#UI_ENHANCEMENT by mawalch
class: ApplicationModel
added:
#hideWindows
#showWindows
#unhideWindows
"
COPYRIGHT (c) 2014 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.
"
"{ Package: 'stx:libview2' }"
ValueHolder subclass:#ValueHolderWithRememberedPreviousValue
instanceVariableNames:'previousValue'
classVariableNames:''
poolDictionaries:''
category:'Interface-Support-Models'
!
!ValueHolderWithRememberedPreviousValue class methodsFor:'documentation'!
copyright
"
COPYRIGHT (c) 2014 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.
"
!
documentation
"
I implement a valueHolder which remembers the previous value whenever changed.
[author:]
Claus Gittinger
"
! !
!ValueHolderWithRememberedPreviousValue methodsFor:'accessing'!
previousValue
^ previousValue
!
setValue:anObject
"set my value without notification."
previousValue := value.
value := anObject.
! !
!ValueHolderWithRememberedPreviousValue class methodsFor:'documentation'!
version
^ '$Header: /cvs/stx/stx/libview2/ValueHolderWithRememberedPreviousValue.st,v 1.2 2014-01-13 13:40:04 cg Exp $'
!
version_CVS
^ '$Header: /cvs/stx/stx/libview2/ValueHolderWithRememberedPreviousValue.st,v 1.2 2014-01-13 13:40:04 cg Exp $'
! !