Package com.inductiveautomation.ignition.common.util

Class AbstractChangeable

java.lang.Object

com.inductiveautomation.ignition.common.util.AbstractChangeable

All Implemented Interfaces:

Changeable

Direct Known Subclasses:

AbstractReportActionConfig, BrowsableLibrary, BrowsableSelectionModel, ChartStatusContext, ClientStepRegistry, ComponentSelection, DesignerComponentStoreBridgeImpl, EditablePageConfig, GalleryModel, GradientParams, PipelineBlockModel, ReportSchedule, RMUndoer, SampleData, Segment, StyleAttributeEditor

public class AbstractChangeable
extends java.lang.Object
implements Changeable

Convenience base-class for any object that wants to manage change listeners

Field Summary

Fields

Modifier and Type	Field	Description
protected javax.swing.event.ChangeEvent	changeEvent	Only one ChangeEvent is needed per model instance since the event's only (read-only) state is the source property.
protected javax.swing.event.EventListenerList	listenerList

Constructor Summary

Constructors

Constructor	Description
AbstractChangeable()

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(javax.swing.event.ChangeListener l)	Adds a ChangeListener to the model.
protected void	fireStateChanged()	Runs each ChangeListener's stateChanged method.
javax.swing.event.ChangeListener[]	getChangeListeners()	Returns an array of all the ChangeListeners added to this DefaultColorSelectionModel with addChangeListener.
void	removeChangeListener(javax.swing.event.ChangeListener l)	Removes a ChangeListener from the model.

Methods inherited from class java.lang.Object

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

Field Detail

changeEvent

protected transient javax.swing.event.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".

listenerList

protected javax.swing.event.EventListenerList listenerList

Constructor Detail

AbstractChangeable

public AbstractChangeable()

Method Detail

addChangeListener

public void addChangeListener(javax.swing.event.ChangeListener l)

Adds a ChangeListener to the model.

Specified by:

addChangeListener in interface Changeable

Parameters:

l - the ChangeListener to be added

removeChangeListener

public void removeChangeListener(javax.swing.event.ChangeListener l)

Removes a ChangeListener from the model.

Specified by:

removeChangeListener in interface Changeable

Parameters:

l - the ChangeListener to be removed

getChangeListeners

public javax.swing.event.ChangeListener[] getChangeListeners()

Returns an array of all the ChangeListeners added to this DefaultColorSelectionModel with addChangeListener.

Returns:

all of the ChangeListeners added, or an empty array if no listeners have been added

Since:

1.4

fireStateChanged

protected void fireStateChanged()

Runs each ChangeListener's stateChanged method.

See Also:

EventListenerList