protected override void OnRender(DrawingContext drawingContext)
{
var dc = drawingContext;
dc.DrawRectangle(Brushes.LightGreen, null, new Rect(RenderSize));
Plotter2D plotter = (Plotter2D)Plotter.GetPlotter(this);
if (plotter == null)
{
return;
}
if (data == null)
{
return;
}
if (renderer == null)
{
return;
}
CoordinateTransform transform = plotter.Transform.WithRects(new DataRect(0, 0, 1, 1), new Rect(RenderSize));
foreach (var dataItem in data)
{
renderer.DataContext = dataItem;
renderer.Render(dc, transform);
}
}
private static void OnLongOperationRunningChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
Plotter plotter = null;
IPlotterElement element = d as IPlotterElement;
if (element == null)
{
plotter = Plotter.GetPlotter(d);
}
else
{
plotter = element.Plotter;
}
if (plotter != null)
{
var indicator = plotter.Children.OfType <LongOperationsIndicator>().FirstOrDefault();
if (indicator != null)
{
indicator.OnLongOperationRunningChanged(element, (bool)e.NewValue);
}
}
}