Package com.tonic.vellum.widget

Class RadioGroup

java.lang.Object

com.tonic.vellum.Section

com.tonic.vellum.widget.AbstractListSection

com.tonic.vellum.widget.RadioGroup

public final class RadioGroup
extends AbstractListSection

A single-choice option list; ENTER or SPACE chooses the option under the cursor, marked (o).

Constructor Summary

Constructors

Constructor	Description
RadioGroup(java.lang.String... options)	Creates a radio group with the given options.

Method Summary

Modifier and Type	Method	Description
RadioGroup	choose(int index)	Chooses the option at the given index; fires onChange when it changes.
int	chosenIndex()
RadioGroup	onChange(java.util.function.IntConsumer handler)	Sets the handler called with the chosen index whenever the choice changes.

Methods inherited from class com.tonic.vellum.widget.AbstractListSection

onHighlight, onSelect, select, selectedIndex

Methods inherited from class com.tonic.vellum.Section

bordered, bordered, bounds, isFocused, parent, requestRedraw

Methods inherited from class java.lang.Object

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

Constructor Detail

RadioGroup

public RadioGroup(java.lang.String... options)

Creates a radio group with the given options. The first option is chosen initially.

Parameters:

options - the option labels in order

Method Detail

chosenIndex

public int chosenIndex()

Returns:

the index of the chosen option

choose

public RadioGroup choose(int index)

Chooses the option at the given index; fires onChange when it changes. Out-of-range indices are ignored.

Parameters:

index - the option index to choose

Returns:

this RadioGroup for chaining

onChange

public RadioGroup onChange(java.util.function.IntConsumer handler)

Sets the handler called with the chosen index whenever the choice changes.

Parameters:

handler - the change handler

Returns:

this RadioGroup for chaining