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Class ncsa.horizon.awt.PanelButton.RadioGroup

java.lang.Object
  |
  +--ncsa.horizon.awt.PanelButton.RadioGroup

public static class PanelButton.RadioGroup

extends java.lang.Object

implements java.awt.event.ActionListener

a manager of a group of Panel buttons that ensures that only one of them is pressed at a time. This class allows the group to behave as so-called "radio buttons" and is analogous to the CheckboxGroup class of the AWT Toolkit

Field Summary

PanelButton

selected

Constructor Summary

PanelButton.RadioGroup()
create a RadioGroup

Method Summary

void	actionPerformed(java.awt.event.ActionEvent ev)
void	addActionListener(java.awt.event.ActionListener l) add an action listener for all the buttons in this group.
PanelButton	getSelected() return the currently selected PanelButton
void	removeActionListener(java.awt.event.ActionListener l) remove an action listener

Methods inherited from class java.lang.Object

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

Field Detail

selected

protected PanelButton selected

Constructor Detail

PanelButton.RadioGroup

public PanelButton.RadioGroup()

create a RadioGroup

Method Detail

getSelected

public PanelButton getSelected()

return the currently selected PanelButton

actionPerformed

public void actionPerformed(java.awt.event.ActionEvent ev)

Description copied from interface:

Specified by:

actionPerformed(java.awt.event.ActionEvent) in interface java.awt.event.ActionListener

addActionListener

public void addActionListener(java.awt.event.ActionListener l)

add an action listener for all the buttons in this group. The source of the events sent to the listener will be the originating buttons.

removeActionListener

public void removeActionListener(java.awt.event.ActionListener l)

remove an action listener