C:/Private/OSS/n2cms/github/n2cms/src/Framework/Extensions/Web/Mvc/Html/ItemHelper.cs

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using System;
using N2.Engine;
using N2.Web.Parts;
using N2.Web.UI;
using System.Web.Mvc;

namespace N2.Web.Mvc.Html
{
        public abstract class ItemHelper
        {
                PartsAdapter partsAdapter;
                MvcAdapter mvcAdapter;
                ContentItem currentItem;

        protected ItemHelper(HtmlHelper helper, ContentItem currentItem)
        {
                        Html = helper;
            CurrentItem = currentItem;
                }

                protected HtmlHelper Html { get; set; }

        protected ContentItem CurrentItem
        {
            get { return currentItem ?? (currentItem = Html.CurrentItem()); }
            set { this.currentItem = value; }
        }

                protected virtual PartsAdapter PartsAdapter
                {
                        get
                        {
                                if (partsAdapter == null)
                                        partsAdapter = Adapters.ResolveAdapter<PartsAdapter>(CurrentItem);
                                return partsAdapter;
                        }
                }

                protected virtual MvcAdapter MvcAdapter
                {
                        get
                        {
                                if (mvcAdapter == null)
                                        mvcAdapter = Adapters.ResolveAdapter<MvcAdapter>(CurrentItem);
                                return mvcAdapter;
                        }
                }

                [Obsolete]
                protected virtual MvcAdapter GetMvcAdapterFor(Type contentType)
                {
                        return Adapters.ResolveAdapter<MvcAdapter>(contentType);
                }

                protected IContentAdapterProvider Adapters
                {
                        get { return Html.ResolveService<IContentAdapterProvider>(); }
                }
        }
}