/// <summary>
/// invokes the action in a controller
/// databindign the parameters from the propertybag
/// the convetion is to user the same name
/// propertybag["users"]
/// action(User[] users) will be bound, while if the name in the property bag is users and
/// the parameter is
/// action(Users[] u) it won't
/// </summary>
/// <param name="controller"></param>
/// <param name="actionName"></param>
/// <param name="clearPropertyBagAfterDataBind"></param>
public static void InvokeActionInController(Controller controller, string actionName,
bool clearPropertyBagAfterDataBind)
{
//invoke action
MethodBase action;
try
{
action = controller.GetType().GetMethod(actionName);
}
catch (AmbiguousMatchException ex)
{
throw new AmbiguousActionNameException(controller.GetType().Name, actionName, ex);
}
if (action == null) throw new ActionNotFoundException(controller.GetType().Name, actionName);
try
{
//databind parameters with the same name
object[] args = DataBindParameters(controller, action);
//clear property bag
if (clearPropertyBagAfterDataBind) controller.PropertyBag.Clear();
//invoke action
action.Invoke(controller, args);
}
catch (TargetInvocationException ex)
{
throw new ControllerActionInternalException(
String.Format(
"Exception invoking action {1} in controller {0}. Check the values of the parameters in the log.",
controller.GetType(), actionName), ex.InnerException);
// new ActionNotFoundException(String.Format("Controller {0} does not contain an action {1}",controller.GetType().Path,actionName),ex);
}
}
private static object[] DataBindParameters(Controller controller, MethodBase action)
{
ParameterInfo[] param = action.GetParameters();
object[] args = new object[param.Length];
foreach (ParameterInfo info in param)
{
string name = info.Name;
Type type = info.ParameterType;
if (controller.PropertyBag[name] != null)
{
// Console.WriteLine("type:"+type);
// Console.WriteLine("Base:" + controller.PropertyBag[name].GetType().BaseType + " :" + controller.PropertyBag[name].GetType().BaseType.Equals(type));
// Console.WriteLine("getType:" + controller.PropertyBag[name].GetType() + " :" + controller.PropertyBag[name].GetType().Equals(type));
// Console.WriteLine("issubclass:"+controller.PropertyBag[name].GetType().IsSubclassOf(type));
if (controller.PropertyBag[name].GetType().BaseType.Equals(type) ||
controller.PropertyBag[name].GetType().Equals(type) ||
controller.PropertyBag[name].GetType().IsSubclassOf(type))
{
//info.RawDefaultValue =
args[info.Position] = controller.PropertyBag[name];
}
}
}
return args;
}
// [Traced(TracedAttribute.INFO)]
// protected PartialView RenderPartialView(string viewName, bool fromCache)
// {
// PartialView p = fromCache ? (PartialView)this.partialViews[viewName] : ReinstantiatePartialView(viewName);
// if (p == null) throw new ViewNotFoundException(String.Format("PartialView with name {0} not found", viewName));
// //transfer data to view, then databind
// p.PropertyBag = controller.PropertyBag;
//
// try
// {
// p.DataBind();
// }
// catch (Exception e)
// {
// throw new ViewDataBindException(String.Format("An exception {1} ocurred in DataBind method of view {0}", viewName, e), e);
// }
// return p;
//
// }
protected virtual string InvokeActionInController(string controllerName, string actionName, IDictionary args,
bool clearPropertyBagAfterDatabind)
{
//instattiate controller
if (controllerName.Contains(","))
throw new AmbiguousControllerNameException(
String.Format(
"Controller name {0} contains ,. Are you invoiking an Update or a Navigate in the view?",
controllerName), null);
controller = (Controller)this.controllers[controllerName];
if (controller == null)
throw new ControllerNotFoundException(
String.Format(
"Controller with name {0} not found in Navigator collected controllers. Are you sure it's added?",
controllerName));
controller.PropertyBag = args != null ? (Hashtable)args : new Hashtable();
//invoke action
controller.ViewToRender = controllerName + "/" + actionName;
// MethodBase action = controller.GetType().GetMethod(actionName);
// try
// {
// action.Invoke(controller, null);
// }
// catch (TargetInvocationException ex)
// {
// throw ex.InnerException;
// }
ActionInvoker.InvokeActionInController(controller, actionName, clearPropertyBagAfterDatabind);
//view to render
return controller.ViewToRender;
}
/// <summary>
/// invokes the action in a controller
/// databindign the parameters from the propertybag
/// the convetion is to user the same name
/// propertybag["users"]
/// action(User[] users) will be bound, while if the name in the property bag is users and
/// the parameter is
/// action(Users[] u) it won't
/// </summary>
/// <param name="controller"></param>
/// <param name="actionName"></param>
public static void InvokeActionInController(Controller controller, string actionName)
{
InvokeActionInController(controller, actionName, true);
}
