145 lines
4.0 KiB
C#
145 lines
4.0 KiB
C#
using System.ComponentModel;
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using System.Runtime.CompilerServices;
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using System.Windows;
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using System.Windows.Input;
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namespace SHH.CameraDashboard;
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public class CameraItemTopViewModel : INotifyPropertyChanged
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{
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private WebApiCameraModel _camera;
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/// <summary>
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/// 当前选中的摄像头数据
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/// </summary>
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public WebApiCameraModel Camera
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{
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get => _camera;
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set
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{
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if (_camera != value)
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{
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_camera = value;
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OnPropertyChanged();
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OnPropertyChanged(nameof(HasSelection)); // 通知界面是否有选中项
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}
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}
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}
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public ICommand EditDeviceCommand { get; }
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/// <summary>
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/// 辅助属性：用于界面判断是否显示内容
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/// </summary>
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public bool HasSelection => Camera != null;
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public ICommand TogglePlayCommand { get; }
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public ICommand PtzCommand { get; } // [新增]
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// [新增] 图像处理命令
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public ICommand ImageProcessCommand { get; }
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// [新增] 图像订阅命令
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public ICommand ImageSubscribeCommand { get; }
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public CameraItemTopViewModel()
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{
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// 绑定命令到执行方法
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TogglePlayCommand = new RelayCommand<object>(async _ => await ExecuteTogglePlayAsync());
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// 2. 初始化命令
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EditDeviceCommand = new RelayCommand<object>(ExecuteEditDevice);
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PtzCommand = new RelayCommand(ExecutePtz);
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DeleteCommand = new RelayCommand(ExecuteDelete);
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// 初始化新命令
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ImageProcessCommand = new RelayCommand(ExecuteImageProcess);
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ImageSubscribeCommand = new RelayCommand(ExecuteImageSubscribe);
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}
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// [新增] 执行图像处理
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private void ExecuteImageProcess(object obj)
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{
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if (Camera == null) return;
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// 触发全局事件，打开右侧面板
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AppGlobal.RequestImgProc(this.Camera);
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}
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// [新增] 执行图像订阅
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private void ExecuteImageSubscribe(object obj)
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{
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if (Camera == null) return;
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// 不再直接 MessageBox，而是像 Edit/Ptz 一样发出全局请求
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// 这会将操作权交给 MainViewModel，由它在右侧面板加载 View
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AppGlobal.RequestSubscription(this.Camera);
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}
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private void ExecutePtz(object obj)
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{
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// 这里可以加个判断，比如 Brand=RTSP 或 File 可能不支持云台
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// if (Model.Brand == (int)DeviceBrand.File) return;
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AppGlobal.RequestPtz(this.Camera);
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}
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private async Task ExecuteTogglePlayAsync()
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{
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if (Camera == null) return;
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// 1. 物理离线检查
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if (!Camera.IsPhysicalOnline)
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{
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// 提示：设备断网，无法发送指令
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MessageBox.Show("设备物理离线，无法操作");
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return;
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}
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try
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{
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// 发送控制指令
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var useServiceNode = AppGlobal.UseServiceNode;
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if (useServiceNode != null)
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{
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bool isPlaying = Camera.Status.Equals("Playing");
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bool isSuccess = await ApiClient.Instance.Cameras.ControlPowerAsync(
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Camera.Id,
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!isPlaying,
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"设备面板"
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);
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}
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}
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catch (Exception ex)
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{
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}
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}
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/// <summary>
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/// 执行编辑逻辑
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/// </summary>
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private void ExecuteEditDevice(object obj)
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{
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if (Camera == null) return;
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AppGlobal.RequestEdit(Camera);
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}
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// 2. 自身的删除命令 (不需要参数，因为我手里有 Model)
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public ICommand DeleteCommand { get; }
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private void ExecuteDelete(object obj)
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{
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// 直接把手里的数据发出去
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AppGlobal.RequestDelete(this.Camera);
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}
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public event PropertyChangedEventHandler? PropertyChanged;
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protected void OnPropertyChanged([CallerMemberName] string name = "")
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=> PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(name));
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} |