protected override void BindCommands()
{
SelectLocalCameraVideoSourceCommand = new RelayCommand(() =>
{
Status = ViewModelStatus.Initializing;
CameraFilterModel.GetCameraFilters(GetCameraFiltersCallback);
});
SelectLocalAVIFileVideoSourceCommand = new RelayCommand(() =>
{
Messenger.Default.Send(new NotificationMessage(UIMessageType.DeviceConfiguration_SelectLocalAVIFileVideoSourceEvent));
});
SelectLocalDesktopVideoSourceCommand = new RelayCommand(() =>
{
Status = ViewModelStatus.Initializing;
DesktopFilterModel.GetDesktopFilters(GetDesktopFiltersCallback);
});
SelectNetworkJPEGCameraVideoSourceCommand = new RelayCommand(() =>
{
Messenger.Default.Send(new NotificationMessage(UIMessageType.DeviceConfiguration_SelectNetworkJPEGVideoSourceEvent));
});
SelectNetworkMJPEGCameraVideoSourceCommand = new RelayCommand(() =>
{
Messenger.Default.Send(new NotificationMessage(UIMessageType.DeviceConfiguration_SelectNetworkMJPEGVideoSourceEvent));
});
CancelCommand = new RelayCommand(() =>
{
Messenger.Default.Send(new NotificationMessage(UIMessageType.DeviceConfiguration_CancelNavigateVideoSourceEvent));
});
}
public VideoSourceNavigationViewModel(CameraFilterModel cameraFilterModel, DesktopFilterModel desktopFilterModel)
{
if (cameraFilterModel == null)
{
throw new ArgumentNullException("cameraFilterModel");
}
if (desktopFilterModel == null)
{
throw new ArgumentNullException("desktopFilterModel");
}
CameraFilterModel = cameraFilterModel;
DesktopFilterModel = desktopFilterModel;
}
public CameraCreationViewModel(CameraModel model, CameraFilterModel cameraFilterModel, DesktopFilterModel desktopFilterModel)
{
if (model == null)
{
throw new ArgumentNullException("model");
}
if (cameraFilterModel == null)
{
throw new ArgumentNullException("cameraFilterModel");
}
if (desktopFilterModel == null)
{
throw new ArgumentNullException("desktopFilterModel");
}
Model = model;
CameraFilterModel = cameraFilterModel;
DesktopFilterModel = desktopFilterModel;
}
protected override void BindCommands()
{
OKCommand = new RelayCommand(() =>
{
Camera camera = MakeCamera();
if (camera != null)
{
Status = ViewModelStatus.Loading;
Model.CheckCameraName(camera, CheckCameraNameCallback);
// 异步顺序执行两个操作
AsyncWorkerHandle <bool> handle = AsyncWorkerHelper.DoWork <bool>(
delegate(object sender, DoWorkEventArgs e)
{
_syncWork.WaitOne(); // 等待上一个操作的完成
if (CheckCameraNameResult == CheckNameExistedResultType.NotExisted)
{
Status = ViewModelStatus.Saving;
Model.CreateCamera(camera, CreateCameraCallback);
}
});
}
});
CancelCommand = new RelayCommand(() =>
{
Messenger.Default.Send(new NotificationMessage(UIMessageType.DeviceConfiguration_CancelCameraEvent));
});
CheckCameraNameCommand = new RelayCommand(() =>
{
Camera camera = MakeCheckedCamera();
if (camera != null)
{
Status = ViewModelStatus.Loading;
Model.CheckCameraName(camera, CheckCameraNameCallback);
}
});
#region SelectVideoSourceCommand
SelectVideoSourceCommand = new RelayCommand(() =>
{
if (this.SelectedVideoSourceDescription == null || string.IsNullOrEmpty(this.SelectedVideoSourceDescription.OriginalSourceString))
{
Messenger.Default.Send(new NotificationMessage <VideoSourceDescription>(
UIMessageType.DeviceConfiguration_NavigateVideoSourceEvent, null));
}
else
{
switch (this.SelectedVideoSourceDescription.SourceType)
{
case VideoSourceType.Mock:
break;
case VideoSourceType.LocalCamera:
Status = ViewModelStatus.Initializing;
CameraFilterModel.GetCameraFilters(GetCameraFiltersCallback);
break;
case VideoSourceType.LocalAVIFile:
Messenger.Default.Send(new NotificationMessage <VideoSourceDescription>(
UIMessageType.DeviceConfiguration_UpdateLocalAVIFileVideoSourceEvent, this.SelectedVideoSourceDescription));
break;
case VideoSourceType.LocalDesktop:
Status = ViewModelStatus.Initializing;
DesktopFilterModel.GetDesktopFilters(GetDesktopFiltersCallback);
break;
case VideoSourceType.NetworkJPEG:
Messenger.Default.Send(new NotificationMessage <VideoSourceDescription>(
UIMessageType.DeviceConfiguration_UpdateNetworkJPEGVideoSourceEvent, this.SelectedVideoSourceDescription));
break;
case VideoSourceType.NetworkMJPEG:
Messenger.Default.Send(new NotificationMessage <VideoSourceDescription>(
UIMessageType.DeviceConfiguration_UpdateNetworkMJPEGVideoSourceEvent, this.SelectedVideoSourceDescription));
break;
default:
throw new NotSupportedException();
}
}
});
#endregion
}
public CameraUpdateViewModel(CameraModel model, CameraFilterModel localCameraVSModel, DesktopFilterModel localDesktopVSModel)
: base(model, localCameraVSModel, localDesktopVSModel)
{
}
