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1 " |
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2 COPYRIGHT (c) 2014 by Claus Gittinger |
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3 All Rights Reserved |
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4 |
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5 This software is furnished under a license and may be used |
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6 only in accordance with the terms of that license and with the |
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7 inclusion of the above copyright notice. This software may not |
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8 be provided or otherwise made available to, or used by, any |
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9 other person. No title to or ownership of the software is |
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10 hereby transferred. |
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11 " |
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12 "{ Package: 'stx:libview2' }" |
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13 |
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14 ValueHolder subclass:#ValueHolderWithRememberedPreviousValue |
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15 instanceVariableNames:'previousValue' |
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16 classVariableNames:'' |
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17 poolDictionaries:'' |
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18 category:'Interface-Support-Models' |
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19 ! |
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20 |
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21 !ValueHolderWithRememberedPreviousValue class methodsFor:'documentation'! |
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22 |
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23 copyright |
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24 " |
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25 COPYRIGHT (c) 2014 by Claus Gittinger |
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26 All Rights Reserved |
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27 |
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28 This software is furnished under a license and may be used |
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29 only in accordance with the terms of that license and with the |
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30 inclusion of the above copyright notice. This software may not |
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31 be provided or otherwise made available to, or used by, any |
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32 other person. No title to or ownership of the software is |
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33 hereby transferred. |
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34 " |
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35 ! |
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36 |
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37 documentation |
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38 " |
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39 I implement a valueHolder which remembers the previous value whenever changed. |
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40 |
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41 [author:] |
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42 Claus Gittinger |
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43 " |
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44 ! ! |
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45 |
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46 !ValueHolderWithRememberedPreviousValue methodsFor:'accessing'! |
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47 |
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48 setValue:anObject |
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49 "set my value without notification." |
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50 |
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51 previousValue := value. |
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52 value := anObject. |
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53 ! ! |
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54 |
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55 !ValueHolderWithRememberedPreviousValue class methodsFor:'documentation'! |
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56 |
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57 version |
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58 ^ '$Header: /cvs/stx/stx/libview2/ValueHolderWithRememberedPreviousValue.st,v 1.1 2014-01-13 13:06:58 cg Exp $' |
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59 ! |
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60 |
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61 version_CVS |
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62 ^ '$Header: /cvs/stx/stx/libview2/ValueHolderWithRememberedPreviousValue.st,v 1.1 2014-01-13 13:06:58 cg Exp $' |
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63 ! ! |
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64 |