/// <summary>
/// Called when the <see cref="LogicBase.TargetView"/> has just been unloaded.
/// </summary>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="System.EventArgs"/> instance containing the event data.</param>
public override void OnTargetViewUnloaded(object sender, EventArgs e)
{
if (!_hasHandledNavigatingAway)
{
OnNavigatingAway(this, new NavigatingEventArgs(_navigationAdapter.GetNavigationUriForTargetPage(), NavigationMode.New));
_hasHandledNavigatingAway = true;
}
base.OnTargetViewUnloaded(sender, e);
DestroyNavigationAdapter();
}
private void CreateNavigationAdapter(bool comingFromLoadedEvent)
{
if (_navigationAdapter == null)
{
_navigationAdapter = new NavigationAdapter(TargetPage);
_navigationAdapter.NavigatedTo += OnNavigatedTo;
_navigationAdapter.NavigatingAway += OnNavigatingAway;
_navigationAdapter.NavigatedAway += OnNavigatedAway;
if (comingFromLoadedEvent)
{
OnNavigatedTo(this, new NavigatedEventArgs(_navigationAdapter.GetNavigationUriForTargetPage(), NavigationMode.New));
}
}
}
private void CreateNavigationAdapter(bool comingFromLoadedEvent)
{
if (_navigationAdapter == null)
{
var serviceLocator = this.GetServiceLocator();
var navigationService = serviceLocator.ResolveType <INavigationRootService>();
var navigationRoot = navigationService.GetNavigationRoot();
_navigationAdapter = new NavigationAdapter(TargetPage, navigationRoot);
_navigationAdapter.NavigatedTo += OnNavigatedTo;
_navigationAdapter.NavigatingAway += OnNavigatingAway;
_navigationAdapter.NavigatedAway += OnNavigatedAway;
if (comingFromLoadedEvent)
{
OnNavigatedTo(this, new NavigatedEventArgs(_navigationAdapter.GetNavigationUriForTargetPage(), NavigationMode.New));
}
}
}