विंडोज फॉर्म के लिए एमवीपी कार्यान्वयन सुविधाएँ

समस्या का बयान

सिद्धांत की बिट

public class Presenter { private readonly IView _view; private readonly IService _service; public Presenter(IView view, IService service) { _view = view; _service = service; _view.UserIdChanged += () => UpdateUserInfo(); } private void UpdateUserInfo() { var user = _service.GetUser(_view.UserId); _view.Username = user.Username; _view.Age = user.Age; } } 

परियोजनाओं को कैसे व्यवस्थित करें?

मेन () में क्या लिखना है?

 private static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); Application.Run(new MainForm()); //    () } 

 private static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); var presenter = new LoginPresenter(new LoginForm(), new LoginService()); // Dependency Injection presenter.Run(); } 

 //      public interface IView { void Show(); void Close(); } // ,        public interface ILoginView : IView { string Username { get; } string Password { get; } event Action Login; //  "  " void ShowError(string errorMessage); } public interface IPresenter { void Run(); } //    public interface ILoginService { bool Login(User user); // true -  ,  false } 

 public class LoginPresenter : IPresenter { private readonly ILoginView _view; private readonly ILoginService _service; public LoginPresenter(ILoginView view, ILoginService service) { _view = view; _service = service; _view.Login += () => Login(_view.Username, _view.Password); } public void Run() { _view.Show(); } private void Login(string username, string password) { if (username == null) throw new ArgumentNullException("username"); if (password == null) throw new ArgumentNullException("password"); var user = new User {Name = username, Password = password}; if (!_service.Login(user)) { _view.ShowError("Invalid username or password"); } else { //  ,    (?) } } } 

 public partial class LoginForm : Form, ILoginView { // ... public new void Show() { Application.Run(this); } } 

क्या परीक्षण होंगे?

 [TestFixture] public class LoginPresenterTests { private ILoginView _view; [SetUp] public void SetUp() { _view = Substitute.For<ILoginView>(); //    var service = Substitute.For<ILoginService>(); //    service.Login(Arg.Any<User>()) //    admin/password .Returns(info => info.Arg<User>().Name == "admin" && info.Arg<User>().Password == "password"); var presenter = new LoginPresenter(_view, service); presenter.Run(); } [Test] public void InvalidUser() { _view.Username.Returns("Vladimir"); _view.Password.Returns("VladimirPass"); _view.Login += Raise.Event<Action>(); _view.Received().ShowError(Arg.Any<string>()); //        } [Test] public void ValidUser() { _view.Username.Returns("admin"); _view.Password.Returns("password"); _view.Login += Raise.Event<Action>(); _view.DidNotReceive().ShowError(Arg.Any<string>()); //       } } 

पैरामीटर के साथ दूसरी स्क्रीन कौन और कैसे लॉन्च करेगा?

 // LoginPresenter:   var mainPresenter = new MainPresenter(new MainForm()); mainPresenter.Run(user); 

 public interface IApplicationController { IApplicationController RegisterView<TView, TImplementation>() where TImplementation : class, TView where TView : IView; IApplicationController RegisterService<TService, TImplementation>() where TImplementation : class, TService; void Run<TPresenter>() where TPresenter : class, IPresenter; } 

 private static void Main() { Application.EnableVisualStyles(); Application.SetCompatibleTextRenderingDefault(false); //       : var controller = new ApplicationController(new LightInjectAdapder()) .RegisterView<ILoginView, LoginForm>() .RegisterService<ILoginService, StupidLoginService>() .RegisterView<IMainView, MainForm>(); controller.Run<LoginPresenter>(); } 

 IPresenter,   ,   Run  .       . 
 ,   ,   ,    : 
 
 Controller.Run<MainPresener, User>(user); View.Close(); 
       ... 
        View.Close() ,     ,      .   ,  Application.Run(Form)      Windows        .    ,    ExitThread   Form.Closed ,        . 
      ,    -    : Application.Run(ApplicationContext) ,     ApplicationContext.MainForm .        ,     (instance) ApplicationContext       ( DI)    .        : 
 
 // LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); } 
   
      .   " "  Controller.Run<ChangeUsernamePresenter, User>(user) .       -   ,       ApplicationContext: 
 
 public new void Show() { ShowDialog(); } 
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Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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      ,    -    : Application.Run(ApplicationContext) ,     ApplicationContext.MainForm .        ,     (instance) ApplicationContext       ( DI)    .        : 
 
 // LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); } 
   
      .   " "  Controller.Run<ChangeUsernamePresenter, User>(user) .       -   ,       ApplicationContext: 
 
 public new void Show() { ShowDialog(); } 
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Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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 Controller.Run<MainPresener, User>(user); View.Close(); 
       ... 
        View.Close() ,     ,      .   ,  Application.Run(Form)      Windows        .    ,    ExitThread   Form.Closed ,        . 
      ,    -    : Application.Run(ApplicationContext) ,     ApplicationContext.MainForm .        ,     (instance) ApplicationContext       ( DI)    .        : 
 
 // LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); } 
   
      .   " "  Controller.Run<ChangeUsernamePresenter, User>(user) .       -   ,       ApplicationContext: 
 
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Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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Presenter
4. IPresenter, , Run . .
, , , :

Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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- ( Event Aggregator);
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Application Controller
Application Controller Event Aggregator
Application Controller
MVP ,
Presenter
5. IPresenter, , Run . .
, , , :

Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
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c Github ( Nuget-).

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. , , !
, :
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- ( Event Aggregator);
-

,
, MVP
Passive View
Application Controller
Application Controller Event Aggregator
Application Controller
MVP ,
Presenter

IPresenter, , Run . .
, , , :

Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
, , Form.

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IoC- IContainer -.

c Github ( Nuget-).

, , - MVP, , , .

. , , !
, :
- ( );
- ( Event Aggregator);
-

,
, MVP
Passive View
Application Controller
Application Controller Event Aggregator
Application Controller
MVP ,
Presenter

IPresenter, , Run . .
, , , :

Controller.Run<MainPresener, User>(user); View.Close();
...
View.Close() , , . , Application.Run(Form) Windows . , ExitThread Form.Closed , .
, - : Application.Run(ApplicationContext) , ApplicationContext.MainForm . , (instance) ApplicationContext ( DI) . :

// LoginForm public new void Show() { _context.MainForm = this; Application.Run(_context); } // MainForm public new void Show() { _context.MainForm = this; base.Show(); }

. " " Controller.Run<ChangeUsernamePresenter, User>(user) . - , ApplicationContext:

public new void Show() { ShowDialog(); }
, , Form.

... ?
, , :
, ( ). , , - . [] , , . [] . .
IoC- IContainer -.

c Github ( Nuget-).

, , - MVP, , , .

. , , !
, :
- ( );
- ( Event Aggregator);
-

,
, MVP
Passive View
Application Controller
Application Controller Event Aggregator
Application Controller
MVP ,
Presenter