/// <summary>
/// Called when this instance is no longer the active content in a frame.
/// </summary>
/// <param name="e">An object that contains the navigation data.</param>
public void OnNavigatedFrom(NavigationEventArgs e)
{
if (NavigatedFrom != null)
{
NavigatedFrom.Invoke(this, e);
}
}
public MultiSelectListViewPageViewModel(INavigationService navigationService) : base(navigationService)
{
SelectAll = ReactiveCommand.Create(() =>
{
foreach (var item in Items)
{
item.IsSelected = true;
}
});
SelectNone = ReactiveCommand.Create(() =>
{
foreach (var item in Items)
{
item.IsSelected = false;
}
});
NavigatedTo
.Select(args => (IEnumerable <SelectionViewModel>)args["items"])
.Subscribe(items => Items.AddRange(items));
NavigatedFrom
.Subscribe(args => args.Add("selected_items", Items.Where(item => item.IsSelected).ToList()));
}
public TestNavigationViewModel()
{
NavigatedTo
.ToProperty(this, nameof(NavigatedToParameter), out _navigatedToParameter)
.DisposeWith(Garbage);
NavigatedFrom
.ToProperty(this, nameof(NavigatedFromParameter), out _navigatedFromParameter)
.DisposeWith(Garbage);
NavigatingTo
.ToProperty(this, nameof(NavigatingToParameter), out _navigatingToParameter)
.DisposeWith(Garbage);
}
internal void SendNavigatedFrom(NavigatedFromEventArgs args)
{
NavigatedFrom?.Invoke(this, args);
OnNavigatedFrom(args);
}
/// <summary>
/// Handles the <see cref="E:NavigatedFrom"/> event.
/// </summary>
/// <param name="e">The <see cref="FirstFloor.ModernUI.Windows.Navigation.NavigationEventArgs"/> instance containing the event data.</param>
public void OnNavigatedFrom(NavigationEventArgs e)
{
NavigatedFrom?.Invoke(this, e);
}
