internal RelayCommand(RelayCommandBindings relayCommandBindings)
{
this.relayCommandBindings = relayCommandBindings;
relayCommandBindings.BindingModel.PropertyChanged += (s, e) =>
{
if (relayCommandBindings.BindingProperties.Any(p => p == e.PropertyName))
{
CanExecuteChanged?.Invoke(this, EventArgs.Empty);
}
};
}
public MultiplexViewModel()
{
multiPlexModel = new MultiPlexModel();
synchronizationContext = SynchronizationContext.Current;
var bindingProperties = new[]
{
nameof(IsActive),
nameof(IsActiveChanging)
};
var setNewNameBindings = new RelayCommandBindings()
{
Execute = async(obj) => await multiPlexModel.StartMultiplexModelAsync(obj.ToString()),
CanExecuteChecks = new List <Predicate <object> >
{
(obj) => IsValidName(obj?.ToString()),
(obj) => IsActive == false,
(obj) => IsActiveChanging == false
},
BindingModel = this,
BindingProperties = bindingProperties
};
var stopMultiplexBindings = new RelayCommandBindings()
{
Execute = async(obj) => await multiPlexModel.StopMultiplexModelAsync(),
CanExecuteChecks = new List <Predicate <object> >
{
(obj) => IsActive == true,
(obj) => IsActiveChanging == false
},
BindingModel = this,
BindingProperties = bindingProperties
};
SetNewNameCommand = new RelayCommand(setNewNameBindings);
StopMultiplexCommand = new RelayCommand(stopMultiplexBindings);
multiPlexModel.PropertyChanged += (s, e) => GetType().GetProperties().Where(p => p.Name == e.PropertyName).FirstOrDefault()?.SetValue(this, multiPlexModel.GetType().GetProperty(e.PropertyName).GetValue(multiPlexModel));
}