Re: [e4-dev] Working with modeled UI and HEAD

[Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>]

Am 29.11.10 17:10, schrieb Paul Webster:
> On Sat, Nov 27, 2010 at 5:05 AM, Tom Schindl
> <tom.schindl@xxxxxxxxxxxxxxx <mailto:tom.schindl@xxxxxxxxxxxxxxx>> wrote:
> 
>     The Addon-Element is generally a problem in this sense. What about the
>     following.
> 
>     a) The addons are contributed through a ModelProcessor
>     b) The model processor checks if there is a tag for the addon in the
>       MApplication-Element e.g.:
>       addon:org.eclipse.e4.ui.workbench.addons.swt:DnDAddon
>       addon:org.eclipse.e4.core.commands:CommandServiceAddon
>       ...
>       and only then contributes this addon.
> 
>     This way the one defines the Addon-Handler-Class is also the one who
>     contributes the
>     addon-element.<https://dev.eclipse.org/mailman/listinfo/e4-dev>
> 
> 
>  
> The problem with extension points is they are read in an arbitrary
> order.  Control of the ordering of this kind of thing has been a
> complaint on the RCP and/or Product side for a long time.  If they go in
> the model, then document order controls them.
> 

That's not completely true in the our ModelAssembler we do a sorting by
evaluating the dependencies between the contributing bundles.

So if e.g. keybindings has a dependency on commands e.g. then it is
guaranteed by this algorithm that the commands contributions are
processed before the keybindings ones!

I think Oleg or Brian wrote the algorithm.

Tom

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