LIOT/Framework/Bowin.Web.Controls.Mvc/HtmlHelperExtensions/uploaderExtensions.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Linq.Expressions;
using Bowin.Web.Controls.Mvc;
namespace System.Web.Mvc
{
   public static class UploaderExtensions
    {
        public static MvcHtmlString UploaderFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper
            , Expression<Func<TModel, TProperty>> expression
            , IDictionary<string, object> attributes = null
            , FileType fileType = FileType.ALL)
        {
            if (expression == null)
            {
                throw new ArgumentNullException("expression");
            }
            ModelMetadata modelMetadata = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, htmlHelper.ViewData);
            string fullHtmlFieldName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(ExpressionHelper.GetExpressionText(expression));
            UrlHelper urlhelper = new UrlHelper(htmlHelper.ViewContext.RequestContext);
            StringBuilder sb = new StringBuilder();
            sb.AppendFormat("<link href=\"{0}\" rel=\"stylesheet\" type=\"text/css\" />\r\n", urlhelper.Content("~/Scripts/Bowin.Control.Core/Plugins/uploadifyFile/OwnUploadify.css"));
            sb.Append(Bowin.Web.Controls.Mvc.Uploader.CreateControl(new uploaderOption() { Name = fullHtmlFieldName, MainTableID = modelMetadata.Model }, attributes, fileType).Render(urlhelper));
            return MvcHtmlString.Create(sb.ToString());
        }
        public static MvcHtmlString Uploader(this HtmlHelper htmlHelper, uploaderOption _uploaderOption, IDictionary<string, object> attributes = null, FileType fileType = FileType.ALL)
        {
            StringBuilder sb = new StringBuilder();
            UrlHelper urlhelper = new UrlHelper(htmlHelper.ViewContext.RequestContext);
            sb.AppendFormat("<link href=\"{0}\" rel=\"stylesheet\" type=\"text/css\" />\r\n", urlhelper.Content("~/Scripts/Bowin.Control.Core/Plugins/uploadifyFile/OwnUploadify.css"));
            sb.Append(Bowin.Web.Controls.Mvc.Uploader.CreateControl(_uploaderOption, attributes, fileType).Render(urlhelper));
            return MvcHtmlString.Create(sb.ToString());
        }
        public static MvcHtmlString Uploader(this HtmlHelper htmlHelper, IDictionary<string, object> attributes = null, FileType fileType = FileType.ALL)
        {
            StringBuilder sb = new StringBuilder();
            UrlHelper urlhelper = new UrlHelper(htmlHelper.ViewContext.RequestContext);
            sb.AppendFormat("<link href=\"{0}\" rel=\"stylesheet\" type=\"text/css\" />\r\n", urlhelper.Content("~/Scripts/Bowin.Control.Core/Plugins/uploadifyFile/OwnUploadify.css"));
            sb.Append(Bowin.Web.Controls.Mvc.Uploader.CreateControl(new uploaderOption(), attributes, fileType).Render(urlhelper));
            return MvcHtmlString.Create(sb.ToString());
        }

        public static MvcHtmlString SingleUploaderFor<TModel, TProperty>(this HtmlHelper<TModel> htmlHelper
             , Expression<Func<TModel, TProperty>> expression
             , IDictionary<string, object> attributes = null)
        {
            if (expression == null)
            {
                throw new ArgumentNullException("expression");
            }
            //ModelMetadata modelMetadata = ModelMetadata.FromLambdaExpression<TModel, TProperty>(expression, htmlHelper.ViewData);
            string fullHtmlFieldName = htmlHelper.ViewContext.ViewData.TemplateInfo.GetFullHtmlFieldName(ExpressionHelper.GetExpressionText(expression));

            TagBuilder tabBuilder = new TagBuilder("input");
            tabBuilder.MergeAttribute("type", "file");
            tabBuilder.MergeAttribute("name", fullHtmlFieldName);
            if (attributes != null)
            {
                tabBuilder.MergeAttributes(attributes);
            }

            return MvcHtmlString.Create(tabBuilder.ToString(TagRenderMode.SelfClosing));
        }
    }
}