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org.dinopolis.util.gui
Class SelectedButtonActionSynchronizer  

java.lang.Object
  org.dinopolis.util.gui.SelectedButtonActionSynchronizer

All Implemented Interfaces:

java.util.EventListener, java.awt.event.ItemListener, java.beans.PropertyChangeListener

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public class SelectedButtonActionSynchronizer

extends java.lang.Object

implements java.awt.event.ItemListener, java.beans.PropertyChangeListener

This class helps to synchronize actions and toggle buttons (like CheckButtonMenuItems, RadioButtonMenuItems, ...). Whenever the button's state changes, the selected state is set into the action (key SELECTED, value Boolean object), or vice versa (if the value SELECTED is set into the action, the button changes its state accordingly).

Version:

$Revision: 1.6 $

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Field Summary
static java.lang.String	SELECTED
(package private)  java.lang.ref.WeakReference	weak_action_
(package private)  java.lang.ref.WeakReference	weak_button_

 

Constructor Summary

SelectedButtonActionSynchronizer(javax.swing.AbstractButton button, javax.swing.Action action)           Constructor using the AbstractButton and the Action to be synchronized.

 

Method Summary
javax.swing.Action	getAction()           Resolves the weak reference for the action.
javax.swing.AbstractButton	getButton()           Resolves the weak reference for the button.
void	itemStateChanged(java.awt.event.ItemEvent event)           ItemListener interface
void	propertyChange(java.beans.PropertyChangeEvent event)           ChangeListener interface
void	setAction(javax.swing.Action action)           Sets the weak reference for the action.
void	setButton(javax.swing.AbstractButton button)           Sets the weak reference for the button.

 

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

 

Field Detail

weak_action_

java.lang.ref.WeakReference weak_action_

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weak_button_

java.lang.ref.WeakReference weak_button_

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SELECTED

public static final java.lang.String SELECTED

See Also:

Constant Field Values

Constructor Detail

SelectedButtonActionSynchronizer

public SelectedButtonActionSynchronizer(javax.swing.AbstractButton button,
                                        javax.swing.Action action)

Constructor using the AbstractButton and the Action to be synchronized.

Method Detail

itemStateChanged

public void itemStateChanged(java.awt.event.ItemEvent event)

ItemListener interface

Specified by:

itemStateChanged in interface java.awt.event.ItemListener

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propertyChange

public void propertyChange(java.beans.PropertyChangeEvent event)

ChangeListener interface

Specified by:

propertyChange in interface java.beans.PropertyChangeListener

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setAction

public void setAction(javax.swing.Action action)

Sets the weak reference for the action.

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getAction

public javax.swing.Action getAction()

Resolves the weak reference for the action.

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setButton

public void setButton(javax.swing.AbstractButton button)

Sets the weak reference for the button.

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getButton

public javax.swing.AbstractButton getButton()

Resolves the weak reference for the button.

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