Improving Magritte

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Improving Magritte

DiegoLont
Hi all,

Recently there was a question about Magritte extensions on the Pharo users list. It has been a while that I was really involved in developing on (QC)Magritte and doing stuff on the web, but on my todo list, there is feeding back the improvements on Magritte I have made for QCMagritte to Magritte itself. And while doing so, adding tests and cleaning up code where needed.

The first extension I would like to feed back into Magritte is the Builder.

The background of the builder is the following:
- Having a custom component set, and wanting to use this custom component set can be very tiresome for larger applications, because you have to set a component class for all descriptions.
- Also it breaks the layering Magritte is trying to build in, as you need to "pollute" your model descriptions, with all kind of stuff, that determine how everything looks like. With stuff that belongs in your UI code instead of your model code.
I believe that the builder is a solution for this problem. The actual builder can be injected as an extension (for an example see the QCMagritte demo) and processes all descriptions. As it is a visitor, it can replace or enrich your descriptions with whatever you need in your UI based on the type of description.

The builder affects the way the Magritte description is created, so the package contains an override of magritteDescription. If I would implement this on Object (the most logical point), I would need to put the builder into Magritte-Model. Having no builders, this would of course not affect the returned description. Does anyone object to putting this here? And if you have objections, do you have a suggestion to do this elsewhere?

Cheers,
Diego
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Re: Improving Magritte

Sean P. DeNigris
Administrator
DiegoLont wrote
> Does anyone object to putting this here? And if you have objections, do
> you have a suggestion to do this elsewhere?

Sounds interesting. Can you link to a simple example we can play with which
illustrates the motivation and usage?



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Cheers,
Sean
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Sent from: http://forum.world.st/Magritte-Pier-and-Related-Tools-f115649.html
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Magritte, Pier and Related Tools ...
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Cheers,
Sean