public TimeSeriesDataPoint Clone()
{
TimeSeriesDataPoint newPoint = new TimeSeriesDataPoint();
newPoint.Value = this.Value;
newPoint.TimeStamp = this.TimeStamp;
newPoint.hasStepFromValue = this.hasStepFromValue;
newPoint.stepFromValue = this.stepFromValue;
newPoint.hasStepToValue = this.hasStepToValue;
newPoint.stepToValue = this.stepToValue;
return newPoint;
}
public UIElement GetSeriesDataLabel(TimeSeriesDataPoint dataPoint)
{
StackPanel root = new StackPanel();
root.Orientation = Orientation.Horizontal;
root.Margin = new Thickness(2, 0, 2, 0);
Ellipse legend = new Ellipse();
legend.Width = legend.Height = 12;
legend.Fill = new SolidColorBrush(this.StrokeColor);
TextBlock block = new TextBlock();
block.Text = this.Name + ": " + dataPoint.Value.ToString("#0.00");
block.Margin = new Thickness(2, 0, 0, 0);
root.Children.Add(legend);
root.Children.Add(block);
return root;
}
public void AddPointsRange(TimeSeriesDataPoint[] points)
{
foreach (TimeSeriesDataPoint dp in points)
{
dataPoints.Add(dp.TimeStamp, dp);
}
if (PlotSizeChanged != null)
{
if (!manualRaiseResizeEvent)
PlotSizeChanged();
}
}
public void AddPoint(TimeSeriesDataPoint point)
{
// assuming the new point is always newer data point
if (dataPoints.Count > 0)
{
if (point.TimeStamp <= dataPoints.Keys[dataPoints.Count - 1])
{
//TODO: log some message here
return;
}
}
lock (syncLock)
{
//assuming point is newer data
if (isCustomTimeRange)
{
DateTime maxTime = this.CustomEndTime;
if (point.TimeStamp > maxTime)
{
TimeSpan span = point.TimeStamp - maxTime;
customTimeOrigin = customTimeOrigin.AddSeconds(span.TotalSeconds);
customMinX = 0;
customMaxX = GetPointSeconds(point.TimeStamp);
List<DateTime> obsoleteDates = new List<DateTime>();
foreach (DateTime tempTime in dataPoints.Keys)
{
if (tempTime < customTimeOrigin)
{
obsoleteDates.Add(tempTime);
}
else
break;
}
foreach (DateTime temptime in obsoleteDates)
{
dataPoints.Remove(temptime);
}
}
}
else
{
// remove the oldest data point
if (alwaysRemoveOldPointWhenAdd)
{
if (dataPoints.Count > 0)
dataPoints.RemoveAt(0);
}
}
dataPoints.Add(point.TimeStamp, point);
}
// Raise the plotsize changed event
if (PlotSizeChanged != null)
{
if (!manualRaiseResizeEvent)
PlotSizeChanged();
}
}
private void ShowCurrentCoValue(List<ColoredPoint> dataPoints, TimeSeriesDataPoint dp)
{
if (adorner == null)
return;
SeriesLabel.Children.Clear();
if (adorner.Visibility == Visibility.Visible)
{
foreach (ColoredPoint cpt in dataPoints)
{
SeriesLabel.Children.Add(TimeSeriesData.GetColoredDataLabel(cpt));
}
TickerLabel.Text = dp.TimeStamp.ToLongTimeString();
}
}
private void InitPlotData()
{
foreach (TimeSeriesData series in dataSeries)
series.GeneratePaths();
Rect plotRect= new Rect();
bool isFirstSeries = true;
DateTime customStartTime = DateTime.MaxValue;
DateTime customEndTime = DateTime.MinValue;
foreach (TimeSeriesData series in dataSeries)
{
Rect rect = series.GetPlotRectangle(0.0);
if (isFirstSeries)
{
plotRect = rect;
isFirstSeries = false;
}
else
{
if (plotRect.X > rect.X)
plotRect.X = rect.X;
if (plotRect.Y > rect.Y)
plotRect.Y = rect.Y;
if (plotRect.Width < rect.Width)
plotRect.Width = rect.Width;
if (plotRect.Height < rect.Height)
plotRect.Height = rect.Height;
}
DateTime origin = series.FromPointSeconds(0);
if (customStartTime > origin)
customStartTime = origin;
}
if (dataSeries.Count > 0)
{
customEndTime = customStartTime.AddSeconds(plotRect.Width);
TimeSeriesDataPoint lowerBound = new TimeSeriesDataPoint(customStartTime, plotRect.Y);
TimeSeriesDataPoint upperBound = new TimeSeriesDataPoint(customEndTime, plotRect.Y + plotRect.Height);
plotSeries.AddPoint(lowerBound);
plotSeries.AddPoint(upperBound);
plotSeries.SetPlotRectangle(plotRect);
//plotSeries.CustomStartTime = customStartTime;
//plotSeries.CustomEndTime = customEndTime;
}
}
private TimeSeriesDataPoint GetInterpolatedDataPointFromMouseCoordinates(TimeSeriesData Series, Point mousePos)
{
TimeSeriesDataPoint dataPoint = new TimeSeriesDataPoint();
dataPoint.TimeStamp = DateTime.Now;
dataPoint.Value = double.NaN;
Point pos = mousePos;
pos.Y = ChartInteractiveCanvas.ActualHeight - pos.Y;
GeneralTransform inverse = shapeTransform.Inverse;
if (inverse != null)
{
pos = inverse.Transform(pos);
DateTime xVal = Series.FromPointSeconds(pos.X);
double yVal = Series.GetClosedInterpolatedValue(xVal);
dataPoint.TimeStamp = xVal;
dataPoint.Value = yVal;
}
return dataPoint;
}
