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 = GridOptionParser.ParseOptions(grid, gridName, 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);
}
public static IMVCGridRenderingEngine GetRenderingEngine(GridContext gridContext)
{
IMVCGridRenderingEngine renderingEngine = null;
if (!String.IsNullOrWhiteSpace(gridContext.QueryOptions.RenderingEngineName))
{
foreach (ProviderSettings configuredEngine in gridContext.GridDefinition.RenderingEngines)
{
if (String.Compare(gridContext.QueryOptions.RenderingEngineName, configuredEngine.Name, true) == 0)
{
string engineName = gridContext.QueryOptions.RenderingEngineName;
string typeString = gridContext.GridDefinition.RenderingEngines[engineName].Type;
Type engineType = Type.GetType(typeString, true);
renderingEngine = (IMVCGridRenderingEngine)Activator.CreateInstance(engineType, true);
}
}
}
if (renderingEngine == null)
{
renderingEngine = GetRenderingEngineInternal(gridContext.GridDefinition);
}
return(renderingEngine);
}
internal static string GenerateGrid(string gridName, out int statusCode, NameValueCollection nameValueCollection = null)
{
if (nameValueCollection == null)
{
nameValueCollection = new NameValueCollection();
}
statusCode = 200;
IMVCGridDefinition grid = MVCGridDefinitionTable.GetDefinitionInterface(gridName);
QueryOptions options = QueryStringParser.ParseOptions(grid, nameValueCollection);
GridContext gridContext = MVCGrid.NetCore.Utility.GridContextUtility.Create(/*context, */ gridName, grid, options);
GridEngine engine = new GridEngine();
if (!engine.CheckAuthorization(gridContext))
{
//Forbidden
statusCode = 403;
return(string.Empty);
}
IMVCGridRenderingEngine renderingEngine = GridEngine.GetRenderingEngine(gridContext);
// TODO: Reimplement this for csv exports and other rendering responses.
//renderingEngine.PrepareResponse(context.Response);
StringBuilder sb = new StringBuilder();
TextWriter htmlWriter = new StringWriter(sb);
engine.Run(renderingEngine, gridContext, htmlWriter);
string html = sb.ToString();
return(html);
}
public void Run(IMVCGridRenderingEngine renderingEngine, GridContext gridContext, TextWriter outputStream)
{
if (!renderingEngine.AllowsPaging)
{
gridContext.QueryOptions.ItemsPerPage = null;
}
var model = GenerateModel(gridContext);
renderingEngine.Render(model, gridContext, outputStream);
}
public void Run(IMVCGridRenderingEngine renderingEngine, GridContext gridContext, TextWriter outputStream)
{
if (!renderingEngine.AllowsPaging)
{
gridContext.QueryOptions.ItemsPerPage = null;
}
var model = GenerateModel(gridContext);
renderingEngine.Render(model, gridContext, outputStream);
}
private static string RenderContainerUsingRenderingEngine(IMVCGridDefinition gridDefinition, ContainerRenderingModel model)
{
IMVCGridRenderingEngine renderingEngine = GetRenderingEngineInternal(gridDefinition);
using (MemoryStream ms = new MemoryStream())
{
using (TextWriter tw = new StreamWriter(ms))
{
renderingEngine.RenderContainer(model, tw);
}
return(LocalEncoding.GetString(ms.ToArray()));
}
}
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);
}
}
internal static IMVCGridRenderingEngine GetRenderingEngineInternal(IMVCGridDefinition gridDefinition)
{
string engineName = gridDefinition.DefaultRenderingEngineName;
if (gridDefinition.RenderingEngines[engineName] == null)
{
throw new Exception(String.Format("The requested default rendering engine '{0}' was not found.", engineName));
}
string typeString = gridDefinition.RenderingEngines[engineName].Type;
Type engineType = Type.GetType(typeString, true);
IMVCGridRenderingEngine renderingEngine = (IMVCGridRenderingEngine)Activator.CreateInstance(engineType, true);
return(renderingEngine);
}
