[Seaside] #render: or #call: components.

[stephane ducasse]

then your children should return this new component.

stef
On Apr 29, 2008, at 2:43 AM, David Zmick wrote:

> I know that this is probably a very bad practice, but I have  
> initialized component, eg. a instance variable 'bodyComp'
>
> ok, I will show some code:
>
> RootComponent>>initilaize
>    super initialize.
>    self bodyComp: BodyComponent new.
>
> RootComponent>>renderContentOn: html
>    "all the head stuff"
>     bodyComponent renderContentOn: html
>     "etc."
>
> I was wonderering how this was "correctley" done the other day, so  
> I'm glad this thread popped up..  What is bad about my method, if  
> anything, I just think it seems a little hackish...
> ty
>
>
>
> On Mon, Apr 28, 2008 at 9:27 AM, John Thornborrow  
> <john at pinesoft.co.uk> wrote:
> Yes, that was what I intended, my example was merely a demonstration  
> of #onAnswer:
>
> John.
>
>
> Lukas Renggli wrote:
>  MyParentComponent>>renderContentOn: html
>  html render: (
>    ChildComponentA new
>      onAnswer: [ :val | self answer: val ];
>      yourself).
>  html render: (
>    ChildComponentB new
>      onAnswer: [ :val | self answer: val];
>      yourself)
>
> No component instantiation in the render method! Like this you get new
> components every time you hit refresh or perform an action on the
> page. This certainly does not work as expected.
>
> You probably want something like this:
>
> MyPageComponent>>initialize
>    super initialize.
>    childA := ChildComponentA new
>       onAnswer: [ :val | self answer: val ];
>       yourself.
>    childB := ChildComponentB new
>       onAnswer: [ :val | self answer: val ];
>       yourself.
>
> MyPageComponent>>children
>    ^ Array with: childA with: childB
>
> MyPageComponent>>renderContentOn: html
>    html render: childA.
>    html render: childB
>
> Lukas
>
>
> -- 
> John Thornborrow
> http://www.pinesoft.co.uk
>
>
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> David Zmick
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