protected override void OnCCDragStart(PointerEventData eventData)
{
if (!m_EnableDrag)
{
return;
}
if (m_InDrag)
{
return;
}
base.OnCCDragStart(eventData);
m_ScrollView.InDrag = true;
m_ScrollView.SetGridEnable(false);
CurMoveType = DragMoveType.None;
DragStartPos = eventData.position;
startSiblingIndex = m_DragTrans.GetComponent <RectTransform> ().GetSiblingIndex();
m_ScrollView.StopMove();
if (!m_EnableMove && m_ScrollView != null)
{
m_ScrollView.OnDragStart(eventData);
}
}
protected override void OnCCDragMove(PointerEventData eventData)
{
if (!m_InDrag)
{
return;
}
if (!m_EnableMove && m_ScrollView != null)
{
m_ScrollView.OnDrag(eventData);
return;
}
if (CurMoveType == DragMoveType.None)
{
CurMoveType = GetMoveType(DragStartPos, eventData.position);
if (CurMoveType == m_ScrollView.DragType)
{
base.OnButtonPress(false);
if (m_ScrollView != null)
{
m_ScrollView.OnDragStart(eventData);
}
}
else if (CurMoveType == m_DefaultDragType)
{
m_DragTrans.SetSiblingIndex(1000);
m_DragTrans.SetParent(m_ScrollView.DragRootObj.transform);
m_DragTrans.position = CCTool.GetScreenToUIWorldPos(eventData.position);
OnStartDarg();
}
}
else
{
if (CurMoveType == m_DefaultDragType)
{
if (m_EnableSetPos)
{
m_DragTrans.position = CCTool.GetScreenToUIWorldPos(eventData.position);
}
}
else
{
m_DragTrans.SetSiblingIndex(startSiblingIndex);
if (m_ScrollView != null)
{
m_ScrollView.OnDrag(eventData);
}
}
}
}
protected DragMoveType GetMoveType(Vector2 start, Vector2 end)
{
if (m_DefaultDragType == DragMoveType.Both)
{
return(DragMoveType.Both);
}
Vector2 dis = end - start;
if (Vector2.SqrMagnitude(dis) > MinOffset)
{
float pAngel = Mathf.Atan2(Mathf.Abs(dis.y), Mathf.Abs(dis.x)) * Mathf.Rad2Deg;
DragMoveType dragType = (pAngel > MaxAngel) ? DragMoveType.Vertical : DragMoveType.Horizontal;
return(dragType);
}
else
{
return(DragMoveType.None);
}
}
public void InitStatus()
{
m_InDrag = false;
CurMoveType = DragMoveType.Both;
}
