protected override void OnPoint_PositionChanged(object sender, PositionChangedEventArgs e)
{
DraggablePoint marker = (DraggablePoint)sender;
// adjusting position to fit inside allowed region
var region = AllowedRegion;
var position = e.Position;
if (position.X < region.XMin)
{
position.X = region.XMin;
}
if (position.Y < region.YMin)
{
position.Y = region.YMin;
}
if (position.X > region.XMax)
{
position.X = region.XMax;
}
if (position.Y > region.YMax)
{
position.Y = region.YMax;
}
marker.Position = position;
marker.DataContext = position;
var index = MarkerChartBase.GetIndex(marker);
if (0 <= index && index < Points.Count && !ProtectedPoints.Changing)
{
Points[index] = position;
}
}
protected virtual void OnPoint_PositionChanged(object sender, PositionChangedEventArgs e)
{
FrameworkElement marker = (FrameworkElement)sender;
var index = MarkerChartBase.GetIndex(marker);
marker.DataContext = e.Position;
if (0 <= index && index < points.Count && !points.Changing)
{
points[index] = e.Position;
}
}
private void element_MouseLeftButtonUp(object sender, MouseButtonEventArgs e)
{
FrameworkElement clickedElement = (FrameworkElement)sender;
int index = MarkerChartBase.GetIndex(clickedElement);
if (index >= 0)
{
Point point = selector.Points[index];
selector.Points.RemoveAt(index);
//plotter.UndoProvider.AddAction(new CollectionRemoveAction<Point>(selector.Points, point, index));
e.Handled = true;
}
}