Re: [e4-dev] More Model Question and Proposals

[Eric Moffatt <emoffatt@xxxxxxxxxx>]

I think you're correct that MPerspective
should not be MPSCElement, its only correct location is directly under
some MPerspectiveStack (which should be restricted to *only* MPerspectives)..

The reason that MWindow is an MPSCElement
is that we have to support 'detached' windows. This means that MWindow
has to be able to be contained in other MWindow's children lists (in the
legacy code they're actually children of some MPerspective). 

We are trying to support two different
styles; basic e4 and legacy eclipse and I think that some of the confusion
comes from there. It reasonable (I think) that an RCP app may want to define
'satellite' (floating) windows otherwise I may have defined MWindow as
only being 'legal' under MPerspective. 

Tom, which of our elements do you see
as being MWindowElement rather than MPSCElement ? We should see if we can
define what each separate element *should* contain, once we know that then
setting up the containment in the model will follow naturally. One way
to look at this is to ask "If i right-click on an element in the model
editor which elements should be in the 'Add' menu?".

Eric

From:	Remy Suen/Ottawa/IBM@IBMCA
To:	E4 Project developer mailing list <e4-dev@xxxxxxxxxxx>
Date:	03/11/2010 07:58 AM
Subject:	Re: [e4-dev] More Model Question and Proposals
Sent by:	e4-dev-bounces@xxxxxxxxxxx

---

On Wed, Mar 10, 2010 at 5:44 PM, Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>
wrote:
> I think MPerspective and MWindow have NO reason to be a MPSCElement.
>
> I'm not sure about MPerspectiveStack yet but probably a good thing
> would be to introduce a MWindowElement-Interface similar to MPSCElement.
>
> This would give us:
>
> ---------8<---------
> + UElement
> + MWindowElement
> + MPerspectiveStack
> + MPSCElement & MWindowElement
> + MPart
> + MPartSashContainer
> + MPartStack
> ---------8<---------

MWindow is currently an MElementContainer<MPSCElement>. This suggested
change would mean an MWindow is an MElementContainer<MUIElement>
I guess?

Regards,
Remy

----------
Remy Suen
Eclipse Platform/UI Committer
IBM Ottawa
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