Beispiel #1
0
 public bool IsCurrentLink(Node currentNode)
 {
     if (!IsTwoSided)
         return ((Node1 == currentNode) && !Node2.Visited);
     else
         return (((Node1 == currentNode) && !Node2.Visited) || ((Node2 == currentNode) && !Node1.Visited));
 }
        public NodeDialog(Action<Node> callback, DialogMode dialogMode, Node node = null)
        {
            this.InitializeComponent();
            _callback = callback;

            switch (dialogMode)
            {
                case DialogMode.CreationMode:

                    Title = "Add new node";
                    PrimaryButtonText = "Create";
                    _node = new Node();

                    break;
                case DialogMode.EditMode:

                    Title = "Edit node";
                    PrimaryButtonText = "Save";
                    _node = node;

                    break;
                default:
                    throw new ArgumentException("Not supported", "dialogMode");
            }
        }
 private void DrawNode(CanvasDrawingSession ds, Node node)
 {
     ds.FillCircle(node.Position, hitTestRadius, backgroundColor);
     ds.DrawCircle(node.Position, hitTestRadius, foregroundColor, 4);
     ds.DrawText(node.Name, node.Position, foregroundColor, textFormat);
 }
 private void Canvas_PointerReleased(object sender, PointerRoutedEventArgs e)
 {
     if (activeDrag != null)
     {
         activeDrag = null;
         Canvas.Invalidate();
     }
 }
        private void Canvas_PointerPressed(object sender, PointerRoutedEventArgs e)
        {
            if (Nodes.Count == 0)
            {
                return;
            }

            var pointerPos = e.GetCurrentPoint(Canvas).Position.ToVector2();

            var targetDistances = (from node in Nodes
                                   select Vector2.Distance(pointerPos, node.Position)).ToList();

            int closestTarget = targetDistances.IndexOf(targetDistances.Min());

            if (targetDistances[closestTarget] <= hitTestRadius)
            {
                activeDrag = Nodes[closestTarget];
                dragOffset = pointerPos - Nodes[closestTarget].Position;
                Canvas.Invalidate();
            }
        }