protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
{
var point = e.GetPosition(this);
if (RippleEditor.GetOnCenter(this))
{
var innercontent = Content as FrameworkElement;
if (innercontent != null)
{
var position = innercontent.TransformToAncestor(this).Transform(new Point(0, 0));
offsetx = position.X + innercontent.ActualWidth / 2 - RippleSize / 2;
offsety = position.Y + innercontent.ActualHeight / 2 - RippleSize / 2;
}
else
{
offsetx = ActualWidth / 2 - RippleSize / 2;
offsety = ActualHeight / 2 - RippleSize / 2;
}
}
else
{
offsetx = point.X - RippleSize / 2;
offsety = point.Y - RippleSize / 2;
}
if (!RippleEditor.Getdisable(this))
{
VisualStateManager.GoToState(this, "normal", false);
VisualStateManager.GoToState(this, "click", true);
instance.Add(this);
}
base.OnPreviewMouseLeftButtonDown(e);
}
private void Ripple_SizeChanged(object sender, SizeChangedEventArgs e)
{
var innerContent = (Content as FrameworkElement);
double width, height;
if (RippleEditor.GetOnCenter(this) && innerContent != null)
{
width = innerContent.ActualWidth;
height = innerContent.ActualHeight;
}
else
{
width = e.NewSize.Width;
height = e.NewSize.Height;
}
var radius = Math.Sqrt(Math.Pow(width, 2) + Math.Pow(height, 2));
RippleSize = 2 * radius;
}