private AdornerLayer CreateLayer(UIElement gameSideElement)
{
var canvas = GetAdornerCanvas();
if (canvas == null)
{
return(null);
}
var font = Controller.DefaultFont;
var layer = new AdornerLayer(gameSideElement);
// Create margins adorners
layer.Add(new MarginAdorner(this, gameSideElement, MarginEdge.Left, font), true);
layer.Add(new MarginAdorner(this, gameSideElement, MarginEdge.Right, font), true);
layer.Add(new MarginAdorner(this, gameSideElement, MarginEdge.Top, font), true);
layer.Add(new MarginAdorner(this, gameSideElement, MarginEdge.Bottom, font), true);
// Create highlight adorner
layer.SetHighlightAdorner(new HighlightAdorner(this, gameSideElement));
// Create move adorner
layer.Add(new MoveAdorner(this, gameSideElement));
// Create sizing adorners
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.TopLeft));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.Top));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.TopRight));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.Right));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.BottomRight));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.Bottom));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.BottomLeft));
layer.Add(new SizingAdorner(this, gameSideElement, ResizingDirection.Left));
// Add to collection and canvas
adornerLayers.Add(gameSideElement.Id, layer);
canvas.Children.Add(layer.Visual);
// Make sure adorners will be rendered correctly the next time
layer.Invalidate();
return(layer);
}