Namespace: PureMVC.Core.View

Class TView

System.TInterfacedObject
  |
  +-- PureMVC.Core.View.TView

All Implemented Interfaces:

IView

public class TView ( System.TInterfacedObject , IView )

Abstract

False

Sealed

False

Persistent

False

summary

A Singleton IView implementation.

remarks

In PureMVC, the View class assumes 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

see

Method Summary
public Sub	Destroy()
public function Boolean	HasMediator(MediatorName: string) Check if a Mediator is registered or not
public function Boolean	HasMediator(Mediator: PureMVC.Interfaces.IMediator.IMediator )
public function PureMVC.Interfaces.IView.IView	Instance() View Singleton Factory method. This method is thread safe.
public Sub	NotifyObservers(Notification: 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 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 the observer for a given notifyContext from an observer list for a given Notification name.
public function PureMVC.Interfaces.IMediator.IMediator	RetrieveMediator(MediatorName: string) Retrieve an IMediator from the View

 

Method Detail

Destroy

public procedure Destroy()

Abstract

False

Reintroduce

False

Virtual

False

Override

True

Final

False

public function HasMediator(MediatorName: string): Boolean

Abstract

False

Reintroduce

False

Final

False

Returns

Boolean

Virtual

True

Override

False

summary

Check if a Mediator is registered or not

remarks

This method is thread safe and needs to be thread safe in all implementations.

returns

whether a Mediator is registered with the given mediatorName.

Class

False

public function HasMediator(Mediator: PureMVC.Interfaces.IMediator.IMediator ): Boolean

Abstract

False

Reintroduce

False

Final

False

Returns

Boolean

Virtual

False

Override

False

Class

False

public function Instance(): PureMVC.Interfaces.IView.IView 

Abstract

False

Reintroduce

False

Final

False

Returns

IView

Virtual

False

Override

False

summary

View Singleton Factory method. This method is thread safe.

Class

True

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

Abstract

False

Reintroduce

False

Final

False

Virtual

True

Override

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
This method is thread safe and needs to be thread safe in all implementations.

param

The INotification to notify IObservers of

Class

False

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

Abstract

False

Reintroduce

False

Final

False

Virtual

True

Override

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
This method is thread safe and needs to be thread safe in all implementations.

param

A reference to the IMediator instance

Class

False

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

Abstract

False

Reintroduce

False

Final

False

Virtual

True

Override

False

summary

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

remarks

This method is thread safe and needs to be thread safe in all implementations.

param

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

Class

False

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

Abstract

False

Reintroduce

False

Final

False

Returns

IMediator

Virtual

True

Override

False

summary

Remove an IMediator from the View

Remove an IMediator from the View

remarks

This method is thread safe and needs to be thread safe in all implementations.
This method is thread safe and needs to be thread safe in all implementations.

param

The name of the IMediator instance to be removed
The name of the IMediator instance to be removed

Class

False

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

Abstract

False

Reintroduce

False

Final

False

Returns

IMediator

Virtual

False

Override

False

Class

False

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

Abstract

False

Reintroduce

False

Final

False

Virtual

True

Override

False

summary

Remove the observer for a given notifyContext from an observer list for a given Notification name.

remarks

This method is thread safe and needs to be thread safe in all implementations.

param

which observer list to remove from
remove the observer with this object as its notifyContext

Class

False

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

Abstract

False

Reintroduce

False

Final

False

Returns

IMediator

Virtual

True

Override

False

summary

Retrieve an IMediator from the View

remarks

This method is thread safe and needs to be thread safe in all implementations.

returns

The IMediator instance previously registered with the given mediatorName

param

The name of the IMediator instance to retrieve

Class

False

Implementation Link

to Interface IView

Client

TView

Supplier

IView

Association Link

to Interface IView

Client

FInstance

Directed

False

Type

association

Supplier

IView