protected override void OnBegin(PathEditContext pathEditContext, MouseDevice mouseDevice)
{
BaseFrameworkElement frameworkElement = this.oldPathEditorTarget.EditingElement.GetCommonAncestor((SceneNode)this.EditingElement) as BaseFrameworkElement;
Base2DElement editingElement = this.oldPathEditorTarget.EditingElement;
Base2DElement base2Delement = (Base2DElement)this.EditingElement;
if (frameworkElement != base2Delement && !base2Delement.GetComputedTransformToElement((SceneElement)frameworkElement).HasInverse)
{
this.End();
}
else
{
int figureIndex1 = pathEditContext.FigureIndex;
int num1 = PathFigureUtilities.PointCount(this.oldPathEditContext.GetPathFigure(this.oldPathEditorTarget.PathGeometry));
if (editingElement != base2Delement)
{
this.PathEditorTarget.EndEditing(false);
figureIndex1 += this.oldPathEditorTarget.PathGeometry.Figures.Count;
List <PathElement> otherElements = new List <PathElement>();
PathElement mainElement = (PathElement)editingElement;
PathElement pathElement = (PathElement)base2Delement;
otherElements.Add(pathElement);
PathCommandHelper.MakeCompoundPath(mainElement, otherElements, this.EditTransaction);
this.UpdateEditTransaction();
this.PathEditorTarget = this.oldPathEditorTarget;
}
this.PathEditorTarget.BeginEditing();
PathGeometryEditor geometryEditor = this.PathEditorTarget.CreateGeometryEditor();
if (pathEditContext.PartIndex != 0)
{
geometryEditor.CreatePathFigureEditor(figureIndex1).Reverse();
}
geometryEditor.JoinFigure(this.oldPathEditContext.FigureIndex, figureIndex1);
int figureIndex2 = this.oldPathEditContext.FigureIndex;
if (pathEditContext.FigureIndex < this.oldPathEditContext.FigureIndex && editingElement == base2Delement)
{
--figureIndex2;
}
this.UpdateEditTransaction();
this.View.UpdateLayout();
PathFigureEditor pathFigureEditor = geometryEditor.CreatePathFigureEditor(figureIndex2);
int downstreamSegment1 = pathFigureEditor.GetLastIndexOfDownstreamSegment(num1 - 1);
if (pathFigureEditor.GetPointKind(downstreamSegment1) == PathPointKind.Cubic)
{
Vector lastTangent = this.oldPathEditorTarget.LastTangent;
pathFigureEditor.SetPoint(downstreamSegment1 - 2, pathFigureEditor.GetPoint(downstreamSegment1 - 2) + lastTangent);
}
this.PathEditorTarget.EndEditing(false);
int downstreamSegment2 = pathFigureEditor.GetLastIndexOfDownstreamSegment(num1 - 1);
this.PathEditContext = new PathEditContext(figureIndex2, downstreamSegment2);
int num2 = PathFigureUtilities.PointCount(pathFigureEditor.PathFigure);
if (pathFigureEditor.GetPointKind(num2 - 1) == PathPointKind.Cubic)
{
this.LastTangent = pathFigureEditor.GetPoint(num2 - 1) - pathFigureEditor.GetPoint(num2 - 2);
}
else
{
this.LastTangent = new Vector(0.0, 0.0);
}
this.UpdateEditTransaction();
this.zeroTangents = false;
this.PathEditorTarget.BeginEditing();
base.OnBegin(this.PathEditContext, mouseDevice);
}
}
private void SetPathUsingMapping(PathGeometry path)
{
SceneViewModel viewModel = this.targetElement.ViewModel;
using (viewModel.AnimationProxyManager != null ? viewModel.AnimationProxyManager.ExpandAllProxiesInActiveContainer() : (IDisposable)null)
{
foreach (PathAction action in this.changeList.Changes)
{
System.Windows.Media.Geometry geometry = this.targetElement.GetLocalOrDefaultValueAsWpf((IPropertyId)this.pathProperty) as System.Windows.Media.Geometry;
if (geometry == null && this.targetElement.IsValueExpression((IPropertyId)this.pathProperty))
{
geometry = this.targetElement.ViewModel.DefaultView.ConvertToWpfValue(this.targetElement.ViewModel.CreateInstance(this.targetElement.GetLocalValueAsSceneNode((IPropertyId)this.pathProperty).DocumentNodePath)) as System.Windows.Media.Geometry;
if (geometry == null)
{
geometry = this.targetElement.GetComputedValueAsWpf((IPropertyId)this.pathProperty) as System.Windows.Media.Geometry;
if (geometry == null)
{
return;
}
}
}
PathGeometry oldGeometry = new PathGeometry();
oldGeometry.AddGeometry(geometry.Clone());
PathGeometry pathGeometry = new PathGeometry();
pathGeometry.AddGeometry(geometry);
PathFigureEditor pathFigureEditor = new PathFigureEditor(pathGeometry.Figures[action.Figure]);
PathGeometryEditor pathGeometryEditor = new PathGeometryEditor(pathGeometry);
switch (action.Action)
{
case PathActionType.InsertPoint:
pathFigureEditor.SubdivideSegment(action.PointIndex, action.Parameter);
break;
case PathActionType.DeletePoint:
pathFigureEditor.RemovePoint(action.PointIndex);
break;
case PathActionType.DeleteSegment:
if (action.Segment == 0 && pathFigureEditor.PathFigure.Segments.Count > 1)
{
pathFigureEditor.RemoveFirstSegment();
break;
}
pathFigureEditor.RemoveLastSegment();
break;
case PathActionType.PromoteSegment:
pathFigureEditor.PromoteSegment(action.PointIndex);
break;
case PathActionType.Rotate:
pathFigureEditor.Rotate();
break;
case PathActionType.Open:
pathFigureEditor.Open(action.PointIndex);
break;
case PathActionType.Split:
pathFigureEditor.Split(action.PointIndex);
break;
case PathActionType.SplitAndAdd:
pathGeometryEditor.SplitFigure(action.Figure, action.PointIndex);
break;
case PathActionType.RemoveFigure:
pathGeometryEditor.RemoveFigure(action.Figure);
break;
case PathActionType.AppendSegment:
PathAppendLineAction appendLineAction;
if ((appendLineAction = action as PathAppendLineAction) != null)
{
Point point = appendLineAction.Point;
if (action.Figure < path.Figures.Count && action.Segment < path.Figures[action.Figure].Segments.Count)
{
LineSegment lineSegment = path.Figures[action.Figure].Segments[action.Segment] as LineSegment;
if (lineSegment != null)
{
point = lineSegment.Point;
}
}
pathFigureEditor.LineTo(point);
break;
}
PathAppendQuadraticBezierAction quadraticBezierAction;
if ((quadraticBezierAction = action as PathAppendQuadraticBezierAction) != null)
{
Point point1 = quadraticBezierAction.Point1;
Point point2 = quadraticBezierAction.Point2;
if (action.Figure < path.Figures.Count && action.Segment < path.Figures[action.Figure].Segments.Count)
{
QuadraticBezierSegment quadraticBezierSegment = path.Figures[action.Figure].Segments[action.Segment] as QuadraticBezierSegment;
if (quadraticBezierSegment != null)
{
point1 = quadraticBezierSegment.Point1;
point2 = quadraticBezierSegment.Point2;
}
}
pathFigureEditor.QuadraticCurveTo(point1, point2);
break;
}
PathAppendBezierAction appendBezierAction;
if ((appendBezierAction = action as PathAppendBezierAction) != null)
{
Point point1 = appendBezierAction.Point1;
Point point2 = appendBezierAction.Point2;
Point point3 = appendBezierAction.Point3;
if (action.Figure < path.Figures.Count && action.Segment < path.Figures[action.Figure].Segments.Count)
{
BezierSegment bezierSegment = path.Figures[action.Figure].Segments[action.Segment] as BezierSegment;
if (bezierSegment != null)
{
point1 = bezierSegment.Point1;
point2 = bezierSegment.Point2;
point3 = bezierSegment.Point3;
}
}
pathFigureEditor.CubicCurveTo(point1, point2, point3);
break;
}
break;
case PathActionType.Close:
pathFigureEditor.CloseWithLineSegment();
break;
case PathActionType.Join:
pathGeometryEditor.JoinFigure(action.Figure, action.PointIndex);
break;
case PathActionType.Reverse:
pathFigureEditor.Reverse();
break;
}
this.targetElement.SetLocalValueAsWpf((IPropertyId)this.pathProperty, (object)pathGeometry);
this.ApplyAnimationChanges(oldGeometry, pathGeometry, action);
if (action.Action == PathActionType.PromoteSegment && action.Segment < pathGeometry.Figures[action.Figure].Segments.Count)
{
this.targetElement.ViewModel.Document.OnUpdatedEditTransaction();
this.SetKeyframesForSegment(path, action.Figure, action.Segment);
}
}
this.RemoveInvalidAnimations(PathGeometryUtilities.GetPathGeometryFromGeometry((System.Windows.Media.Geometry) this.targetElement.GetLocalOrDefaultValueAsWpf((IPropertyId)this.pathProperty)));
}
}