public void UpdateState()
{
ScrollElement element = Last.Next; //First;
for (int i = 0; i < instantateItemCount; i++)
{
//Debug.Log(box.ID);
if (element.ID >= 0 && element.ID < dataList.Count)
{
element.Set(dataList[element.ID]);
}
else
{
element.SetActive(false);
}
element = element.Next;
}
}
void Init()
{
//scrollRect 초기화
scrollRect.horizontal = false;
scrollRect.vertical = true;
scrollRect.content = container;
scrollRect.scrollSensitivity = 50;
length = viewPort.rect.height / 5f;
instantateItemCount = 7;
beforeAnchoredPos = anchoredPosition;
lastItemNo = instantateItemCount - 1;
for (int i = 0; i < instantateItemCount; i++)
{
ScrollElement element = MakeNewElement(i);
AddElement(element, i);
element.SetActive(false);
}
}
public void AddElement(ScrollElement element, int i)
{
element.ID = i;
element.gameObject.SetActive(true);
((RectTransform)element.transform).anchoredPosition = new Vector2(0, length * -i);
if (First != null)
{
Last.Next = element;
First.Prev = element;
element.Prev = Last;
element.Next = First;
Last = element;
}
else
{
First = Last = element;
}
}
ScrollElement MakeNewElement(int i)
{
RectTransform item = Instantiate(elementPrefab) as RectTransform;
item.SetParent(container, false);
Vector2 s = item.sizeDelta;
s.x = 0;
s.y = length;
item.sizeDelta = s;
ScrollElement element = item.gameObject.AddComponent <ScrollElement>();
element.Init(item.GetComponentInChildren <Text>());
item.GetComponent <Button>().onClick.AddListener(element.Invoke);
item.transform.GetChild(1).GetComponent <Button>().onClick.AddListener(() =>
{
element.Delete();
RefreshList();
});
element.ID = i;
return(element);
}
public void OnValueChanged()
{
//가장 위쪽
if (anchoredPosition > maxPosition) // 잘 안되면 아이템 리스트 첫번째 좌표값이 minpos보다 작거나 같을때로 변경
{
container.anchoredPosition = new Vector2(container.anchoredPosition.x, maxPosition);
scrollRect.velocity = Vector2.zero;
//return;
}
//가장 아래쪽
else if (anchoredPosition < minPosition) // 악보 가장 오른쪽
{
container.anchoredPosition = new Vector2(container.anchoredPosition.x, minPosition);
scrollRect.velocity = Vector2.zero;
//return;
}
delta = beforeAnchoredPos - anchoredPosition;
beforeAnchoredPos = anchoredPosition;
//요소들이 아래로 감. 아래로 스크롤. 끝에 있는놈이 처음으로 와야 함.
if (delta > 0)
{
//diff가 anchoredPosition이 될 때까지 length를 계속 뺌.
while (anchoredPosition < diffPreFramePosition) //-bitGap* 2 /* &&lastItemNo < DataManager.bitNum*/)
{
diffPreFramePosition -= length;
Last.ID = lastItemNo - instantateItemCount;
if (Last.ID >= 0 && Last.ID < dataList.Count)
{
Last.Set(dataList[Last.ID]);
}
/*if(Last.ID >= 0)
* {
* Last.Set(Last.ID);
* }*/
else
{
Last.SetActive(false);
}
((RectTransform)Last.transform).anchoredPosition = -Vector2.up * (length * Last.ID);
Last = Last.Prev;
lastItemNo--;
}
}
else if (delta < 0)
{
//요소들이 위로 감. 위로 스크롤. 처음에 있는 놈들이 끝으로 가야 됨.
while (anchoredPosition > diffPreFramePosition + length /*&& firstItemNo > 0*/)
{
diffPreFramePosition += length;
lastItemNo++;
First = Last.Next;
First.ID = lastItemNo;
if (First.ID < dataList.Count)
{
First.Set(dataList[First.ID]);
}
/*if (First.ID < dataList.Count)
* {
* First.Set(First.ID);
* }*/
else
{
First.SetActive(false);
}
((RectTransform)First.transform).anchoredPosition = -Vector2.up * (length * First.ID);
Last = Last.Next;
}
}
}