/// <summary>
/// Generates an AJAX JavaScript proxy for a given controller.
/// </summary>
/// <param name="context">The context of the current request</param>
/// <param name="proxyName">Name of the javascript proxy object</param>
/// <param name="controller">Controller which will be target of the proxy</param>
/// <param name="area">area which the controller belongs to</param>
public string GenerateJSProxy(IEngineContext context, string proxyName, string area, string controller)
{
var cacheKey = (area + "|" + controller).ToLower(CultureInfo.InvariantCulture);
var result = (String)ajaxProxyCache[cacheKey];
if (result != null)
{
return(WrapProxyIfNeeded(result));
}
logger.Debug("Ajax Proxy for area: '{0}', controller: '{1}' was not found. Generating a new one", area, controller);
var controllerType = controllerTree.GetController(area, controller);
if (controllerType == null)
{
logger.Fatal("Controller not found for the area and controller specified");
throw new MonoRailException("Controller not found with Area: '{0}', Name: '{1}'", area, controller);
}
var baseUrl = GetBaseUrl(area, controller, context);
// TODO: develop a smarter function generation, inspecting the return
// value of the action and generating a proxy that does the same.
// also, consider a proxy pattern for the Ajax.Updater.
var metaDescriptor = controllerDescriptorBuilder.BuildDescriptor(controllerType);
var functions = new StringBuilder();
functions.AppendLine("{");
for (var i = 0; i < metaDescriptor.AjaxActions.Count; i++)
{
var ajaxActionMethod = metaDescriptor.AjaxActions[i];
var ajaxActionAtt = GetSingleAttribute <AjaxActionAttribute>(ajaxActionMethod, true);
var httpRequestMethod = GetHTTPRequestMethod(ajaxActionMethod);
var extension = GetURLExtension(context);
var url = baseUrl + ajaxActionMethod.Name + extension;
var functionName = ToCamelCase(ajaxActionAtt.Name ?? ajaxActionMethod.Name);
var scriptFunctionParameters = GetScriptFunctionParameters(ajaxActionMethod.GetParameters());
functions.Append(
GenerateJavascriptFunction(url, functionName, httpRequestMethod, scriptFunctionParameters)
);
// js functions are seperated by a comma
if (metaDescriptor.AjaxActions.Count > 0 && i < metaDescriptor.AjaxActions.Count - 1)
{
functions.AppendLine(",");
}
}
functions.AppendLine("};");
ajaxProxyCache[cacheKey] = "var " + proxyName + " =" + Environment.NewLine + functions;
return(GenerateJSProxy(context, proxyName, area, controller));
}
public IController CreateController(string area, string controller)
{
var implType = controllerTree.GetController(area, controller);
if (implType == null)
{
throw new ControllerNotFoundException("Controller not found on the Windsor container instance. " +
"Have you registered it? Name: '" + controller + "' area: '" + area + "'");
}
return(CreateController(implType));
}