/// <summary>
/// AddChartPoint adds the current Point to the
/// Collection in a thread-safe manner.
/// </summary>
/// <param name="points">The current Point Array to add</param>
/// <param name="zMax">The Maximum current of the plot</param>
private void AddPointsToChart(Point[] points, Double zMax)
{
//If the Series hasn't been created yet, create it
Syncfusion.Windows.Chart.ChartSeries series = null;
if (this._view._chartArea.Series.Count == 0)
{
//Create the Series and set some properties
series = new Syncfusion.Windows.Chart.ChartSeries();
series.BindingPathsY = new String[] { "Y" };
series.BindingPathX = "X";
series.IsIndexed = false;
series.Template = this._view.Resources["seriesPresenter"] as System.Windows.DataTemplate;
series.Type = Syncfusion.Windows.Chart.ChartTypes.FastLine;
series.MouseMove += new Syncfusion.Windows.Chart.ChartMouseEventHandler(series_MouseMove);
series.SetBinding(Syncfusion.Windows.Chart.ChartSeries.DataSourceProperty, "ChartPoints");
}
//If the Point Array has more than one Point in it, then
//this is a File being read, so create a new ObservableCollection
//from a List. If not, then just add the point and update
//the subscribers.
if (points.GetLength(0) > 1)
{
//Create a new List to hold the points
List <ChartPoint> tempList = new List <ChartPoint>();
//Iterate through the Points and put them in the List
foreach (Point p in points)
{
tempList.Add(new ChartPoint(p, zMax));
}
//Set the DataSource
series.DataSource = new ObservableCollection <ChartPoint>(tempList);
}
else
{
//Set the point and fire the event
this._chartPoints.Add(new ChartPoint(points[0], zMax));
this.FirePropertyChanged("ChartPoints");
}
//Add the Series if it was created
if (series != null)
{
this._view._chartArea.Series.Add(series);
}
}
/// <summary>
/// series_MouseMove is called when the user has
/// put the Mouse over the Series in the Chart.
/// </summary>
/// <param name="sender">The Series on which the Mouse has moved</param>
/// <param name="e">The EventArgs sent by the System</param>
void series_MouseMove(Object sender, Syncfusion.Windows.Chart.ChartMouseEventArgs e)
{
//Cast the sender to a ChartSeries
Syncfusion.Windows.Chart.ChartSeries series = sender as Syncfusion.Windows.Chart.ChartSeries;
//Get the HitTestResult using the Windows
//VisualTreeHelper
HitTestResult htr = VisualTreeHelper.HitTest(this._view, e.MouseEventArgs.GetPosition(this._view));
//If the hit test was successful, set the Member
//Variable and fire the event
if (htr != null && htr.VisualHit is ChartPoint)
{
//Cast the VisualHit to a ChartPoint
ChartPoint cp = htr.VisualHit as ChartPoint;
//Set the Member Variable
this._currPoint = new Point(cp.X, cp.Y, cp.Z);
//Fire the event
this._eventAggregator.GetEvent <SpectrumChangedEvent>().Publish(this.GetActiveSpectrumInfo());
}
}
