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Model View Presenter via .NET

, 10 Oct 2009
An article outlining an implementation of the Model View Presenter pattern in .NET, contrasting it with existing implementations of MVP, MVC, and using co-dependant interfaces to allow for abstract coordination.
ExampleProject.zip
ExampleProject.Contracts
bin
Debug
CobaltSoftware.Foundation.ModelViewPresenter.dll
ExampleProject.Contracts.dll
Properties
ExampleProject.Model
bin
Debug
CobaltSoftware.Foundation.ModelViewPresenter.dll
ExampleProject.Contracts.dll
ExampleProject.Model.dll
Properties
ExampleProject.Presenters
bin
Debug
CobaltSoftware.Foundation.ModelViewPresenter.dll
ExampleProject.Contracts.dll
ExampleProject.Presenters.dll
Properties
ExampleProject.Views
bin
Debug
CobaltSoftware.Foundation.ModelViewPresenter.dll
ExampleProject.Contracts.dll
ExampleProject.Views.dll
Properties
CobaltSoftware.Foundation.ModelViewPresenter
bin
Debug
CobaltSoftware.Foundation.ModelViewPresenter.dll
Core
Properties
Support
ExampleProject.Application
bin
Debug
CobaltSoftware.Foundation.ModelViewPresenter.dll
ExampleProject.Application.exe
ExampleProject.Application.vshost.exe
ExampleProject.Application.vshost.exe.manifest
ExampleProject.Contracts.dll
ExampleProject.Model.dll
ExampleProject.Presenters.dll
ExampleProject.Views.dll
Properties
Settings.settings
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CobaltSoftware.Foundation.ModelViewPresenter
{
    /// <summary>
    ///     The IViewManager interface helps support the Model-View-Presenter
    ///     pattern by isolating the view-coordination management aspects of the
    ///     presenter types. 
    /// </summary>
    /// <remarks>
    ///     <para>
    ///         <list>
    ///             <listheader>Version History</listheader>
    ///             <item>10 October, 2009 - Steve Gray - Initial Draft</item>
    ///         </list>
    ///     </para>
    ///     <para>
    ///         This implementation uses self-constrained generics to allow
    ///         bi-directional strong coupling of interface types for both
    ///         presenter and view, allowing mutual strong references.
    ///     </para>
    /// </remarks>
    /// <typeparam name="TViewContract">View contract type</typeparam>
    /// <typeparam name="TPresenterContract">Presenter contract type</typeparam>
    public interface IViewManager<TViewContract, TPresenterContract>
        where TViewContract : IView<TViewContract, TPresenterContract>
        where TPresenterContract : IPresenter<TPresenterContract, TViewContract>
    {
        /// <summary>
        ///     Event that fires prior to each view being registered.
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> BeforeViewConnect;

        /// <summary>
        ///     Event that fires after the view has been registered.
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> AfterViewConnect;

        /// <summary>
        ///     Event that fires prior to a view un-registering itself
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> BeforeViewDisconnect;

        /// <summary>
        ///     Event that fires after a view has unregistered.
        /// </summary>
        event PresenterEvent<TViewContract, TPresenterContract> AfterViewDisconnect;
    }
}

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This article, along with any associated source code and files, is licensed under The Code Project Open License (CPOL)

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About the Author

Steven James Gray
Software Developer (Senior) Insurance Industry
United Kingdom United Kingdom
Steve Gray is a Senior Developer at a British insurance company, working on a popular aggregator. When he's not writing ASP .NET, it's because there's SQL or WCF to write instead.

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