private void MoveSelection()
{
Matrix matrixToAdornerLayer = this.pathPartAdorner.PathAdornerSet.GetTransformMatrixToAdornerLayer();
Point pointInAdornerLayer = this.GetSnappedPointInAdornerLayer();
PathTangentAdorner pathTangentAdorner = this.pathPartAdorner as PathTangentAdorner;
PathEditContext pathEditContext = new PathEditContext(this.pathPartAdorner.FigureIndex, this.pathPartAdorner.PartIndex);
if (pathTangentAdorner != null)
{
this.EnsureEditTransaction();
this.pathEditorTarget.BeginEditing();
if (!this.HasMouseMovedAfterDown)
{
this.startRootPoint = PathFigureUtilities.GetPoint(this.pathEditorTarget.PathGeometry.Figures[pathEditContext.FigureIndex], pathEditContext.PartIndex, false);
this.correspondingPoint = PathFigureUtilities.GetPoint(this.pathEditorTarget.PathGeometry.Figures[pathEditContext.FigureIndex], pathEditContext.PartIndex, true);
}
Point point = this.IsShiftDown ? this.correspondingPoint : this.startRootPoint;
Vector correspondingVector = ElementUtilities.GetCorrespondingVector(pointInAdornerLayer - point * matrixToAdornerLayer, matrixToAdornerLayer, this.IsShiftDown ? this.axisConstraint : (AxisConstraint)null);
new PathFigureEditor(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry)).MoveTangent(pathEditContext.PartIndex, point + correspondingVector, this.isEnforcingSmoothness);
this.ActiveView.AdornerLayer.InvalidateAdornerVisuals(this.EditingElement);
}
else
{
this.EnsureEditTransaction();
PathPointAdorner pathPointAdorner = this.pathPartAdorner as PathPointAdorner;
PathSegmentAdorner pathSegmentAdorner = this.pathPartAdorner as PathSegmentAdorner;
this.pathPartAdorner.PathAdornerSet.PathEditorTarget.BeginEditing();
if (!this.HasMouseMovedAfterDown)
{
Point point;
if (pathPointAdorner != null)
{
point = PathFigureUtilities.GetPoint(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry), pathEditContext.PartIndex);
}
else
{
PathFigureEditor pathFigureEditor = new PathFigureEditor(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry));
int segmentIndex;
int segmentPointIndex;
PathFigureUtilities.GetSegmentFromPointIndex(pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry), pathEditContext.PartIndex, out segmentIndex, out segmentPointIndex);
point = pathFigureEditor.Evaluate(segmentIndex, segmentPointIndex, this.pathSegmentParameter) * pathSegmentAdorner.PathGeometryTransformMatrix;
}
this.startRootPoint = point;
this.previousRootPoint = this.startRootPoint;
}
Vector correspondingVector = ElementUtilities.GetCorrespondingVector(pointInAdornerLayer - this.startRootPoint * matrixToAdornerLayer, matrixToAdornerLayer, this.IsShiftDown ? this.axisConstraint : (AxisConstraint)null);
double zoom = this.ActiveView.Artboard.Zoom;
Vector rootToArtboardScale = this.ActiveView.Artboard.ViewRootToArtboardScale;
correspondingVector.X /= zoom * rootToArtboardScale.X;
correspondingVector.Y /= zoom * rootToArtboardScale.Y;
Vector vector = this.startRootPoint - this.previousRootPoint + correspondingVector;
this.previousRootPoint = this.startRootPoint + correspondingVector;
Vector deltaOffset = matrixToAdornerLayer.Transform(vector);
PathPartSelectionSet partSelectionSet = this.ActiveSceneViewModel.PathPartSelectionSet;
if (partSelectionSet == null)
{
return;
}
foreach (BaseFrameworkElement sceneElement in (IEnumerable <SceneElement>)partSelectionSet.SelectedPaths)
{
this.MovePathParts(partSelectionSet, sceneElement, PathEditMode.ScenePath, deltaOffset);
this.MovePathParts(partSelectionSet, sceneElement, PathEditMode.MotionPath, deltaOffset);
this.MovePathParts(partSelectionSet, sceneElement, PathEditMode.ClippingPath, deltaOffset);
}
}
}
