private void _cacheRoute(string route, UIElementNode listener)
{
if (!_cache.ContainsKey(route))
{
_cache.Add(route, new List <UIElementNode> ());
}
_cache [route].Add(listener);
}
/**
* Adds and caches an element
*/
internal UIRouter Add(UIElementNode listener)
{
if (listener != null)
{
_processNode(listener);
}
else
{
Debug.LogError("Null listener passed.");
}
return(this);
}
/**
* Removes an element
*/
internal UIRouter Remove(UIElementNode listener)
{
if (_nodes.Remove(listener))
{
foreach (string route in listener.Routes)
{
if (_cache.ContainsKey(route))
{
_cache [route].Remove(listener);
}
}
}
return(this);
}
private void _cacheListener(UIElementNode parent, UIElementNode listener)
{
if (!_nodes.Contains(listener))
{
listener.Router = this;
listener.Parent = parent;
if (!_nodes.Contains(listener))
{
_nodes.Add(listener);
}
for (int i = 0; i < listener.Routes.Length; i++)
{
_cacheRoute(listener.Routes [i], listener);
}
}
}
//Recursivly traverses transform heirarchy passing elements to be cached as relevent.
private void _processNode(UIElementNode parent)
{
if (parent != null && ((parent == this) || (parent.GetType() != typeof(UIRouter))))
{
foreach (Transform child in parent.transform)
{
UIElementNode element = child.GetComponent <UIElementNode> ();
if (element == null)
{
element = child.gameObject.AddComponent <UIElementNode> ();
element.Routes = new string[parent.Routes.Length];
Array.Copy(parent.Routes, element.Routes, parent.Routes.Length);
}
_cacheListener(parent, element);
_processNode(element);
}
}
}
