public static IDisposable SyncViewModelDeActivation(this ISupportActivationState source, ISupportActivationState viewModel)
{
return(source.ActivationStateChanged
.Subscribe(x =>
{
if (!x)
{
viewModel.DeActivate();
}
}));
}
public static IDisposable SyncViewModelActivationStates(this ISupportActivationState source, ISupportActivationState viewModel)
{
return source.ActivationStateViewModel.ActivationStateChanged
.Subscribe(x =>
{
if (x)
viewModel.ActivationStateViewModel.Activate();
else
viewModel.ActivationStateViewModel.DeActivate();
});
}
public static IDisposable SyncToolBarItemWithViewModelActivationState(this ISupportActivationState source, params IToolBarItem[] toolBarItems)
{
foreach (var toolBarItem in toolBarItems)
{
toolBarItem.IsVisible = source.IsActive;
}
return(source.ActivationStateChanged
.Subscribe(x =>
{
foreach (var toolBarItem in toolBarItems)
{
toolBarItem.IsVisible = x;
}
}));
}
