/// <summary>
/// Removes the blade asynchronous.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="viewmodel">The viewmodel.</param>
/// <returns>Task.</returns>
public Task RemoveBladeAsync(IViewModelBladeView owner, IViewModelBlade viewmodel)
{
Argument.IsNotNull(owner);
if (owner.Blades is not null)
{
if (owner.Blades.Remove(
owner.Blades
.FirstOrDefault(q =>
q.ViewModel == viewmodel &&
((IViewModelBlade)q.ViewModel).Owner == viewmodel.Owner))
)
{
if (owner.Blades.Count < 1)
{
owner.IsPaneVisible = false;
}
else if (owner.Blades.Last() is IView blade)
{
blade.IsEnabled = true;
}
}
}
return Task.CompletedTask;
}
/// <summary>
/// open blade as an asynchronous operation.
/// </summary>
/// <param name="owner">The owner.</param>
/// <param name="viewmodel">The viewmodel.</param>
/// <returns>Task.</returns>
public async Task OpenBladeAsync(IViewModelBladeView owner, IViewModelBlade viewmodel)
{
Argument.IsNotNull(owner);
viewmodel.Owner = owner;
viewmodel.Closed += Viewmodel_Closed;
var view = await GetNavigationBladeAsync(viewmodel);
if (!owner.Blades.Any(a => a.GetType().FullName.Equals(view.GetType().FullName)))
{
foreach (var blade in owner.Blades)
{
blade.IsEnabled = false;
}
owner.Blades.Add(view);
}
owner.IsPaneVisible = true;
}
