public void MoveViewTo(int cellIndex)
{
if (_scrollOrientation == ScrollOrientation.Vertical)
{
ScrollViewCellInfo cellInfo = _cellInfos.Find(ci => ci.index == cellIndex);
if (cellInfo == null)
{
Debug.LogWarningFormat("Cell index ({0}) is out of range [0, {1}]", cellIndex, _cellInfos.Count - 1);
return;
}
float halfViewPortHeight = _viewportHeight / 2;
float contentHeight = _viewContent.sizeDelta.y;
float movableContentHeight = contentHeight - _viewportHeight;
float cellCenterPosY = cellInfo.position + cellInfo.size / 2;
float normalizeHeight = (cellCenterPosY - halfViewPortHeight) / movableContentHeight;
normalizeHeight = 1.0f - Mathf.Clamp01(normalizeHeight);
_scrollRect.normalizedPosition = new Vector2(0, normalizeHeight);
}
else if (_scrollOrientation == ScrollOrientation.Horizontal)
{
}
if (gameObject.activeInHierarchy)
{
OnScrollRectChanged(Vector2.zero);
}
}
protected void AddActiveCell(ScrollViewCellInfo cellInfo, bool isFirst = false)
{
ScrollViewCell cell = _delegate.ScrollCellCreated(cellInfo.index);
cell.info = cellInfo;
if (_scrollOrientation == ScrollOrientation.Vertical)
{
cell.SetTopPositionAndHeight(cellInfo.position, cellInfo.size);
}
else if (_scrollOrientation == ScrollOrientation.Horizontal)
{
}
if (isFirst)
{
_activeCells.Insert(0, cell);
}
else
{
_activeCells.Add(cell);
}
_delegate.ScrollCellWillDisplay(cell);
}
protected bool IsCellInsideViewPort(ScrollViewCellInfo cellInfo)
{
float topViewContent = 0;
float bottomViewContent = _viewportHeight;
float topCell = cellInfo.position - _contentOffsetMax.y;
float bottomCell = cellInfo.position + cellInfo.size - _contentOffsetMax.y;
return(!(topCell > bottomViewContent || bottomCell < topViewContent));
}
void RecreateCellInfo()
{
_poolCellInfo.Return(_cellInfos);
_cellInfos.Clear();
int cellCount = _delegate.ScrollCellCount();
for (int i = 0; i < cellCount; i++)
{
ScrollViewCellInfo cellInfo = _poolCellInfo.Get();
cellInfo.index = i;
cellInfo.size = _delegate.ScrollCellSize(cellInfo.index);
_cellInfos.Add(cellInfo);
}
}
public void AddCell(bool isFirst = false)
{
ScrollViewCellInfo cellInfo = _poolCellInfo.Get();
LazyGetViewportHeight();
if (isFirst)
{
cellInfo.index = 0;
cellInfo.position = 0;
cellInfo.size = _delegate.ScrollCellSize(cellInfo.index);
CalculateCellPosition();
DeactiveAllCell();
UpdateCellVisibility();
}
else
{
cellInfo.index = _cellInfos.Count;
cellInfo.size = _delegate.ScrollCellSize(cellInfo.index);
if (_cellInfos.Count > 0)
{
ScrollViewCellInfo lastCellInfo = _cellInfos[_cellInfos.Count - 1];
cellInfo.position = lastCellInfo.position + lastCellInfo.size + _spacing;
}
else
{
cellInfo.position = _headerSpace;
}
}
_cellInfos.Add(cellInfo);
float newViewContentSize = UpdateViewContent();
// If viewContentSize > _viewportheight, OnScrollMoveDown will be called automatically
if (gameObject.activeInHierarchy && newViewContentSize < _viewportHeight)
{
if (IsCellInsideViewPort(cellInfo))
{
AddActiveCell(cellInfo, isFirst);
}
}
}
