private void AttachDraggedItem()
{
int itemIndex = m_targetItemIndex;
SortableList sortableList = m_targetList;
if (!sortableList)
{
sortableList = m_sourceList;
}
if (m_targetList == null)
{
m_targetList = m_sourceList;
itemIndex = m_sourceItemIndex;
}
m_targetList.DetachItem(m_mockItem, m_targetList.canvas.transform);
m_mockItem.gameObject.SetActive(false);
sortableList.AttachItem(m_draggedItem, itemIndex);
m_draggedItem = null;
m_targetList = null;
m_targetItemIndex = -1;
m_sourceList = null;
m_sourceItemIndex = -1;
}
public void Unregister(SortableList sortableList)
{
if (m_sortableLists.Contains(sortableList))
{
m_sortableLists.Remove(sortableList);
sortableList.OnListItemReleased += OnListItemReleased;
}
}
public void Register(SortableList sortableList)
{
if (!m_sortableLists.Contains(sortableList))
{
m_sortableLists.Add(sortableList);
sortableList.OnListItemPressed += OnListItemPressed;
}
}
private void OnListItemReleased(SortableList SortableList, SortableListItem sortableListItem)
{
m_sourceList = null;
m_draggedItem = null;
m_dragPrepping = false;
m_pressTime0 = 0;
m_pressPosition0 = Vector3.zero;
}
private void OnListItemPressed(SortableList sortableList, SortableListItem sortableListItem)
{
m_sourceList = sortableList;
m_draggedItem = sortableListItem;
m_sourceItemIndex = m_draggedItem.transform.GetSiblingIndex();
m_dragPrepping = true;
m_pressTime0 = Time.time;
m_pressPosition0 = Input.mousePosition;
}
private void UpdateActiveList()
{
if (m_dragActivated == false)
{
return;
}
if (m_draggedItem == null)
{
return;
}
bool activeList = false;
foreach (SortableList sortableList in m_sortableLists)
{
if (IsMouseOverRectTransform(sortableList.transform as RectTransform))
{
bool listChanged = m_targetList != sortableList;
activeList = true;
m_targetList = sortableList;
if (listChanged)
{
CacheListItemCorners();
}
break;
}
}
if (m_targetList == null)
{
return;
}
m_mockItem.gameObject.SetActive(true);
if (m_mockItem == null || m_mockItem.layoutElement == null)
{
return;
}
int prevIndex = m_targetItemIndex;
int itemNewIndex = 0;
foreach (Rect rect in m_cornersList)
{
if (IsMouseOverRect(rect))
{
break;
}
itemNewIndex++;
}
m_mockItem.layoutElement.minWidth = m_draggedItem.layoutElement.minWidth;
m_mockItem.layoutElement.minHeight = m_draggedItem.layoutElement.minHeight;
m_mockItem.layoutElement.preferredWidth = m_draggedItem.layoutElement.preferredWidth;
m_mockItem.layoutElement.preferredHeight = m_draggedItem.layoutElement.preferredHeight;
m_targetItemIndex = itemNewIndex;
if (!activeList)
{
m_targetItemIndex = m_sourceItemIndex;
m_targetList = m_sourceList;
m_targetList.DetachItem(m_mockItem, m_targetList.canvas.transform);
m_targetList = null;
return;
}
//if (prevIndex == m_targetItemIndex) return;
m_targetList.AttachItem(m_mockItem, m_targetItemIndex);
m_sourceList.UpdateContentSize();
}