MVVM
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MVVM

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MVVM MVVM Presentation Transcript

  • ModelViewViewModel
  • Felipe Pimentel
    Felipe Pimentel
  • Felipe Pimentel
    FelipePimentell
    felipejfp@hotmail.com
    fpimentel88
    felipe.pimentel@2pc.com.br
    http://felipepimentel.net
  • Felipe Pimentel
  • Agenda
    O que é?
    O que faz?
    Quando usar?
    Variações?
    Light Toolkit
    Demo!!!
  • “Mais outro M* alguma coisa?”
    MVP
    MVC
    MV?????
  • O que é MVVM?
    Padrão de arquitetura de apresentação
    Separando responsabilidades
    Isolar designers e desenvolvedores?
    Facilita os testes
  • Por que do MVVM?
    Fatores tecnologicos
    Databinds
    INotifyPropertyChanged
    IValueConverter
    Modelo de eventos utilizando ICommand
  • MVVM
    Model
    View
    DataBinding
    Presentation Model
    (ViewModel)
  • ModelMVVM
    Represents the data
    The entity
    Not required to know where it gets its data from
    From a WCF service. WCF RIA Services, etc
    May contain validation
  • ViewMVVM
    The screen, the UI, the UserControl in Silverlight
    Handles UI look and feel
    Presentation of information
    Communicates with ViewModel through bindings
  • ViewModelMVVM
    Conhecido por PresenterModel
    Main source of logic for the MVVM triad
    Connects the Model to the View
    Abstracts the View
    Public properties that are bound to a View
    INotifyPropertyChanged and INotifyCollectionChanged talk to the View through bindings
    Listens for changes from the View through bindings
    Invokes services to communicate outside the MVVM triad
  • MVVM
    DEMO!!!!
    DEMO!!!
    DEMO!!
    DEMO!
  • Referências
    John Papa - http://johnpapa.net/
    http://www.galasoft.ch/mvvm/getstarted/
    http://msdn.microsoft.com/en-us/magazine/dd419663.aspx
    http://virtualdreams.com.br