echopointng.model
Class DefaultExpansionModel

java.lang.Object
  echopointng.model.DefaultExpansionModel

All Implemented Interfaces:

ExpansionModel, java.io.Serializable

public class DefaultExpansionModel
extends java.lang.Object
implements ExpansionModel, java.io.Serializable

A generic implementation of ExpansionModel.

See Also:

Serialized Form

Field Summary

protected ChangeEvent	changeEvent Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property.
protected boolean	isExpanded
protected EventListenerList	listenerList

Constructor Summary

DefaultExpansionModel()
An ExpansionModel that is not expanded

DefaultExpansionModel(boolean isExpanded)
An ExpansionModel that is set to 'isExpanded'.

Method Summary

void	addChangeListener(ChangeListener l) Adds a ChangeListener to the button.
void	fireStateChanged() Notifies all listeners that have registered for this event type.
boolean	isExpanded() Returns the model's expansion.
void	removeChangeListener(ChangeListener l) Removes a ChangeListener from the button.
void	setExpanded(boolean isExpanded) Sets the model's expansion Notifies any listeners if the model changes

Methods inherited from class java.lang.Object

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

Field Detail

changeEvent

protected transient ChangeEvent changeEvent

Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property. The source of events generated here is always "this".

isExpanded

protected boolean isExpanded

listenerList

protected EventListenerList listenerList

Constructor Detail

DefaultExpansionModel

public DefaultExpansionModel()

An ExpansionModel that is not expanded

DefaultExpansionModel

public DefaultExpansionModel(boolean isExpanded)

An ExpansionModel that is set to 'isExpanded'.

Method Detail

addChangeListener

public void addChangeListener(ChangeListener l)

Adds a ChangeListener to the button.

Specified by:

addChangeListener in interface ExpansionModel

Parameters:

l - The ChangeListener to be added.

fireStateChanged

public void fireStateChanged()

Notifies all listeners that have registered for this event type.

isExpanded

public boolean isExpanded()

Returns the model's expansion.

Specified by:

isExpanded in interface ExpansionModel

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the button.

Specified by:

removeChangeListener in interface ExpansionModel

Parameters:

l - The ChangeListener to be removed.

setExpanded

public void setExpanded(boolean isExpanded)

Sets the model's expansion
Notifies any listeners if the model changes

Specified by:

setExpanded in interface ExpansionModel