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Building an MVP Framework for .NET. Part 4: Strongly Typed Associations

, 25 Apr 2008
In this article we continue developing a Model-View-Presenter framework for .NET platform. The new features we are implementing here are strongly typed asscoiations between controllers, views and tasks for higher convenience and type safety.
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MVCSharp
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CleanUpAll.proj
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NorthwindDataSet.xsc
NorthwindDataSet.xss
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TestApplicationLogic
Tests.csproj.user
Basics
Basics (generics used)
ApplicationLogic
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Global.asax
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ApplicationLogic
Model
Presentation
Web
Global.asax
Win
Properties
Settings.settings
SimpleFormsViewsManager
Properties
TestSimpleFormsViewsManager
ApplicationLogic
Presentation
Properties
Settings.settings
TasksInteraction
ApplicationLogic
Model
Presentation
Web
Global.asax
Win
Properties
Settings.settings
WindowsFormsExample
ApplicationLogic
Presentation
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Settings.settings
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Views
Tasks
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Tasks
Views
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Webforms
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Winforms
Configuration
//===========================================
// MVC# Framework | www.MVCSharp.org        |
// ------------------------------------------
// Copyright (C) 2008 www.MVCSharp.org      |
// All rights reserved.                     |
//===========================================

using System;
using System.Text;

namespace MVCSharp.Core.Configuration.Tasks
{
    #region Documentation
    /// <summary>
    /// Used to declare navigation triggers with targets for interaction points.
    /// </summary>
    /// <remarks>Should be used with <see cref="TaskInfoByAttributesProvider"/> or
    /// <see cref="DefaultTaskInfoProvider"/> task info providers. They
    /// convert this attribute occurrences into <see cref="TaskInfo"/>
    /// objects.</remarks>
    /// <example>
    /// Below we declare a task with two interaction points and a "Next" trigger
    /// navigating from "View 1" to "View 2":
    /// <code>
    /// class MyTask : TaskBase
    /// {
    ///     [InteractionPoint(typeof(MyController))]
    ///     [NavTarget("Next", View2)]
    ///     public const string View1 = "View 1";
    /// 
    ///     [InteractionPoint(typeof(MyController))]
    ///     public const string View2 = "View 2";
    /// 
    ///     public override void OnStart(object param)
    ///     {
    ///         Navigator.NavigateDirectly(View1); // Initial interaction point is "View 1"
    ///         Navigator.Navigate("Next"); // Navigate to "View 2"
    ///     }
    /// }
    /// </code>
    /// </example>
    #endregion
    [AttributeUsage(AttributeTargets.Field, AllowMultiple = true)]
    public class NavTargetAttribute : Attribute
    {
        private string triggerName;
        private string viewName;

        #region Documentation
        /// <summary>
        /// Contructor taking the trigger name and the view name of the
        /// target interaction point.
        /// </summary>
        #endregion
        public NavTargetAttribute(string triggerName, string viewName)
        {
            this.triggerName = triggerName;
            this.viewName = viewName;
        }

        #region Documentation
        /// <summary>
        /// The name of the trigger initiating the transition.
        /// </summary>
        #endregion
        public string TriggerName
        {
            get { return triggerName; }
            set { triggerName = value; }
        }

        #region Documentation
        /// <summary>
        /// The view name for the target interaction point.
        /// </summary>
        #endregion
        public string ViewName
        {
            get { return viewName; }
            set { viewName = value; }
        }
	
    }
}

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This article, along with any associated source code and files, is licensed under The Microsoft Public License (Ms-PL)

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About the Author

Oleg Zhukov
Team Leader
Russian Federation Russian Federation
Oleg Zhukov, born and living in Russia is Lead Engineer and Project Manager in a company which provides business software solutions. He has graduated from Moscow Institute of Physics and Technology (MIPT) (department of system programming) and has got a M.S. degree in applied physics and mathematics. His research and development work concerns architectural patterns, domain-driven development and systems analysis. Being the adherent of agile methods he applies them extensively in the projects managed by him.

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