protected override void OnDisable()
{
// Make sure no animation will continue next time the object is enabled, in case the disabling is just temporary
_InsertDeleteAnimation = null;
base.OnDisable();
}
/// <inheritdoc/>
public override void ChangeItemsCount(ItemCountChangeMode changeMode, int itemsCount, int indexIfInsertingOrRemoving = -1, bool contentPanelEndEdgeStationary = false, bool keepVelocity = false)
{
// No animation should be preserved between count changes.
// In case of insertion and removals, we don't touch it, since we expect those to be handled by the AnimatedInsert and AnimatedRemove, respectively
if (changeMode == ItemCountChangeMode.RESET)
{
_InsertDeleteAnimation = null;
}
base.ChangeItemsCount(changeMode, itemsCount, indexIfInsertingOrRemoving, contentPanelEndEdgeStationary, keepVelocity);
}
void OnCurrentInsertDeleteAnimationFinished()
{
int itemIndex = _InsertDeleteAnimation.itemIndex;
if (!_InsertDeleteAnimation.IsInsert)
{
// The animation was a remove animation => The item needs to be removed at the end of it
LazyData.RemoveItems(itemIndex, 1, false);
}
_InsertDeleteAnimation = null;
}
/// <summary>Inserting now, then animating</summary>
public void AnimatedInsert(int index, MyModel model)
{
// Force finish previous animation
if (_InsertDeleteAnimation != null)
{
ForceFinishCurrentAnimation();
if (index > LazyData.Count)
{
// The previous animation was a removal and this index is not valid anymore
return;
}
}
_InsertDeleteAnimation = new InsertDeleteAnimationState(_Params.UseUnscaledTime, index, 0f, 1f);
LazyData.InsertOneManuallyCreated(index, model, false);
}
/// <summary>Animating removal, then remove</summary>
public void AnimatedRemove(int index)
{
// Force finish previous animation
if (_InsertDeleteAnimation != null)
{
ForceFinishCurrentAnimation();
if (index >= LazyData.Count)
{
// The previous animation was a removal and this index is not valid anymore
return;
}
}
var model = LazyData.GetOrCreate(index);
_InsertDeleteAnimation = new InsertDeleteAnimationState(_Params.UseUnscaledTime, index, model.expandedAmount, 0f);
}