public static void Directive <T>(this Module module)
{
Type type = typeof(T);
// TODO when there will be IsSubClassOf
//if(!type.IsSubclassOf(DirectiveDefinition)) throw new Exception(String.Format("{0} is not sub class of {1}",type.Name,typeof(DirectiveDefinition).Name);
DirectiveDefinition dirob = (DirectiveDefinition)Activator.CreateInstance(type);
Function fun = CreateDirectiveFunction(dirob);
var parameters = Angular.Injector().Annotate(fun);
var fcall = fun.CreateFunctionCall(parameters);
Directive(module, dirob.Name, fcall);
}
private static Function CreateDirectiveFunction(DirectiveDefinition def)
{
object defob = def.CreateDefinitionObject();
List <string> parameters = new List <string>();
List <string> fnames = new List <string>();
Type type = def.DirectiveController;
object SharedController = ((dynamic)defob).controller;
if (type != null)
{
parameters = Angular.Injector().Annotate(type.GetConstructorFunction());
fnames = type.GetInstanceMethodNames();
}
string body = "";
body += "var $obdef = " + Json.Stringify(defob) + ";\r\n";
if (type != null)
{
if (fnames.Contains("Link"))
{
body += "var $outer_arguments = arguments;\r\n";
body += "$obdef.link = function(_scope) { \r\n";
// save isolated scope bindings that would be overwritten by constructor initialization
foreach (ScopeBindings sb in def.ScopeAttributes)
{
body += String.Format("var $$saved_{0} = _scope.{0};\r\n", sb.AttributeName);
}
foreach (string funcname in fnames)
{
body += String.Format(" _scope.{1} = {0}.prototype.{1}.bind(_scope);\r\n", type.FullName, funcname);
}
body += String.Format(" {0}.apply(_scope,$outer_arguments);\r\n", type.FullName);
// retrieves back saved isolated scope bindings
foreach (ScopeBindings sb in def.ScopeAttributes)
{
body += String.Format("_scope.{0} = $$saved_{0};\r\n", sb.AttributeName);
}
body += " _scope.Link.apply(_scope,arguments);\r\n";
body += "}\r\n";
}
else
{
throw new Exception("Link() method not defined in directive controller");
}
}
if (SharedController != null)
{
body += "$obdef.controller = " + SharedController.ToString() + ";";
}
body += "return $obdef;\r\n";
return(TypeExtensionMethods.CreateNewFunction(parameters, body));
}
