Package io.github.jonestimd.swing.validation

Class FieldChangeTracker

java.lang.Object

io.github.jonestimd.swing.validation.ContainerTracker

io.github.jonestimd.swing.validation.FieldChangeTracker

public class FieldChangeTracker
extends ContainerTracker

This class tracks changes to input fields within a component hierarchy and notifies a listener when any of the input fields has been modified. It can be used to enable a save action when some of the fields on a form have been modified.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	FieldChangeTracker.FieldChangeHandler	The interface for receiving notifications when the form has changes.

Constructor Summary

Constructors

Constructor	Description
FieldChangeTracker(FieldChangeTracker.FieldChangeHandler handler)

Method Summary

Modifier and Type	Method	Description
protected void	componentAdded(java.awt.Component component)	Adds the ContainerListener to the component.
protected void	componentRemoved(java.awt.Component component)	Removes the ContainerListener to the component.
static FieldChangeTracker	install(FieldChangeTracker.FieldChangeHandler handler, java.awt.Container container)
boolean	isChanged()
void	resetChanges()

Methods inherited from class io.github.jonestimd.swing.validation.ContainerTracker

trackFieldChanges, untrackFieldChanges

Methods inherited from class java.lang.Object

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

Constructor Detail

FieldChangeTracker

public FieldChangeTracker(FieldChangeTracker.FieldChangeHandler handler)

Method Detail

install

public static FieldChangeTracker install(FieldChangeTracker.FieldChangeHandler handler,
                                         java.awt.Container container)

componentAdded

protected void componentAdded(java.awt.Component component)

Description copied from class: ContainerTracker

Adds the ContainerListener to the component.

Overrides:

componentAdded in class ContainerTracker

componentRemoved

protected void componentRemoved(java.awt.Component component)

Description copied from class: ContainerTracker

Removes the ContainerListener to the component.

Overrides:

componentRemoved in class ContainerTracker

isChanged

public boolean isChanged()

resetChanges

public void resetChanges()