//--------------------------------------------------------------------------------------------------
void ProcessMouseInput(MouseEventData data)
{
SelectedSegment = null;
SelectedPointIndex = -1;
SelectedElementType = Sketch.ElementType.None;
var element = _SketchEditorTool.Elements.FindOwner(data.DetectedAisInteractives.FirstOrDefault());
if (element == null)
{
return;
}
if (element is SketchEditorSegmentElement segmentElement)
{
//
// Segment
//
var segment = segmentElement.Segment;
if (!SketchUtils.CanSplitSegment(_SketchEditorTool.Sketch, segment))
{
return;
}
var curve = segment.CachedCurve ?? segment.MakeCurve(_SketchEditorTool.Sketch.Points);
if (curve == null)
{
return;
}
// Get new point from parameters
double u = 0, v = 0;
ElSLib.Parameters(_SketchEditorTool.Sketch.Plane, data.PointOnPlane, ref u, ref v);
var sketchPoint = new Pnt2d(u, v);
var pointOnCurve = new Geom2dAPI_ProjectPointOnCurve(sketchPoint, curve);
if (pointOnCurve.NbPoints() < 1)
{
return;
}
SelectedParameter = pointOnCurve.LowerDistanceParameter();
SelectedSegment = segment;
_SelectedPoint = _SketchEditorTool.Sketch.Plane.Value(curve.Value(SelectedParameter));
SelectedElementType = Sketch.ElementType.Segment;
}
else if (element is SketchEditorPointElement pointElement)
{
//
// Point
//
var pointIndex = pointElement.PointIndex;
if (!SketchUtils.CanSplitPoint(_SketchEditorTool.Sketch, pointIndex))
{
return;
}
SelectedPointIndex = pointIndex;
_SelectedPoint = _SketchEditorTool.Sketch.Plane.Value(_SketchEditorTool.Sketch.Points[pointIndex]);
SelectedElementType = Sketch.ElementType.Point;
}
}