public PastPurchases()
{
this.InitializeComponent();
ViewModel = new PastPurchasesViewModel(ServiceRegistrar.ShoppingService(App.SqliteConnection));
PastPurchasesListView.ItemsSource = ViewModel.Items;
// Developer will want to return to none selection when selected items are zero
PastPurchasesListView.SelectionChanged += OnSelectionChanged;
// With this property we enable that the left edge tap visual indicator shows
// when user press the listviewitem left edge
// and also the ItemLeftEdgeTapped event will be fired
// when user releases the pointer
PastPurchasesListView.IsItemLeftEdgeTapEnabled = true;
// This is event that will be fired when user releases the pointer after
// pressing on the left edge of the ListViewItem
PastPurchasesListView.ItemLeftEdgeTapped += OnEdgeTapped;
// We set the state of the commands on the appbar
SetCommandsVisibility(PastPurchasesListView);
// This is how devs can handle the back button
SystemNavigationManager.GetForCurrentView().BackRequested += OnBackRequested;
}
public void Add_Item()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new PastPurchasesViewModel(shoppingService);
var item = new BoughtItem("item 1");
// Act
vm.Add(item);
// Assert
Assert.Contains<BoughtItem>(vm.Items, x => x == item);
}
public void Copy_Item_To_Shopping_List()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new PastPurchasesViewModel(shoppingService);
var itemTitle = "item1";
var item = new BoughtItem(itemTitle);
vm.Add(item);
// Act
vm.CopyItemToShoppingList(item);
// Assert
Assert.Equal(1, shoppingService.Items.Count);
Assert.Contains<Item>(shoppingService.Items, x => x.Title == itemTitle);
}
public void Add_Item_Already_Added()
{
// Arrange
var shoppingService = new ShoppingService(_sqliteConnection);
var vm = new PastPurchasesViewModel(shoppingService);
var item = new BoughtItem("item 1");
vm.Add(item);
var item2 = new BoughtItem("item 1");
// Act
vm.Add(item);
// Assert
Assert.Equal(1, vm.Items.Count);
Assert.Equal(2, vm.Items.First().BoughtCount);
}
public override View OnCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState)
{
this._inflater = inflater;
View view = inflater.Inflate(Resource.Layout.ic_tab_past_purchases, null);
ViewModel = new PastPurchasesViewModel(ServiceRegistrar.ShoppingService(MainActivity.SqliteConnection));
_pastPurchasesListView = view.FindViewById<ListView>(Resource.Id.PastPurchasesListView);
_pastPurchasesListView.Adapter = ViewModel.Items.GetAdapter(GetItemView);
_pastPurchasesListView.ItemClick += delegate (object sender, AdapterView.ItemClickEventArgs e)
{
ViewModel.CopyItemToShoppingList(this.ViewModel.Items.ElementAt(e.Position));
};
return view;
}
public PastPurchasesTableSource()
{
ViewModel = new PastPurchasesViewModel(ServiceRegistrar.ShoppingService(Application.SqliteConnection));
}