public static MvcRenderingContext GetFromViewContext(ViewContext viewContext)
{
object contextObj;
MvcRenderingContext context = null;
if (viewContext.ViewData.TryGetValue(ContextKey, out contextObj))
{
context = contextObj as MvcRenderingContext;
}
return(context);
}
internal static MvcRenderingContext Build(ViewContext viewContext, IViewDataContainer viewDataContainer, TextWriter writer)
{
var context = GetFromViewContext(viewContext);
if (context != null)
{
return(context);
}
MvcRenderingContext parentContext = null;
if (viewContext.ParentActionViewContext != null)
{
parentContext = GetFromViewContext(viewContext.ParentActionViewContext);
}
context = new MvcRenderingContext(viewContext, viewDataContainer, writer, parentContext);
viewContext.ViewData.Add(ContextKey, context);
return(context);
}
protected virtual MvcRenderingContext ResolveContext(ViewContext viewContext, IViewDataContainer viewDataContainer, TextWriter writer)
{
return(MvcRenderingContext.Build(viewContext, viewDataContainer, writer));
}