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GRSignPrinter.class.st
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37 lines (31 loc) · 836 Bytes
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Class {
#name : #GRSignPrinter,
#superclass : #GRPrinter,
#instVars : [
'negativePrinter',
'positivePrinter'
],
#category : #'Grease-Core-Text'
}
{ #category : #initialization }
GRSignPrinter >> initialize [
super initialize.
self negativePrinter: $-.
self positivePrinter: nil
]
{ #category : #accessing }
GRSignPrinter >> negativePrinter: aPrinter [
"The printer to be used when the number is negative."
negativePrinter := aPrinter
]
{ #category : #accessing }
GRSignPrinter >> positivePrinter: aPrinter [
"The printer to be used when the number is zero or positive."
positivePrinter := aPrinter
]
{ #category : #printing }
GRSignPrinter >> print: anObject on: aStream [
anObject negative
ifTrue: [ negativePrinter print: anObject on: aStream ]
ifFalse: [ positivePrinter print: anObject on: aStream ]
]