public void Execute(object parameter)
{
if (!(parameter is FrameworkElement element))
{
return;
}
var items = element.GetChildren <UIElement>().Where(l => l.RenderTransform is TransformGroup);
items = items.Where(l => (l.RenderTransform as TransformGroup).Children.Count == 4);
items = items.Where(l => (l as FrameworkElement)?.Tag?.ToString() != "Except" && !InvokeRandomSplitAnimationAction.GetIsExcept(l));
var controls = items?.ToList();
if (controls == null || controls.Count == 0)
{
return;
}
Storyboard storyboard = new Storyboard();
controls.Reverse();
for (int i = 0; i < controls.Count; i++)
{
TimeSpan span = TimeSpan.FromMilliseconds(i * SplitMilliSecond);
ObjectAnimationUsingKeyFrames frames = new ObjectAnimationUsingKeyFrames();
DiscreteObjectKeyFrame key1 = new DiscreteObjectKeyFrame(Visibility.Collapsed, KeyTime.FromTimeSpan(span));
frames.KeyFrames.Add(key1);
Storyboard.SetTarget(frames, controls[i]);
Storyboard.SetTargetProperty(frames, new PropertyPath(FrameworkElement.VisibilityProperty));
storyboard.Children.Add(frames);
}
storyboard.FillBehavior = FillBehavior.HoldEnd;
storyboard.Begin();
}
/// <summary> 执行方法 </summary>
protected override void Invoke(object parameter)
{
if (this.AssociatedObject == null)
{
return;
}
if (this.AutoFindParent)
{
this.Target = this.AssociatedObject.GetParent <Panel>();
}
if (this.Target == null)
{
this.Target = this.AssociatedObject;
}
IEnumerable <UIElement> children = null;
if (IsUseAll)
{
children = this.Target.GetChildren <UIElement>().Where(l => l.RenderTransform is TransformGroup);
children = children.Where(l => (l.RenderTransform as TransformGroup).Children.Count == 4);
children = children.Where(l => (l as FrameworkElement)?.Tag?.ToString() != "Except" && !InvokeRandomSplitAnimationAction.GetIsExcept(l));
}
else
{
if (this.Target is Panel panel)
{
children = panel.Children?.Cast <UIElement>()?.Where(l => l.RenderTransform is TransformGroup);
children = children.Where(l => (l.RenderTransform as TransformGroup).Children.Count == 4 && !InvokeRandomSplitAnimationAction.GetIsExcept(l));
}
}
if (children == null)
{
return;
}
var controls = children?.ToList();
if (controls == null || controls.Count == 0)
{
return;
}
if (this.UseIndex)
{
controls = this.RandomList(controls);
}
Storyboard storyboard = new Storyboard();
for (int i = 0; i < controls.Count; i++)
{
if (this.UseOrigin)
{
controls[i].RenderTransformOrigin = this.GetRandomOrigin();
}
foreach (var item in Timelines.OfType <RandomDoubleAnimation>())
{
TimeSpan span = TimeSpan.FromMilliseconds(i * (SplitMilliSecond + item.Duration.TimeSpan.TotalMilliseconds));
TimeSpan end = item.Duration.TimeSpan + span;
DoubleAnimation animation = item.ConvertTo();
if (item.BeginTime == TimeSpan.Zero)
{
DoubleAnimationUsingKeyFrames frames = new DoubleAnimationUsingKeyFrames();
EasingDoubleKeyFrame key1 = new EasingDoubleKeyFrame(animation.From.Value, KeyTime.FromTimeSpan(TimeSpan.Zero));
frames.KeyFrames.Add(key1);
Storyboard.SetTarget(frames, controls[i]);
Storyboard.SetTargetProperty(frames, Storyboard.GetTargetProperty(item));
storyboard.Children.Add(frames);
}
animation.BeginTime = span + animation.BeginTime;
Storyboard.SetTarget(animation, controls[i]);
storyboard.Children.Add(animation);
}
foreach (var item in Timelines.OfType <ThicknessAnimation>())
{
TimeSpan span = TimeSpan.FromMilliseconds(i * (SplitMilliSecond + item.Duration.TimeSpan.TotalMilliseconds));
TimeSpan end = item.Duration.TimeSpan + span;
ThicknessAnimationUsingKeyFrames frames = new ThicknessAnimationUsingKeyFrames();
EasingThicknessKeyFrame key1 = new EasingThicknessKeyFrame(item.From.Value, KeyTime.FromTimeSpan(TimeSpan.Zero));
frames.KeyFrames.Add(key1);
Storyboard.SetTarget(frames, controls[i]);
Storyboard.SetTargetProperty(frames, Storyboard.GetTargetProperty(item));
storyboard.Children.Add(frames);
ThicknessAnimation animation = item.Clone();
animation.BeginTime = span;
Storyboard.SetTarget(animation, controls[i]);
storyboard.Children.Add(animation);
}
}
storyboard.FillBehavior = FillBehavior.HoldEnd;
storyboard.RepeatBehavior = this.RepeatBehavior;
storyboard.Begin();
}