//Függvény, ami meghívódik, ha a MainPage lesz az aktív View
public override async Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> state)
{
//A visszagomb letiltása, hiszen a főoldalról nem tudunk visszább menni
SystemNavigationManager.GetForCurrentView().AppViewBackButtonVisibility = AppViewBackButtonVisibility.Disabled;
//Új service indítása, colletion-ök feltöltése
var service = new GoTService();
var books = await service.GetBooksAsync();
foreach (var b in books)
{
Books.Add(b);
}
var characters = await service.GetCharactersAsync();
foreach (var c in characters)
{
Characters.Add(c);
}
var houses = await service.GetHousesAsync();
foreach (var h in houses)
{
Houses.Add(h);
}
await base.OnNavigatedToAsync(parameter, mode, state);
}
//On navigation, fills up the collection with books
public async override Task OnNavigatedToAsync(object parameter, NavigationMode mode, IDictionary <string, object> state)
{
var service = new GoTService();
var books = await service.GetBooksAsync();
foreach (var b in books)
{
Books.Add(b);
}
await base.OnNavigatedToAsync(parameter, mode, state);
}
//Load the parameter and/or the whole list.
protected override async void OnNavigatedTo(NavigationEventArgs e)
{
var arg = e.Parameter as Book;
//If we have to load a book
if (arg != null)
{
LoadingRing.IsActive = true;
showBookInfo(arg);
LoadingRing.IsActive = false;
}
//After that, load the whole list if has not been loaded yet
if (BooksList.Count() == 0)
{
Books_Searchbox.IsEnabled = false;
var service = new GoTService();
LoadingRing.IsActive = true;
var books = await service.GetBooksAsync(1);
int page = 2;
while (books.Count() != 0)
{
foreach (var item in books)
{
if (item.name != "")
{
BooksList.Add(item);
}
}
books = await service.GetBooksAsync(page);
page++;
}
LoadingRing.IsActive = false;
Books_Searchbox.IsEnabled = true;
}
BooksListBox.ItemsSource = BooksList;
}