private void InsertAndAnimate(int index, object item)
{
// insert
InsertItem(index, item);
if (canAnimate && EntranceAnimation != null && item != null)
{
var newContent = TreeHelper.FindChild(item.GetType(), innerItemsControl, index);
if (newContent == null)
{
// try to find ContentPresenter for item that is ViewModel
newContent = TreeHelper.FindChild <ContentPresenter>(innerItemsControl, index);
}
if (newContent is FrameworkElement newElement)
{
EntranceAnimation.BeginAnimation(newElement, () =>
{
DequeueActionInternal();
});
}
else
{
// TODO: throw/log ?
DequeueActionInternal();
}
}
else
{
DequeueActionInternal();
}
}
private void SetEntranceAnimationResource()
{
if (EntranceAnimation != null)
{
if (this.mainGrid.Resources.Contains(EntranceAnimation))
{
this.mainGrid.Resources.Remove(EntranceAnimationStoryboardName);
}
var animationClone = EntranceAnimation.Clone();
this.mainGrid.Resources[EntranceAnimationStoryboardName] = animationClone;
}
}
