public virtual Task Delete(RetroItem retroItem)
{
var t = new TaskCompletionSource <bool> ();
if (_items.Contains(retroItem))
{
_items.Remove(retroItem);
}
t.SetResult(true);
return(t.Task);
}
public override async System.Threading.Tasks.Task Save(RetroItem retroItem)
{
await EnsureInitialized();
if (String.IsNullOrWhiteSpace(retroItem.Id))
{
await RetroItems.InsertAsync(retroItem);
}
else
{
await RetroItems.UpdateAsync(retroItem);
}
}
public RetroItemListPage()
{
Title = "Retro Items";
_listView = new ListView();
_listView.ItemTemplate = new DataTemplate(typeof(RetroItemCell));
_listView.ItemSelected += (sender, e) => {
var retroItem = (RetroItem)e.SelectedItem;
var todoPage = new RetroItemPage();
todoPage.BindingContext = retroItem;
Navigation.PushAsync(todoPage);
};
var tbi = new ToolbarItem("Add", null, () => {
var retroItem = new RetroItem();
var todoPage = new RetroItemPage();
todoPage.BindingContext = retroItem;
Navigation.PushAsync(todoPage);
}, 0, 0);
ToolbarItems.Add(tbi);
var loginButton = new Button()
{
Text = "Login",
};
loginButton.Clicked += async(sender, e) => {
await Navigation.PushModalAsync(new LoginPage());
};
loginButton.BindingContext = App.Service;
loginButton.SetBinding(Button.IsVisibleProperty, "IsLoggedIn", BindingMode.OneWay, new OppositeValueConverter());
var layout = new StackLayout()
{
VerticalOptions = LayoutOptions.FillAndExpand,
Children =
{
_listView,
loginButton,
}
};
Content = layout;
}
public override async System.Threading.Tasks.Task Delete(RetroItem retroItem)
{
await EnsureInitialized();
await RetroItems.DeleteAsync(retroItem);
}