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"
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COPYRIGHT (c) 1991 by Claus Gittinger
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All Rights Reserved
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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OrderedCollection subclass:#RadioButtonGroup
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instanceVariableNames:''
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classVariableNames:''
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poolDictionaries:''
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category:'Views-Support'
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!
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RadioButtonGroup comment:'
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COPYRIGHT (c) 1991 by Claus Gittinger
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All Rights Reserved
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$Header: /cvs/stx/stx/libwidg/Attic/RButtGrp.st,v 1.8 1995-02-16 03:12:56 claus Exp $
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'!
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!RadioButtonGroup class methodsFor:'documentation '!
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copyright
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"
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COPYRIGHT (c) 1991 by Claus Gittinger
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59
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All Rights Reserved
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0
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38
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This software is furnished under a license and may be used
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only in accordance with the terms of that license and with the
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inclusion of the above copyright notice. This software may not
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be provided or otherwise made available to, or used by, any
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other person. No title to or ownership of the software is
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hereby transferred.
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"
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!
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version
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"
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$Header: /cvs/stx/stx/libwidg/Attic/RButtGrp.st,v 1.8 1995-02-16 03:12:56 claus Exp $
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"
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!
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documentation
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"
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RadioButtonGroups control the interaction between RadioButtons
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turning off other button(s) when one of the group is pressed.
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To group some buttons (and have one-on behavior) use:
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|g|
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g := RadioButtonGroup new.
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...
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b1 := RadioButton label:....
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g add:b1
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...
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b2 := RadioButton label:....
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g add:b2
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...
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"
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! !
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!RadioButtonGroup methodsFor:'adding / removing'!
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add:aRadioButton
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super add:aRadioButton.
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aRadioButton addDependent:self.
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aRadioButton group:self
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! !
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!RadioButtonGroup methodsFor:'update'!
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update:something with:someArgument from:changedButton
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(self includes:changedButton) ifFalse:[^ self].
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"a RadioButton in this group has changed - notify the others"
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"in case we have a toggle in the group,
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and it has been turned off - turn it on again
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"
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changedButton isOn ifFalse:[
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changedButton toggleNoAction.
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^ self
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].
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self do:[:aButton |
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(aButton == changedButton) ifFalse:[
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aButton isOn ifTrue:[
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aButton turnOff
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]
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]
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]
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! !
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