public override Storyboard GetAnimationStoryboard(string propertyToAnimate, AnimationTriggerValue triggerValue, GridLength newValue, GridLength oldValue)
{
GridAnimation animation = new GridAnimation()
{
To =
triggerValue == AnimationTriggerValue.Start || triggerValue == AnimationTriggerValue.Unset ? newValue : oldValue,
From =
triggerValue == AnimationTriggerValue.Start || triggerValue == AnimationTriggerValue.Unset ? oldValue : newValue,
Duration =
triggerValue == AnimationTriggerValue.Unset ? TimeSpan.FromSeconds(0.3) : TimeSpan.FromSeconds(0.18),
AccelerationRatio =
triggerValue == AnimationTriggerValue.Unset ? 0.3 : 0.7,
EasingFunction =
new QuarticEase()
};
Storyboard.SetTargetProperty(animation, new PropertyPath(propertyToAnimate));
Storyboard animationStoryboard = new Storyboard();
animationStoryboard.Children.Add(animation);
return(animationStoryboard);
}
/// <summary> /// Get stortyboard for animation /// </summary> /// <param name="propertyToAnimate"></param> /// <param name="newValue"></param> /// <param name="oldValue"></param> /// <returns></returns> public abstract Storyboard GetAnimationStoryboard(DependencyObject element, string propertyToAnimate, AnimationTriggerValue triggerValue, Property newValue, Property oldValue);
/// <summary>
/// Check if element is FrameworkElement or FrameworkContentElement
/// </summary>
/// <returns></returns>
public void GetAnimationStoryboardWithOldValueAndStart(DependencyObject element, string propertyToAnimate, AnimationTriggerValue triggerValue,
Property newValue, Property oldValue)
{
if (element is FrameworkElement)
{
GetAnimationStoryboard(element, propertyToAnimate, triggerValue, newValue, oldValue).Begin(element as FrameworkElement);
}
else if (element is FrameworkContentElement)
{
GetAnimationStoryboard(element, propertyToAnimate, triggerValue, newValue, oldValue).Begin(element as FrameworkContentElement);
}
else
{
throw new ArgumentException("Element type must be FrameworkElement or FrameworkContentElement");
}
}
/// <summary> /// Sets attached property with animation trigger /// </summary> /// <param name="animationPropertyProperty">The element to get the property from</param> /// <param name="value">New value</param> public static void SetAnimationTrigger(DependencyObject d, AnimationTriggerValue value) => d.SetValue(AnimationTriggerProperty, value);
/// <summary> /// Reverse <see cref="AnimationTriggerValue"/> /// If value set to Start it changes to StartReverce /// If value set to StartReverce it changes to Start /// </summary> /// <param name="value"></param> /// <returns></returns> public static AnimationTriggerValue ReverceAnimationTriggerValue(AnimationTriggerValue value) => value == AnimationTriggerValue.Start ? AnimationTriggerValue.StartReverce : AnimationTriggerValue.Start;
/// <summary> /// Get stortyboard for animation /// </summary> /// <param name="propertyToAnimate"></param> /// <param name="newValue"></param> /// <param name="oldValue"></param> /// <returns></returns> public abstract Storyboard GetAnimationStoryboard(string propertyToAnimate, AnimationTriggerValue triggerValue, Property newValue, Property oldValue);