//---------------------------------------------------------------------------------------------------------------------------------------
void OnRender_TimeAndDay(DrawingContext drawingContext, Pen pen)
{
int time_csi = -1;
bool isHourStart = false;
int date_csi = -1;
bool isMonthStart = false, isYearStart = false;
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
double topTimePanelY = RenderSize.Height - TimeAxisHeight;
double centerTimePanelY = RenderSize.Height - TimeAxisHeight / 2.0;
double smallMarkLineY = topTimePanelY + TimeAxisHeight / 8.0;
void DrawTimeTick()
{
//double timeTickRightMargin = CandleWidth/2.0 + (day_csi - VisibleCandlesRange.Start_i) * (CandleWidth + GapBetweenCandles);
string timeTickText = TimeTick.ConvertDateTimeToTimeTickText(isHourStart, CandlesSource[time_csi].t);
FormattedText timeTickFormattedText = new FormattedText(timeTickText, CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, new Typeface("Verdana"), TimeTickFontSize, Brushes.Black, VisualTreeHelper.GetDpi(this).PixelsPerDip);
double x = CandleWidth / 2.0 + (time_csi - VisibleCandlesRange.Start_i) * (CandleWidth + GapBetweenCandles);
drawingContext.DrawText(timeTickFormattedText, new Point(x + 2, topTimePanelY));
drawingContext.DrawLine(pen, new Point(x, topTimePanelY), new Point(x, isHourStart ? centerTimePanelY : smallMarkLineY));
if (IsGridlinesEnabled && GridlinesPen != null && isHourStart)
{
drawingContext.DrawLine(GridlinesPen, new Point(x, 0), new Point(x, topTimePanelY));
}
}
void DrawDateTick()
{
string dateTickText = TimeTick.ConvertDateTimeToDateTickText(isYearStart, isMonthStart, CandlesSource[date_csi].t);
FormattedText dateTickFormattedText = new FormattedText(dateTickText, CultureInfo.GetCultureInfo("en-us"), FlowDirection.LeftToRight, new Typeface("Verdana"), TimeTickFontSize, Brushes.Black, VisualTreeHelper.GetDpi(this).PixelsPerDip);
double x = CandleWidth / 2.0 + (date_csi - VisibleCandlesRange.Start_i) * (CandleWidth + GapBetweenCandles);
drawingContext.DrawText(dateTickFormattedText, new Point(x + 2, centerTimePanelY));
drawingContext.DrawLine(pen, new Point(x, centerTimePanelY), new Point(x, RenderSize.Height));
}
//~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int time_LabelWidthInCandles = Convert.ToInt32(Math.Ceiling(Time_TickWidth / (CandleWidth + GapBetweenCandles)));
int date_LabelWidthInCandles = Convert.ToInt32(Math.Ceiling(DayOrMonthOrYear_TickWidth / (CandleWidth + GapBetweenCandles)));
for (int i = VisibleCandlesRange.Start_i + VisibleCandlesRange.Count - 1; i >= VisibleCandlesRange.Start_i; i--)
{
ICandle cndl = CandlesSource[i];
ICandle prev_cndl = i > 0 ? CandlesSource[i - 1] : CandlesSource[0];
// Если cndl - это начало нового дня:
if (i > 0 && cndl.t.Date != prev_cndl.t.Date)
{
// Если cndl - это начало нового месяца:
if (cndl.t.Month != prev_cndl.t.Month)
{
if ((date_csi - i) >= date_LabelWidthInCandles)
{
DrawDateTick();
date_csi = i;
isMonthStart = true;
isYearStart = cndl.t.Year != prev_cndl.t.Year;
}
else if (date_csi == -1 || !isMonthStart || (!isYearStart && cndl.t.Year != prev_cndl.t.Year))
{
date_csi = i;
isMonthStart = true;
isYearStart = cndl.t.Year != prev_cndl.t.Year;
}
}
// Если cndl - это НЕ начало нового месяца:
else
{
if (date_csi == -1)
{
date_csi = i;
isMonthStart = isYearStart = false;
}
else if ((date_csi - i) >= date_LabelWidthInCandles)
{
DrawDateTick();
date_csi = i;
isMonthStart = isYearStart = false;
}
}
}
// Если cndl - это начало нового часа:
if (MyDateAndTime.IsTimeMultipleOf(cndl.t, 60) || (i > 0 && !MyDateAndTime.IsInSameHour(cndl.t, prev_cndl.t)))
{
if ((time_csi - i) >= time_LabelWidthInCandles)
{
DrawTimeTick();
time_csi = i;
isHourStart = true;
}
else if (time_csi == -1 || !isHourStart)
{
time_csi = i;
isHourStart = true;
}
}
// Если cndl внутри часа:
else if (MyDateAndTime.IsTimeMultipleOf(cndl.t, TimeTicksTimeFrame))
{
if (time_csi == -1)
{
time_csi = i;
isHourStart = false;
}
else if ((time_csi - i) >= time_LabelWidthInCandles)
{
DrawTimeTick();
time_csi = i;
isHourStart = false;
}
}
}
// И не забудем нарисовать последний таймтик из "кэша", если он там есть:
if (time_csi != -1)
{
DrawTimeTick();
}
if (date_csi != -1)
{
DrawDateTick();
}
}