private static string RenderPreloadedGridHtml(IMVCGridDefinition grid, string gridName, object pageParameters)
{
string preload = string.Empty;
var options = QueryStringParser.ParseOptions(grid, HttpHelper.HttpContext.Request.ToNameValueCollection());
// set the page parameters for the preloaded grid
Dictionary <string, string> pageParamsDict = new Dictionary <string, string>(StringComparer.OrdinalIgnoreCase);
if (pageParameters != null)
{
foreach (PropertyDescriptor descriptor in TypeDescriptor.GetProperties(pageParameters))
{
object obj2 = descriptor.GetValue(pageParameters);
pageParamsDict.Add(descriptor.Name, obj2.ToString());
}
}
if (grid.PageParameterNames.Count > 0)
{
foreach (var aqon in grid.PageParameterNames)
{
string val = "";
if (pageParamsDict.ContainsKey(aqon))
{
val = pageParamsDict[aqon];
}
options.PageParameters[aqon] = val;
}
}
var gridContext = GridContextUtility.Create(/*HttpContext.Current,*/ gridName, grid, options);
GridEngine engine = new GridEngine();
switch (grid.RenderingMode)
{
case RenderingMode.RenderingEngine:
preload = RenderUsingRenderingEngine(engine, gridContext);
break;
// TODO: Enable support for controller rendering
//case Models.RenderingMode.Controller:
// preload = RenderUsingController(engine, gridContext);
// break;
default:
throw new InvalidOperationException();
}
return(preload);
}
private static string RenderUsingRenderingEngine(GridEngine engine, GridContext gridContext)
{
IMVCGridRenderingEngine renderingEngine = GetRenderingEngine(gridContext);
using (MemoryStream ms = new MemoryStream())
{
using (TextWriter tw = new StreamWriter(ms))
{
engine.Run(renderingEngine, gridContext, tw);
}
string result = LocalEncoding.GetString(ms.ToArray());
return(result);
}
}
private static string RenderUsingController(GridEngine engine, GridContext gridContext)
{
return(string.Empty);
//var model = engine.GenerateModel(gridContext);
//var controllerContext = helper.ViewContext.Controller.ControllerContext;
//ViewDataDictionary vdd = new ViewDataDictionary(model);
//TempDataDictionary tdd = new TempDataDictionary();
//using (var sw = new StringWriter())
//{
// var viewResult = ViewEngines.Engines.FindPartialView(controllerContext,
// gridContext.GridDefinition.ViewPath);
// var viewContext = new ViewContext(controllerContext, viewResult.View, vdd, tdd, sw);
// viewResult.View.Render(viewContext, sw);
// viewResult.ViewEngine.ReleaseView(controllerContext, viewResult.View);
// return sw.GetStringBuilder().ToString();
//}
}
