echopoint.model
Class DefaultExpandableModel

java.lang.Object
  echopoint.model.DefaultExpandableModel

All Implemented Interfaces:

ExpandableModel, java.io.Serializable

public class DefaultExpandableModel
extends java.lang.Object
implements ExpandableModel, java.io.Serializable

A generic implementation of ExpandableModel.

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

DefaultExpandableModel(boolean 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

DefaultExpandableModel

public DefaultExpandableModel(boolean isExpanded)

Method Detail

addChangeListener

public void addChangeListener(ChangeListener l)

Adds a ChangeListener to the button.

Specified by:

addChangeListener in interface ExpandableModel

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 ExpandableModel

removeChangeListener

public void removeChangeListener(ChangeListener l)

Removes a ChangeListener from the button.

Specified by:

removeChangeListener in interface ExpandableModel

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 ExpandableModel