public AnalyticsView()
{
InitializeComponent();
returnGraph.DataContext = this;
Mediator.Instance.PortfolioChanged += (s, e) =>
{
HistoricalAnalyticSeries.Clear();
HistoricalPointSeries.Clear();
returnGraph.Children.Clear();
HistoricalAnalyticSeries = e.AnalyticList.ToList();
if (HistoricalAnalyticSeries.Count > 0)
{
DrawGraph();
}
};
}
private void DrawGraph()
{
double wxmin = -5;
double wxmax = 65; //Convert.ToDouble(HistoricalAnalyticSeries.Count());
double wymin = -30; //Convert.ToDouble(HistoricalAnalyticSeries.Min().CalculatedAnalytic) -5;
double wymax = 30; //Convert.ToDouble(HistoricalAnalyticSeries.Max().CalculatedAnalytic) + 5;
const double xstep = 5;
const double ystep = 10;
const double dmargin = 10;
double dxmin = dmargin;
double dxmax = returnGraph.Width - dmargin;
double dymin = dmargin;
double dymax = returnGraph.Height - dmargin;
// Prepare the transformation matrices.
PrepareTransformations(
wxmin, wxmax, wymin, wymax,
dxmin, dxmax, dymax, dymin);
// Get the tic mark lengths.
Point p0 = DtoW(new Point(0, 0));
Point p1 = DtoW(new Point(5, 5));
double xtic = p1.X - p0.X;
double ytic = p1.Y - p0.Y;
// Make the X axis.
GeometryGroup xaxis_geom = new GeometryGroup();
p0 = new Point(wxmin, 0);
p1 = new Point(wxmax, 0);
xaxis_geom.Children.Add(new LineGeometry(WtoD(p0), WtoD(p1)));
Path xaxis_path = new Path();
xaxis_path.StrokeThickness = 1;
xaxis_path.Stroke = Brushes.Black;
xaxis_path.Data = xaxis_geom;
returnGraph.Children.Add(xaxis_path);
// Make the Y axis.
GeometryGroup yaxis_geom = new GeometryGroup();
p0 = new Point(0, wymin);
p1 = new Point(0, wymax);
xaxis_geom.Children.Add(new LineGeometry(WtoD(p0), WtoD(p1)));
for (double y = -50; y <= wymax; y += ystep)
{
// Add the tic mark.
Point tic0 = WtoD(new Point(-xtic, y));
Point tic1 = WtoD(new Point(xtic, y));
xaxis_geom.Children.Add(new LineGeometry(tic0, tic1));
// Label the tic mark's Y coordinate.
DrawText(returnGraph, y.ToString(),
new Point(tic0.X - 10, tic0.Y), 12,
HorizontalAlignment.Center,
VerticalAlignment.Center);
}
Path yaxis_path = new Path();
yaxis_path.StrokeThickness = 1;
yaxis_path.Stroke = Brushes.Black;
yaxis_path.Data = yaxis_geom;
returnGraph.Children.Add(yaxis_path);
//Build Graph
for (int i = 0; i < HistoricalAnalyticSeries.Count(); i++)
{
Point p = new Point(i, Convert.ToDouble(HistoricalAnalyticSeries[i].CalculatedAnalytic));
HistoricalPointSeries.Add(WtoD(p));
}
Polyline polyline = new Polyline();
polyline.StrokeThickness = 1;
polyline.Stroke = Brushes.DarkOrange;
polyline.Points = HistoricalPointSeries;
returnGraph.Children.Add(polyline);
}
