void OnDestroy()
{
m_ScrollRect = null;
m_Content = null;
m_ItemPrefab = null;
onRefreshCallBack = null;
listItem.Clear();
unUseItem.Clear();
listItem = null;
unUseItem = null;
}
public void SetCallBack(ScrollViewRefreshCallBack callback)
{
this.callBack = callback;
}
public void UpdateScrollView <T>(IList datas, GameObject prefab, ScrollViewRefreshCallBack callback = null) where T : MonoBehaviour
{
onRefreshCallBack = callback;
if (m_ScrollRect == null || m_Content == null || datas == null)
{
Debug.LogError("参数错误");
return;
}
ScrollTo(1, 0);
_datas = datas;
CellWidth = prefab.GetComponent <RectTransform>().rect.width;
CellHeight = prefab.GetComponent <RectTransform>().rect.height;
// m_ItemPrefab = GameObject.Instantiate(prefab) as GameObject;
// m_ItemPrefab.AddComponent<T>();
if (prefab.GetComponent <T>() == null)
{
prefab.AddComponent <T>();
}
m_ItemPrefab = prefab;
if (alignment == Alignment.eHorizontal)
{
ViewCount = Mathf.CeilToInt(transform.parent.GetComponent <RectTransform>().rect.width / CellWidth) + 1;
}
else
{
ViewCount = Mathf.CeilToInt(transform.parent.GetComponent <RectTransform>().rect.height / CellHeight) + 1;
}
if (datas.Count <= 0)
{
return;
}
setDataCount(datas.Count);
m_ScrollRect.onValueChanged.RemoveAllListeners();
m_ScrollRect.onValueChanged.AddListener(onValueChanged);
unUseItem.Clear();
listItem.Clear();
if (alignment == Alignment.eHorizontal && cellAlignMent == CellAlignMent.eCenter)
{
setUpdateRectItem(0);
if (ViewCount > datas.Count / CountOfCol)
{
transform.localPosition = new Vector3(transform.localPosition.x + ((transform.GetComponent <RectTransform>().rect.width - m_Content.GetComponent <RectTransform>().rect.width) / 2), transform.localPosition.y);
}
else
{
transform.localPosition = Vector3.zero;
}
m_ScrollRect.content.position = new Vector3(m_ScrollRect.content.position.x - m_Content.GetComponent <RectTransform>().rect.width / 2 + transform.GetComponent <RectTransform>().rect.width / 2f, m_ScrollRect.content.position.y);
setUpdateRectItem(getCurScrollPerLineIndex());
}
else if (alignment == Alignment.eVertical && cellAlignMent == CellAlignMent.eCenter)
{
setUpdateRectItem(0);
if (ViewCount > datas.Count / CountOfCol)
{
transform.localPosition = new Vector3(transform.localPosition.x, transform.localPosition.y - ((transform.GetComponent <RectTransform>().rect.height - m_Content.GetComponent <RectTransform>().rect.height) / 2));
}
else
{
transform.localPosition = Vector3.zero;
}
m_ScrollRect.content.position = new Vector3(m_ScrollRect.content.position.x, m_ScrollRect.content.position.y + m_Content.GetComponent <RectTransform>().rect.height / 2 - transform.GetComponent <RectTransform>().rect.height / 2f);
setUpdateRectItem(getCurScrollPerLineIndex());
}
else
{
setUpdateRectItem(0);
}
}
