RadioState (Eclipse Platform API Specification)

java.lang.Object
- org.eclipse.core.commands.common.EventManager
- - org.eclipse.core.commands.State
  - - org.eclipse.jface.commands.PersistentState
    - - org.eclipse.jface.commands.ToggleState
      - org.eclipse.jface.commands.RadioState

Direct Known Subclasses:

RegistryRadioState
```
public class RadioState
extends ToggleState
```
A piece of boolean state grouped with other boolean states. Of these states, only one may have a value of Boolean.TRUE at any given point in time. The values of all other states must be Boolean.FALSE.

If this state is registered using IMenuStateIds.STYLE, then it will control the presentation of the command if displayed in the menus, tool bars or status line.

Clients may instantiate or extend this interface.

Since:

3.2

Constructor Summary

Constructors
Constructor Description

RadioState()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`dispose()`	Unregisters this state from the manager, which detaches the listeners.
`void`	`setRadioGroupIdentifier(String identifier)`	Sets the identifier of the radio group for this piece of state.
`void`	`setValue(Object value)`	Sets the value for this object.

Methods inherited from class org.eclipse.jface.commands.ToggleState
load, save

Methods inherited from class org.eclipse.jface.commands.PersistentState
setShouldPersist, shouldPersist

Methods inherited from class org.eclipse.core.commands.State
addListener, fireStateChanged, getId, getValue, removeListener, setId

Methods inherited from class org.eclipse.core.commands.common.EventManager
addListenerObject, clearListeners, getListeners, isListenerAttached, removeListenerObject

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - RadioState
```
public RadioState()
```
- Method Detail
  - dispose
```
public void dispose()
```
    Unregisters this state from the manager, which detaches the listeners.
    
    Overrides:
    
    dispose in class State
  - setRadioGroupIdentifier
```
public final void setRadioGroupIdentifier(String identifier)
```
    Sets the identifier of the radio group for this piece of state. If the identifier is cleared, then the state is unregistered.
    
    Parameters:
    
    identifier - The identifier of the radio group for this state; may be null if the identifier is being cleared.
  - setValue
```
public void setValue(Object value)
```
    Sets the value for this object. This notifies the radio state manager of the change.
    
    Overrides:
    
    setValue in class ToggleState
    
    Parameters:
    
    value - The new value; should be a Boolean.