public static string[] FixAnnotation(Type type, params string[] annotations)
{
Injectable constructor = type.GetConstructorFunction();
string[] parameters = null;
if (annotations != null && annotations.Length > 0)
{
// annotations are specified as argument
parameters = annotations;
}
else
{
var attrs = type.GetCustomAttributes(typeof(InjectAttribute), true);
if (attrs.Length != 0)
{
// annotations are specified with the [Inject] decorator
parameters = (attrs[0] as InjectAttribute).Injectables;
}
// TODO check Inject attribute in constructors too?
else
{
// annotations are read from constructor parameter names
// fix "$" in parameter names
parameters = PatchDollarName(Angular.Injector().Annotate(constructor));
}
}
// annotations are stored in type.$inject
constructor.Inject = parameters;
return(parameters);
}
private static Function CreateAnimationFunction(Type type)
{
string body = "";
string thisref = "this";
body += "var $animob = {};\r\n";
// gets and annotate constructor parameter; annotations are stored in type.$inject
var parameters = Angular.Injector().Annotate(type.GetConstructorFunction());
// takes method into $scope, binding "$scope" to "this"
foreach (string funcname in type.GetInstanceMethodNames())
{
body += String.Format("{2}.{1} = {0}.prototype.{1}.bind({2});\r\n", type.FullName, funcname, thisref);
if (funcname == "Start" || funcname == "Setup" || funcname == "Cancel")
{
body += String.Format("$animob.{0} = {2}.{1};\r\n", funcname.ToLower(), funcname, thisref);
}
}
// put call at the end so that methods are defined first
body += String.Format("{0}.apply({1},arguments);\r\n", type.FullName, thisref);
body += String.Format("return $animob;\r\n");
return(TypeExtensionMethods.CreateNewFunction(parameters, body));
}
//[InlineCode("{module}.service({$System.Script}.getTypeName({T}),{T})")]
public static void Service <T>(this Module module)
{
Type type = typeof(T);
var parameters = Angular.Injector().Annotate(type.GetConstructorFunction());
type.ToFunction().CreateFunctionCall(parameters); // only used to fix the "_" to "$" in type.$inject
string servicename = typeof(T).Name;
Service(module, servicename, type);
}
// Providers are injectable classes containing a callable method that returns a new instance of the service.
// Both the class and the factory methods have different injections because they are called at distinct times.
// The class (constructor function) is called at config phase, while the method is called when the service
// needs to be instantiated. For convention, the class must me named with suffix "Provider" and the method
// must be of equal name without the suffix (e.g. "UserProvider" and "User").
public static void Provider <T>(this Module module, params string[] annotations)
{
Type type = typeof(T);
var parameters = FixAnnotation(type, annotations);
var plist = CommaSeparatedList(parameters);
string providerName = type.FullName;
if (!providerName.EndsWith("Provider"))
{
throw new Exception("provider names must end with the suffix 'Provider'");
}
string serviceName = providerName.Substring(0, providerName.Length - 8);
string[] annotations_factory_method = null;
Function factory_method = type.GetMethodAsFunction(serviceName);
if (Angular.IsUndefined(factory_method))
{
throw new Exception("provider class must contain a factory method named '" + serviceName + "'");
}
// looks for factory method, and its Inject attribute
foreach (var method in type.GetMethods(BindingFlags.Instance | BindingFlags.Public))
{
if (method.Name == serviceName)
{
object[] attrs = method.GetCustomAttributes(typeof(InjectAttribute));
if (attrs != null && attrs.Length > 0)
{
InjectAttribute attr = attrs[0] as InjectAttribute;
annotations_factory_method = attr.Injectables;
break;
}
}
}
if (annotations_factory_method == null)
{
// if [Inject] was not specified, look for inline annotations
annotations_factory_method = PatchDollarName(Angular.Injector().Annotate(factory_method));
}
// Inject annotations for the factory method
Injectable.From(factory_method).Inject = annotations_factory_method;
// creates a wrapped function around the provider class. The provider class in instantiated and the $get is filled.
string body = "var $ob = new " + type.FullName + "(" + plist + "); $ob.$get = $ob." + serviceName + "; return $ob;";
Function F = new Function(parameters, body);
Injectable.From(F).Inject = parameters;
Provider(module, serviceName, F);
}
public static void Animation <T>(this Module module, string name = null)
{
Type type = typeof(T);
// TODO when there will be IsSubClassOf
//if(!type.IsSubclassOf(DirectiveDefinition)) throw new Exception(String.Format("{0} is not sub class of {1}",type.Name,typeof(DirectiveDefinition).Name);
Function fun = CreateAnimationFunction(type);
var parameters = Angular.Injector().Annotate(fun);
var fcall = fun.CreateFunctionCall(parameters);
Animation(module, name == null ? type.Name : name, fcall);
}
public static void Directive <T>(this Module module)
{
Type type = typeof(T);
// TODO when there will be IsSubClassOf
//if(!type.IsSubclassOf(DirectiveDefinition)) throw new Exception(String.Format("{0} is not sub class of {1}",type.Name,typeof(DirectiveDefinition).Name);
DirectiveDefinition dirob = (DirectiveDefinition)Activator.CreateInstance(type);
Function fun = CreateDirectiveFunction(dirob);
var parameters = Angular.Injector().Annotate(fun);
var fcall = fun.CreateFunctionCall(parameters);
Directive(module, dirob.Name, fcall);
}
public static Function BuildControllerFunction(this Type type, ThisMode this_mode, string return_function = null, bool return_function_call = false)
{
string body = "";
string thisref = "";
if (this_mode == ThisMode.NewObject)
{
thisref = "$self";
}
else if (this_mode == ThisMode.ScopeStrict)
{
thisref = "_scope";
}
else if (this_mode == ThisMode.Scope)
{
thisref = "_scope";
}
else if (this_mode == ThisMode.This)
{
thisref = "this";
}
if (this_mode == ThisMode.NewObject)
{
body += "var $self = new Object();";
}
// gets and annotate constructor parameter; annotations are stored in type.$inject
var parameters = Angular.Injector().Annotate(type.GetConstructorFunction());
if (this_mode == ThisMode.ScopeStrict)
{
// verifies that "scope" is the first parameter in constructor
if (parameters.Count < 1 || parameters[0] != "_scope")
{
throw new Exception(String.Format("Controller {0} must specify '_scope' as first parameter in its constructor", type.Name));
}
}
// takes method into $scope, binding "$scope" to "this"
foreach (string funcname in type.GetInstanceMethodNames())
{
body += String.Format("{2}.{1} = {0}.prototype.{1}.bind({2});\r\n", type.FullName, funcname, thisref);
}
// put call at the end so that methods are defined first
body += String.Format("{0}.apply({1},arguments);\r\n", type.FullName, thisref);
if (return_function != null)
{
if (return_function_call)
{
body += String.Format("return {1}.{0}();\r\n", return_function, thisref);
}
else
{
body += String.Format("return {1}.{0} ;\r\n", return_function, thisref);
}
if (!type.GetInstanceMethodNames().Contains(return_function))
{
throw new Exception("function '" + return_function + "' not defined in controller '" + type.Name + "'");
}
}
return(TypeExtensionMethods.CreateNewFunction(parameters, body));
}
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));
}
