private void SetAnimation()
{
storyBoard?.Stop(Selected);
if ((EdgesPath?.Count ?? 0) == 0)
{
return;
}
storyBoard = new Storyboard();
DoubleAnimationUsingKeyFrames leftAnimation = new DoubleAnimationUsingKeyFrames();
DoubleAnimationUsingKeyFrames topAnimation = new DoubleAnimationUsingKeyFrames();
leftAnimation.RepeatBehavior = RepeatBehavior.Forever;
topAnimation.RepeatBehavior = RepeatBehavior.Forever;
Storyboard.SetTargetName(leftAnimation, Selected.Name);
Storyboard.SetTargetProperty(leftAnimation, new PropertyPath("(0)", Canvas.LeftProperty));
Storyboard.SetTargetName(topAnimation, Selected.Name);
Storyboard.SetTargetProperty(topAnimation, new PropertyPath("(0)", Canvas.TopProperty));
double sumDist = EdgesPath.Sum(edge => Distance(edge));
double sumTime = 0;
foreach (var edge in EdgesPath)
{
leftAnimation.KeyFrames.Add(new EasingDoubleKeyFrame(Nodes[edge.Begin].X, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, (int)sumTime))));
topAnimation.KeyFrames.Add(new EasingDoubleKeyFrame(Nodes[edge.Begin].Y, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, (int)sumTime))));
sumTime += (Distance(edge) / sumDist) * (animTimeSpan * EdgesPath.Count);
leftAnimation.KeyFrames.Add(new EasingDoubleKeyFrame(Nodes[edge.End].X, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, (int)sumTime))));
topAnimation.KeyFrames.Add(new EasingDoubleKeyFrame(Nodes[edge.End].Y, KeyTime.FromTimeSpan(new TimeSpan(0, 0, 0, 0, (int)sumTime))));
}
leftAnimation.Freeze();
topAnimation.Freeze();
storyBoard.Children.Add(leftAnimation);
storyBoard.Children.Add(topAnimation);
storyBoard.Begin(Selected, true);
}
private void SmartGraphPathParentChanged()
{
GraphVM previous = Graph;
Graph = GraphPath?.Parent;
if (Graph != null && Graph == previous)
{
return;
}
previous = Graph;
Nodes.Clear();
Edges.Clear();
NodesNames.Clear();
EdgesPath.Clear();
NodesPathOrder.Clear();
if (Graph == null)
{
return;
}
positioner = new CircleGraphPositioner(Graph);
double actualWidth = ActualWidth;
double actualHeight = ActualHeight;
foreach (var node in Graph.Nodes)
{
Nodes[node] = CalculatePosition(node, NodesMargin, actualWidth, actualHeight);
NodesNames[node] = CalculatePosition(node, NamesMargin, actualWidth, actualHeight);
}
foreach (var edge in Graph.Edges)
{
Edges.Add(edge);
}
++ChangeCount;
}
private void SmartGraphPathCahnged()
{
EdgesPath.Clear();
NodesPathOrder.Clear();
if (GraphPath == null)
{
return;
}
int index = 0;
NodesPathOrder.Add(GraphPath.Edges.First().Begin, index++);
foreach (var edge in GraphPath.Edges)
{
EdgesPath.Add(edge);
NodesPathOrder.Add(edge.End, index++);
}
++ChangeCount;
SetAnimation();
}
