Re: [e4-dev] A breaking model change

[Eric Moffatt <emoffatt@xxxxxxxxxx>]

Tom, we should also mention the impending
change to the IPresentationEngine API: (Bug 318619)

At the moment there are two 'createGui'
calls. There's one with one argument (the MUIElement) that figures out
the correct parent 'widget' and calls the second one. The change is to
add a third parameter to the second one, allowing the specification of
the 'parent context' as well.

This will allow a 'createGui' to fully
define the information necessary to render the widget. Without this change
we could never (for example) call 'createGui' on an MToolControl that has
not been added to the model's structure.

The new API for the second 'createGui'
would be

createGui(MUIElement element, Object
parentWidget, IEclipseContext parentContext);

If you have renderer implemenations
then they must be updated to use the new API.

OK, given this change I now promise
not to break the model anymore as well...;-).

Eric

From:	Tom Schindl <tom.schindl@xxxxxxxxxxxxxxx>
To:	E4 Project developer mailing list <e4-dev@xxxxxxxxxxx>
Date:	07/05/2010 12:40 PM
Subject:	Re: [e4-dev] A breaking model change
Sent by:	e4-dev-bounces@xxxxxxxxxxx

---

Hi,

todays I-Build will hold the change to parentID => parentId. I case
you've already used the MenuContribution-story you need to update your
.e4xmi and/or ModelProcessor.

Tom

Am 05.07.10 18:16, schrieb Tom Schindl:
> Hi,
> 
> I know we promised to NOT break the model anymore but there is one
small
> inconsitency in MenuContribution#parentID.
> 
> The description of the change is found in
> https://bugs.eclipse.org/bugs/show_bug.cgi?id=318393.
> 
> If you read the bug you'll see that there are other none camel case
> attributes which hold the term URI but they at least follow the
> JDK-style of nameing.
> 
> We believe it is better to fix this at this late point in time. The
> customers for MenuContribution are not too many (probably only the
SDK
> itself).
> 
> Tom
> 


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