org.drombler.commons.action

Interface ActionListener<E>

Type Parameters:

E - the type of the action event

All Known Subinterfaces:

ToggleActionListener<E>

All Known Implementing Classes:

AbstractActionListener, AbstractToggleActionListener

public interface ActionListener<E>

A GUI toolkit agnostic interface which keeps the state (enabled/ disabled) and the logic between menu items and toolbar buttons in sync. TODO: extend EventListener? TODO: E extend EventObject?

Author:

puce

Method Summary

Modifier and Type	Method and Description
void	addPropertyChangeListener(String propertyName, PropertyChangeListener listener) Registers a PropertyChangeListener for the specified property.
boolean	isEnabled() Returns true, if this action is disabled, else false.
void	onAction(E event) This method which gets called when the action gets fired.
void	removePropertyChangeListener(String propertyName, PropertyChangeListener listener) Unegisters a PropertyChangeListener for the specified property.

Method Detail

onAction

void onAction(E event)

This method which gets called when the action gets fired.

Parameters:

event - the action event

isEnabled

boolean isEnabled()

Returns true, if this action is disabled, else false.

Returns:

true, if this action is disabled, else false

addPropertyChangeListener

void addPropertyChangeListener(String propertyName,
                               PropertyChangeListener listener)

Registers a PropertyChangeListener for the specified property.

Parameters:

propertyName - the property to observe

listener - the PropertyChangeListener to register

removePropertyChangeListener

void removePropertyChangeListener(String propertyName,
                                  PropertyChangeListener listener)

Unegisters a PropertyChangeListener for the specified property.

Parameters:

propertyName - the property to stop to observe

listener - the PropertyChangeListener to unregister