private SessionViewModel CreateOrRefreshSessionViewModel(ILog log)
{
log.Deleted += OnLogDeleted;
var viewModel = Sessions.FirstOrDefault(session => session.Log.Equals(log));
if (viewModel == null)
{
viewModel = new SessionViewModel(log, _cmdGen);
viewModel.ConfirmationRequest.Raised += (sender, args) => _confirmationRequest.Delegate(args);
RegisterSubViewModel(viewModel);
}
else
{
viewModel.Refresh();
}
return(viewModel);
}