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* touching publish.yml * Moved Examples into ./Examples * Moved Benchmarks into ./Tests * Moved Benchmarks into ./Tests * Moved UICatalog into ./Examples * Moved UICatalog into ./Examples 2 * Moved tests into ./Tests * Updated nuget
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157
Examples/ReactiveExample/LoginView.cs
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157
Examples/ReactiveExample/LoginView.cs
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using System.Reactive.Disposables;
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using System.Reactive.Linq;
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using ReactiveMarbles.ObservableEvents;
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using ReactiveUI;
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using Terminal.Gui;
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namespace ReactiveExample;
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public class LoginView : Window, IViewFor<LoginViewModel>
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{
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private const string SuccessMessage = "The input is valid!";
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private const string ErrorMessage = "Please enter a valid user name and password.";
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private const string ProgressMessage = "Logging in...";
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private const string IdleMessage = "Press 'Login' to log in.";
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private readonly CompositeDisposable _disposable = [];
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public LoginView (LoginViewModel viewModel)
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{
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Title = $"Reactive Extensions Example - {Application.QuitKey} to Exit";
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ViewModel = viewModel;
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var title = this.AddControl<Label> (x => x.Text = "Login Form");
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var unLengthLabel = title.AddControlAfter<Label> ((previous, unLength) =>
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{
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unLength.X = Pos.Left (previous);
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unLength.Y = Pos.Top (previous) + 1;
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ViewModel
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.WhenAnyValue (x => x.UsernameLength)
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.Select (length => $"_Username ({length} characters):")
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.BindTo (unLength, x => x.Text)
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.DisposeWith (_disposable);
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});
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unLengthLabel.AddControlAfter<TextField> ((previous, unInput) =>
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{
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unInput.X = Pos.Right (previous) + 1;
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unInput.Y = Pos.Top (previous);
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unInput.Width = 40;
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unInput.Text = ViewModel.Username;
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ViewModel
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.WhenAnyValue (x => x.Username)
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.BindTo (unInput, x => x.Text)
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.DisposeWith (_disposable);
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unInput
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.Events ()
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.TextChanged
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.Select (_ => unInput.Text)
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.DistinctUntilChanged ()
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.BindTo (ViewModel, x => x.Username)
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.DisposeWith (_disposable);
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});
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unLengthLabel.AddControlAfter<Label> ((previous, pwLength) =>
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{
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pwLength.X = Pos.Left (previous);
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pwLength.Y = Pos.Top (previous) + 1;
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ViewModel
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.WhenAnyValue (x => x.PasswordLength)
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.Select (length => $"_Password ({length} characters):")
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.BindTo (pwLength, x => x.Text)
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.DisposeWith (_disposable);
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})
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.AddControlAfter<TextField> ((previous, pwInput) =>
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{
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pwInput.X = Pos.Right (previous) + 1;
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pwInput.Y = Pos.Top (previous);
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pwInput.Width = 40;
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pwInput.Text = ViewModel.Password;
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ViewModel
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.WhenAnyValue (x => x.Password)
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.BindTo (pwInput, x => x.Text)
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.DisposeWith (_disposable);
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pwInput
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.Events ()
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.TextChanged
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.Select (_ => pwInput.Text)
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.DistinctUntilChanged ()
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.BindTo (ViewModel, x => x.Password)
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.DisposeWith (_disposable);
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})
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.AddControlAfter<Label> ((previous, validation) =>
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{
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validation.X = Pos.Left (previous);
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validation.Y = Pos.Top (previous) + 1;
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validation.Text = ErrorMessage;
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ViewModel
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.WhenAnyValue (x => x.IsValid)
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.Select (valid => valid ? SuccessMessage : ErrorMessage)
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.BindTo (validation, x => x.Text)
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.DisposeWith (_disposable);
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ViewModel
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.WhenAnyValue (x => x.IsValid)
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.Select (valid => valid ? Colors.ColorSchemes ["Base"] : Colors.ColorSchemes ["Error"])
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.BindTo (validation, x => x.ColorScheme)
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.DisposeWith (_disposable);
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})
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.AddControlAfter<Button> ((previous, login) =>
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{
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login.X = Pos.Left (previous);
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login.Y = Pos.Top (previous) + 1;
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login.Text = "_Login";
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login
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.Events ()
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.Accepting
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.InvokeCommand (ViewModel, x => x.Login)
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.DisposeWith (_disposable);
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})
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.AddControlAfter<Button> ((previous, clear) =>
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{
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clear.X = Pos.Left (previous);
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clear.Y = Pos.Top (previous) + 1;
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clear.Text = "_Clear";
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clear
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.Events ()
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.Accepting
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.InvokeCommand (ViewModel, x => x.ClearCommand)
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.DisposeWith (_disposable);
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})
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.AddControlAfter<Label> ((previous, progress) =>
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{
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progress.X = Pos.Left (previous);
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progress.Y = Pos.Top (previous) + 1;
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progress.Width = 40;
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progress.Height = 1;
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progress.Text = IdleMessage;
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ViewModel
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.WhenAnyObservable (x => x.Login.IsExecuting)
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.Select (executing => executing ? ProgressMessage : IdleMessage)
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.ObserveOn (RxApp.MainThreadScheduler)
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.BindTo (progress, x => x.Text)
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.DisposeWith (_disposable);
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});
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}
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public LoginViewModel ViewModel { get; set; }
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object IViewFor.ViewModel
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{
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get => ViewModel;
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set => ViewModel = (LoginViewModel)value;
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}
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protected override void Dispose (bool disposing)
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{
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_disposable.Dispose ();
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base.Dispose (disposing);
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}
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}
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