public void AddChild(int x, int y, int colWidth, int colHeight, IMenuItem item)
{
if (x < 0 || y < 0 || x + colWidth - 1 >= width ||
y + colHeight - 1 >= height || colWidth <= 0 || colHeight <= 0)
{
throw new ArgumentException("Coordinates out of range.");
}
if (item == null)
{
throw new ArgumentException("Item can not be null.");
}
if (!IsEmptyGrid(x, y, colWidth, colHeight))
{
throw new MenuItemException("Intersection with another menu item.");
}
MenuItemInfo info = item.GetInfo();
if (_itemDict.ContainsKey(info.Name))
{
throw new MenuItemException("Name must be unique inside same layer.");
}
_itemDict.Add(info.Name, item);
AddItemGrid(x, y, colWidth, colHeight, item);
((IGOReadable)item).GetGameObject().transform.SetParent(_gameObject.transform);
item.GetInfo().Parent = this;
(Vector2 anchorMin, Vector2 anchorMax) = GridToRect(x, y, colWidth, colHeight);
item.SetRectTransform(
anchorMin,
anchorMax,
new Vector2(0f, 0f));
// everything must be set before OnEnable is called inside inserted prefab
((IGOReadable)item).GetGameObject().SetActive(true);
}
public IMenuItem RemoveChild(IMenuItem child)
{
MenuItemInfo info = child.GetInfo();
if (_itemDict.ContainsKey(info.Name))
{
RemoveObjectInGrid(child);
_itemDict.Remove(info.Name);
((IGOReadable)child).GetGameObject()?.transform.SetParent(null);
child.GetInfo().Parent = null;
}
else
{
return(null);
}
return(child);
}
