private void DetachCanvas(ArtboardCanvas canvas)
{
Children.Remove(canvas);
canvas.DesignWidth = 0;
canvas.DesignHeight = 0;
canvas.OffsetX = 0;
canvas.OffsetY = 0;
canvas.Zoom = 1;
}
private void AttachCanvas(ArtboardCanvas canvas)
{
canvas.DesignWidth = DesignWidth;
canvas.DesignHeight = DesignHeight;
canvas.OffsetX = OffsetX;
canvas.OffsetY = OffsetY;
canvas.Zoom = Zoom;
Children.Add(canvas);
}
public override void SetPosition(UIElement element, Point value)
{
if (_snapEngineContext != null)
{
value = _snapEngineContext.Engine.Snap(new ArtboardSnapParameters(new Rect(value, element.RenderSize), _snapEngineContext)).SnapRect.GetTopLeft();
}
ArtboardCanvas.SetPosition(element, value);
Canvas.ArrangeChild(element);
}
public override Point GetPosition(UIElement element)
{
return(ArtboardCanvas.GetPosition(element));
}
public ArtboardCanvasDraggableAdvisor(ArtboardCanvas canvas)
{
Canvas = canvas;
}
public ArtboardCanvasResizableAdvisor(ArtboardCanvas canvas)
{
Canvas = canvas;
}
private static void SetCanvas(UIElement element, ArtboardCanvas canvas)
{
element.SetValue(CanvasProperty, canvas);
}
private static void OnCanvasPropertyChangedPrivate(DependencyObject dependencyObject, ArtboardCanvas oldCanvas, ArtboardCanvas newCanvas)
{
if (ReferenceEquals(oldCanvas, newCanvas))
{
return;
}
oldCanvas?.DetachElement((UIElement)dependencyObject);
newCanvas?.AttachElement((UIElement)dependencyObject);
}
