protected override void OnCreateLabels()
{
base.OnCreateLabels();
if (VisibleLabels != null)
{
VisibleLabels.Clear();
//Considered that we need 5 labels. so divided by 5.
var interval = (VisibleMaximum - VisibleMinimum) / 5;
var start = VisibleMinimum;
while (start <= VisibleMaximum)
{
VisibleLabels.Add(new ChartAxisLabel(start, start.ToString()));//Set label format if needed.
start += interval;
}
}
}
protected override void GenerateVisibleLabels()
{
ChartSeriesBase actualSeries =
Area.VisibleSeries
.Where(series => series.ActualXAxis == this)
.Max(filteredSeries => filteredSeries.DataCount);
actualSeries = actualSeries != null ? actualSeries : Area is SfChart ? (Area as SfChart).TechnicalIndicators.Where(series => series.ActualXAxis == this)
.Max(filteredSeries => filteredSeries.DataCount) : null;
SetRangeForAxisStyle();
if (actualSeries != null)
{
var XValuesCount = actualSeries.ActualXValues as List <double>;
if (XValuesCount != null && XValuesCount.Count > 0)
{
double interval = Interval != 0 ? Interval : ActualInterval;
double position = VisibleRange.Start - (VisibleRange.Start % ActualInterval);
var xValues = actualSeries.ActualXValues as List <double>;
var xStartValue = xValues[0].FromOADate();
double distinctDate = 0d;
int year = xStartValue.Year,
month = xStartValue.Month,
hour = xStartValue.Hour,
mins = xStartValue.Minute,
secs = xStartValue.Second,
millisecs = xStartValue.Millisecond;
DateTime date = xStartValue.Date;
switch (ActualIntervalType)
{
case DateTimeIntervalType.Months:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Year > year)
{
year = xValue.Year;
month = xValue.Month;
}
if (xValue.Year == year)
{
if (xValue.Month > month)
{
month = xValue.Month;
}
if (xValue.Month == month)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
month = xValue.AddMonths((int)interval).Month;
year = xValue.AddMonths((int)interval).Year;
}
}
}
}
break;
case DateTimeIntervalType.Years:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Year > year)
{
year = xValue.Year;
}
if (xValue.Year == year)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
year = xValue.AddYears((int)interval).Year;
}
}
}
break;
case DateTimeIntervalType.Days:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Date > date)
{
date = xValue.Date;
}
if (xValue.Date == date)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
date = xValue.AddDays((int)interval).Date;
}
}
}
break;
case DateTimeIntervalType.Hours:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Date > date)
{
date = xValue.Date;
hour = xValue.Hour;
}
if (xValue.Date == date)
{
if (xValue.Hour > hour)
{
hour = xValue.Hour;
}
if (xValue.Hour == hour)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
hour = xValue.AddHours((int)interval).Hour;
date = xValue.AddHours((int)interval).Date;
}
}
}
}
break;
case DateTimeIntervalType.Minutes:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Date > date)
{
date = xValue.Date;
hour = xValue.Hour;
}
if (xValue.Date == date)
{
if (xValue.Hour > hour)
{
hour = xValue.Hour;
mins = xValue.Minute;
}
if (xValue.Hour == hour)
{
if (xValue.Minute > mins)
{
mins = xValue.Minute;
}
if (xValue.Minute == mins)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
hour = xValue.AddMinutes((int)interval).Hour;
mins = xValue.AddMinutes((int)interval).Minute;
date = xValue.AddMinutes((int)interval).Date;
}
}
}
}
}
break;
case DateTimeIntervalType.Seconds:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Date > date)
{
date = xValue.Date;
hour = xValue.Hour;
}
if (xValue.Date == date)
{
if (xValue.Hour > hour)
{
hour = xValue.Hour;
mins = xValue.Minute;
}
if (xValue.Hour == hour)
{
if (xValue.Minute > mins)
{
mins = xValue.Minute;
secs = xValue.Second;
}
if (xValue.Minute == mins)
{
if (xValue.Second > secs)
{
secs = xValue.Second;
}
if (xValue.Second == secs)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
hour = xValue.AddSeconds((int)interval).Hour;
mins = xValue.AddSeconds((int)interval).Minute;
date = xValue.AddSeconds((int)interval).Date;
secs = xValue.AddSeconds((int)interval).Second;
}
}
}
}
}
}
break;
case DateTimeIntervalType.Milliseconds:
for (; position <= VisibleRange.End; position++)
{
int pos = ((int)Math.Round(position));
if (VisibleRange.Inside(position) && pos > -1 && pos < xValues.Count)
{
var xValue = xValues[pos].FromOADate();
if (xValue.Date > date)
{
date = xValue.Date;
hour = xValue.Hour;
}
if (xValue.Date == date)
{
if (xValue.Hour > hour)
{
hour = xValue.Hour;
mins = xValue.Minute;
}
if (xValue.Hour == hour)
{
if (xValue.Minute > mins)
{
mins = xValue.Minute;
secs = xValue.Second;
}
if (xValue.Minute == mins)
{
if (xValue.Second > secs)
{
secs = xValue.Second;
millisecs = xValue.Millisecond;
}
if (xValue.Second == secs)
{
if (xValue.Millisecond > millisecs)
{
millisecs = xValue.Millisecond;
}
if (xValue.Millisecond == millisecs)
{
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
hour = xValue.AddMilliseconds((int)interval).Hour;
mins = xValue.AddMilliseconds((int)interval).Minute;
date = xValue.AddMilliseconds((int)interval).Date;
secs = xValue.AddMilliseconds((int)interval).Second;
millisecs = xValue.AddMilliseconds((int)interval).Millisecond;
}
}
}
}
}
}
}
break;
case DateTimeIntervalType.Auto:
for (; position <= VisibleRange.End; position += interval)
{
if (VisibleRange.Inside(position) && position < actualSeries.DataCount && position > -1)
{
int pos = ((int)Math.Round(position));
var xValue = xValues[pos].FromOADate();
object obj = GetLabelContent(pos, actualSeries);
var dateTimeAxisLabel = new DateTimeAxisLabel(pos, obj, xValues[pos]);
dateTimeAxisLabel.IntervalType = ActualIntervalType;
dateTimeAxisLabel.IsTransition = DateTimeAxisHelper.GetTransitionState(ref distinctDate, xValue, ActualIntervalType);
VisibleLabels.Add(dateTimeAxisLabel);
}
}
break;
}
}
}
}
private void GenerateDefaultLabel()
{
VisibleLabels.Clear();
SmallTickPoints.Clear();
NumericalAxisHelper.GenerateVisibleLabels(this, Minimum, Maximum, Interval, SmallTicksPerInterval);
}
