private static void TestGroupViewModel(
IGroupLoaderService loaderService,
string expectedName,
string expectedDescription,
string expectedImageUrl)
{
var groupViewModel = new GroupPageViewModel(loaderService);
WaitForPropertyChanged(
groupViewModel,
() => groupViewModel.RefreshDataCommand.Execute(null),
pce => pce.PropertyName == nameof(groupViewModel.Name));
groupViewModel.Name.Should().Be(expectedName);
groupViewModel.Description.Should().Be(expectedDescription);
groupViewModel.ImageUrl.Should().Be(expectedImageUrl);
}
public GroupPage(GroupPageViewModel vm, bool createMenu = false)
{
InitializeComponent();
BindingContext = viewModel = vm;
MessagingCenter.Subscribe <GroupPageViewModel>(this, "ClearEntries", (s) =>
{
PostName.Text = "";
Body.Text = "";
});
MessagingCenter.Subscribe <GroupsPage>(this, "LoadPosts", (sender) => viewModel.LoadPosts.Execute(null));
Body.TextChanged += (sender, args) =>
{
if (!string.IsNullOrEmpty(args.NewTextValue))
{
if (args.NewTextValue[args.NewTextValue.Length - 1] == ' ' && args.NewTextValue.Contains('#'))
{
int hash_index = args.NewTextValue.IndexOf('#');
var tag = args.NewTextValue.Substring(hash_index);
Device.BeginInvokeOnMainThread(() => viewModel.Tags.Add(tag.Trim()));
Body.Text = Body.Text.Remove(hash_index);
}
}
};
if (createMenu)
{
this.ToolbarItems.Add(new ToolbarItem("Удалить", "", async() =>
{
var shouldDelete = await DisplayAlert(null, "Удалить группу", "Да", "Нет");
if (shouldDelete)
{
viewModel.DeleteGroup.Execute(null);
MessagingCenter.Send <GroupPage, string>(this, "RemoveGroup", viewModel.Group.ID);
await Navigation.PopAsync();
}
}, ToolbarItemOrder.Secondary));
this.ToolbarItems.Add(new ToolbarItem("Редактировать", "", async() =>
{
await Navigation.PushAsync(new CreateGroupPage(this.Navigation, viewModel.Group));
}, ToolbarItemOrder.Secondary));
}
}
public GroupPage(Group g)
{
InitializeComponent();
DataContext = new GroupPageViewModel(g);
}
public GroupPage()
{
InitializeComponent();
_viewModel = DependencyInjection.Container.GetInstance <GroupPageViewModel>();
BindingContext = _viewModel;
}