Class OptionPaneUI

java.lang.Object

javax.swing.plaf.ComponentUI

javax.swing.plaf.OptionPaneUI

Direct Known Subclasses:: BasicOptionPaneUI, MultiOptionPaneUI

public abstract class OptionPaneUI extends ComponentUI

Pluggable look and feel interface for JOptionPane.

Constructor Summary

OptionPaneUI()

Modifier	Constructor	Description
`protected`	Constructor for subclasses to call.

Method Summary

Modifier and Type	Method	Description
`abstract boolean`	`containsCustomComponents(JOptionPane op)`	Returns true if the user has supplied instances of Component for either the options or message.
`abstract void`	`selectInitialValue(JOptionPane op)`	Requests the component representing the default value to have focus.

Methods declared in class ComponentUI

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

Methods declared in class Object

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

Constructor Details

OptionPaneUI

protected OptionPaneUI()

Constructor for subclasses to call.

Method Details

selectInitialValue

public abstract void selectInitialValue(JOptionPane op)

Requests the component representing the default value to have focus.

Parameters:: op - a JOptionPane

containsCustomComponents

public abstract boolean containsCustomComponents(JOptionPane op)

Returns true if the user has supplied instances of Component for either the options or message.

Parameters:: op - a JOptionPane
Returns:: true if the given JOptionPane contains user created Components

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https://docs.oracle.com/en/java/javase/25/docs/api/java.desktop/javax/swing/plaf/OptionPaneUI.html