public virtual void SetTraget(ItemContainer item)
{
gameObject.SetActive(item != null);
m_item = item;
if(m_item == null)
{
Action = ItemDropAction.None;
}
}
public override void SetTraget(ItemContainer item)
{
base.SetTraget(item);
if(item == null)
{
return;
}
TreeViewItem tvItem = (TreeViewItem)item;
if(tvItem != null)
{
m_siblingGraphicsRectTransform.offsetMin = new Vector2(tvItem.Indent, m_siblingGraphicsRectTransform.offsetMin.y);
}
else
{
m_siblingGraphicsRectTransform.offsetMin = new Vector2(0, m_siblingGraphicsRectTransform.offsetMin.y);
}
}
protected override void Drop(
ItemContainer[] dragItems,
ItemContainer dropTarget,
ItemDropAction action)
{
TreeViewItem treeViewItem = (TreeViewItem)dropTarget;
switch (action)
{
case ItemDropAction.SetLastChild:
for (int index = 0; index < dragItems.Length; ++index)
{
TreeViewItem dragItem = (TreeViewItem)dragItems[index];
if (Object.op_Inequality((Object)treeViewItem, (Object)dragItem))
{
dragItem.Parent = treeViewItem;
}
}
break;
case ItemDropAction.SetPrevSibling:
for (int index = 0; index < dragItems.Length; ++index)
{
this.SetPrevSibling((ItemContainer)treeViewItem, dragItems[index]);
}
break;
case ItemDropAction.SetNextSibling:
for (int index = dragItems.Length - 1; index >= 0; --index)
{
this.SetNextSibling((ItemContainer)treeViewItem, dragItems[index]);
}
break;
}
this.UpdateSelectedItemIndex();
}
public void ChangeParent(object parent, object item)
{
if (this.IsDropInProgress)
{
return;
}
ItemContainer itemContainer1 = this.GetItemContainer(item);
if (Object.op_Equality((Object)itemContainer1, (Object)null))
{
return;
}
ItemContainer itemContainer2 = this.GetItemContainer(parent);
ItemContainer[] dragItems = new ItemContainer[1]
{
itemContainer1
};
if (!this.CanDrop(dragItems, itemContainer2))
{
return;
}
this.Drop(dragItems, itemContainer2, ItemDropAction.SetLastChild);
}