeUnitsNum
};
public:
TimeChart();
void setDates(const QList<QDateTime>& dates, int period,
int dataDirection = 1);
private:
static TimeUnit findTimeUnit(int period);
static QDate getIntervalStart(const QDate& date, TimeUnit timeUnit);
static QDate getInterval(const QDate& start, TimeUnit timeUnit,
int num);
static QDate getIntervalEnd(const QDate& start, TimeUnit timeUnit);
static QString getDateLabel(const QDate& date, TimeUnit timeUnit);
static QString getIntervalFormat(TimeUnit timeUnit);
static QString getIntervalLabel(const QDate& startDate,
const QDate& endDate, TimeUnit timeUnit);
static QDate getQuarterStart(const QDate& date);
static QDate getHalfYearStart(const QDate& date);
static int getDataPointsNum(int period, TimeUnit timeUnit);
static int getTicksInterval(int pointsNum);
private:
DataPoint createDataPoint(const QDate& thisIntervalStart, TimeUnit timeUnit,
int intervalIndex);
int getCardsNumForDate(const QDate& startDate, const QDate& endDate);
private:
static const QList<int> TimeUnits;
static const int MaxDataPoints = 28;
static const int MaxXTicks = 12;
private:
QList<QDateTime> dates;
};
#endif
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