//ItemIsInvisible相同的函数，主要是协程调试不方便
public void TestItemIsInvisible(int itemNumber)
{
if (isUpdatingList)
{
return;
}
isUpdatingList = true;
if (m_nTotalDataCount > poolSize)// we need to do something "smart"...
{
Transform item = itemsPool[itemNumber];
int itemDataIndex = item.GetComponent <InfiniteItemBehavior>().itemDataIndex;
int indexToCheck = 0;
InfiniteItemBehavior infItem = null;
if (dataTracker.ContainsKey(itemDataIndex + 1))
{
infItem = itemsPool[(int)(dataTracker[itemDataIndex + 1])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && infItem.verifyVisibility()))
{
// dragging upwards (scrolling down)
indexToCheck = itemDataIndex - (extraBuffer / 2);
if (dataTracker.ContainsKey(indexToCheck))
{
//do we have an extra item(s) as well?
for (int i = indexToCheck; i >= 0; i--)
{
if (dataTracker.ContainsKey(i))
{
infItem = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && !infItem.verifyVisibility()))
{
item = itemsPool[(int)(dataTracker[i])];
if ((i) + poolSize < m_nTotalDataCount && i > -1)
{
PrepareListItemWithIndex(item, i + poolSize, i);
}
}
}
else
{
scrollCursor = itemDataIndex - 1;
break;
}
}
}
}
}
if (dataTracker.ContainsKey(itemDataIndex - 1))
{
infItem = itemsPool[(int)(dataTracker[itemDataIndex - 1])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && infItem.verifyVisibility()))
{
//dragging downwards check the item below
indexToCheck = itemDataIndex + (extraBuffer / 2);
if (dataTracker.ContainsKey(indexToCheck))
{
// if we have an extra item
for (int i = indexToCheck; i < m_nTotalDataCount; i++)
{
if (dataTracker.ContainsKey(i))
{
infItem = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && !infItem.verifyVisibility()))
{
item = itemsPool[(int)(dataTracker[i])];
if ((i) - poolSize > -1 && (i) < m_nTotalDataCount)
{
PrepareListItemWithIndex(item, i - poolSize, i);
}
}
}
else
{
scrollCursor = itemDataIndex + 1;
break;
}
}
}
}
}
}
isUpdatingList = false;
}
public IEnumerator ItemIsInvisible(int itemNumber)
{
if (isUpdatingList)
{
yield return(null);
}
isUpdatingList = true;
if (dataList.Count > poolSize) // we need to do something "smart"...
{
Transform item = itemsPool[itemNumber];
int itemDataIndex = 0;
if (item.tag.Equals(listItemTag))
{
itemDataIndex = item.GetComponent <InfiniteItemBehavior>().itemDataIndex;
}
if (item.tag.Equals(listSectionTag))
{
itemDataIndex = item.GetComponent <InfiniteSectionBehavior>().itemDataIndex;
}
int indexToCheck = 0;
InfiniteItemBehavior infItem = null;
InfiniteSectionBehavior infSection = null;
if (dataTracker.ContainsKey(itemDataIndex + 1))
{
infItem = itemsPool[(int)(dataTracker[itemDataIndex + 1])].GetComponent <InfiniteItemBehavior>();
infSection = itemsPool[(int)(dataTracker[itemDataIndex + 1])].GetComponent <InfiniteSectionBehavior>();
if ((infItem != null && infItem.verifyVisibility()) || (infSection != null && infSection.verifyVisibility()))
{
// dragging upwards (scrolling down)
indexToCheck = itemDataIndex - (extraBuffer / 2);
if (dataTracker.ContainsKey(indexToCheck))
{
//do we have an extra item(s) as well?
for (int i = indexToCheck; i >= 0; i--)
{
if (dataTracker.ContainsKey(i))
{
infItem = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteItemBehavior>();
infSection = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteSectionBehavior>();
if ((infItem != null && !infItem.verifyVisibility()) || (infSection != null && !infSection.verifyVisibility()))
{
item = itemsPool[(int)(dataTracker[i])];
if ((i) + poolSize < dataList.Count && i > -1)
{
// is it a section index?
if (sectionsIndices.Contains(i + poolSize))
{
// change item to section
ChangeItemToSection(item, i + poolSize, i);
}
else if (item.tag.Equals(listSectionTag))
{
// change section to item
ChangeSectionToItem(item, i + poolSize, i);
}
else
{
PrepareListItemWithIndex(item, i + poolSize, i);
}
}
}
}
else
{
scrollCursor = itemDataIndex - 1;
break;
}
}
}
}
}
if (dataTracker.ContainsKey(itemDataIndex - 1))
{
infItem = itemsPool[(int)(dataTracker[itemDataIndex - 1])].GetComponent <InfiniteItemBehavior>();
infSection = itemsPool[(int)(dataTracker[itemDataIndex - 1])].GetComponent <InfiniteSectionBehavior>();
if ((infItem != null && infItem.verifyVisibility()) || (infSection != null && infSection.verifyVisibility()))
{
//dragging downwards check the item below
indexToCheck = itemDataIndex + (extraBuffer / 2);
if (dataTracker.ContainsKey(indexToCheck))
{
// if we have an extra item
for (int i = indexToCheck; i < dataList.Count; i++)
{
if (dataTracker.ContainsKey(i))
{
infItem = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteItemBehavior>();
infSection = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteSectionBehavior>();
if ((infItem != null && !infItem.verifyVisibility()) || (infSection != null && !infSection.verifyVisibility()))
{
item = itemsPool[(int)(dataTracker[i])];
if ((i) - poolSize > -1 && (i) < dataList.Count)
{
// is it a section index?
if (sectionsIndices.Contains(i - poolSize))
{
// change item to section
ChangeItemToSection(item, i - poolSize, i);
}
else if (item.tag.Equals(listSectionTag))
{
// change section to item
ChangeSectionToItem(item, i - poolSize, i);
}
else
{
PrepareListItemWithIndex(item, i - poolSize, i);
}
}
}
}
else
{
scrollCursor = itemDataIndex + 1;
break;
}
}
}
}
}
}
isUpdatingList = false;
}
public IEnumerator ItemIsInvisible(int itemNumber)
{
if (isUpdatingList)
{
yield return(null);
}
isUpdatingList = true;
if (m_nTotalDataCount > poolSize)// we need to do something "smart"...
{
Transform item = itemsPool[itemNumber];
int itemDataIndex = item.GetComponent <InfiniteItemBehavior>().itemDataIndex;
int indexToCheck = 0;
InfiniteItemBehavior infItem = null;
if (dataTracker.ContainsKey(itemDataIndex + 1))
{
//Debug.LogError("1 itemNumber = " + itemNumber + " data idx " + itemDataIndex);
infItem = itemsPool[(int)(dataTracker[itemDataIndex + 1])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && infItem.verifyVisibility()))
{
// dragging upwards (scrolling down)
indexToCheck = itemDataIndex - (extraBuffer / 2);
if (dataTracker.ContainsKey(indexToCheck))
{
// Debug.LogError("indexToCheck1 = " + indexToCheck.ToString());
//do we have an extra item(s) as well?
for (int i = 0; i <= indexToCheck; i++)
{
if (dataTracker.ContainsKey(i))
{
infItem = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && !infItem.verifyVisibility()))
{
item = itemsPool[(int)(dataTracker[i])];
if ((i) + poolSize < m_nTotalDataCount && i > -1)
{
PrepareListItemWithIndex(item, i + poolSize, i);
}
}
}
}
}
}
}
if (dataTracker.ContainsKey(itemDataIndex - 1))
{
//Debug.LogError("2 itemNumber = " + itemNumber + " data idx " + itemDataIndex);
infItem = itemsPool[(int)(dataTracker[itemDataIndex - 1])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && infItem.verifyVisibility()))
{
//dragging downwards check the item below
indexToCheck = itemDataIndex + (extraBuffer / 2);
if (dataTracker.ContainsKey(indexToCheck))
{
// Debug.LogError("indexToCheck2 " + indexToCheck.ToString());
// if we have an extra item
for (int i = m_nTotalDataCount - 1; i >= indexToCheck; i--)
{
if (dataTracker.ContainsKey(i))
{
infItem = itemsPool[(int)(dataTracker[i])].GetComponent <InfiniteItemBehavior>();
if ((infItem != null && !infItem.verifyVisibility()))
{
item = itemsPool[(int)(dataTracker[i])];
if ((i) - poolSize > -1 && (i) < m_nTotalDataCount)
{
PrepareListItemWithIndex(item, i - poolSize, i);
}
}
}
}
}
}
}
}
isUpdatingList = false;
}