private IEnumerator UpdateContentsInternal()
{
if (itemSize == -1)
{
var rt = UnityUtility.GetComponent <RectTransform>(itemPrefab);
itemSize = direction == Direction.Vertical ? rt.rect.height : rt.rect.width;
}
// Contentのサイズ設定.
scrollRect.content.anchorMin = direction == Direction.Vertical ? new Vector2(0f, 0.5f) : new Vector2(0.5f, 0f);
scrollRect.content.anchorMax = direction == Direction.Vertical ? new Vector2(1f, 0.5f) : new Vector2(0.5f, 1f);
scrollRect.content.pivot = new Vector2(0.5f, 0.5f);
// Hitboxは全域使用.
if (hitBox != null)
{
hitBox.anchorMin = new Vector2(0f, 0f);
hitBox.anchorMax = new Vector2(1f, 1f);
hitBox.pivot = new Vector2(0.5f, 0.5f);
}
switch (scrollType)
{
case ScrollType.Loop:
{
scrollRect.movementType = ScrollRect.MovementType.Unrestricted;
var delta = scrollRectTransform.rect.size;
if (direction == Direction.Vertical)
{
delta.x = 0;
}
else
{
delta.y = 0f;
}
scrollRect.content.sizeDelta = delta;
}
break;
case ScrollType.Limited:
{
if (scrollRect.movementType == ScrollRect.MovementType.Unrestricted)
{
scrollRect.movementType = ScrollRect.MovementType.Elastic;
}
var delta = scrollRect.content.sizeDelta;
var sizeDelta = Mathf.Abs(edgeSpacing) * 2 + itemSize * Contents.Length + itemSpacing * (Contents.Length - 1);
if (direction == Direction.Vertical)
{
var scrollHeight = scrollRectTransform.rect.height;
delta.y = sizeDelta < scrollHeight ? scrollHeight : sizeDelta;
}
else
{
var scrollWidth = scrollRectTransform.rect.width;
delta.x = sizeDelta < scrollWidth ? scrollWidth : sizeDelta;
}
scrollRect.content.sizeDelta = delta;
}
break;
}
var requireCount = GetRequireCount();
// 配置初期位置(中央揃え想定なのでItemSize * 0.5f分ずらす).
var basePosition = direction == Direction.Vertical ?
scrollRect.content.rect.height * 0.5f - itemSize * 0.5f - edgeSpacing :
-scrollRect.content.rect.width * 0.5f + itemSize * 0.5f + edgeSpacing;
// 足りない分を生成.
var createCount = requireCount - itemList.Count;
var addItems = UnityUtility.Instantiate <VirtualScrollItem <T> >(scrollRect.content.gameObject, itemPrefab, createCount, false);
itemList.AddRange(addItems);
// 先に登録して非アクティブ化.
foreach (var item in addItems)
{
UnityUtility.SetActive(item, false);
}
// 生成したインスタンス初期化.
foreach (var item in addItems)
{
UnityUtility.SetActive(item, true);
if (onCreateItem != null)
{
onCreateItem.OnNext(item.gameObject);
}
yield return(item.Initialize().ToYieldInstruction());
UnityUtility.SetActive(item, false);
}
// 要素数が少ない時はスクロールを無効化.
scrollRect.enabled = ScrollEnable();
var scrollbar = direction == Direction.Vertical ? scrollRect.verticalScrollbar : scrollRect.horizontalScrollbar;
if (scrollbar != null)
{
UnityUtility.SetActive(scrollbar.gameObject, ScrollEnable());
}
// 位置、情報を更新.
for (var i = 0; i < itemList.Count; i++)
{
var item = itemList[i];
var offset = itemSize * i;
offset += 0 < i ? itemSpacing * i : 0;
item.RectTransform.anchoredPosition = direction == Direction.Vertical ?
new Vector2(0, basePosition - offset) :
new Vector2(basePosition + offset, 0);
UpdateItem(item, i);
}
// 並べ替え.
UpdateSibling();
// スクロール初期位置設定.
CenterToItem(0);
}
private IEnumerator UpdateContentsInternal(bool keepScrollPosition)
{
var scrollPosition = ScrollPosition;
if (itemSize == -1)
{
var rt = UnityUtility.GetComponent <RectTransform>(itemPrefab);
itemSize = direction == Direction.Vertical ? rt.rect.height : rt.rect.width;
}
//----- Contentのサイズ設定 -----
scrollRect.content.anchorMin = direction == Direction.Vertical ? new Vector2(0f, 0.5f) : new Vector2(0.5f, 0f);
scrollRect.content.anchorMax = direction == Direction.Vertical ? new Vector2(1f, 0.5f) : new Vector2(0.5f, 1f);
scrollRect.content.pivot = new Vector2(0.5f, 0.5f);
var delta = scrollRectTransform.rect.size;
switch (scrollType)
{
case ScrollType.Loop:
{
scrollRect.movementType = ScrollRect.MovementType.Unrestricted;
// ※ UIScrollViewのautoScrollDisableに引っかからないように領域を拡張.
if (direction == Direction.Vertical)
{
delta.x = 0f;
delta.y += 1f;
}
else
{
delta.y = 0f;
delta.x += 1f;
}
scrollRect.content.sizeDelta = delta;
}
break;
case ScrollType.Limited:
{
if (scrollRect.movementType == ScrollRect.MovementType.Unrestricted)
{
scrollRect.movementType = ScrollRect.MovementType.Elastic;
}
var sizeDelta = Mathf.Abs(edgeSpacing) * 2 + itemSize * Contents.Count + itemSpacing * (Contents.Count - 1);
if (direction == Direction.Vertical)
{
var scrollHeight = scrollRectTransform.rect.height;
delta.x = 0f;
delta.y = sizeDelta < scrollHeight ? scrollHeight : sizeDelta;
}
else
{
var scrollWidth = scrollRectTransform.rect.width;
delta.x = sizeDelta < scrollWidth ? scrollWidth : sizeDelta;
delta.y = 0f;
}
scrollRect.content.sizeDelta = delta;
}
break;
}
//----- ヒットボックス初期化 -----
SetupHitBox();
//----- 足りない分を生成 -----
var requireCount = GetRequireCount();
var createCount = requireCount - itemList.Count;
if (0 < createCount)
{
var addItems = UnityUtility.Instantiate <VirtualScrollItem <T> >(scrollRect.content.gameObject, itemPrefab, createCount).ToArray();
itemList.AddRange(addItems);
// 全アイテム非アクティブ化.
addItems.ForEach(x => UnityUtility.SetActive(x, false));
// 生成したインスタンス初期化.
var initializeObservers = new IObservable <Unit> [addItems.Length];
for (var i = 0; i < addItems.Length; i++)
{
var item = addItems[i];
initializeObservers[i] = Observable.Defer(() => Observable.FromMicroCoroutine(() => InitializeItem(item)));
}
var initializeYield = initializeObservers.WhenAll().ToYieldInstruction(false);
while (!initializeYield.IsDone)
{
yield return(null);
}
if (initializeYield.HasError)
{
Debug.LogException(initializeYield.Error);
}
}
// 要素数が少ない時はスクロールを無効化.
scrollRect.enabled = ScrollEnable();
var scrollbar = direction == Direction.Vertical ? scrollRect.verticalScrollbar : scrollRect.horizontalScrollbar;
if (scrollbar != null)
{
UnityUtility.SetActive(scrollbar.gameObject, ScrollEnable());
}
var updateObservers = new IObservable <Unit> [itemList.Count];
// 配置初期位置(中央揃え想定なのでItemSize * 0.5f分ずらす).
var basePosition = direction == Direction.Vertical ?
scrollRect.content.rect.height * 0.5f - itemSize * 0.5f - edgeSpacing :
-scrollRect.content.rect.width * 0.5f + itemSize * 0.5f + edgeSpacing;
// 位置、情報を更新.
for (var i = 0; i < itemList.Count; i++)
{
var index = i;
var item = itemList[i];
var offset = itemSize * i;
offset += 0 < i ? itemSpacing * i : 0;
item.RectTransform.anchoredPosition = direction == Direction.Vertical ?
new Vector2(0, basePosition - offset) :
new Vector2(basePosition + offset, 0);
updateObservers[i] = Observable.Defer(() => UpdateItem(item, index));
}
//----- リストアイテム更新 -----
var updateItemYield = updateObservers.WhenAll().ToYieldInstruction(false);
while (!updateItemYield.IsDone)
{
yield return(null);
}
if (updateItemYield.HasError)
{
Debug.LogException(updateItemYield.Error);
}
//----- スクロール位置設定 -----
if (keepScrollPosition)
{
ScrollPosition = scrollPosition;
}
else
{
ScrollToItem(0, ScrollTo.First);
}
//----- 並べ替え -----
UpdateSibling();
//----- 更新イベント -----
OnUpdateContents();
if (onUpdateContents != null)
{
onUpdateContents.OnNext(Unit.Default);
}
}
protected void UpdateContents()
{
var touchBlocIndex = 0;
GameObject parent = null;
if (touchBloc == null)
{
touchBloc = UnityUtility.Instantiate <TouchBloc>(parentGlobal.Parent, touchBlocPrefab);
touchBloc.Initialize();
}
if (scenePopups.Any())
{
var index = 0;
parent = parentInScene.Parent;
touchBlocIndex = 0;
foreach (var item in scenePopups)
{
if (item == scenePopups.LastOrDefault())
{
touchBlocIndex = index++;
}
item.transform.SetSiblingIndex(index++);
}
}
if (globalPopups.Any())
{
var index = 0;
parent = parentGlobal.Parent;
touchBlocIndex = 0;
foreach (var item in globalPopups)
{
if (item == globalPopups.LastOrDefault())
{
touchBlocIndex = index++;
}
item.transform.SetSiblingIndex(index++);
}
}
// ポップアップがなかった場合はグローバルの下に退避.
if (parent == null)
{
parent = parentGlobal.Parent;
}
UnityUtility.SetParent(touchBloc.gameObject, parent);
touchBloc.transform.SetSiblingIndex(touchBlocIndex);
UnityUtility.SetLayer(parent, touchBloc.gameObject, true);
// 一つでも登録されたら表示.
if (!touchBloc.Active && (scenePopups.Any() || globalPopups.Any()))
{
if (touchBlocDisposable != null)
{
touchBlocDisposable.Dispose();
touchBlocDisposable = null;
}
touchBlocDisposable = touchBloc.FadeIn().Subscribe().AddTo(this);
}
// 空になったら非表示.
if (touchBloc.Active && (scenePopups.IsEmpty() && globalPopups.IsEmpty()))
{
if (touchBlocDisposable != null)
{
touchBlocDisposable.Dispose();
touchBlocDisposable = null;
}
touchBlocDisposable = touchBloc.FadeOut().Subscribe().AddTo(this);
}
}