/// <summary>
/// 强制重新刷新界面Item,保持原来的Item排版（如果Item数量有变更，必须传入Item数量）
/// </summary>
/// <param name="pItemCount"></param>
public void ForceRefreshItem(int pItemCount = -1)
{
if (isNoneScrollView)
{
return;
}
if (pItemCount != -1)
{
itemCount = pItemCount;
}
if (childCount == 0)
{
MoveToItemByIndex(0);
return;
}
DisableSpringPanel();
MoveOverBoundsItemToCache();
T tFirst = null;
switch (movement)
{
case UIScrollView.Movement.Horizontal:
tFirst = UIRecycleTableExtension.FindCustom <T, float>(itemControllers, x => x.itemTransform.localPosition.x, true);
break;
case UIScrollView.Movement.Vertical:
tFirst = UIRecycleTableExtension.FindCustom <T, float>(itemControllers, x => x.itemTransform.localPosition.y, false);
break;
}
if (tFirst == null)
{
return;
}
MoveAllItemToCache();
var tBounds = tFirst.recycleTablInfo.bounds;
tBounds.center += tFirst.itemTransform.localPosition;
moveToItemByIndex(tFirst.recycleTablInfo.dataIndex, tBounds);
}
/// <summary>
/// Panel裁剪时触发
/// </summary>
/// <param name="pPanel"></param>
protected void OnClipMove(UIPanel pPanel)
{
if (isNoneScrollView || itemCount == 0)
{
return;
}
var tPanelOffset = Vector3.zero;
var tAddItemDirection = CalculateAddItemDirection(out tPanelOffset);
var tIsLeft = tAddItemDirection == Direction.Left;
var tIsBottom = tAddItemDirection == Direction.Bottom;
var tIsRight = tAddItemDirection == Direction.Right;
var tIsTop = tAddItemDirection == Direction.Top;
if (tIsLeft || tIsTop)
{
AddItem(tIsLeft ? Direction.Left : tIsTop?Direction.Top: Direction.None);
var tIsTopOrLeft = false;
var tFirstItemCtrl = UIRecycleTableExtension.Find(itemControllers, x => x.recycleTablInfo.dataIndex == 0);
var tFirstBounds = new Bounds();
if (tFirstItemCtrl != null)
{
tFirstBounds = tFirstItemCtrl.recycleTablInfo.bounds;
tFirstBounds.center += tFirstItemCtrl.itemTransform.localPosition + scrollViewTrans.localPosition;
tIsTopOrLeft = tIsLeft ? tFirstBounds.min.x > panelBounds.min.x : tIsTop ? tFirstBounds.max.y < panelBounds.max.y : tIsTopOrLeft;
}
var tInfo = new RecycleTableDragInfo <T>()
{
restrictScrollView = tIsTopOrLeft,
panelOffset = tPanelOffset,
dragDirection = Direction.Top | Direction.Left,
instant = false,
movement = movement,
};
if (scrollView.isDragging)
{
dragInfo = tInfo;
if (!tIsTopOrLeft)
{
MoveOverBoundsItemToCache();
}
}
else if (tIsTopOrLeft)
{
RestrictWithinBounds(tInfo);
}
else
{
MoveOverBoundsItemToCache(false);
}
}
else if (tIsRight || tIsBottom)
{
AddItem(tIsRight ? Direction.Right : tIsBottom?Direction.Bottom: Direction.None);
var tIsBottomOrRight = false;
var tLastItemCtrl = UIRecycleTableExtension.Find(itemControllers, x => x.recycleTablInfo.dataIndex == itemCount - 1);
var tLastBounds = new Bounds();
if (tLastItemCtrl != null)
{
tLastBounds = tLastItemCtrl.recycleTablInfo.bounds;
tLastBounds.center += tLastItemCtrl.itemTransform.localPosition + scrollViewTrans.localPosition;
tIsBottomOrRight = tIsRight ? tLastBounds.max.x <panelBounds.max.x : tIsBottom?tLastBounds.min.y> panelBounds.min.y : tIsBottomOrRight;
}
var tInfo = new RecycleTableDragInfo <T>()
{
restrictScrollView = tIsBottomOrRight,
panelOffset = tPanelOffset,
dragDirection = Direction.Bottom | Direction.Right,
instant = false,
movement = movement,
};
if (scrollView.isDragging)
{
dragInfo = tInfo;
if (!tIsBottomOrRight)
{
MoveOverBoundsItemToCache();
}
}
else if (tIsBottomOrRight)
{
RestrictWithinBounds(tInfo);
}
else
{
MoveOverBoundsItemToCache(false);
}
}
}
/// <summary>
/// 添加Item
/// </summary>
/// <param name="pDirection"></param>
protected void AddItem(Direction pDirection)
{
if (pDirection == Direction.None)
{
return;
}
if (itemControllers == null || itemControllers.Count == 0)
{
return;
}
T tTempItemCtrl = null;
var tDataIndex = 0;
switch (pDirection)
{
case Direction.Right:
case Direction.Bottom:
tTempItemCtrl = UIRecycleTableExtension.FindCustom <T, float>(itemControllers, x => x.recycleTablInfo.dataIndex, false);
tDataIndex = tTempItemCtrl.recycleTablInfo.dataIndex + 1;
if (tDataIndex >= itemCount)
{
return;
}
break;
case Direction.Left:
case Direction.Top:
tTempItemCtrl = UIRecycleTableExtension.FindCustom <T, float>(itemControllers, x => x.recycleTablInfo.dataIndex, true);
tDataIndex = tTempItemCtrl.recycleTablInfo.dataIndex - 1;
if (tDataIndex < 0)
{
return;
}
break;
}
if (tTempItemCtrl == null)
{
return;
}
var tItemCtrl = GetItemControllerByCache(tDataIndex);
onUpdateItem(tItemCtrl, tDataIndex);
var tTempItemBounds = NGUIMath.CalculateRelativeWidgetBounds(tTempItemCtrl.itemTransform);
tTempItemBounds.center += tTempItemCtrl.itemTransform.localPosition;
var tItemBounds = NGUIMath.CalculateRelativeWidgetBounds(tItemCtrl.itemTransform);
var tInfo = tItemCtrl.recycleTablInfo;
tInfo.bounds = tItemBounds;
tItemCtrl.recycleTablInfo = tInfo;
var tItemOffset = 0F;
switch (pDirection)
{
case Direction.Left:
case Direction.Bottom:
switch (movement)
{
case UIScrollView.Movement.Horizontal:
tItemOffset = tTempItemBounds.min.x - tItemBounds.max.x - itemIntervalPixel;
break;
case UIScrollView.Movement.Vertical:
tItemOffset = tTempItemBounds.min.y - tItemBounds.max.y - itemIntervalPixel;
break;
}
break;
case Direction.Right:
case Direction.Top:
switch (movement)
{
case UIScrollView.Movement.Horizontal:
tItemOffset = tTempItemBounds.max.x - tItemBounds.min.x + itemIntervalPixel;
break;
case UIScrollView.Movement.Vertical:
tItemOffset = tTempItemBounds.max.y - tItemBounds.min.y + itemIntervalPixel;
break;
}
break;
}
switch (movement)
{
case UIScrollView.Movement.Horizontal:
tItemCtrl.itemTransform.SetLocalPos(tItemOffset, 0);
break;
case UIScrollView.Movement.Vertical:
tItemCtrl.itemTransform.SetLocalPos(0, tItemOffset);
break;
}
mCalculatedBounds = true;
}
