javax.swing
Class ButtonGroup

java.lang.Object
  |
  +--javax.swing.ButtonGroup

All Implemented Interfaces:

Serializable

public class ButtonGroup

extends Object

implements Serializable

Safe:

See Also:

Serialized Form

Field Summary

protected Vector	buttons
(package private) ButtonModel	selection The current selection.

Constructor Summary

ButtonGroup()
Enabled: Creates a new ButtonGroup.

Method Summary

void	add(AbstractButton b) Enabled: Adds the button to the group.
int	getButtonCount() Enabled: Returns the number of buttons in the group.
Enumeration	getElements() Enabled: Returns all the buttons that are participating in this group.
ButtonModel	getSelection() Enabled: Returns the model of the selected button.
boolean	isSelected(ButtonModel m) Enabled: Returns whether a ButtonModel is selected.
void	remove(AbstractButton b) Enabled: Removes the button from the group.
void	setSelected(ButtonModel m, boolean b) Enabled: Sets the selected value for the ButtonModel.

Methods inherited from class java.lang.Object

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

Field Detail

buttons

protected Vector buttons

selection

ButtonModel selection

The current selection.

Constructor Detail

ButtonGroup

public ButtonGroup()

Enabled: Creates a new ButtonGroup.

Method Detail

add

public void add(AbstractButton b)

Enabled: Adds the button to the group.

Parameters:

b - the button to be added

remove

public void remove(AbstractButton b)

Enabled: Removes the button from the group.

Parameters:

b - the button to be removed

getElements

public Enumeration getElements()

Enabled: Returns all the buttons that are participating in this group.

Returns:

an Enumeration of the buttons in this group

getSelection

public ButtonModel getSelection()

Enabled: Returns the model of the selected button.

Returns:

the selected button model

setSelected

public void setSelected(ButtonModel m,
                        boolean b)

Enabled: Sets the selected value for the ButtonModel. Only one button in the group may be selected at a time.

isSelected

public boolean isSelected(ButtonModel m)

Enabled: Returns whether a ButtonModel is selected.

Returns:

true if the button is selected, otherwise returns false

getButtonCount

public int getButtonCount()

Enabled: Returns the number of buttons in the group.

Returns:

the button count

Since:

1.3