public override void OnApplyTemplate()
{
base.OnApplyTemplate();
if (Template == null)
{
return;
}
VertexLabelControl = Template.FindName("PART_vertexLabel", this) as IVertexLabelControl;
if (VertexLabelControl != null)
{
if (ShowLabel)
{
VertexLabelControl.Show();
}
else
{
VertexLabelControl.Hide();
}
UpdateLayout();
VertexLabelControl.UpdatePosition();
}
VertexConnectionPointsList = this.FindDescendantsOfType <IVertexConnectionPoint>().ToList();
if (VertexConnectionPointsList.GroupBy(x => x.Id).Count(group => @group.Count() > 1) > 0)
{
throw new GX_InvalidDataException("Vertex connection points in VertexControl template must have unique Id!");
}
}
/// <summary>
/// Returns first connection point found with specified Id
/// </summary>
/// <param name="id">Connection point identifier</param>
/// <param name="runUpdate">Update connection point if found</param>
public IVertexConnectionPoint GetConnectionPointById(int id, bool runUpdate = false)
{
var result = VertexConnectionPointsList.FirstOrDefault(a => a.Id == id);
result?.Update();
return(result);
}
public IVertexConnectionPoint GetConnectionPointAt(Point position)
{
Measure(new USize(double.PositiveInfinity, double.PositiveInfinity));
return(VertexConnectionPointsList.FirstOrDefault(a =>
{
var rect = new Rect(a.RectangularSize.X, a.RectangularSize.Y, a.RectangularSize.Width, a.RectangularSize.Height);
return rect.Contains(position.ToGraphX());
}));
}
