public static IDisposable RenderWrapper(this HtmlHelper html, string name, object model = null)
{
var logger = ObjectFactory.GetInstance<Logger>();
if (html == null)
{
logger.Error("[HtmlHelpers].[RenderWrapperExtensions].[RenderWrapper] throwing exception ([html] == null).");
throw new ArgumentNullException("html");
}
if (name == null)
{
logger.Error("[HtmlHelpers].[RenderWrapperExtensions].[RenderWrapper] throwing exception ([name] == null).");
throw new ArgumentNullException("name");
}
var partial = html.Partial(name, model).ToHtmlString();
var parts = partial.Split(new [] { placeholderString }, StringSplitOptions.RemoveEmptyEntries);
if (parts.Length != 2)
{
logger.Error("[HtmlHelpers].[RenderWrapperExtensions].[RenderWrapper] throwing exception ([parts].[Length] != 2).");
throw new ArgumentException("Partial does not contains exactly one RenderWrapperPlaceholder.", "name");
}
var onBeginData = new OnBeginData(html.ViewContext.HttpContext.Response, parts[0]);
var onEndData = new OnEndData(html.ViewContext.HttpContext.Response, parts[1]);
return new DisposableExtensionResult<OnBeginData, OnEndData> (BeginRenderWrapper,
EndRenderWrapper, onBeginData, onEndData);
}
// ending
private static void EndRenderWrapper(OnEndData data)
{
data.Response.Write(data.ClosingPart);
}