author | Claus Gittinger <cg@exept.de> |
Tue, 24 Jan 2017 12:21:38 +0100 | |
changeset 3842 | df8f461d3d31 |
parent 3306 | 69517757bffa |
child 3846 | b86fdd84bc87 |
permissions | -rw-r--r-- |
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" |
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COPYRIGHT (c) 1997 by eXept Software AG |
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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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"{ Package: 'stx:libview2' }" |
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Object subclass:#ResourceRetriever |
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instanceVariableNames:'className resourceOwner selector labelText resource' |
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classVariableNames:'' |
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poolDictionaries:'' |
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category:'Interface-Support-UI' |
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! |
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ResourceRetriever class instanceVariableNames:'LabelResources' |
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" |
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No other class instance variables are inherited by this class. |
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" |
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! |
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!ResourceRetriever class methodsFor:'documentation'! |
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copyright |
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" |
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COPYRIGHT (c) 1997 by eXept Software AG |
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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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! |
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documentation |
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" |
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ST80 compatibility class. |
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The class is not completed yet and certainly not bug free. |
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Also, it is not guaranteed that all winSpecs are understood. |
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Notice: |
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this class was implemented using protocol information |
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from alpha testers, literature and by reading public domain code |
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- it may not be complete or compatible to |
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the corresponding ST-80 class. |
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If you encounter any incompatibilities, please forward a note |
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describing the incompatibility verbal (i.e. no code) to the ST/X team. |
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[author:] |
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Claus Atzkern |
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[see also:] |
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Application |
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Menu |
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MenuItem |
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" |
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! ! |
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!ResourceRetriever class methodsFor:'instance creation'! |
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icon:anIcon |
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^ self icon:anIcon string:nil |
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! |
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icon:anIcon string:aLabelOrNil |
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|resource| |
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resource := self new. |
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resource icon:anIcon string:aLabelOrNil. |
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^ resource |
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! ! |
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!ResourceRetriever class methodsFor:'accessing-resources'! |
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findResourceLabel:label in:aResourceOwner |
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"look for a string |
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in aResourceOwner, |
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in class of aResourceOwner, |
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in resources of class of aResourceOwner, |
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and finally in my label resources |
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" |
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|resources| |
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aResourceOwner isNil ifTrue: [^label]. |
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label isSymbol ifTrue:[ |
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(aResourceOwner respondsTo: label) ifTrue:[ |
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^ aResourceOwner perform:label |
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]. |
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(aResourceOwner isClass not |
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and: [aResourceOwner class respondsTo: label]) |
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ifTrue:[ |
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^ aResourceOwner perform:label |
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]. |
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]. |
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resources := aResourceOwner perform:#resources ifNotUnderstood:nil. |
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resources notNil ifTrue:[ |
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^ resources string:label |
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]. |
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^ self labelResources string:label |
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! |
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findResourceLabel:label in:aResourceOwner rememberResourcesIn:aValueHolderOrNil |
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"look for a string |
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in aResourceOwner, |
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in class of aResourceOwner, |
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in resources of class of aResourceOwner, |
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and finally in my label resources" |
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|resources| |
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aResourceOwner isNil ifTrue: [^label]. |
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label isSymbol ifTrue:[ |
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(aResourceOwner respondsTo:label) ifTrue:[ |
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^ aResourceOwner perform:label |
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]. |
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(aResourceOwner isClass not and:[aResourceOwner class respondsTo:label]) |
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ifTrue:[ |
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^ aResourceOwner perform:label |
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]. |
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]. |
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|
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resources := aValueHolderOrNil value. |
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resources isNil ifTrue:[ |
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resources := aResourceOwner perform:#resources ifNotUnderstood:nil. |
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resources notNil ifTrue:[ |
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aValueHolderOrNil notNil ifTrue:[ |
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aValueHolderOrNil value:resources |
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] |
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] |
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]. |
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resources notNil ifTrue:[ |
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^ resources string:label |
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]. |
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^ self labelResources string:label |
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! |
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labelResources |
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parents:
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"if not already loaded, get the common label resourcePack and return it" |
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LabelResources isNil ifTrue:[ |
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7bfc5c973c1b
classResources now understood by all classes
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LabelResources := self classResources. |
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]. |
168 |
^ LabelResources |
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! ! |
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171 |
!ResourceRetriever methodsFor:'accessing'! |
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173 |
className |
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"return the value of the instance variable 'className' (automatically generated)" |
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^ className |
177 |
! |
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className:something |
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"set the class which provides the resources |
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" |
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182 |
className := something. |
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183 |
resourceOwner := nil. |
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184 |
! |
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icon:anIcon string:aLabelOrNil |
187 |
resource := anIcon. |
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labelText := aLabelOrNil. |
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! |
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labelText |
192 |
^ labelText |
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! |
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labelText:aText |
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labelText := aText |
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! |
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199 |
selector |
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"return the value of the instance variable 'selector' (automatically generated)" |
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^ selector |
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! |
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selector:something |
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"set the value of the instance variable 'selector' (automatically generated)" |
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208 |
selector := something. |
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! |
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value |
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"returns the value assigned to resource or nil" |
213 |
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|resource| |
215 |
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(resource := self resource value) isNil ifTrue:[ |
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^ labelText |
218 |
]. |
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220 |
(labelText notNil and:[resource isImage]) ifTrue:[ |
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^ LabelAndIcon icon:resource string:labelText |
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]. |
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^ resource |
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"Modified: / 31.10.1997 / 12:10:05 / cg" |
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! ! |
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||
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!ResourceRetriever methodsFor:'accessing-resource'! |
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findGuiResourcesIn:aResourceContainer |
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"setup a resource owner" |
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2e8748cc844b
care for nameSpace when accessing resources from a class
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|ns cls| |
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234 |
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className isNil ifTrue:[ |
236 |
resourceOwner := aResourceContainer |
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1932
2e8748cc844b
care for nameSpace when accessing resources from a class
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parents:
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diff
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237 |
] ifFalse:[ |
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238 |
ns := aResourceContainer class nameSpace. |
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239 |
ns ~~ Smalltalk ifTrue:[ |
1934 | 240 |
ns isNameSpace ifTrue:[ |
1933 | 241 |
cls := ns at:className asSymbol. |
242 |
] ifFalse:[ |
|
243 |
cls := ns privateClassesAt:className asSymbol. |
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244 |
]. |
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1932
2e8748cc844b
care for nameSpace when accessing resources from a class
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cls notNil ifTrue:[ |
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246 |
className := cls name. |
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247 |
] |
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diff
changeset
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248 |
]. |
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249 |
] |
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! |
251 |
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252 |
resource |
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2124 | 253 |
"returns a form assigned to resource or nil" |
254 |
||
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|img cls| |
256 |
||
2903 | 257 |
resource notNil ifTrue:[ |
258 |
^ resource |
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259 |
]. |
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1641 | 260 |
|
1058 | 261 |
selector isNil ifTrue:[ |
2903 | 262 |
^ nil |
1058 | 263 |
]. |
264 |
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265 |
resourceOwner isNil ifTrue:[ |
|
266 |
(resourceOwner := Smalltalk resolveName:className inClass:self class) isNil ifTrue:[ |
|
267 |
^ nil |
|
268 |
] |
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269 |
]. |
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270 |
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271 |
(resourceOwner respondsTo:#visualFor:) ifTrue:[ |
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272 |
(img := resourceOwner visualFor:selector) notNil ifTrue:[ |
|
273 |
^ img |
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274 |
] |
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275 |
]. |
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276 |
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277 |
(resourceOwner respondsTo:selector) ifTrue:[ |
|
278 |
^ resourceOwner perform:selector |
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279 |
]. |
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280 |
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281 |
resourceOwner isClass ifFalse:[ |
|
282 |
cls := resourceOwner class. |
|
283 |
||
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(cls respondsTo:#visualFor:) ifTrue:[ |
285 |
(img := cls visualFor:selector) notNil ifTrue:[ |
|
286 |
^ img |
|
287 |
] |
|
288 |
]. |
|
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(cls respondsTo:selector) ifTrue:[ |
290 |
^ cls perform:selector |
|
2903 | 291 |
]. |
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]. |
293 |
^ nil |
|
294 |
||
295 |
"Modified: / 31.10.1997 / 12:09:52 / cg" |
|
296 |
! ! |
|
297 |
||
298 |
!ResourceRetriever methodsFor:'converting'! |
|
299 |
||
300 |
fromLiteralArrayEncoding:anArray |
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2903 | 301 |
"read my values from an encoding." |
302 |
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className := anArray at: 2. |
304 |
selector := anArray at: 3. |
|
305 |
||
306 |
anArray size == 4 ifTrue:[ |
|
307 |
labelText := anArray at:4 |
|
308 |
]. |
|
309 |
resourceOwner := nil. |
|
310 |
! |
|
311 |
||
312 |
literalArrayEncoding |
|
313 |
"encode myself as an array, from which a copy of the receiver can be |
|
314 |
reconstructed with #decodeAsLiteralArray. |
|
315 |
||
316 |
The encoding is: |
|
317 |
(#ResourceRetriever className selector) |
|
318 |
||
319 |
or if labelText not nil: |
|
320 |
(#ResourceRetriever className selector labelText) |
|
321 |
" |
|
322 |
|myClassName| |
|
323 |
||
324 |
myClassName := self class name. |
|
325 |
labelText isNil ifTrue:[ |
|
326 |
^ Array with:myClassName with:className with:selector |
|
327 |
] ifFalse:[ |
|
328 |
^ Array with:myClassName with:className with:selector with:labelText |
|
329 |
]. |
|
330 |
||
331 |
"Modified: / 26.1.1998 / 13:52:43 / cg" |
|
332 |
! ! |
|
333 |
||
334 |
!ResourceRetriever methodsFor:'testing'! |
|
335 |
||
336 |
isDefined |
|
337 |
"returns true if resource exists |
|
338 |
" |
|
339 |
selector notNil ifTrue:[ |
|
340 |
^ (resourceOwner notNil or:[className notNil]) |
|
341 |
]. |
|
342 |
^ false |
|
343 |
! |
|
344 |
||
345 |
notDefined |
|
346 |
"returns false if resource is not defined |
|
347 |
" |
|
348 |
self isDefined ifTrue:[^ false ] |
|
349 |
ifFalse:[^ true ] |
|
350 |
! ! |
|
351 |
||
352 |
!ResourceRetriever class methodsFor:'documentation'! |
|
353 |
||
354 |
version |
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3306 | 355 |
^ '$Header: /cvs/stx/stx/libview2/ResourceRetriever.st,v 1.15 2014-03-12 17:23:07 stefan Exp $' |
2903 | 356 |
! |
357 |
||
358 |
version_CVS |
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3306 | 359 |
^ '$Header: /cvs/stx/stx/libview2/ResourceRetriever.st,v 1.15 2014-03-12 17:23:07 stefan Exp $' |
1058 | 360 |
! ! |
3306 | 361 |