protected override void OnNavigatedTo(NavigationEventArgs e)
{
NavigationPage navPage = Window.Current.Content as NavigationPage;
if (navPage.AppFrame.CanGoBack)
{
// If we have pages in our in-app backstack and have opted in to showing back, do so
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Visible;
}
else
{
// Remove the UI from the title bar if there are no pages in our in-app back stack
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Collapsed;
}
var navObj = e.Parameter as PlaceNavObject;
if (navObj != null)
{
var viewModel = new PlaceDetailsPageViewModel(navObj.Id, navObj.Title, App.DataSource);
DataContext = viewModel;
var template = Resources["PlaceDetailsDataTemplate"] as DataTemplate;
contentPresenter.ContentTemplate = template;
base.OnNavigatedTo(e);
return;
}
SetTemplate(e.Parameter as NodeViewModel);
base.OnNavigatedTo(e);
}
private void SetTemplate(CType type, NodeViewModel vm)
{
DataTemplate template = null;
if (type == CType.Event)
{
var detailsViewModel = new EventDetailsPageViewModel(vm.Id, vm.Title, App.DataSource);
DataContext = detailsViewModel;
template = Resources["EventDetailsDataTemplate"] as DataTemplate;
}
if (type == CType.News)
{
var newsViewModel = new NewsDetailsPageViewModel(vm.Id, vm.Title, App.DataSource);
DataContext = newsViewModel;
template = Resources["NewsDetailsDataTemplate"] as DataTemplate;
}
if (type == CType.List)
{
var viewModel = new SelectionDetailsPageViewModel(vm.Id, vm.Title, App.DataSource);
DataContext = viewModel;
template = Resources["SelectionDetailsDataTemplate"] as DataTemplate;
}
if (type == CType.Place)
{
var viewModel = new PlaceDetailsPageViewModel(vm.Id, vm.Title, App.DataSource);
DataContext = viewModel;
template = Resources["PlaceDetailsDataTemplate"] as DataTemplate;
}
if (type == CType.Movie)
{
var viewModel = new MovieDetailsPageViewModel(vm.Id, vm.Title, App.DataSource);
DataContext = viewModel;
template = Resources["MovieDetailsDataTemplate"] as DataTemplate;
}
if (type == CType.ListItem)
{
var node = vm as SelectionDetailsNodeViewModel;
if (node == null)
{
return;
}
var viewModel = new ListItemDetailsPageViewModel(node, App.DataSource);
DataContext = viewModel;
template = Resources["ListItemDetailsDataTemplate"] as DataTemplate;
}
contentPresenter.ContentTemplate = template;
}
