1 files changed, 54 insertions, 0 deletions
diff --git a/src/charts/TimeChart.h b/src/charts/TimeChart.h
new file mode 100644
index 0000000..1d9f92d
--- /dev/null
+++ b/src/charts/TimeChart.h
@@ -0,0 +1,54 @@
+#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