static void Main(string[] args)
{
// создание одного издателя событий
var newsAggregator = new NewsAggregator();
// создание трех наблюдателей
var twitterWidget = new TwitterWidget();
var lentaWidget = new LentaWidget();
var tvWidget = new TvWidget();
// подписка наблюдателей на событие NewsChanged издателя
//System.Console.WriteLine(newsAggregator.NewsChanged);
newsAggregator.NewsChanged += twitterWidget.Update;
//System.Console.WriteLine(newsAggregator.NewsChanged);
newsAggregator.NewsChanged += lentaWidget.Update;
//System.Console.WriteLine(newsAggregator.NewsChanged);
newsAggregator.NewsChanged += tvWidget.Update;
//System.Console.WriteLine(newsAggregator.NewsChanged);
newsAggregator.NewNewsAvailable();
Console.WriteLine();
newsAggregator.NewsChanged -= twitterWidget.Update;
newsAggregator.NewNewsAvailable();
Console.WriteLine();
newsAggregator.NewNewsAvailable();
Console.ReadLine();
}
public void NotifyTwitter()
{
var aggregator = new NewsAggregator();
var twitter = new TwitterWidget();
aggregator.RegistedWidget(twitter);
aggregator.NotifyWidgets();
aggregator.UnregisterWidget(twitter);
twitter.Display();
}
private TwitterWidget CreateModel()
{
var dataSourceId = RenderingContext.CurrentOrNull.Rendering.DataSource;
var item = Sitecore.Context.Database.GetItem(dataSourceId);
var twitterWidget = new TwitterWidget()
{
Title = new HtmlString(FieldRenderer.Render(item, "Title")),
HashTag = item.Fields["HashTag"].Value
};
return(twitterWidget);
}
void Start()
{
NewsAggregator newsAggregator = new NewsAggregator();
var twitterWidget = new TwitterWidget(newsAggregator);
var lentaWidget = new LentaWidget(newsAggregator);
var tvWidget = new TvWidget(newsAggregator);
newsAggregator.NewNewsAvalible();
Debug.Log("------------------------------------------------------------------------------");
twitterWidget.RemoveFromSubject();
newsAggregator.NewNewsAvalible();
}
void Start()
{
newsAggregator = new NewsAgregator();
twitterWidget = new TwitterWidget(newsAggregator);
lentaWidget = new LentaWidget(newsAggregator);
tvWidget = new TvWidget(newsAggregator);
newsAggregator.NeNewsAvalable(); // оповещение
twitterWidget.RemoveFromSubject(); // удаление из оповещаемых
newsAggregator.NeNewsAvalable(); // оповещение
}
static void Main(string[] args)
{
//объявление новых наблюдателей (виджетов)
var newsAggregator = new NewsAggregator();
var twitterWidget = new TwitterWidget(newsAggregator); // регистрация во время создания объекта
var lentaWidget = new LentaWidget(newsAggregator);
var tvWidget = new TvWidget(newsAggregator);
//вызов метода, производящего обновление новостей
newsAggregator.NewNewsAvailable();
Console.WriteLine();
newsAggregator.NewNewsAvailable();
Console.ReadLine();
}
static void Main(string[] args)
{
var newsAggregator = new NewsAggregator();
var twitterWidget = new TwitterWidget(newsAggregator);
var lentaWidget = new LentaWidget(newsAggregator);
var tvWidget = new TvWidget(newsAggregator);
newsAggregator.NewNewsAvailable();
Console.WriteLine();
twitterWidget.RemoveFormSubject();
newsAggregator.NewNewsAvailable();
Console.ReadLine();
}
static void Main()
{
var newsAggregator = new NewsAggregator();
var twitterWidget = new TwitterWidget(newsAggregator);
var lentaWidget = new LentaWidget(newsAggregator);
var tvWidget = new TvWidget(newsAggregator);
newsAggregator.NewNewsAvailable();
Console.WriteLine();
twitterWidget.Unsubscribe();
newsAggregator.NewNewsAvailable();
}
static void Main(string[] args)
{
var newsAggregator = new NewsAggregator();
var instagramWidget = new InstagramWidget();
var twitterWidget = new TwitterWidget();
newsAggregator.NewsChanged += new NewsChangedEventHandler(instagramWidget.Update);
newsAggregator.NewsChanged += new NewsChangedEventHandler(twitterWidget.Update);
newsAggregator.NewNewsAvailable();
Console.WriteLine();
newsAggregator.NewsChanged -= new NewsChangedEventHandler(instagramWidget.Update);
newsAggregator.NewNewsAvailable();
Console.ReadLine();
}
static void Main(string[] args)
{
var newsAggregator = new NewsAggregator();
var twitterWidget = new TwitterWidget();
var lentaWidget = new LentaWidget();
var tvWidget = new TvWidget();
newsAggregator.NewsChanged += twitterWidget.Update;
newsAggregator.NewsChanged += lentaWidget.Update;
newsAggregator.NewsChanged += tvWidget.Update;
newsAggregator.NewNewsAvailable();
Console.WriteLine();
newsAggregator.NewsChanged -= twitterWidget.Update;
newsAggregator.NewNewsAvailable();
Console.ReadLine();
}
static void Main(string[] args)
{
var newsAggregator = new NewsAggregator();
var twitterWidget = new TwitterWidget();
var lentaWidget = new LentaWidget();
var tvWidget = new TvWidget();
//handlers can be matched inside ctor of widget class
//newsAggregator.NewsChanged += (s, a) => Console.WriteLine("{0} say: {1}, {2}, {3}", s, a.Lenta, a.Tv, a.Twitter);
newsAggregator.NewsChanged += twitterWidget.Update;
newsAggregator.NewsChanged += lentaWidget.Update;
newsAggregator.NewsChanged += tvWidget.Update;
newsAggregator.NewNewsAvailable();
Console.WriteLine();
newsAggregator.NewsChanged -= twitterWidget.Update;
newsAggregator.NewNewsAvailable();
Console.ReadLine();
}
