AbstractAppView Class Reference

Inheritance diagram for AbstractAppView:

[legend]Collaboration diagram for AbstractAppView:

[legend]List of all members.

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Detailed Description

A basic application view which should be subclassed and specialized by specific application implementations.

Author:

Author

tvaline

Version:

Revision

1.3

,

Date

2005/03/05 04:06:16

Definition at line 30 of file AbstractAppView.java.

Public Member Functions
void	actionPerformed (ActionEvent evt)
	A method that dispatches all events received by this view.
synchronized void	setController (AppViewEventListener controller) throws TooManyListenersException
	Registers ActionListener to receive events.
String	toString ()
	Returns a string representation of this object.
Protected Member Functions
void	notifyController (ActionEvent event)
	Notifies the registered listener about the event.
abstract ActionEvent	processEvent (ActionEvent evt)
	The method that processes incoming events.
Protected Attributes
transient AppViewEventListener	controller = null
	The controller that will listen to this application view.

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Member Function Documentation

void actionPerformed (  ActionEvent  evt  )

A method that dispatches all events received by this view. This method should be overridden by subclasses. Parameters: evt  The event to process. Definition at line 41 of file AbstractAppView.java. References AbstractAppView.notifyController(), and AbstractAppView.processEvent(). { ActionEvent response = processEvent(evt); if(response != null){notifyController(response);} }

void notifyController (  ActionEvent  event  )  [protected]

Notifies the registered listener about the event. Parameters: event  The event to be fired Definition at line 88 of file AbstractAppView.java. References AbstractAppView.controller. Referenced by AbstractAppView.actionPerformed(). { if(controller == null){return;} controller.actionPerformed(event); }

abstract ActionEvent processEvent (  ActionEvent  evt  )  [protected, pure virtual]

The method that processes incoming events. Parameters: evt  The incoming event from the controller Returns: The outgoing response event to the controller. This method should return null if no response is required. For instance if a the controller sends a request to change a model member variable but the new value is the same as the existing value, then no action need be taken, therefore no response should be generated. Referenced by AbstractAppView.actionPerformed().

synchronized void setController (  AppViewEventListener  controller  )  throws TooManyListenersException

Registers ActionListener to receive events. Parameters: controller  The listener to register. Exceptions: TooManyListenersException  If more than one controller is associated with this view. Definition at line 54 of file AbstractAppView.java. References AbstractAppView.controller. { if(controller == null){this.controller = null;} else { if(this.controller != null){throw new TooManyListenersException();} this.controller = controller; } }

String toString (   )

Returns a string representation of this object. Returns: The physical address of this instance. Definition at line 68 of file AbstractAppView.java. {return super.toString();}

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Member Data Documentation

transient AppViewEventListener controller = null [protected]

The controller that will listen to this application view. Definition at line 33 of file AbstractAppView.java. Referenced by AbstractAppView.notifyController(), and AbstractAppView.setController().

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The documentation for this class was generated from the following file:

• com/ohrasys/app/AbstractAppView.java

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