Ok can you open a ticket on the bugtracker with a description because
this can be fixed easily
isSelf...
^ self isKindOf: Color?
> The problem is in the Transparent color element of the my bad array.
> Transparent color class implements #isSelfEvaluating of that way...
>
> isSelfEvaluating
> ^ self class == Color
>
> That condition dont works in the first element of my bad array.
>
> Regards, and thanks for the help :|
>
>
>
>
> 2009/10/27 Stéphane Ducasse [via Smalltalk] <[hidden email]>
> Apparently you find a problem in self evaluating on color or related.
> Let me explain:
>
> The idea of printing an object is that in some case
> anObject printString let you recreate the object
> example
>
> 1
> true
> #(1)
> #(1 2)
> 1...@50
>
> this means that either you get the same object or when you executed
> its printed representation you get it back.
> This is handy when playing with an inspector or in a workspace
>
> now for array if you get an array of points in the past
> printing it would return
> #(10 #@ 50 20 #@ 50)
>
> which is different from what is was really
> {...@50 . 2...@50}
> or Array new: 2 at:1 put: 1...@50 ; at:2 put: 2...@50
>
> So when an object is selfevaluating it measn that its printed
> representation can be used to recreate it
> When an array contains only self evaluating objects then it is printed
> with { } since it can also be recreated
> now if you get an object inside an array taht is not self evaluating
> then your collection cannot be self evaluating.
> so we say it anarray of ... instead of a #( 10 # @ 20....)
>
> But in your case something went wrong because color and others are
> self evaluating.
> could you provide with a snippet of code that we can check where the
> problem is coming from?
>
> Stef
>
>
> On Oct 27, 2009, at 10:58 PM, nullPointer wrote:
>
> >
> > I don´t understand the behavior of printString method.
> >
> > in a class I define a method #style , which returns an array...
> >
> > style
> >
> > style notNil ifTrue:[ ^style ]
> > ifFalse:[ ^{ self borderColor . self borderWidth . self color .
> > self
> > gradientColor . (self cornerStyle = #rounded) . true }].
> >
> > That method returns many times an Array. If #printString of that
> > array is
> > called the result is...
> > '{Color black. 0. (Color r: 0.892 g: 0.887 b: 0.879). nil. false.
> > true}'
> >
> >
> > Well i have another method with same name in another class
> >
> > style
> >
> > ^{ self borderColor . self borderWidth . self color . self
> > gradientColor .
> > (self cornerStyle = #rounded) . true }
> >
> >
> > but in that case when i call #printString of the Array result ...
> > 'an Array(Color transparent 0 (Color r: 0.827 g: 0.827 b: 0.827) nil
> > true
> > true)'.
> >
> > I don´t understand nothing :| Both are instances of Array, and both
> > is
> > declared of same way.
> >
> >
> > Regards
> >
> >
> > --
> > View this message in context:
> > http://n2.nabble.com/Strange-behavior-of-printString-method-tp3902051p3902051.html
> > Sent from the Pharo Smalltalk mailing list archive at Nabble.com.
> >
> > _______________________________________________
> > Pharo-project mailing list
> > [hidden email]
> > http://lists.gforge.inria.fr/cgi-bin/mailman/listinfo/pharo-project
>
>
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>
> View this message in context: Re: [Pharo-project] Strange behavior
> of #printString method
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