public void ShowLen(int len_, int jumpTo_ = -1, JumpPosType jumpType_ = JumpPosType.CENTER)
{
if (tmp_seq == null)
{
tmp_seq = new List <int>();
}
ShowList(ListUtil.GenSequence(len_, 1, 1, tmp_seq), jumpTo_, jumpType_);
}
public void ShowList(IList dataList_, int jumpTo_ = -1, JumpPosType jumpType_ = JumpPosType.CENTER)
{
m_dataList = dataList_;
m_item2data.Clear(); //清除原来的数据
GenLayoutItems(m_dataList.Count);
RefreshContentSize(); //修改content尺寸
if (jumpTo_ >= 0)
{
JumpToIndex(jumpTo_, jumpType_);
}
__ShowList();
m_dataLenLast = m_dataList.Count;
}
/// <summary>
/// 跳转到指定序号
/// </summary>
/// <param name="index_"></param>
/// <param name="posType_"></param>
/// <returns></returns>
public bool JumpToIndex(int index_, JumpPosType posType_)
{
//if (!m_scrollView.NeedScroll())
// //不需要滚动
// return false;
if (index_ < 0 || index_ > m_dataList.Count - 1)
{
//超出数据范围
return(false);
}
Vector2 contentPos = m_contentTrans.anchoredPosition;
Vector2 maskSize = m_scrollView.maskTrans.sizeDelta;
LayoutItem layoutItem = GetLayoutItem(index_);
Rect rect = layoutItem.rect;
KScrollView.ScrollDir dir = direction;
if (dir == KScrollView.ScrollDir.vertical)
{
float yMin = 0;
float yMax = m_contentSize.y - maskSize.y;
float y;
switch (posType_)
{
case JumpPosType.TOP:
//列表项位于顶部
y = -rect.yMax; //y是负数
break;
case JumpPosType.CENTER:
//列表项位于中间
y = -rect.center.y - maskSize.y * 0.5f;
break;
default:
//列表项位于底部
y = -rect.yMin - maskSize.y;
break;
}
contentPos.y = Mathf.Clamp(y, yMin, yMax);
}
else
{
float xMin = maskSize.x - m_contentSize.x;
float xMax = 0;
float x;
switch (posType_)
{
case JumpPosType.TOP:
//列表项位于顶部
x = -rect.xMin;
break;
case JumpPosType.CENTER:
//列表项位于中间
x = -rect.center.x + maskSize.x * 0.5f;
break;
default:
//列表项位于底部
x = -rect.xMax + maskSize.x;
break;
}
contentPos.x = Mathf.Clamp(x, xMin, xMax);
}
m_scrollView.StopMovement(); //停止滑动
m_contentTrans.anchoredPosition = contentPos;
return(true);
}
