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Diya-API/Diya/DiyaStyle.class.st

42 lines
714 B
Smalltalk

Class {
#name : #DiyaStyle,
#superclass : #DiyaBaseObject,
#instVars : [
'parent',
'style'
],
#category : #'Diya-UIThemes'
}
{ #category : #accessing }
DiyaStyle >> at: name ifAbsent: aBlock [
|value|
value := style at: name ifAbsent:[nil].
value ifNotNil: [ ^value ].
parent ifNil: [ ^aBlock value ].
^ parent at:name ifAbsent: aBlock.
]
{ #category : #accessing }
DiyaStyle >> at: name put: value [
style at: name put: value
]
{ #category : #initialization }
DiyaStyle >> initialize [
super initialize.
style := Dictionary new.
parent := nil
]
{ #category : #accessing }
DiyaStyle >> parent [
^ parent
]
{ #category : #accessing }
DiyaStyle >> parent: anObject [
parent := anObject
]