private NodeItem GetItem(CanvasData.Node node)
{
NodeItem value;
if (nodeDictionary.TryGetValue(node, out value))
{
return(value);
}
return(null);
}
private NodeItem AddItem(CanvasData.Node node)
{
// create view
var view = viewPool.GetViewObject(node.prefab);
// set as child
var rt = view.GetComponent <RectTransform>();
rt.SetParent(contentRT, false);
// set pos and size
rt.anchoredPosition = node.anchoredPosition;
rt.sizeDelta = node.sizeDelta;
rt.rotation = Quaternion.Euler(0f, 0f, node.rotation);
// active view if not
if (!view.activeSelf)
{
view.SetActive(true);
}
if (!string.IsNullOrEmpty(node.metadata))
{
var serializableCanvasNode = view.GetComponent <ISerializableCanvasNode>();
Assert.IsNotNull(serializableCanvasNode);
// deserialize metadata
serializableCanvasNode.Deserialize(node.metadata);
}
// create item
var item = nodeItemPool.GetObject();
item.node = node;
item.transform = rt;
// add it
nodeDictionary.Add(node, item);
nodeItemList.Add(item);
if (NodeItemAdded != null)
{
// raise event
NodeItemAdded.Invoke(item);
}
return(item);
}
private void RemoveItem(CanvasData.Node node)
{
var item = nodeDictionary[node];
// get view
var view = item.transform.gameObject;
// release view
viewPool.ReleaseViewObject(view);
// remove it
nodeDictionary.Remove(node);
nodeItemList.Remove(item);
if (NodeItemRemoved != null)
{
// raise event
NodeItemRemoved.Invoke(item);
}
// release item
nodeItemPool.PutObject(item);
}
public void Reset()
{
node = null;
transform = null;
referencedCount = 0;
}