void RebuildContent()
{
var contentRect = Content.rectTransform;
int childCount = contentRect.childCount;
int childIndex = 0;
int itemIndex = 0;
int itemCount = items.Count;
selectedItem = null;
while (childIndex < childCount && itemIndex < itemCount)
{
var child = contentRect.GetChild(childIndex);
var itemView = child.GetComponent <TreeItemView>();
itemView.Item(items[itemIndex], itemIndex);
++childIndex;
++itemIndex;
}
while (childIndex < childCount)
{
var go = contentRect.GetChild(childIndex++).gameObject;
Destroy(go);
}
while (itemIndex < itemCount)
{
Content
.Add <TreeItemView>()
.Item(items[itemIndex], itemIndex)
.OnStateChanged((int i, bool o) => onStateChanged.Invoke(i, o))
.OnClick((int i) => onClick.Invoke(i))
.FlexibleLayout(true, false)
.Finish();
++itemIndex;
}
}
public TreeView SelectItem(int index)
{
var contentRect = Content.rectTransform;
int childCount = contentRect.childCount;
if (selectedItem != null)
{
selectedItem.OnDeselect();
}
if (index >= 0 && index < childCount)
{
var child = contentRect.GetChild(index);
selectedItem = child.GetComponent <TreeItemView>();
selectedItem.OnSelect();
}
return(this);
}
