author | Claus Gittinger <cg@exept.de> |
Tue, 19 Jun 2018 14:43:47 +0200 | |
changeset 4134 | 92df688b5ffe |
parent 3271 | 2a9459856e15 |
permissions | -rw-r--r-- |
" 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 $' ! !