private void AddThumb(Point p)
{
var pd = new PointDragThumb(_view, AdornedElement as FrameworkElement);
pd.DragDelta += PointDragDelta;
pd.PreviewMouseLeftButtonUp += OnPreviewMouseLeftButtonUp;
visualChildren.Add(pd);
_poly.UpdateLayout();
}
public override void Activate()
{
_poly = AdornedElement as Polyline;
if (_poly == null)
{
throw new ArgumentException();
}
foreach (var p in _poly.Points)
{
var pd = new PointDragThumb(_view, AdornedElement as FrameworkElement);
pd.DragStarted += PointDragStarted;
pd.DragDelta += PointDragDelta;
pd.PreviewMouseLeftButtonUp += OnPreviewMouseLeftButtonUp;
visualChildren.Add(pd);
}
for (int i = 0; i < _poly.Points.Count; i++)
{
var m = _poly.GeometryTransform.Value;
var p = m.Transform(_poly.Points[i]);
p = _poly.TranslatePoint(p, _view.MainPanel);
_poly.Points[i] = p;
}
_poly.Stretch = Stretch.None;
EditorHelper.SetDependencyProperty(_poly, Canvas.LeftProperty, DependencyProperty.UnsetValue);
EditorHelper.SetDependencyProperty(_poly, Canvas.TopProperty, DependencyProperty.UnsetValue);
EditorHelper.SetDependencyProperty(_poly, FrameworkElement.WidthProperty, DependencyProperty.UnsetValue);
EditorHelper.SetDependencyProperty(_poly, FrameworkElement.HeightProperty, DependencyProperty.UnsetValue);
_poly.RenderTransform = null;
AdornerLayer.GetAdornerLayer(AdornedElement).PreviewMouseLeftButtonDown += new System.Windows.Input.MouseButtonEventHandler(PolylineEditManipulantor_PreviewMouseLeftButtonDown);
_poly.UpdateLayout();
base.Activate();
}
