Package io.codeworth.panelmatic.util.customizers

Class ChangeDetectorCustomizer

java.lang.Object

io.codeworth.panelmatic.util.customizers.ChangeDetectorCustomizer

All Implemented Interfaces:

PanelMaticComponentCustomizer

public class ChangeDetectorCustomizer
extends Object
implements PanelMaticComponentCustomizer

Used to detect changes in multiple components. Listeners on this object are notified whenever those changes happen.
This is very useful for, e.g, enabling a "save" button when any of a form controls changes.

Author:

michael

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static interface	ChangeDetectorCustomizer.Listener

Constructor Summary

Constructors

Constructor	Description
ChangeDetectorCustomizer()
ChangeDetectorCustomizer(ChangeDetectorCustomizer.Listener l)

Method Summary

Modifier and Type	Method	Description
void	addListener(ChangeDetectorCustomizer.Listener l)
JComponent	customize(String labelText, JComponent aComp)	Customize the component.
void	fireChangeEvent(Object originalEvent)
ActionListener	getActionListener()
ChangeListener	getChangeListener()
DocumentListener	getDocumentListener()
void	removeListener(ChangeDetectorCustomizer.Listener l)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangeDetectorCustomizer

public ChangeDetectorCustomizer()

ChangeDetectorCustomizer

public ChangeDetectorCustomizer(ChangeDetectorCustomizer.Listener l)

Method Detail

fireChangeEvent

public void fireChangeEvent(Object originalEvent)

addListener

public void addListener(ChangeDetectorCustomizer.Listener l)

removeListener

public void removeListener(ChangeDetectorCustomizer.Listener l)

getActionListener

public ActionListener getActionListener()

Returns:

The action listener used to detect changes on combo boxes and toggle buttons.

getDocumentListener

public DocumentListener getDocumentListener()

Returns:

the listener used to detect changes on text components.

getChangeListener

public ChangeListener getChangeListener()

Returns:

the listener used to detect changes on JSliders.

customize

public JComponent customize(String labelText,
                            JComponent aComp)

Description copied from interface: PanelMaticComponentCustomizer

Customize the component. Note that this method also allows for wrapping the component in a new component, or replacing it altogether.

Specified by:

customize in interface PanelMaticComponentCustomizer

Parameters:

labelText - the string for the label (or null). Useful for meta-data, as in adding a tool-tip according to it.

aComp - the component to customize

Returns:

Normally the passed component; could also be a wrapping component or even a new one.