public async Task Swipe_ObservableCollection_UpdatesTopItem()
{
var swipeCardView = new SwipeCardView
{
ItemTemplate = new DataTemplate(() =>
{
var stackLayout = new StackLayout();
var label = new Label();
label.SetBinding(Label.TextProperty, ".");
stackLayout.Children.Add(label);
return(stackLayout);
})
};
swipeCardView.ItemsSource = new ObservableCollection <string>()
{
"Item1", "Item2"
};
var swipeCardDirection = SwipeCardDirection.None;
swipeCardView.Swiped += (sender, args) => { swipeCardDirection = args.Direction; };
var initialTopItem = swipeCardView.TopItem;
await swipeCardView.InvokeSwipe(SwipeCardDirection.Right);
var afterSwipeTopItem = swipeCardView.TopItem;
Assert.AreEqual(swipeCardDirection, SwipeCardDirection.Right);
Assert.AreEqual(swipeCardView.ItemsSource.Count, 2);
Assert.AreNotEqual(initialTopItem, afterSwipeTopItem);
Assert.AreEqual(initialTopItem, "Item1");
Assert.AreEqual(afterSwipeTopItem, "Item2");
}
public async Task Swipe_EmptyObservableCollection_ShouldNotInvoke()
{
var cardItems = new ObservableCollection <string>();
var swipeCardView = new SwipeCardView();
var swipeCardDirection = SwipeCardDirection.None;
swipeCardView.ItemsSource = cardItems;
swipeCardView.Swiped += (sender, args) => { swipeCardDirection = args.Direction; };
await swipeCardView.InvokeSwipe(SwipeCardDirection.Right);
Assert.AreEqual(swipeCardDirection, SwipeCardDirection.None);
Assert.AreEqual(swipeCardView.ItemsSource.Count, 0);
}
private void OnLikeClicked(object sender, EventArgs e)
{
SwipeCardView.InvokeSwipe(SwipeCardDirection.Right);
}
private void OnNopeClicked(object sender, EventArgs e)
{
SwipeCardView.InvokeSwipe(SwipeCardDirection.Left);
}
private async void AcceptCard_Clicked(object sender, EventArgs e)
{
await SwipeCardView.InvokeSwipe(SwipeCardDirection.Right, 20, 10, new TimeSpan(1), new TimeSpan(200));
}
public async void InvokeSwipe()
{
await _swipeView.InvokeSwipe(SwipeCardDirection.Right);
}