Namespace: PureMVC.Interfaces.IView

Interface IView

All Known Implementing Classes:

TView

public interface IView

Persistent

False

see

remarks

In PureMVC, IView implementors assume these responsibilities:Maintain a cache of IMediator instancesProvide methods for registering, retrieving, and removing IMediatorsManaging the observer lists for each INotification in the applicationProviding a method for attaching IObservers to an INotification's observer listProviding a method for broadcasting an INotificationNotifying the IObservers of a given INotification when it broadcast

summary

The interface definition for a PureMVC View

Method Summary
public function Boolean	HasMediator(MediatorName: string) Check if a Mediator is registered or not
public Sub	NotifyObservers(Note: PureMVC.Interfaces.INotification.INotification ) Notify the IObservers for a particular INotification
public Sub	RegisterMediator(Mediator: PureMVC.Interfaces.IMediator.IMediator ) Register an IMediator instance with the View
public Sub	RegisterObserver(NotificationName: string; Observer: PureMVC.Interfaces.IObserver.IObserver ) Register an IObserver to be notified of INotifications with a given name
public function PureMVC.Interfaces.IMediator.IMediator	RemoveMediator(MediatorName: string) Remove an IMediator from the View
public function PureMVC.Interfaces.IMediator.IMediator	RemoveMediator(Mediator: PureMVC.Interfaces.IMediator.IMediator )
public Sub	RemoveObserver(NotificationName: string; NotifyContext: TObject) Remove a group of observers from the observer list for a given Notification name.
public function PureMVC.Interfaces.IMediator.IMediator	RetrieveMediator(MediatorName: string) Retrieve an IMediator from the View

 

Method Detail

HasMediator

public function HasMediator(MediatorName: string): Boolean

Reintroduce

False

Returns

Boolean

summary

Check if a Mediator is registered or not

returns

whether a Mediator is registered with the given mediatorName.

param

The name of the IMediator instance to check for

public procedure NotifyObservers(Note: PureMVC.Interfaces.INotification.INotification )

Reintroduce

False

summary

Notify the IObservers for a particular INotification

remarks

All previously attached IObservers for this INotification's list are notified and are passed a reference to the INotification in the order in which they were registered

param

The INotification to notify IObservers of

public procedure RegisterMediator(Mediator: PureMVC.Interfaces.IMediator.IMediator )

Reintroduce

False

summary

Register an IMediator instance with the View

remarks

Registers the IMediator so that it can be retrieved by name, and further interrogates the IMediator for its INotification interestsIf the IMediator returns any INotification names to be notified about, an Observer is created encapsulating the IMediator instance's handleNotification method and registering it as an Observer for all INotifications the IMediator is interested in

param

A a reference to the IMediator instance

public procedure RegisterObserver(NotificationName: string; Observer: PureMVC.Interfaces.IObserver.IObserver )

Reintroduce

False

summary

Register an IObserver to be notified of INotifications with a given name

param

The name of the INotifications to notify this IObserver of
The IObserver to register

public function RemoveMediator(MediatorName: string): PureMVC.Interfaces.IMediator.IMediator 

Reintroduce

False

Returns

IMediator

summary

Remove an IMediator from the View

param

The name of the IMediator instance to be removed

public function RemoveMediator(Mediator: PureMVC.Interfaces.IMediator.IMediator ): PureMVC.Interfaces.IMediator.IMediator 

Reintroduce

False

Returns

IMediator

public procedure RemoveObserver(NotificationName: string; NotifyContext: TObject)

Reintroduce

False

summary

Remove a group of observers from the observer list for a given Notification name.

param

which observer list to remove from
removed the observers with this object as their notifyContext

public function RetrieveMediator(MediatorName: string): PureMVC.Interfaces.IMediator.IMediator 

Reintroduce

False

Returns

IMediator

summary

Retrieve an IMediator from the View

returns

The IMediator instance previously registered with the given mediatorName

param

The name of the IMediator instance to retrieve