protected override void Setup(CompositeDisposable disposable)
{
SetSupportActionBar(UserDetailsToolBar);
var json = Intent.GetStringExtra(GetString(Resource.String.UserDetailsIntentKey));
if (!String.IsNullOrWhiteSpace(json))
{
ViewModel = CompositionRoot.CreateUserDetailsViewModel(JsonConvert.DeserializeObject <UserModel>(json));
}
else
{
ViewModel = CompositionRoot.CreateUserDetailsViewModel(null);
}
this.OneWayBind(ViewModel,
vm => vm.UserName,
v => v.UserDetailsCollapsingToolBar.Title,
txt => !String.IsNullOrWhiteSpace(txt) ? txt : "Welcome")
.DisposeWith(disposable);
this.Bind(ViewModel, vm => vm.UserName, v => v.UserName.Text)
.DisposeWith(disposable);
this.WhenAnyValue(v => v.ViewModel.UserNameIsUnique, v => v.ViewModel.UserNameIsValid)
.Subscribe(items =>
{
if (!items.Item1)
{
UserNameTextInputLayout.Error = GetString(Resource.String.UserNameIsUnique);
return;
}
if (!items.Item2)
{
UserNameTextInputLayout.Error = GetString(Resource.String.UserNameIsInvalid);
return;
}
UserNameTextInputLayout.Error = String.Empty;
})
.DisposeWith(disposable);
this.Bind(ViewModel, vm => vm.Password, v => v.Password.Text)
.DisposeWith(disposable);
this.OneWayBind(ViewModel, vm => vm.ShowPasswordIsInvalid, v => v.PasswordTextInputLayout.Error,
result => result ? GetString(Resource.String.PasswordIsInvalid) : String.Empty)
.DisposeWith(disposable);
this.WhenAnyValue(x => x.ViewModel.UserImage)
.Subscribe(bytes =>
{
if (bytes == null || bytes.Length == 0)
{
ToolBarImage.SetImageResource(0);
}
else
{
Func <CancellationToken, Task <Stream> > processMe =
(ct) =>
{
return(Task.FromResult((System.IO.Stream) new MemoryStream(bytes ?? new byte[0])));
};
ImageService.Instance
.LoadStream(processMe)
.Into(ToolBarImage);
}
})
.DisposeWith(disposable);
this.OneWayBind(ViewModel, vm => vm.EnableSaveButton, v => v.UpdateUser.Enabled)
.DisposeWith(disposable);
this.BindCommand(ViewModel, vm => vm.SaveUser, v => v.UpdateUser)
.DisposeWith(disposable);
this.WhenAnyObservable(v => v.ViewModel.GoBackWithResult)
.Subscribe(results =>
{
Intent intent = new Intent();
intent.PutExtra(
Resources.GetString(Resource.String.UserDetailsIntentKey),
JsonConvert.SerializeObject(results)
);
SetResult(Result.Ok, intent);
OnBackPressed();
})
.DisposeWith(disposable);
this.AddNewImageButton
.Events()
.Click.Subscribe(_ =>
{
var imageIntent = new Intent();
imageIntent.SetType("image/*");
imageIntent.SetAction(Intent.ActionGetContent);
StartActivityForResult(
Intent.CreateChooser(imageIntent, "Select photo"), 0);
});
SupportActionBar?.SetDisplayHomeAsUpEnabled(true);
SupportActionBar?.SetHomeButtonEnabled(true);
}