namespace Yw.WpfUI.Hydro
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{
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/// <summary>
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/// 绘制移除辅助类
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/// </summary>
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internal class DrawRemoveHelper : IDisposable
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{
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/// <summary>
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///
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/// </summary>
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public DrawRemoveHelper
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(
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HelixViewport3D viewport,
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DrawInitialHelper initialHelper
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)
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{
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_viewport = viewport;
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_initialHelper = initialHelper;
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Attach();
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}
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#region 事件集合
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/// <summary>
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/// 移除改变事件
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/// </summary>
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public event Action<List<VisualDraw3D>> RemoveChangedEvent;
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#endregion
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private readonly HelixViewport3D _viewport = null;//三维组件
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private readonly DrawInitialHelper _initialHelper = null;//初始化辅助类
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/// <summary>
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/// 是否初始化
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/// </summary>
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public bool Initialized
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{
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get { return _initialized; }
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private set { _initialized = value; }
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}
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private bool _initialized = false;
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//初始化
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private void Initialize()
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{
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if (!_initialHelper.Initialized)
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{
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return;
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}
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_initialized = true;
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}
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//处理初始化完成
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private void OnInitialCompleted()
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{
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Initialize();
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}
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/// <summary>
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/// 移除
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/// </summary>
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public bool Remove(string Id)
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{
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if (!Initialized)
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{
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return false;
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}
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if (string.IsNullOrEmpty(Id))
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{
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return false;
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}
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var visual3d = _initialHelper.GetVisual3D(Id);
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if (visual3d == null)
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{
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return false;
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}
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var list = new List<VisualDraw3D>();
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list.Add(visual3d);
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if (visual3d is NodeDraw3D node3d)
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{
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var link3ds = _initialHelper.GetConnectLink3D(node3d);
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if (link3ds != null && link3ds.Count > 0)
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{
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foreach (var link3d in link3ds)
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{
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if (!list.Contains(link3d))
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{
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list.Add(link3d);
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}
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}
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}
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}
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var bol = _initialHelper.RemoveVisual3D(list);
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if (bol)
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{
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OnRemoveChanged(list);
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}
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return bol;
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}
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/// <summary>
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/// 移除
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/// </summary>
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public bool Remove(List<string> Ids)
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{
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if (!Initialized)
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{
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return false;
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}
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if (Ids == null || Ids.Count < 1)
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{
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return false;
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}
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var list = new List<VisualDraw3D>();
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foreach (var Id in Ids)
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{
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var visual3d = _initialHelper.GetVisual3D(Id);
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if (visual3d != null)
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{
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if (!list.Contains(visual3d))
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{
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list.Add(visual3d);
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}
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if (visual3d is NodeDraw3D node3d)
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{
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var link3ds = _initialHelper.GetConnectLink3D(node3d);
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if (link3ds != null && link3ds.Count > 0)
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{
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foreach (var link3d in link3ds)
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{
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if (!list.Contains(link3d))
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{
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list.Add(link3d);
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}
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}
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}
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}
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}
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}
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var bol = _initialHelper.RemoveVisual3D(list);
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if (bol)
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{
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OnRemoveChanged(list);
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}
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return bol;
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}
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//处理移除改变
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private void OnRemoveChanged(List<VisualDraw3D> visual3ds)
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{
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if (visual3ds == null || visual3ds.Count < 1)
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{
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return;
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}
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this.RemoveChangedEvent?.Invoke(visual3ds);
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}
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//附加
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private void Attach()
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{
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_initialHelper.InitialCompletedEvent += OnInitialCompleted;
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}
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//分离
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private void Detach()
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{
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_initialHelper.InitialCompletedEvent -= OnInitialCompleted;
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}
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/// <summary>
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/// 释放
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/// </summary>
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public void Dispose()
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{
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Detach();
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}
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}
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}
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