private void RecoverItem(LoopScrollItem item)
{
item.gameObject.SetActive(false);
mItemList.Remove(item);
mItemQueue.Enqueue(item);
mItemIndexDic[item] = INVALIID_START_INDEX;
}
private void OnValueChanged(Vector2 vec)
{
int curmStartIndex = GetmStartIndex();
if ((mStartIndex != curmStartIndex) && (curmStartIndex > INVALIID_START_INDEX))
{
mStartIndex = curmStartIndex;
for (int i = mItemList.Count - 1; i >= 0; i--)
{
mChangingItem = mItemList[i];
int index = mItemIndexDic[mChangingItem];
if (index < mStartIndex || index > (mStartIndex + mCreateCount - 1))
{
RecoverItem(mChangingItem);
}
else
{
}
}
for (int i = mStartIndex; i < mStartIndex + mCreateCount; i++)
{
if (i >= mDataCount)
{
break;
}
else
{
}
bool isExist = false;
for (int j = 0; j < mItemList.Count; j++)
{
mChangingItem = mItemList[j];
int index = mItemIndexDic[mChangingItem];
if (index == i)
{
isExist = true;
break;
}
else
{
}
}
if (isExist)
{
continue;
}
else
{
}
CreateItem(i);
}
}
}
private void OnDestroy()
{
mScrollRect = default;
mContentRectTrans = default;
mUpdateCell = default;
mUpdateItem = default;
m_PrefabItem = default;
mPrefabItem = default;
mChangingItem = default;
Utils.Reclaim(ref mItemData);
Utils.Reclaim(ref mItemList);
Utils.Reclaim(ref mItemQueue);
Utils.Reclaim(ref mItemIndexDic);
}
public void InitView(ref List <ILoopScrollItemData> infos, LoopScrollItem itemRenderer, float padding = 0f, Action <LoopScrollItem, int> onUpdateCell = default)
{
mItemData = infos;
mUpdateCell += UpdateItemInfo;
if (onUpdateCell != default)
{
mUpdateCell += onUpdateCell;
}
else
{
}
Show(infos.Count, itemRenderer, padding);
}
public void UpdateList()
{
if (mUpdateCell != default)
{
int max = mItemList == default ? 0 : mItemList.Count;
for (int i = 0; i < max; i++)
{
mUpdateItem = mItemList[i];
int index = mItemIndexDic[mUpdateItem];
mUpdateCell?.Invoke(mUpdateItem, index);
}
}
else
{
}
}
private void Show(int dataCount, LoopScrollItem itemRenderer, float padding = 0f)
{
mDataCount = dataCount;
mCellPadding = padding;
mPrefabItem = (m_PrefabItem == default && itemRenderer != default) ? itemRenderer : m_PrefabItem;
mItemList = new List <LoopScrollItem>();
mItemQueue = new Queue <LoopScrollItem>();
mItemIndexDic = new Dictionary <LoopScrollItem, int>();
if (mScrollRect == default)
{
mScrollRect = GetComponent <ScrollRect>();
mContentRectTrans = mScrollRect.content;
}
else
{
}
mScrollRectSize = mScrollRect.GetComponent <RectTransform>().sizeDelta;
mCellSize = itemRenderer.GetComponent <RectTransform>().sizeDelta;
mStartIndex = 0;
mCreateCount = 0;
mMaxCount = GetMaxCount();
if (mScrollRect.horizontal)
{
mContentRectTrans.anchorMin = new Vector2(m_ContentAnchorH.x, m_ContentAnchorH.y);
mContentRectTrans.anchorMax = new Vector2(m_ContentAnchorH.width, m_ContentAnchorH.height);
}
else
{
mContentRectTrans.anchorMin = new Vector2(m_ContentAnchorV.x, m_ContentAnchorV.y);
mContentRectTrans.anchorMax = new Vector2(m_ContentAnchorV.width, m_ContentAnchorV.height);
}
mScrollRect.onValueChanged.RemoveAllListeners();
mScrollRect.onValueChanged.AddListener(OnValueChanged);
ResetSize(dataCount);
}
private void UpdateItemInfo(LoopScrollItem item, int index)
{
ILoopScrollItemData info = mItemData[index];
info.FillInfoToItem(ref item);
}