/// <summary>
/// 获取子节点
/// </summary>
public RedDotTreeNode GetChild(RangeString key)
{
if (_children == null)
{
return(null);
}
_children.TryGetValue(key, out RedDotTreeNode child);
return(child);
}
/// <summary>
/// 获取子节点，如果不存在则添加
/// </summary>
public RedDotTreeNode GetOrAddChild(RangeString key)
{
RedDotTreeNode child = GetChild(key);
if (child == null)
{
child = AddChild(key);
}
return(child);
}
/// <summary>
/// 添加子节点
/// </summary>
public RedDotTreeNode AddChild(RangeString key)
{
if (_children == null)
{
_children = new Dictionary <RangeString, RedDotTreeNode>();
}
else if (_children.ContainsKey(key))
{
throw new Exception("子节点添加失败，不允许重复添加：" + FullPath);
}
RedDotTreeNode child = new RedDotTreeNode(key.ToString(), this);
_children.Add(key, child);
RedDotMananger.Instance.onNodeNumChangedCallback?.Invoke();
return(child);
}
/// <summary>
/// 移除子节点
/// </summary>
public bool RemoveChild(RangeString key)
{
if (_children == null || _children.Count == 0)
{
return(false);
}
RedDotTreeNode child = GetChild(key);
if (child != null)
{
//子节点被删除 需要进行一次父节点刷新
RedDotMananger.Instance.MarkDirtyNode(this);
_children.Remove(key);
RedDotMananger.Instance.onNodeNumChangedCallback?.Invoke();
return(true);
}
return(false);
}