Module java.desktop

Package javax.swing.plaf

Class ComboBoxUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.ComboBoxUI

Direct Known Subclasses:

BasicComboBoxUI, MultiComboBoxUI

public abstract class ComboBoxUI
extends ComponentUI

Pluggable look and feel interface for JComboBox.

Constructor Summary

Constructors

Constructor	Description
ComboBoxUI()

Method Summary

Modifier and Type	Method	Description
abstract boolean	isFocusTraversable(JComboBox<?> c)	Determine whether or not the combo box itself is traversable
abstract boolean	isPopupVisible(JComboBox<?> c)	Determine the visibility of the popup
abstract void	setPopupVisible(JComboBox<?> c, boolean v)	Set the visibility of the popup

Methods inherited from class javax.swing.plaf.ComponentUI

contains, createUI, getAccessibleChild, getAccessibleChildrenCount, getBaseline, getBaselineResizeBehavior, getMaximumSize, getMinimumSize, getPreferredSize, installUI, paint, uninstallUI, update

Methods inherited from class java.lang.Object

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

Constructor Detail

ComboBoxUI

public ComboBoxUI()

Method Detail

setPopupVisible

public abstract void setPopupVisible(JComboBox<?> c,
                                     boolean v)

Set the visibility of the popup

Parameters:

c - a JComboBox

v - a boolean determining the visibilty of the popup

isPopupVisible

public abstract boolean isPopupVisible(JComboBox<?> c)

Determine the visibility of the popup

Parameters:

c - a JComboBox

Returns:

true if popup of the JComboBox is visible

isFocusTraversable

public abstract boolean isFocusTraversable(JComboBox<?> c)

Determine whether or not the combo box itself is traversable

Parameters:

c - a JComboBox

Returns:

true if the given JComboBox is traversable