protected override void OnDisable()
{
// Make sure no animation will continue next time the object is enabled, in case the disabling is just temporary
_ExpandCollapseAnimation = null;
base.OnDisable();
}
void OnExpandCollapseButtonClicked(MyVH vh)
{
// Force finish previous animation
if (_ExpandCollapseAnimation != null)
{
int oldItemIndex = _ExpandCollapseAnimation.itemIndex;
var oldModel = LazyData.GetOrCreate(oldItemIndex);
_ExpandCollapseAnimation.ForceFinish();
oldModel.ExpandedAmount = _ExpandCollapseAnimation.CurrentExpandedAmount;
UpdateModelAndResizeViewsHolderIfVisible(oldItemIndex, oldModel);
_ExpandCollapseAnimation = null;
}
var model = LazyData.GetOrCreate(vh.ItemIndex);
var anim = new ExpandCollapseAnimationState(_Params.UseUnscaledTime);
anim.initialExpandedAmount = model.ExpandedAmount;
anim.duration = .2f;
if (model.ExpandedAmount == 1f) // fully expanded
{
anim.targetExpandedAmount = 0f;
}
else
{
anim.targetExpandedAmount = 1f;
}
anim.itemIndex = vh.ItemIndex;
_ExpandCollapseAnimation = anim;
}
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
_ExpandCollapseAnimation = null;
base.ChangeItemsCount(changeMode, itemsCount, indexIfInsertingOrRemoving, contentPanelEndEdgeStationary, keepVelocity);
}
void AdvanceExpandCollapseAnimation()
{
int itemIndex = _ExpandCollapseAnimation.itemIndex;
var model = LazyData.GetOrCreate(itemIndex);
model.ExpandedAmount = _ExpandCollapseAnimation.CurrentExpandedAmount;
UpdateModelAndResizeViewsHolderIfVisible(itemIndex, model);
if (_ExpandCollapseAnimation.IsDone)
{
_ExpandCollapseAnimation = null;
}
}
