public static SustainedCanvasView FindSustainedCanvasParent(ISustainedElement p_element)
{
SustainedCanvasView v_canvasView = null;
if (!p_element.IsDestroyed())
{
if (p_element is SustainedCanvasView)
{
v_canvasView = ((SustainedCanvasView)p_element);
if (v_canvasView.transform.parent != null)
{
v_canvasView = v_canvasView.transform.parent.GetComponentInParent <SustainedCanvasView>();
}
else
{
v_canvasView = null;
}
}
else if (p_element is Component)
{
v_canvasView = (p_element as Component).GetComponentInParent <SustainedCanvasView>();
}
}
return(v_canvasView);
}
protected virtual Canvas FindRootCanvasParent()
{
_rootParent = GetComponentInParent <Canvas>();
//Renew Sustained canvas parent based in Canvas
var v_newSustainedParent = _rootParent != null?_rootParent.GetComponentInParent <SustainedCanvasView>() : null;
//Unregister self from the old SustainedCanvas Parent
if (_sustainedCanvasParent != null && v_newSustainedParent != _sustainedCanvasParent)
{
SustainedCanvasView.UnregisterDynamicElement(this);
}
//Register self to a new SustainedCanvas
_sustainedCanvasParent = v_newSustainedParent;
if (_sustainedCanvasParent != null && enabled && gameObject.activeInHierarchy)
{
SustainedCanvasView.RegisterDynamicElement(this);
}
if (_rootParent != null)
{
_rootParent = _rootParent.rootCanvas;
}
return(_rootParent);
}
public static void UnregisterDynamicElement(ISustainedElement p_element)
{
SustainedCanvasView v_canvasView = FindSustainedCanvasParent(p_element);
if (v_canvasView != null)
{
v_canvasView._sustainedChildrenElements.Remove(p_element);
v_canvasView.MarkDynamicElementDirty();
}
}
public static void RegisterDynamicElement(ISustainedElement p_element)
{
SustainedCanvasView v_canvasView = FindSustainedCanvasParent(p_element);
if (v_canvasView != null)
{
if (!v_canvasView._sustainedChildrenElements.Contains(p_element))
{
v_canvasView._sustainedChildrenElements.Add(p_element);
v_canvasView.MarkDynamicElementDirty();
}
}
}
protected override void OnDisable()
{
SustainedCanvasView.UnregisterDynamicElement(this);
base.OnDisable();
}
protected virtual void OnBeforeTransformParentChanged()
{
SustainedCanvasView.UnregisterDynamicElement(this);
UnregisterEvents();
}
