protected virtual void UpdateEdgePoints()
{
if (EdgePoints == null)
{
this.edgePointsVM = new ObservableCollection <EdgePointViewModel>();
}
EdgePoints.Clear();
for (int i = 0; i < this.ShapeElement.EdgePoints.Count; i++)
{
EdgePointVMType t = EdgePointVMType.Normal;
if (i == 0)
{
t = EdgePointVMType.Start;
}
else if (i == this.ShapeElement.EdgePoints.Count - 1)
{
t = EdgePointVMType.End;
}
else
{
continue; // TODO
}
EdgePointViewModel vm = new EdgePointViewModel(this.ViewModelStore, this.ShapeElement.EdgePoints[i], t);
if (i > 0 && i < this.ShapeElement.EdgePoints.Count - 1)
{
//vm.EdgePointOperation = EdgePointVMOperation.m
}
else
{
RectangleD bounds;
if (t == EdgePointVMType.Start)
{
bounds = this.ShapeElement.FromShape.AbsoluteBounds;
}
else
{
bounds = this.ShapeElement.ToShape.AbsoluteBounds;
}
EdgePoint p = this.ShapeElement.EdgePoints[i];
LinkPlacement placement = LinkShape.GetLinkPlacement(bounds, new PointD(p.X, p.Y));
switch (placement)
{
case LinkPlacement.Bottom:
vm.EdgePointSide = EdgePointVMSide.Bottom;
break;
case LinkPlacement.Left:
vm.EdgePointSide = EdgePointVMSide.Left;
break;
case LinkPlacement.Right:
vm.EdgePointSide = EdgePointVMSide.Right;
break;
case LinkPlacement.Top:
vm.EdgePointSide = EdgePointVMSide.Top;
break;
}
}
EdgePoints.Add(vm);
}
OnPropertyChanged("EdgePoints");
OnPropertyChanged("StartEdgePoint");
OnPropertyChanged("EndEdgePoint");
OnPropertyChanged("MiddleEdgePoint");
}
/// <summary>
/// Constuctor.
/// </summary>
/// <param name="viewModelStore">The store this view model belongs to.</param>
/// <param name="edgePoint">Edge point.</param>
/// <param name="edgePointType">EdgePointVMType.</param>
public EdgePointViewModel(ViewModelStore viewModelStore, EdgePoint edgePoint, EdgePointVMType edgePointType)
: base(viewModelStore)
{
this.EdgePoint = edgePoint;
this.EdgePointType = edgePointType;
this.EdgePointSide = EdgePointVMSide.None;
this.EdgePointOperation = EdgePointVMOperation.Move;
this.TranslateX = 0;
this.TranslateY = 0;
UpdateTranslateCoordinates();
}
/// <summary>
/// Constuctor.
/// </summary>
/// <param name="viewModelStore">The store this view model belongs to.</param>
/// <param name="edgePoint">Edge point.</param>
/// <param name="edgePointType">EdgePointVMType.</param>
public EdgePointViewModel(ViewModelStore viewModelStore, EdgePoint edgePoint, EdgePointVMType edgePointType)
: base(viewModelStore)
{
this.EdgePoint = edgePoint;
this.EdgePointType = edgePointType;
this.EdgePointSide = EdgePointVMSide.None;
this.EdgePointOperation = EdgePointVMOperation.Move;
this.TranslateX = 0;
this.TranslateY = 0;
UpdateTranslateCoordinates();
}