private void Awake()
{
m_scrollRect = GetComponent <ScrollRect>();
m_draggableElement = null;
m_draggableElementBlank = null;
m_draggableElementIndex = -1;
m_canDragElements = m_elementPrefab is BaseDraggableListElement;
m_canAnimateElements = m_elementPrefab is BaseAnimatedListElement;
m_showAnimationWasPlayed = false;
if (m_scrollRect != null)
{
m_content = m_scrollRect.content != null ? m_scrollRect.content : transform as RectTransform;
m_viewport = m_scrollRect.viewport != null ? m_scrollRect.viewport : transform as RectTransform;
m_scrollVertical = m_scrollRect.vertical;
m_scrollHorizontal = m_scrollRect.horizontal;
}
else
{
m_content = transform as RectTransform;
m_viewport = transform as RectTransform;
m_scrollVertical = false;
m_scrollHorizontal = false;
}
}
public void ElementPressHandler(BaseDraggableListElement element)
{
if (!m_canDragElements)
{
return;
}
m_contentStartPosition = m_content.anchoredPosition;
}
private void ElementCanStartDragHandler(BaseDraggableListElement element)
{
if (!m_canDragElements)
{
return;
}
var contentDistance = (m_contentStartPosition - m_content.anchoredPosition).magnitude;
if (contentDistance < m_dragTolerance)
{
m_draggableElementIndex = element.transform.GetSiblingIndex();
m_draggableElement = element;
element.transform.SetParent(m_viewport);
CreateDraggableElementBlank(element);
element.StartDrag();
SetScrollActive(false);
}
}
private void ElementCanEndDragHandler(BaseDraggableListElement element)
{
if (!m_canDragElements)
{
return;
}
if (m_draggableElement != null)
{
var blankIndex = m_draggableElementBlank.GetSiblingIndex();
Destroy(m_draggableElementBlank.gameObject);
m_draggableElementBlank = null;
m_draggableElement.transform.SetParent(m_content);
m_draggableElement = null;
property.Move(element.data, blankIndex);
element.EndDrag();
SetScrollActive(true);
}
}
