public void EmphasizeCurves(Point point)
{
if (lastEmphasizedPrimitiveCurve != null)
{
NewPrimitiveCurvesControl.SetIsEmphasized(lastEmphasizedPrimitiveCurve, false);
}
var curve = FindNearbyCurve(point);
if (curve != null)
{
NewPrimitiveCurvesControl.SetIsEmphasized(curve, true);
lastEmphasizedPrimitiveCurve = curve;
}
}
private FrameworkElement FindNearbyCurve(Point point)
{
var vec = new Vector(5, 5);
var geometry = new RectangleGeometry(new Rect(point - vec, point + vec));
var htParams = new GeometryHitTestParameters(geometry);
var curve = (FrameworkElement)primitiveCurvesRoot.HitTestFirst(
htParams,
dp =>
{
var fwElement = dp as FrameworkElement;
return(fwElement != null && NewPrimitiveCurvesControl.GetPrimitiveCurve(fwElement) != null);
});
return(curve);
}
protected override void MouseUpCore(MousePosInfo3D position, Vector vec2d, Vector3D?vec3d)
{
EmphasizeCurves(position.Pos2D);
if (lastEmphasizedSketchCurve != null)
{
lastEmphasizedSketchCurve.IsEmphasized = false;
}
if (lastEmphasizedPrimitiveCurve != null)
{
var primCurveData = NewPrimitiveCurvesControl.GetPrimitiveCurve(lastEmphasizedPrimitiveCurve);
primCurveData.IsUserAssignment = true;
primCurveData.AssignedTo = lastEmphasizedSketchCurve;
var npcControl = lastEmphasizedPrimitiveCurve.VisualPathUp().OfType <NewPrimitiveCurvesControl>().First();
eventAggregator.GetEvent <PrimitiveCurvesChangedEvent>().Publish(npcControl.Primitive);
}
lastEmphasizedSketchCurve = null;
}