public ComputeVisibilityManager(OSA <TParams, TItemViewsHolder> adapter)
{
_Adapter = adapter;
_Params = _Adapter.Parameters;
_InternalState = _Adapter._InternalState;
_ItemsDesc = _Adapter._ItemsDesc;
}
protected InternalState(BaseParams sourceParams, ItemsDescriptor itemsDescriptor)
{
_SourceParams = sourceParams;
_ItemsDesc = itemsDescriptor;
var lg = sourceParams.Content.GetComponent <LayoutGroup>();
if (lg && lg.enabled)
{
lg.enabled = false;
Debug.Log("LayoutGroup on GameObject " + lg.name + " has beed disabled in order to use OSA");
}
var contentSizeFitter = sourceParams.Content.GetComponent <ContentSizeFitter>();
if (contentSizeFitter && contentSizeFitter.enabled)
{
contentSizeFitter.enabled = false;
Debug.Log("ContentSizeFitter on GameObject " + contentSizeFitter.name + " has beed disabled in order to use OSA");
}
var layoutElement = sourceParams.Content.GetComponent <LayoutElement>();
if (layoutElement)
{
GameObject.Destroy(layoutElement);
Debug.Log("LayoutElement on GameObject " + contentSizeFitter.name + " has beed DESTROYED in order to use OSA");
}
//if (sourceParams.IsHorizontal)
//{
// layoutInfo.startEdge = RectTransform.Edge.Left;
// layoutInfo.endEdge = RectTransform.Edge.Right;
// layoutInfo.transvStartEdge = RectTransform.Edge.Top;
// //getRTCurrentSizeFn = root => root.rect.width;
//}
//else
//{
// layoutInfo.startEdge = RectTransform.Edge.Top;
// layoutInfo.endEdge = RectTransform.Edge.Bottom;
// layoutInfo.transvStartEdge = RectTransform.Edge.Left;
// //getRTCurrentSizeFn = root => root.rect.height;
//}
}
internal static InternalState <TItemViewsHolder> CreateFromSourceParamsOrThrow(BaseParams sourceParams, ItemsDescriptor itemsDescriptor)
{
return(new InternalState <TItemViewsHolder>(sourceParams, itemsDescriptor));
}
protected override void CollectItemsSizes(ItemCountChangeMode changeMode, int count, int indexIfInsertingOrRemoving, ItemsDescriptor itemsDesc)
{
base.CollectItemsSizes(changeMode, count, indexIfInsertingOrRemoving, itemsDesc);
if (changeMode != ItemCountChangeMode.RESET)
{
return;
}
if (count == 0)
{
return;
}
// Randomize sizes
int indexOfFirstItemThatWillChangeSize = 0;
int end = indexOfFirstItemThatWillChangeSize + count;
itemsDesc.BeginChangingItemsSizes(indexOfFirstItemThatWillChangeSize);
for (int i = indexOfFirstItemThatWillChangeSize; i < end; ++i)
{
itemsDesc[i] = UnityEngine.Random.Range(_Params.DefaultItemSize / 3, _Params.DefaultItemSize * 3);
}
itemsDesc.EndChangingItemsSizes();
}
/// <inheritdoc/>
protected override void CollectItemsSizes(ItemCountChangeMode changeMode, int count, int indexIfInsertingOrRemoving, ItemsDescriptor itemsDesc)
{
base.CollectItemsSizes(changeMode, count, indexIfInsertingOrRemoving, itemsDesc);
// CollectItemsSizes is called whenever the items count changes, but before the view is actually updated.
// The reason we need it here is that when inserting an item, it's initial size will be _Params.DefaultItemSize
// (which is taken from the prefab's actual size), but we want it to be NON_EXPANDED_SIZE (which is close to zero),
// so we can expand it after.
// It's not something very important, but it looks a bit odd without it
if (changeMode != ItemCountChangeMode.INSERT)
{
return;
}
if (count > 1)
{
// Not an animated insertion, since the count would've been 1 in that case
return;
}
if (_InsertDeleteAnimation == null)
{
// No animation running => the item will directly appear expanded (with _Params.DefaultItemSize)
return;
}
if (_InsertDeleteAnimation.itemIndex == indexIfInsertingOrRemoving)
{
itemsDesc.BeginChangingItemsSizes(indexIfInsertingOrRemoving);
itemsDesc[indexIfInsertingOrRemoving] = NON_EXPANDED_SIZE;
itemsDesc.EndChangingItemsSizes();
}
}
