public DialogsViewModel()
{
//Sample 4
OpenSample4DialogCommand = new AnotherCommandImplementation(OpenSample4Dialog);
AcceptSample4DialogCommand = new AnotherCommandImplementation(AcceptSample4Dialog);
CancelSample4DialogCommand = new AnotherCommandImplementation(CancelSample4Dialog);
}
public TreesViewModel()
{
MovieCategories = new ObservableCollection <MovieCategory>
{
new MovieCategory("Action",
new Movie("Predator", "John McTiernan"),
new Movie("Alien", "Ridley Scott"),
new Movie("Prometheus", "Ridley Scott")),
new MovieCategory("Comedy",
new Movie("EuroTrip", "Jeff Schaffer"),
new Movie("EuroTrip", "Jeff Schaffer")
)
};
AddCommand = new AnotherCommandImplementation(
_ =>
{
if (!MovieCategories.Any())
{
MovieCategories.Add(new MovieCategory(GenerateString(15)));
}
else
{
var index = new Random().Next(0, MovieCategories.Count);
MovieCategories[index].Movies.Add(
new Movie(GenerateString(15), GenerateString(20)));
}
});
RemoveSelectedItemCommand = new AnotherCommandImplementation(
_ =>
{
var movieCategory = SelectedItem as MovieCategory;
if (movieCategory != null)
{
MovieCategories.Remove(movieCategory);
}
else
{
var movie = SelectedItem as Movie;
if (movie == null)
{
return;
}
MovieCategories.FirstOrDefault(v => v.Movies.Contains(movie))?.Movies.Remove(movie);
}
},
_ => SelectedItem != null);
}
