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

Modifier	Constructor	Description
protected	ComboBoxUI()	Constructor for subclasses to call.

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 declared in class javax.swing.plaf.ComponentUI

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

Methods declared in class java.lang.Object

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

Constructor Details

ComboBoxUI

protected ComboBoxUI()

Constructor for subclasses to call.

Method Details

setPopupVisible

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

Set the visibility of the popup

Parameters:

c - a JComboBox

v - a boolean determining the visibility 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