///<summary>
/// Ensure this lineStudy is visible
///</summary>
///<param name="position"></param>
public override void EnsureVisible(EnsureVisibilityPosition position)
{
int startPos = _chartX.FirstVisibleRecord;
int endPos = _chartX.LastVisibleRecord;
int windowSize = _chartX.LastVisibleRecord - _chartX.FirstVisibleRecord - 1;
int bestStartPos = startPos;
double bestFit = double.MaxValue;
double lineValue = _chartPanel.GetReverseY(_line.Y2);
double min, max;
List <int> seriesIdxs = new List <int>();
seriesIdxs.AddRange(_chartPanel.SeriesCollection.Select(_ => _.SeriesIndex));
//try left
while (startPos >= 0)
{
_chartX._dataManager.MinMaxFromInterval(seriesIdxs, startPos, endPos, out min, out max);
double m = (max + min) / 2;
double diff = Math.Abs(m - lineValue);
if (diff < bestFit)
{
bestFit = diff;
bestStartPos = startPos;
}
startPos--;
endPos--;
}
//go right
startPos = _chartX.FirstVisibleRecord;
endPos = _chartX.LastVisibleRecord;
while (endPos < _chartX.RecordCount)
{
_chartX._dataManager.MinMaxFromInterval(seriesIdxs, startPos, endPos, out min, out max);
double m = (max + min) / 2;
double diff = Math.Abs(m - lineValue);
if (diff < bestFit)
{
bestFit = diff;
bestStartPos = startPos;
}
startPos++;
endPos++;
}
if (bestFit == double.MaxValue) //means no records
{
return;
}
_chartX._startIndex = bestStartPos;
_chartX._endIndex = bestStartPos + windowSize;
_chartX.ResetYScale(_chartPanel.Index);
_chartX.Update();
}
///<summary>
/// Ensures the LineStudy is visible
///</summary>
///<param name="position"></param>
public virtual void EnsureVisible(EnsureVisibilityPosition position)
{
}
