aspnetcore/src/Microsoft.AspNet.Mvc.Core/ViewComponents/ViewComponent.cs

70 lines
1.8 KiB
C#

// Copyright (c) Microsoft Open Technologies, Inc. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using Microsoft.AspNet.Http;
using Microsoft.AspNet.Mvc.Rendering;
namespace Microsoft.AspNet.Mvc
{
[ViewComponent]
public abstract class ViewComponent
{
private dynamic _viewBag;
public HttpContext Context
{
get { return ViewContext == null ? null : ViewContext.HttpContext; }
}
public IViewComponentResultHelper Result { get; private set; }
public dynamic ViewBag
{
get
{
if (_viewBag == null)
{
_viewBag = new DynamicViewData(() => ViewData);
}
return _viewBag;
}
}
public ViewContext ViewContext { get; set; }
public ViewDataDictionary ViewData { get; set; }
public void Initialize(IViewComponentResultHelper result)
{
Result = result;
}
public IViewComponentResult View()
{
return View<object>(null, null);
}
public IViewComponentResult View(string viewName)
{
return View<object>(viewName, null);
}
public IViewComponentResult View<TModel>(TModel model)
{
return View(null, model);
}
public IViewComponentResult View<TModel>(string viewName, TModel model)
{
var viewData = new ViewDataDictionary<TModel>(ViewData);
if (model != null)
{
viewData.Model = model;
}
return Result.View(viewName ?? "Default", viewData);
}
}
}