/// <summary>
/// Renders the using controller.
/// </summary>
/// <param name="engine">The engine.</param>
/// <param name="gridContext">The grid context.</param>
/// <param name="helper">The helper.</param>
/// <returns>System.String.</returns>
/// TODO Edit XML Comment Template for RenderUsingController
private static string RenderUsingController(
GridEngine engine,
GridContext gridContext,
HtmlHelper helper)
{
var model = engine.GenerateModel(gridContext);
var controllerContext = helper.ViewContext.Controller
.ControllerContext;
var vdd = new ViewDataDictionary(model);
var 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());
}
}
/// <summary>
/// Renders the using rendering engine.
/// </summary>
/// <param name="engine">The engine.</param>
/// <param name="gridContext">The grid context.</param>
/// <returns>System.String.</returns>
/// TODO Edit XML Comment Template for RenderUsingRenderingEngine
private static string RenderUsingRenderingEngine(
GridEngine engine,
GridContext gridContext)
{
var renderingEngine = GetRenderingEngine(gridContext);
using (var ms = new MemoryStream())
{
using (TextWriter tw = new StreamWriter(ms))
{
engine.Run(renderingEngine, gridContext, tw);
}
var result = LocalEncoding.GetString(ms.ToArray());
return(result);
}
}
/// <summary>
/// Renders the preloaded grid HTML.
/// </summary>
/// <param name="helper">The helper.</param>
/// <param name="grid">The grid.</param>
/// <param name="gridName">Name of the grid.</param>
/// <param name="pageParameters">The page parameters.</param>
/// <returns>System.String.</returns>
/// <exception cref="InvalidOperationException"></exception>
/// TODO Edit XML Comment Template for RenderPreloadedGridHtml
private static string RenderPreloadedGridHtml(
HtmlHelper helper,
IMvcGridDefinition grid,
string gridName,
object pageParameters)
{
string preload;
var options =
QueryStringParser.ParseOptions(
grid,
HttpContext.Current.Request);
var pageParamsDict =
new Dictionary <string, string>(
StringComparer.OrdinalIgnoreCase);
if (pageParameters != null)
{
foreach (PropertyDescriptor descriptor in TypeDescriptor
.GetProperties(pageParameters))
{
var obj2 = descriptor.GetValue(pageParameters);
if (obj2 != null)
{
pageParamsDict.Add(descriptor.Name, obj2.ToString());
}
}
}
if (grid.PageParameterNames.Count > 0)
{
foreach (var aqon in grid.PageParameterNames)
{
var val = "";
if (pageParamsDict.ContainsKey(aqon))
{
val = pageParamsDict[aqon];
}
options.PageParameters[aqon] = val;
}
}
var gridContext = GridContextUtility.Create(
HttpContext.Current,
gridName,
grid,
options);
var engine = new GridEngine();
switch (grid.RenderingMode)
{
case RenderingMode.RenderingEngine:
preload = RenderUsingRenderingEngine(engine, gridContext);
break;
case RenderingMode.Controller:
preload =
RenderUsingController(engine, gridContext, helper);
break;
default: throw new InvalidOperationException();
}
return(preload);
}
