/V1/trunk/Source/StockTraderRI/StockTraderRI.Modules.News/Controllers/NewsController.cs

//===============================================================================

// Microsoft patterns & practices

// Composite Application Guidance for Windows Presentation Foundation

//===============================================================================

// Copyright (c) Microsoft Corporation.  All rights reserved.

// THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY

// OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT

// LIMITED TO THE IMPLIED WARRANTIES OF MERCHANTABILITY AND

// FITNESS FOR A PARTICULAR PURPOSE.

//===============================================================================

// The example companies, organizations, products, domain names,

// e-mail addresses, logos, people, places, and events depicted

// herein are fictitious.  No association with any real company,

// organization, product, domain name, email address, logo, person,

// places, or events is intended or should be inferred.

//===============================================================================



using Microsoft.Practices.Composite.Events;

using Microsoft.Practices.Composite.Regions;

using Microsoft.Practices.Composite.Wpf.Events;

using StockTraderRI.Infrastructure;

using StockTraderRI.Infrastructure.Models;

using StockTraderRI.Modules.News.Article;



namespace StockTraderRI.Modules.News.Controllers

{

    public class NewsController : INewsController

    {

        private readonly IRegionManager regionManager;

        private readonly IArticlePresentationModel articlePresentationModel;

        private readonly IEventAggregator eventAggregator;

        private readonly INewsReaderPresenter readerPresenter;



        public NewsController(IRegionManager regionManager, IArticlePresentationModel articlePresentationModel, IEventAggregator eventAggregator)

        {

            this.regionManager = regionManager;

            this.articlePresentationModel = articlePresentationModel;

            this.eventAggregator = eventAggregator;

            this.articlePresentationModel.Controller = this;

        }



        public void Run()

        {

            this.regionManager.Regions[RegionNames.NewsRegion].Add(articlePresentationModel.View);

            eventAggregator.GetEvent<TickerSymbolSelectedEvent>().Subscribe(ShowNews, ThreadOption.UIThread);

        }



        public NewsController(IRegionManager regionManager,

                                IArticlePresentationModel articlePresentationModel,

                                IEventAggregator eventAggregator,

                                INewsReaderPresenter readerPresenter) :

            this(regionManager, articlePresentationModel, eventAggregator)

        {

            this.readerPresenter = readerPresenter;

        }



        public void ShowNews(string companySymbol)

        {

            articlePresentationModel.SetTickerSymbol(companySymbol);

        }



        public void CurrentNewsArticleChanged(NewsArticle article)

        {

            this.readerPresenter.SetNewsArticle(article);

        }



        public void ShowNewsReader()

        {

            readerPresenter.Show();

        }

    }

}