Re: BImage ?

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At 01:10 AM 12/9/2006, you wrote:
 >Jacob Kjome a =E9crit :
 >> Now, as far as actually developing the=20
component, I don't think it's going to
 >> happen unless it is contributed.  Are you volunteering to do the work?
 >>
 >Sure, I am... In fact I already made one, but I still need to test it.
 >In fact it is quite simple. Right now, it only has two parameters, that
 >is 'alt' and 'url'. Both are strings, so I don't try to see if the image
 >file is actually there...
 >As soon as it is tested, I'll send it to the list.
 >
 >
 >By the way, I am also back on nestable components... The idea is to take
 >BContainer parent/childs structure into account to render nested
 >components, just like this :
 >
 >BInput binput =3D new BInput(BInput.TEXT, "inputId", null);
 >BImage calimage =3D new BImage("calendar", "images/cal.png");
 >calimage.addChild(new BScript("calscript");
 >binput.addChild(calimage);
 >BLabel blabel =3D new BLabel("User label : ",binput.getId);
 >blabel.addChild(binput);
 >
 >This is much less flexible and generic than the approach you described,
 >from the designer point of view, but would allow for more complex
 >components (like BCalField component that could embed this kind of
 >logic). In a large app, it could provide more consistency in the UI.
 >
 >To do this, I think I need a rendering logic that would call
 >createDefaultNode recursivly on every child of the main component. In
 >fact, it is not far from what is done in BList renderer... I will try it
 >further, and will alos probably come back to the list with questions :)
 >
 >Any comments on that ?
 >

It all sounds interesting.  The fact that=20
Barracuda's core components are designed to be=20
very flexible and generic shouldn't stop people=20
from developing custom components.  What I'm=20
interesting in finding out is whether you need to=20
make changes to Barracuda's core in order to do=20
what you want?  I made some changes a while back=20
to add a BCompoundComponent interface, which=20
prevents rendering code from having to check for=20
instanceof of specific component implementations,=20
such as BList, BTable, and BTemplate.  It allows=20
other components with similar compound structures=20
to implement the same interface and pass through=20
the rendering code successfully, in the same way=20
as said components.  I'm not sure if this applies=20
in your situation, but just wanted to make sure you knew about that.

As far as providing super specific components for=20
public use, I think we might want to separate=20
that from the core but, at the same time, make=20
sure the core can fully support custom=20
components.  We might also want to consider doing=20
more with AJAX and plain javascript=20
components.  Seems to me one could keep things=20
very generic on the server side components and=20
apply some javascript component over a simple=20
list, and make that list do all kinds of funky UI-related things.

Anyway, let us know how it goes.

Jake

 >Franck
 >> Jake
 >>
 >> Quoting Franck Routier <[email protected]>:
 >>
 >>
 >>> Hi all,
 >>>
 >>> has anyone thought about a BImage component ?
 >>>
 >>> Something like new BImage(String altAttribute, String url) + height,
 >>> width, ...
 >>>
 >>> Would it make sense, or is it just one of these 'just do it with
 >>> dom/BText' things ?
 >>>
 >>> Franck
 >>>
 >>>
 >>>
 >>
 >>
 >>
 >>
 >>
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 >>
 >>
 >>
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 >>
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 >>
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 >>
 >>
 >
 >
 >
 >
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 >Barracuda mailing list
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