public AnimationSequence <T> Animate(Easing easing, Action <T> action, Action completed = null, double duration = .2, double delay = 0, string id = null, Lerp lerp = null)
{
steps.Add(new AnimationStep <T>
{
Easing = easing,
Action = action,
Completed = completed,
Duration = duration,
Delay = delay,
Id = id,
Lerp = lerp,
});
return(this);
}
public static Animation CreateAnimation <T>(T view, Easing easing, Action <T> action, Action completed = null, double duration = .2, double delay = 0, bool repeats = false, bool autoReverses = false, string id = null, Lerp lerp = null)
where T : View
{
ContextualObject.MonitorChanges();
action(view);
var changedProperties = ContextualObject.StopMonitoringChanges();
List <Animation> animations = null;
if (changedProperties.Count == 0)
{
return(null);
}
if (changedProperties.Count > 1)
{
animations = new List <Animation>();
}
foreach (var change in changedProperties)
{
var prop = change.Key;
var values = change.Value;
if (values.newValue == values.oldValue)
{
continue;
}
var animation = new Animation
{
Duration = duration,
Easing = easing,
Repeats = repeats,
StartDelay = delay,
StartValue = values.oldValue,
EndValue = values.newValue,
ContextualObject = prop.view,
PropertyName = prop.property,
Id = id,
Lerp = lerp,
};
if (autoReverses)
{
animation = animation.CreateAutoReversing();
}
if (animations == null)
{
return(animation);
}
animations.Add(animation);
}
return(new Animation(animations)
{
Id = id,
Duration = duration,
Easing = easing,
Repeats = repeats,
});
}
public static T Animate <T>(this T view, Action <T> action, Action completed = null, double duration = .2, double delay = 0, bool repeats = false, bool autoReverses = false, string id = null, Lerp lerp = null)
where T : View => view.Animate(Easing.Default, action, completed, duration, delay, repeats, autoReverses, id, lerp);
public static T Animate <T>(this T view, Easing easing, Action <T> action, Action completed = null, double duration = .2, double delay = 0, bool repeats = false, bool autoReverses = false, string id = null, Lerp lerp = null)
where T : View
{
var animation = CreateAnimation(view, easing, action, completed, duration, delay, repeats, autoReverses, id, lerp);
view.AddAnimation(animation);
return(view);
}
