private PenAction GetAction(PathPartAdorner adorner) { PenAction penAction = (PenAction)null; PathSegmentAdorner pathSegmentAdorner = adorner as PathSegmentAdorner; PathEditorTarget pathEditorTarget = (PathEditorTarget)null; if (adorner != null) { pathEditorTarget = adorner.PathAdornerSet.PathEditorTarget; } if (pathSegmentAdorner != null) { penAction = (PenAction) new InsertAction(pathEditorTarget, this.ActiveSceneViewModel); } else { PathPointAdorner pathPointAdorner = adorner as PathPointAdorner; if (pathPointAdorner != null) { penAction = (PenAction) new DeletePointAction(pathEditorTarget, this.ActiveSceneViewModel); PathFigure figure1 = pathEditorTarget.PathGeometry.Figures[pathPointAdorner.FigureIndex]; if (PathFigureUtilities.IsOpen(figure1) && !PathFigureUtilities.IsIsolatedPoint(figure1)) { bool flag1 = pathPointAdorner.PointIndex == 0; bool flag2 = pathPointAdorner.PointIndex == PathFigureUtilities.PointCount(figure1) - 1; bool flag3 = pathPointAdorner.PathAdornerSet.PathEditorTarget == this.pathEditorTarget; bool flag4 = this.pathEditContext != null && pathPointAdorner.FigureIndex == this.pathEditContext.FigureIndex; bool flag5 = this.pathEditorTarget != null && pathPointAdorner.PathAdornerSet.PathEditorTarget.PathEditMode == this.pathEditorTarget.PathEditMode; bool flag6 = pathPointAdorner.PathAdornerSet.PathEditorTarget.PathEditMode == PathEditMode.ScenePath; PathFigure figure2 = this.pathEditContext == null || this.pathEditorTarget == null ? (PathFigure)null : this.pathEditContext.GetPathFigure(this.pathEditorTarget.PathGeometry); bool flag7 = figure2 != null && PathFigureUtilities.IsOpen(figure2); bool flag8 = (flag3 && !flag4 || flag5 && flag6) && flag7; if (flag1) { penAction = !flag3 || !flag4 ? (!flag8 ? (PenAction) new ExtendAction(pathEditorTarget, this.ActiveSceneViewModel) : (PenAction) new JoinAction(pathEditorTarget, this.ActiveSceneViewModel, this.pathEditorTarget, this.pathEditContext)) : (PenAction) new CloseAction(pathEditorTarget, this.ActiveSceneViewModel); } else if (flag2) { penAction = !flag3 || !flag4 ? (!flag8 ? (PenAction) new ExtendAction(pathEditorTarget, this.ActiveSceneViewModel) : (PenAction) new JoinAction(pathEditorTarget, this.ActiveSceneViewModel, this.pathEditorTarget, this.pathEditContext)) : (PenAction) new AdjustAction(pathEditorTarget, this.ActiveSceneViewModel); } } if (PathFigureUtilities.IsIsolatedPoint(figure1) && this.pathEditContext == null) { penAction = (PenAction) new ExtendAction(pathEditorTarget, this.ActiveSceneViewModel); } } } if (penAction == null) { penAction = !this.IsActive || this.pathEditorTarget == null || (this.pathEditorTarget.PathGeometry.Figures.Count <= 0 || this.pathEditorTarget.PathGeometry.Figures[this.pathEditorTarget.PathGeometry.Figures.Count - 1].IsClosed) ? (PenAction) new StartAction(this, (PathEditorTarget)null, this.ActiveSceneViewModel) : (PenAction) new AppendAction(this.pathEditorTarget, this.ActiveSceneViewModel); } return(penAction); }
protected override void OnDrag(MouseDevice mouseDevice, double zoom) { Point point = PathFigureUtilities.GetPoint(this.PathEditContext.GetPathFigure(this.Path), this.PathEditContext.PartIndex); Point point1 = this.geometryToDocument.Transform(point); Point viewRootCoordinates = this.GetPointInViewRootCoordinates(mouseDevice, true); Vector vector = viewRootCoordinates - point1; Vector correspondingVector = ElementUtilities.GetCorrespondingVector(vector, this.geometryToDocument, this.IsShiftDown ? this.AxisConstraint : (AxisConstraint)null); if (this.hasMoved || Tolerances.HaveMoved(point1, viewRootCoordinates, zoom)) { this.hasMoved = true; PathGeometry path = this.Path; int figureIndex = this.PathEditContext.FigureIndex; int partIndex = this.PathEditContext.PartIndex; PathGeometryEditor pathGeometryEditor = this.BeginEditing(); PathFigureEditor pathFigureEditor = new PathFigureEditor(path.Figures[figureIndex]); if (partIndex > 0 || PathFigureUtilities.IsClosed(pathFigureEditor.PathFigure)) { pathGeometryEditor.SetPoint(figureIndex, partIndex - 1, point - correspondingVector); } if (pathFigureEditor.GetLastIndexOfDownstreamSegment(partIndex) != partIndex) { pathGeometryEditor.SetPoint(figureIndex, partIndex + 1, point + correspondingVector); } if (partIndex == PathFigureUtilities.PointCount(pathFigureEditor.PathFigure) - 1 && PathFigureUtilities.IsOpen(pathFigureEditor.PathFigure)) { this.LastTangent = vector; } this.PathEditorTarget.AddCriticalEdit(); } base.OnDrag(mouseDevice, zoom); }
protected override void OnBegin(PathEditContext pathEditContext, MouseDevice mouseDevice) { this.View.ViewModel.PathPartSelectionSet.SetSelection((PathPart) new PathPoint((SceneElement)this.PathEditorTarget.EditingElement, this.PathEditorTarget.PathEditMode, pathEditContext.FigureIndex, pathEditContext.PartIndex)); this.geometryToDocument = this.EditingElementTransformToRoot; int figureIndex = pathEditContext.FigureIndex; int num = pathEditContext.PartIndex; PathFigureEditor pathFigureEditor = new PathFigureEditor(pathEditContext.GetPathFigure(this.Path)); Point point = pathFigureEditor.GetPoint(num); int downstreamSegment = pathFigureEditor.GetLastIndexOfDownstreamSegment(num); if (pathFigureEditor.GetPointKind(num) != PathPointKind.Cubic && pathFigureEditor.GetPointKind(num) != PathPointKind.Start || pathFigureEditor.GetPointKind(downstreamSegment) != PathPointKind.Cubic) { PathGeometryEditor pathGeometryEditor = this.BeginEditing(); num = this.PromoteAdjacentSegments(pathEditContext); pathFigureEditor = new PathFigureEditor(pathGeometryEditor.PathGeometry.Figures[figureIndex]); this.PathEditContext = new PathEditContext(figureIndex, num); this.View.ViewModel.PathPartSelectionSet.SetSelection((PathPart) new PathPoint((SceneElement)this.PathEditorTarget.EditingElement, this.PathEditorTarget.PathEditMode, this.PathEditContext.FigureIndex, this.PathEditContext.PartIndex)); } if (this.zeroTangents) { if ((num > 0 || PathFigureUtilities.IsClosed(pathFigureEditor.PathFigure)) && !VectorUtilities.ArePathPointsVeryClose(pathFigureEditor.GetPoint(num), pathFigureEditor.GetPoint(num - 1))) { this.BeginEditing().SetPoint(figureIndex, num - 1, point); } if (pathFigureEditor.GetLastIndexOfDownstreamSegment(num) != num && !VectorUtilities.ArePathPointsVeryClose(pathFigureEditor.GetPoint(num), pathFigureEditor.GetPoint(num + 1))) { this.BeginEditing().SetPoint(figureIndex, num + 1, point); } if (num == PathFigureUtilities.PointCount(pathFigureEditor.PathFigure) - 1 && PathFigureUtilities.IsOpen(pathFigureEditor.PathFigure)) { this.LastTangent = new Vector(0.0, 0.0); } } base.OnBegin(pathEditContext, mouseDevice); }