113 lines
4.2 KiB
C#
113 lines
4.2 KiB
C#
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using System.Collections.ObjectModel;
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namespace SHH.CameraDashboard
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{
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/// <summary>
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/// 应用程序全局状态和事件总线。
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/// 此类作为一个静态的中央枢纽，用于在应用程序的不同部分之间共享数据和通信。
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/// </summary>
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public static class AppGlobal
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{
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#region --- 全局数据存储 ---
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/// <summary>
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/// 获取一个可观察的集合，用于存储和显示所有已配置的服务节点。
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/// 由于使用了 <see cref="ObservableCollection{T}"/>，当集合内容发生变化时，UI（如 ListView）会自动更新。
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/// </summary>
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public static ObservableCollection<ServiceNodeModel> ServiceNodes { get; }
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= new ObservableCollection<ServiceNodeModel>();
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/// <summary>
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/// 获取或设置当前正在使用的服务节点。
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/// 当用户从列表中选择一个节点时，应更新此属性。
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/// </summary>
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public static ServiceNodeModel? UseServiceNode { get; set; }
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#endregion
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#region --- 全局事件总线 ---
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#region CameraAdd
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/// <summary>
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/// 当应用程序的任何部分请求添加一个新摄像头时发生。
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/// </summary>
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public static event Action? OnRequestAddCamera;
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/// <summary>
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/// 触发 <see cref="OnRequestAddCamera"/> 事件，以请求打开摄像头添加界面。
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/// </summary>
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public static void RequestAdd()
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=> OnRequestAddCamera?.Invoke();
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#endregion
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#region CameraEdit
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/// <summary>
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/// 当应用程序的任何部分请求编辑一个摄像头时发生。
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/// 事件处理程序将接收到要编辑的 <see cref="WebApiCameraModel"/> 实例。
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/// </summary>
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public static event Action<WebApiCameraModel>? OnRequestEditCamera;
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/// <summary>
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/// 触发 <see cref="OnRequestEditCamera"/> 事件，以请求打开摄像头编辑界面。
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/// </summary>
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/// <param name="camera">要编辑的摄像头数据模型。</param>
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public static void RequestEdit(WebApiCameraModel camera)
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=> OnRequestEditCamera?.Invoke(camera);
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#endregion
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#region CameraDelete
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/// <summary>
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/// 当应用程序的任何部分请求删除一个摄像头时发生。
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/// 事件处理程序将接收到要删除的 <see cref="WebApiCameraModel"/> 实例。
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/// </summary>
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public static event Action<WebApiCameraModel>? OnRequestDeleteCamera;
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/// <summary>
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/// 触发 <see cref="OnRequestDeleteCamera"/> 事件，以请求删除指定的摄像头。
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/// </summary>
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/// <param name="camera">要删除的摄像头数据模型。</param>
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public static void RequestDelete(WebApiCameraModel camera)
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=> OnRequestDeleteCamera?.Invoke(camera);
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#endregion
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#region CameraRefreshList
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/// <summary>
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/// 当应用程序的任何部分请求刷新摄像头列表时发生。
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/// </summary>
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public static event Action? OnRefreshListRequest;
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/// <summary>
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/// 触发 <see cref="OnRefreshListRequest"/> 事件，以请求刷新摄像头列表数据。
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/// </summary>
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public static void RequestRefresh()
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=> OnRefreshListRequest?.Invoke();
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#endregion
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// [新增] 请求云台控制事件
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public static event Action<WebApiCameraModel>? OnRequestPtzCamera;
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// [新增] 触发方法
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public static void RequestPtz(WebApiCameraModel camera) => OnRequestPtzCamera?.Invoke(camera);
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// 图像处理
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public static event Action<WebApiCameraModel>? OnRequestImgProc;
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public static void RequestImgProc(WebApiCameraModel camera) => OnRequestImgProc?.Invoke(camera);
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// 1. 定义事件委托：当 ViewModel 请求订阅时触发
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public static event Action<WebApiCameraModel>? OnRequestSubscription;
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// 2. 定义触发方法：供 CameraItemTopViewModel 调用
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public static void RequestSubscription(WebApiCameraModel camera) => OnRequestSubscription?.Invoke(camera);
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#endregion
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}
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}
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