FlipView Animation Behavior Anitmate a FlipViewControl with fadein or a slide-animation (botton to top)

FlipViewAnimation

  public class FlipViewAnimationBehaviour: DependencyObject, IBehavior {


        [System.ComponentModel.EditorBrowsable(System.ComponentModel.EditorBrowsableState.Never)]
        public DependencyObject AssociatedObject {
            get;
            set;
        }


        private SlideAnimation animation;

        private Storyboard currentAnimation;


        public SlideAnimation Animation {
            get {
                return animation;
            }

            set {
                animation = value;
                this.SetAnimation(animation);
            }
        }



        private void SetAnimation(SlideAnimation animation) {

            this.animations = new FlipViewAnimations();

            this.animations.RecreateAnimations();

            if(animation == SlideAnimation.FadinAnimation) {
                this.currentAnimation = this.animations.FadeInAnimation;

            }

            if(animation == SlideAnimation.SlideInBottomTop) {
                this.currentAnimation = this.animations.SlideInLeftAnimation;
            }

        }


        private FlipViewAnimations animations;

        protected virtual void OnAttached() {

            (AssociatedObject as FlipView).SelectionChanged += AssociatedObject_SelectionChanged;

            //this.currentAnimation = animations.FadeInAnimation;

        }

        void AssociatedObject_SelectionChanged(object sender, SelectionChangedEventArgs e) {

            var flipView = sender as FlipView;

            if (e.AddedItems.Count > 0) {
                FlipViewItem initem = flipView.ContainerFromItem(e.AddedItems[0]) as FlipViewItem;

                if (initem != null) {


                    this.SetAnimation(this.animation);

                    if (this.animation == SlideAnimation.SlideInBottomTop) {
                        initem.RenderTransform = new TranslateTransform();
                        Storyboard.SetTarget(this.currentAnimation, initem.RenderTransform);
                    }

                    else {
                        Storyboard.SetTarget(this.currentAnimation, initem);
                    }

                    this.currentAnimation.Begin();
                }
            }



        }

        protected virtual void OnDetaching() {
            (AssociatedObject as FlipView).SelectionChanged -= AssociatedObject_SelectionChanged;
            this.animations = null;
        }


        public void Attach(DependencyObject associatedObject) {
            this.AssociatedObject = associatedObject;
            OnAttached();

        }

        public void Detach() {
            OnDetaching();
        }
    }

    public enum SlideAnimation {
        FadinAnimation,
        SlideInBottomTop
    }

    public class FlipViewAnimations {

        public  Storyboard FadeInAnimation {
            get;
            set;
        }

        public Storyboard SlideInLeftAnimation {
            get;
            set;
        }



        public FlipViewAnimations() {

            CreateFadeInAnimation();
            CreateSlideInBottomTop();
        }

        public void RecreateAnimations() {
            CreateFadeInAnimation();
            CreateSlideInBottomTop();
        }

        private void CreateFadeInAnimation() {
            FadeInAnimation = new Storyboard();
            DoubleAnimation da = new DoubleAnimation();
            da.From = 0.0;
            da.To = 1.0;
            da.AutoReverse = false;
            Duration dur = new Duration(TimeSpan.FromMilliseconds(900));
            da.Duration = dur;
            FadeInAnimation.Children.Add(da);
            Storyboard.SetTargetProperty(FadeInAnimation, "Opacity");


        }

        private void CreateSlideInBottomTop() {
            SlideInLeftAnimation = new Storyboard();
            DoubleAnimation da = new DoubleAnimation();
            da.From = 500;
            da.To = 0;
            da.AutoReverse = false;
            Duration dur = new Duration(TimeSpan.FromMilliseconds(600));
            da.Duration = dur;
            SlideInLeftAnimation.Children.Add(da);

            Storyboard.SetTargetProperty(da, "Y");

        }

    }