public override void Execute(object parameter)
{
IItemsViewModel itemsViewModel = Context as IItemsViewModel;
if (itemsViewModel != null)
{
itemsViewModel.DeactivateItem(_viewModelName, true);
}
}
public override void Dispose()
{
IItemsViewModel itemsViewModel = Context as IItemsViewModel;
if (itemsViewModel != null)
{
itemsViewModel.ItemActivated -= OnItemsChanged;
itemsViewModel.ItemDeactivated -= OnItemsChanged;
}
}
public override bool CanExecute(object parameter)
{
IItemsViewModel itemsViewModel = Context as IItemsViewModel;
if (itemsViewModel != null)
{
return(itemsViewModel.ContainsItem(_viewModelName));
}
return(false);
}
protected override void OnContextAssigned()
{
base.OnContextAssigned();
IItemsViewModel itemsViewModel = Context as IItemsViewModel;
if (itemsViewModel != null)
{
itemsViewModel.ItemActivated += OnItemsChanged;
itemsViewModel.ItemDeactivated += OnItemsChanged;
}
}
public MainViewModel(IItemsViewModel itemsViewModel)
{
ItemsViewModel = itemsViewModel;
}
public ItemsView(IItemsViewModel model)
{
model.View = this;
DataContext = model;
InitializeComponent();
}
