"
COPYRIGHT (c) 1991 by Claus Gittinger
All Rights Reserved
This software is furnished under a license and may be used
only in accordance with the terms of that license and with the
inclusion of the above copyright notice. This software may not
be provided or otherwise made available to, or used by, any
other person. No title to or ownership of the software is
hereby transferred.
"
VariableArray subclass:#RadioButtonGroup
instanceVariableNames:'buttonGroup'
classVariableNames:''
poolDictionaries:''
category:'Views-Support'
!
RadioButtonGroup comment:'
COPYRIGHT (c) 1991 by Claus Gittinger
All Rights Reserved
RadioButtonGroups controll the interaction between RadioButtons
turning off other button(s) when one of the group is pressed.
$Header: /cvs/stx/stx/libwidg/RadioButtonGroup.st,v 1.3 1993-10-13 02:48:51 claus Exp $
written nov 91 by claus
'!
!RadioButtonGroup methodsFor:'adding / removing'!
add:aRadioButton
super add:aRadioButton.
aRadioButton addDependent:self
! !
!RadioButtonGroup methodsFor:'update'!
update:changedButton
"a RadioButton in this group has changed - notify the others"
self do:[:aButton |
(aButton == changedButton) ifFalse:[
aButton isOn ifTrue:[
aButton turnOff
]
]
]
! !