[Pharo-users] Spec layout

Marion Noirbent ms.noirbent at etudiant.univ-lille1.fr
Wed May 18 05:31:30 EDT 2016


I was trying to use it but i have still the problem to call the instance 
method from the class side, so i call the buildWithSpecLayout: in the 
method to add buttons in the collection, it seems work but i have an 
"MessageNotUnderstood" RadioButton>>layout:

Le 18/05/2016 09:20, stepharo a écrit :
> marion the solution is what peter proposes.
>
> Stef
>
>
> Le 18/5/16 à 11:14, Marion Noirbent a écrit :
>> In fact i was trying to modify RadioButtonGroup to turn it into a
>> widget, #buttons is not a widget but its collection of widget.
>>
>> May you have confused RadioButtonGroup with the MenuModel /
>> MenuGroupModel / MenuItemModel which are widgets. I take inspiration
>> from them and I would got the same kind of behaviour.
>>
>> Le 17/05/2016 21:11, stepharo a écrit :
>>> Thanks Johan
>>>
>>>
>>> We looked at
>>>
>>> RadioButtonGroupExample
>>>
>>> but you see we cannot have a RadioButtonGroupPresenter having 2, 3 or 4
>>> radioButton.
>>>
>>> Stef
>>>
>>>
>>> Le 17/5/16 à 18:52, Johan Fabry a écrit :
>>>> Hi Marion,
>>>>
>>>> the class side message of defaultSpec is generally meant to be used if
>>>> you use a fixed number of widgets, so you can put the reference to the
>>>> name of each widget there (in cour case #buttons). For variable number
>>>> of widgets you should have a look at the dynamic features of Spec.
>>>>
>>>> That being said, It looks like what you really want to use is a Radio
>>>> Button Group. Have a look at RadioButtonGroupExample.
>>>>
>>>> HTH
>>>>
>>>> --
>>>> Does this mail seem too brief? Sorry for that, I don’t mean to be
>>>> rude! Please see http://emailcharter.org .
>>>>
>>>> Johan Fabry   -   http://pleiad.cl/~jfabry
>>>> PLEIAD and RyCh labs  -  Computer Science Department (DCC)  -
>>>> University of Chile
>>>>
>>>>> On May 17, 2016, at 13:48, Marion Noirbent
>>>>> <ms.noirbent at etudiant.univ-lille1.fr> wrote:
>>>>>
>>>>> Hi,
>>>>> I'm trying to create a widget whith Spec, managing a collection of
>>>>> RadioButton. But I have a problem with defaultSpec (the accessor of
>>>>> the collection is the methods "buttons") :
>>>>>
>>>>> If i put defaultSpec on class side, i can't acces the collection of
>>>>> the instance. (the following code iterate on the string)
>>>>>
>>>>> defaultSpec
>>>>>     <spec: #default>
>>>>>     ^ SpecLayout composed
>>>>>         newColumn: [ :column | #buttons do: [ :item | column add:
>>>>> item ] ];
>>>>>         yourself
>>>>>
>>>>> If i put it on instance side, the lookup don't find it (in the book
>>>>> Building UI with Spec, it said the lookup begin by the instance side
>>>>> and it allow to have specific UI, in part about layout)
>>>>>
>>>>> defaultSpec
>>>>>     <spec: #default>
>>>>>     ^ SpecLayout composed
>>>>>         newColumn: [ :column | self buttons do: [ :item | column add:
>>>>> item ] ];
>>>>>         yourself
>>>>>
>>>>> Any idea ?
>>>>>
>>>>> Marion Noirbent,
>>>>>
>>>>>
>>>>
>>>>
>>>
>>>
>>
>
>

-- 
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