internal static IHtmlString MVCGrid(this HtmlHelper helper, string name, IMVCGridDefinition grid, object pageParameters)
{
GridEngine ge = new GridEngine();
string html = ge.GetBasePageHtml(helper, name, grid, pageParameters);
return MvcHtmlString.Create(html);
}
private static string RenderPreloadedGridHtml(HtmlHelper helper, IMVCGridDefinition grid, string gridName, object pageParameters, QueryOptions options = null)
{
string preload = "";
if (options == null)
{
options = GridOptionParser.ParseOptions(grid, gridName, System.Web.HttpContext.Current.Request);
}
// 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 Models.RenderingMode.RenderingEngine:
preload = RenderUsingRenderingEngine(engine, gridContext);
break;
case Models.RenderingMode.Controller:
preload = RenderUsingController(engine, gridContext, helper);
break;
default:
throw new InvalidOperationException();
}
return(preload);
}
private static string RenderUsingRenderingEngine(GridEngine engine, Models.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, Models.GridContext gridContext, HtmlHelper helper)
{
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());
}
}
public ActionResult Grid()
{
var context = System.Web.HttpContext.Current;
string gridName = context.Request["Name"];
var grid = MVCGridDefinitionTable.GetDefinitionInterface(gridName);
var options = QueryStringParser.ParseOptions(grid, context.Request);
var gridContext = GridContextUtility.Create(context, gridName, grid, options);
GridEngine engine = new GridEngine();
if (!engine.CheckAuthorization(gridContext))
{
return new HttpStatusCodeResult(403, "Access denied");
}
var renderingModel = engine.GenerateModel(gridContext);
return PartialView(grid.ViewPath, renderingModel);
}
private static string RenderUsingRenderingEngine(GridEngine engine, Models.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, Models.GridContext gridContext, HtmlHelper helper)
{
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();
}
}
private static string RenderPreloadedGridHtml(HtmlHelper helper, IMVCGridDefinition grid, string gridName, object pageParameters)
{
string preload = "";
var options = QueryStringParser.ParseOptions(grid, System.Web.HttpContext.Current.Request);
// 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 Models.RenderingMode.RenderingEngine:
preload = RenderUsingRenderingEngine(engine, gridContext);
break;
case Models.RenderingMode.Controller:
preload = RenderUsingController(engine, gridContext, helper);
break;
default:
throw new InvalidOperationException();
}
return preload;
}
private void HandleTable(HttpContext context)
{
string gridName = context.Request["Name"];
//StringBuilder sbDebug = new StringBuilder();
//foreach (string key in context.Request.QueryString.AllKeys)
//{
// sbDebug.Append(key);
// sbDebug.Append(" = ");
// sbDebug.Append(context.Request.QueryString[key]);
// sbDebug.Append("<br />");
//}
var grid = MVCGridDefinitionTable.GetDefinitionInterface(gridName);
var options = QueryStringParser.ParseOptions(grid, context.Request);
var gridContext = GridContextUtility.Create(context, gridName, grid, options);
GridEngine engine = new GridEngine();
if (!engine.CheckAuthorization(gridContext))
{
//Forbidden
context.Response.StatusCode = 403;
context.Response.End();
return;
}
IMVCGridRenderingEngine renderingEngine = GridEngine.GetRenderingEngine(gridContext);
renderingEngine.PrepareResponse(context.Response);
engine.Run(renderingEngine, gridContext, context.Response.Output);
}