protected override void Move(double deltaX, double deltaY)
{
base.Move(deltaX, deltaY);
MoveChildren(deltaX, deltaY);
Canvas canvas = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(this.Parent)) as Canvas;
UIElementCollection children = canvas.Children;
foreach (var linkInstanceFrom in LinksFrom)
{
EdgeType linkFrom = GetObjectType <EdgeType>(children.Single(item =>
{
EdgeType edgeType = GetObjectType <EdgeType>(item);
return(edgeType == null ? false : edgeType.DataContext == linkInstanceFrom);
}));
linkFrom.MoveStartPort(deltaX, deltaY);
}
foreach (var linkInstanceTo in LinksTo)
{
EdgeType linkTo = GetObjectType <EdgeType>(children.Single(item =>
{
EdgeType edgeType = GetObjectType <EdgeType>(item);
return(edgeType == null ? false : edgeType.DataContext == linkInstanceTo);
}));
linkTo.MoveEndPort(deltaX, deltaY);
}
}
private void NodeType_SizeChanged(object sender, SizeChangedEventArgs e)
{
if (e.PreviousSize != new Size(0, 0))
{
Canvas canvas = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(this.Parent)) as Canvas;
UIElementCollection children = canvas.Children;
foreach (var linkInstanceFrom in LinksFrom)
{
EdgeType linkFrom = GetObjectType <EdgeType>(children.Single(item =>
{
EdgeType edgeType =
GetObjectType <EdgeType>(item);
return(edgeType == null
? false
: edgeType.
DataContext ==
linkInstanceFrom);
}));
IEnumerable <UIElement> ports = (this.Content as Panel).Children.Where(item => item is Port);
Port portFrom = ports.ElementAt((int)Math.Floor(linkFrom.PortFrom)) as Port;
double portNearestPosition = linkFrom.PortFrom - Math.Floor(linkFrom.PortFrom);
linkFrom.SetStartPortPosition(
X + portFrom.Position.X + portFrom.TransformedWidth * portNearestPosition,
Y + portFrom.Position.Y + portFrom.TransformedHeight * portNearestPosition);
}
foreach (var linkInstanceTo in LinksTo)
{
EdgeType linkTo = GetObjectType <EdgeType>(children.Single(item =>
{
EdgeType edgeType =
GetObjectType <EdgeType>(item);
return(edgeType == null
? false
: edgeType.DataContext ==
linkInstanceTo);
}));
IEnumerable <UIElement> ports = (this.Content as Panel).Children.Where(item => item is Port);
Port portTo = ports.ElementAt((int)Math.Floor(linkTo.PortTo)) as Port;
double portNearestPosition = linkTo.PortTo - Math.Floor(linkTo.PortTo);
linkTo.SetEndPortPosition(
X + portTo.Position.X + portTo.TransformedWidth * portNearestPosition - linkTo.X,
Y + portTo.Position.Y + portTo.TransformedHeight * portNearestPosition - linkTo.Y);
}
}
}
private void MoveChildren(double deltaX, double deltaY)
{
Canvas canvas = VisualTreeHelper.GetParent(VisualTreeHelper.GetParent(this.Parent)) as Canvas;
UIElementCollection children = canvas.Children;
foreach (var nodeInstance in (this.DataContext as NodeInstance).NodeChildren)
{
NodeType node = GetObjectType <NodeType>(children.Single(item =>
{
NodeType nodeType = GetObjectType <NodeType>(item);
return(nodeType == null ? false : nodeType.DataContext == nodeInstance);
}));
node.Move(deltaX, deltaY);
}
}