Exemplo n.º 1
0
        private void OnSizeChanged(object sender, SizeChangedEventArgs sizeChangedEventArgs)
        {
            var innerContent = (Content as FrameworkElement);

            double width, height;

            if (RippleAssist.GetIsCentered(this) && innerContent != null)
            {
                width  = innerContent.ActualWidth;
                height = innerContent.ActualHeight;
            }
            else
            {
                width  = sizeChangedEventArgs.NewSize.Width;
                height = sizeChangedEventArgs.NewSize.Height;
            }

            var radius = Math.Sqrt(Math.Pow(width, 2) + Math.Pow(height, 2));

            RippleSize = 2 * radius * RippleAssist.GetRippleSizeMultiplier(this);
        }
Exemplo n.º 2
0
        protected override void OnPreviewMouseLeftButtonDown(MouseButtonEventArgs e)
        {
            var point = e.GetPosition(this);

            if (RippleAssist.GetIsCentered(this))
            {
                var innerContent = (Content as FrameworkElement);

                if (innerContent != null)
                {
                    var position = innerContent.TransformToAncestor(this)
                                   .Transform(new Point(0, 0));

                    RippleX = position.X + innerContent.ActualWidth / 2 - RippleSize / 2;
                    RippleY = position.Y + innerContent.ActualHeight / 2 - RippleSize / 2;
                }
                else
                {
                    RippleX = ActualWidth / 2 - RippleSize / 2;
                    RippleY = ActualHeight / 2 - RippleSize / 2;
                }
            }
            else
            {
                RippleX = point.X - RippleSize / 2;
                RippleY = point.Y - RippleSize / 2;
            }

            if (!RippleAssist.GetIsDisabled(this))
            {
                VisualStateManager.GoToState(this, TemplateStateNormal, false);
                VisualStateManager.GoToState(this, TemplateStateMousePressed, true);
                PressedInstances.Add(this);
            }

            base.OnPreviewMouseLeftButtonDown(e);
        }