public void ReflushAllCreatedGroup()
{
int curIndex = 0;
if (mArrangeType == ListItemArrangeType.TopToBottom)
{
float curY = Mathf.Clamp(mContainerTrans.localPosition.y, 0, mMaxLocalPosition.y);
curIndex = Mathf.FloorToInt(curY / mItemPaddingHeight);
}
else if (mArrangeType == ListItemArrangeType.BottomToTop)
{
float curY = Mathf.Clamp(-mContainerTrans.localPosition.y, 0, mMaxLocalPosition.y);
curIndex = Mathf.FloorToInt(curY / mItemPaddingHeight);
}
else if (mArrangeType == ListItemArrangeType.RightToLeft)
{
float curX = Mathf.Clamp(mContainerTrans.localPosition.x, 0, mMaxLocalPosition.x);
curIndex = Mathf.FloorToInt(curX / mItemPaddingWidth);
}
else if (mArrangeType == ListItemArrangeType.LeftToRight)
{
float curX = Mathf.Clamp(-mContainerTrans.localPosition.x, 0, mMaxLocalPosition.x);
curIndex = Mathf.FloorToInt(curX / mItemPaddingWidth);
}
int count = mItemGroupList.Count;
for (int i = 0; i < count; ++i)
{
LoopListItemGroup it = mItemGroupList[i];
it.GroupIndex = i + curIndex;
ResetGroupItemPos(it);
UpdateGroupItems(it);
}
}
void RecycleGroupItem(LoopListItemGroup group)
{
foreach (LoopListViewItem item in group.mItemList)
{
mItemPoolMgr.RecycleItem(item);
}
group.mItemList.Clear();
}
void ReflushAllCreatedGroup(int realHeadIndex)
{
if (realHeadIndex < 0)
{
realHeadIndex = 0;
}
int count = mItemGroupList.Count;
for (int i = 0; i < count; ++i)
{
LoopListItemGroup it = mItemGroupList[i];
it.GroupIndex = i + realHeadIndex;
ResetGroupItemPos(it);
UpdateGroupItems(it);
}
}
void CreateItemGroup(int groupIndex)
{
LoopListItemGroup tGroup = new LoopListItemGroup();
mItemGroupList.Add(tGroup);
for (int i = 0; i < mItemCountPerGroup; ++i)
{
LoopListViewItem tViewItem = mItemPoolMgr.GetItem();
RectTransform rf = tViewItem.GetComponent <RectTransform>();
rf.SetParent(mContainerTrans);
rf.localScale = Vector3.one;
rf.localPosition = Vector3.zero;
rf.rotation = Quaternion.identity;
tViewItem.ParentListView = this;
tGroup.mItemList.Add(tViewItem);
}
tGroup.GroupIndex = groupIndex;
}
void OnGroupCreated(LoopListItemGroup group)
{
if (mOnItemCreated == null)
{
return;
}
int count = group.mItemList.Count;
for (int i = 0; i < count; ++i)
{
LoopListViewItem tItem = group.mItemList[i];
if (tItem.CreatedHandlerCalled == false)
{
tItem.CreatedHandlerCalled = true;
mOnItemCreated(tItem);
}
}
}
void ResetGroupItemPos(LoopListItemGroup group)
{
int index = group.GroupIndex;
int count = group.mItemList.Count;
if (mIsVertList)
{
float y = (mArrangeType == ListItemArrangeType.TopToBottom)?(-index * mItemPaddingHeight) : (index * mItemPaddingHeight);
for (int i = 0; i < count; ++i)
{
group.mItemList[i].transform.localPosition = new Vector3(i * mItemPaddingWidth, y, 0.0f);
}
}
else
{
float x = (mArrangeType == ListItemArrangeType.LeftToRight)?(index * mItemPaddingWidth) :(-index * mItemPaddingWidth);
for (int i = 0; i < count; ++i)
{
group.mItemList[i].transform.localPosition = new Vector3(x, -i * mItemPaddingHeight, 0.0f);
}
}
}
void UpdateGroupItems(LoopListItemGroup group)
{
if (mOnItemIndexUpdated == null)
{
return;
}
int count = group.mItemList.Count;
for (int i = 0; i < count; ++i)
{
LoopListViewItem tViewItem = group.mItemList[i];
if (tViewItem.ItemIndex >= mItemTotalCount)
{
tViewItem.gameObject.SetActive(false);
}
else
{
tViewItem.gameObject.SetActive(true);
mOnItemIndexUpdated(tViewItem);
}
}
}
void UpdateForVertList()
{
bool isUpScroll = mContainerTrans.localPosition.y > mLastPosY;
mLastPosY = mContainerTrans.localPosition.y;
if (mArrangeType == ListItemArrangeType.TopToBottom)
{
float curY = Mathf.Clamp(mContainerTrans.localPosition.y, 0, mMaxLocalPosition.y);
int curIndex = Mathf.FloorToInt(curY / mItemPaddingHeight);
if (mLastHeadGroupIndex == curIndex)
{
return;
}
mLastHeadGroupIndex = curIndex;
int count = mItemGroupList.Count;
int realHeadIndex = curIndex;
if (isUpScroll)
{
if (mItemGroupList[mItemGroupList.Count - 1].GroupIndex == mTotalItemGroupCount - 1)
{
return;
}
int indexDelta = realHeadIndex - mItemGroupList[0].GroupIndex;
if (indexDelta == 0)
{
return;
}
if (indexDelta > 0 && indexDelta <= mMoreCreateValue)
{
for (int i = 1; i < count; ++i)
{
LoopListItemGroup it = mItemGroupList[i];
if (it.GroupIndex != i + realHeadIndex - indexDelta)
{
ReflushAllCreatedGroup(realHeadIndex);
return;
}
}
for (int i = 1; i <= indexDelta; ++i)
{
LoopListItemGroup it0 = mItemGroupList[0];
if (it0.GroupIndex + count >= mTotalItemGroupCount)
{
break;
}
it0.GroupIndex = it0.GroupIndex + count;
mItemGroupList.RemoveAt(0);
mItemGroupList.Add(it0);
ResetGroupItemPos(it0);
UpdateGroupItems(it0);
}
}
else
{
ReflushAllCreatedGroup(realHeadIndex);
}
}
else
{
if (mItemGroupList[0].GroupIndex == 0)
{
return;
}
float dist = mContentSize.y - mListViewPortSize.y - curY;
int index2 = Mathf.FloorToInt(dist / mItemPaddingHeight);
int realTailIndex = mTotalItemGroupCount - index2 - 1;
int indexDelta = mItemGroupList[count - 1].GroupIndex - realTailIndex;
if (indexDelta == 0)
{
return;
}
if (indexDelta > 0 && indexDelta <= mMoreCreateValue)
{
for (int i = 1; i < count; ++i)
{
LoopListItemGroup it = mItemGroupList[count - i - 1];
if (it.GroupIndex != realTailIndex + indexDelta - i)
{
ReflushAllCreatedGroup(realTailIndex - count + 1);
return;
}
}
for (int i = 1; i <= indexDelta; ++i)
{
LoopListItemGroup it0 = mItemGroupList[count - 1];
if (it0.GroupIndex - count < 0)
{
break;
}
it0.GroupIndex = it0.GroupIndex - count;
mItemGroupList.RemoveAt(count - 1);
mItemGroupList.Insert(0, it0);
ResetGroupItemPos(it0);
UpdateGroupItems(it0);
}
}
else
{
ReflushAllCreatedGroup(realTailIndex - count + 1);
}
}
}
else
{
float curY = Mathf.Clamp(-mContainerTrans.localPosition.y, 0, mMaxLocalPosition.y);
int curIndex = Mathf.FloorToInt(curY / mItemPaddingHeight);
if (mLastHeadGroupIndex == curIndex)
{
return;
}
mLastHeadGroupIndex = curIndex;
int count = mItemGroupList.Count;
int realHeadIndex = curIndex;
if (!isUpScroll)
{
if (mItemGroupList[mItemGroupList.Count - 1].GroupIndex == mTotalItemGroupCount - 1)
{
return;
}
int indexDelta = realHeadIndex - mItemGroupList[0].GroupIndex;
if (indexDelta == 0)
{
return;
}
if (indexDelta > 0 && indexDelta <= mMoreCreateValue)
{
for (int i = 1; i < count; ++i)
{
LoopListItemGroup it = mItemGroupList[i];
if (it.GroupIndex != i + realHeadIndex - indexDelta)
{
ReflushAllCreatedGroup(realHeadIndex);
return;
}
}
for (int i = 1; i <= indexDelta; ++i)
{
LoopListItemGroup it0 = mItemGroupList[0];
if (it0.GroupIndex + count >= mTotalItemGroupCount)
{
break;
}
it0.GroupIndex = it0.GroupIndex + count;
mItemGroupList.RemoveAt(0);
mItemGroupList.Add(it0);
ResetGroupItemPos(it0);
UpdateGroupItems(it0);
}
}
else
{
ReflushAllCreatedGroup(realHeadIndex);
}
}
else
{
if (mItemGroupList[0].GroupIndex == 0)
{
return;
}
float dist = mContentSize.y - mListViewPortSize.y - curY;
int index2 = Mathf.FloorToInt(dist / mItemPaddingHeight);
int realTailIndex = mTotalItemGroupCount - index2 - 1;
int indexDelta = mItemGroupList[count - 1].GroupIndex - realTailIndex;
if (indexDelta == 0)
{
return;
}
if (indexDelta > 0 && indexDelta <= mMoreCreateValue)
{
for (int i = 1; i < count; ++i)
{
LoopListItemGroup it = mItemGroupList[count - i - 1];
if (it.GroupIndex != realTailIndex + indexDelta - i)
{
ReflushAllCreatedGroup(realTailIndex - count + 1);
return;
}
}
for (int i = 1; i <= indexDelta; ++i)
{
LoopListItemGroup it0 = mItemGroupList[count - 1];
if (it0.GroupIndex - count < 0)
{
break;
}
it0.GroupIndex = it0.GroupIndex - count;
mItemGroupList.RemoveAt(count - 1);
mItemGroupList.Insert(0, it0);
ResetGroupItemPos(it0);
UpdateGroupItems(it0);
}
}
else
{
ReflushAllCreatedGroup(realTailIndex - count + 1);
}
}
}
}
