Module java.desktop

Package javax.swing.plaf.basic

Class BasicComboBoxEditor

java.lang.Object

javax.swing.plaf.basic.BasicComboBoxEditor

All Implemented Interfaces:

FocusListener, EventListener, ComboBoxEditor

Direct Known Subclasses:

BasicComboBoxEditor.UIResource, MetalComboBoxEditor

public class BasicComboBoxEditor
extends Object
implements ComboBoxEditor, FocusListener

The default editor for editable combo boxes. The editor is implemented as a JTextField.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	BasicComboBoxEditor.UIResource	A subclass of BasicComboBoxEditor that implements UIResource.

Field Summary

Fields

Modifier and Type	Field	Description
protected JTextField	editor	An instance of JTextField.

Constructor Summary

Constructors

Constructor	Description
BasicComboBoxEditor()	Constructs a new instance of BasicComboBoxEditor.

Method Summary

Modifier and Type	Method	Description
void	addActionListener(ActionListener l)	Add an ActionListener.
protected JTextField	createEditorComponent()	Creates the internal editor component.
void	focusGained(FocusEvent e)	Invoked when a component gains the keyboard focus.
void	focusLost(FocusEvent e)	Invoked when a component loses the keyboard focus.
Component	getEditorComponent()	Returns the component that should be added to the tree hierarchy for this editor
Object	getItem()	Returns the edited item
void	removeActionListener(ActionListener l)	Remove an ActionListener
void	selectAll()	Ask the editor to start editing and to select everything
void	setItem(Object anObject)	Sets the item that should be edited.

Methods inherited from class java.lang.Object

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

Field Detail

editor

protected JTextField editor

An instance of JTextField.

Constructor Detail

BasicComboBoxEditor

public BasicComboBoxEditor()

Constructs a new instance of BasicComboBoxEditor.

Method Detail

getEditorComponent

public Component getEditorComponent()

Description copied from interface: ComboBoxEditor

Returns the component that should be added to the tree hierarchy for this editor

Specified by:

getEditorComponent in interface ComboBoxEditor

Returns:

the component

createEditorComponent

protected JTextField createEditorComponent()

Creates the internal editor component. Override this to provide a custom implementation.

Returns:

a new editor component

Since:

1.6

setItem

public void setItem(Object anObject)

Sets the item that should be edited.

Specified by:

setItem in interface ComboBoxEditor

Parameters:

anObject - the displayed value of the editor

getItem

public Object getItem()

Description copied from interface: ComboBoxEditor

Returns the edited item

Specified by:

getItem in interface ComboBoxEditor

Returns:

the edited item

selectAll

public void selectAll()

Description copied from interface: ComboBoxEditor

Ask the editor to start editing and to select everything

Specified by:

selectAll in interface ComboBoxEditor

focusGained

public void focusGained(FocusEvent e)

Description copied from interface: FocusListener

Invoked when a component gains the keyboard focus.

Specified by:

focusGained in interface FocusListener

Parameters:

e - the event to be processed

focusLost

public void focusLost(FocusEvent e)

Description copied from interface: FocusListener

Invoked when a component loses the keyboard focus.

Specified by:

focusLost in interface FocusListener

Parameters:

e - the event to be processed

addActionListener

public void addActionListener(ActionListener l)

Description copied from interface: ComboBoxEditor

Add an ActionListener. An action event is generated when the edited item changes

Specified by:

addActionListener in interface ComboBoxEditor

Parameters:

l - an ActionListener

removeActionListener

public void removeActionListener(ActionListener l)

Description copied from interface: ComboBoxEditor

Remove an ActionListener

Specified by:

removeActionListener in interface ComboBoxEditor

Parameters:

l - an ActionListener