class/System.Web.Mvc/System.Web.Mvc/ViewUserControl`1.cs

   1 /* ****************************************************************************
   2  *
   3  * Copyright (c) Microsoft Corporation. All rights reserved.
   4  *
   5  * This software is subject to the Microsoft Public License (Ms-PL).
   6  * A copy of the license can be found in the license.htm file included
   7  * in this distribution.
   8  *
   9  * You must not remove this notice, or any other, from this software.
  10  *
  11  * ***************************************************************************/
  12
  13 namespace System.Web.Mvc {
  14     using System.Diagnostics.CodeAnalysis;
  15
  16     public class ViewUserControl<TModel> : ViewUserControl where TModel : class {
  17         private AjaxHelper<TModel> _ajaxHelper;
  18         private HtmlHelper<TModel> _htmlHelper;
  19         private ViewDataDictionary<TModel> _viewData;
  20
  21         public new AjaxHelper<TModel> Ajax {
  22             get {
  23                 if (_ajaxHelper == null) {
  24                     _ajaxHelper = new AjaxHelper<TModel>(ViewContext, this);
  25                 }
  26                 return _ajaxHelper;
  27             }
  28         }
  29
  30         public new HtmlHelper<TModel> Html {
  31             get {
  32                 if (_htmlHelper == null) {
  33                     _htmlHelper = new HtmlHelper<TModel>(ViewContext, this);
  34                 }
  35                 return _htmlHelper;
  36             }
  37         }
  38
  39         public new TModel Model {
  40             get {
  41                 return ViewData.Model;
  42             }
  43         }
  44
  45         [SuppressMessage("Microsoft.Usage", "CA2227:CollectionPropertiesShouldBeReadOnly")]
  46         public new ViewDataDictionary<TModel> ViewData {
  47             get {
  48                 EnsureViewData();
  49                 return _viewData;
  50             }
  51             set {
  52                 SetViewData(value);
  53             }
  54         }
  55
  56         protected override void SetViewData(ViewDataDictionary viewData) {
  57             _viewData = new ViewDataDictionary<TModel>(viewData);
  58
  59             base.SetViewData(_viewData);
  60         }
  61     }
  62 }