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Subcontainer without semantic element [message #1414098] Sat, 30 August 2014 08:29 Go to next message
Axel Guckelsberger is currently offline Axel GuckelsbergerFriend
Messages: 344
Registered: July 2009
Senior Member
Hi all,

is it possible to have a container (just for grouping sub elements) without
a dedicated metamodel element?

Example use case: a class contains fields and operations. When using a
VerticalStack layout it is desired to have containers for these child
elements instead of having only a class container and direct sub nodes for
fields and operations.

My intermediate solution for this is using sub containers which have [self/]
as semantic element assigned. This works fine except that validation markers
appear on both the class container as well as the child containers.

Thus my question is how this could be improved.

TIA,
Axel
Re: Subcontainer without semantic element [message #1414746 is a reply to message #1414098] Mon, 01 September 2014 07:53 Go to previous messageGo to next message
Alex Lagarde is currently offline Alex LagardeFriend
Messages: 193
Registered: May 2010
Senior Member

Hi Axel,

indeed, Node & Container Mappings must be associated to a semantic
element. So the solution you used (using a sub-container with [self/] as
Semantic Candidate Expression) is the best one I can imagine.

Regards,
Alex


Le 30/08/2014 10:29, Axel Guckelsberger a écrit :
> Hi all,
>
> is it possible to have a container (just for grouping sub elements) without
> a dedicated metamodel element?
>
> Example use case: a class contains fields and operations. When using a
> VerticalStack layout it is desired to have containers for these child
> elements instead of having only a class container and direct sub nodes for
> fields and operations.
>
> My intermediate solution for this is using sub containers which have [self/]
> as semantic element assigned. This works fine except that validation markers
> appear on both the class container as well as the child containers.
>
> Thus my question is how this could be improved.
>
> TIA,
> Axel
>


--
Alex Lagarde - Obeo

Need professional services for Sirius?
http://www.obeodesigner.com/sirius/
Re: Subcontainer without semantic element [message #1415381 is a reply to message #1414746] Tue, 02 September 2014 16:42 Go to previous messageGo to next message
Axel Guckelsberger is currently offline Axel GuckelsbergerFriend
Messages: 344
Registered: July 2009
Senior Member
Hi Alex,

thanks for your advice.

Do you see any possibility to customise the validation marker's behaviour?

Regards,
Axel


Alex Lagarde wrote:

> Hi Axel,
>
> indeed, Node & Container Mappings must be associated to a semantic
> element. So the solution you used (using a sub-container with [self/] as
> Semantic Candidate Expression) is the best one I can imagine.
>
> Regards,
> Alex
>
>
> Le 30/08/2014 10:29, Axel Guckelsberger a écrit :
>> Hi all,
>>
>> is it possible to have a container (just for grouping sub elements)
>> without a dedicated metamodel element?
>>
>> Example use case: a class contains fields and operations. When using a
>> VerticalStack layout it is desired to have containers for these child
>> elements instead of having only a class container and direct sub nodes
>> for fields and operations.
>>
>> My intermediate solution for this is using sub containers which have
>> [self/] as semantic element assigned. This works fine except that
>> validation markers appear on both the class container as well as the
>> child containers.
>>
>> Thus my question is how this could be improved.
>>
>> TIA,
>> Axel
>>
>
>
Re: Subcontainer without semantic element [message #1416078 is a reply to message #1415381] Thu, 04 September 2014 09:22 Go to previous message
Alex Lagarde is currently offline Alex LagardeFriend
Messages: 193
Registered: May 2010
Senior Member

Hi Axel,

not sur I understand your question :
- If you want to customize the validation behavior, you can register you
own EValidator (standard emf validation) or add Validation Rules [1] in
your VSM
- If you want to customize the decorator
(SiriusValidationDecoratorProvider) I'm not sure this is possible. It is
contribued by the org.eclipse.sirius.diagram.ui plugin through the
org.eclipse.gmf.runtime.diagram.ui.decoratorProviders extension point.

Regards,
Alex

[1]
https://www.eclipse.org/sirius/doc/specifier/diagrams/Diagrams.html#validation

Le 02/09/2014 18:42, Axel Guckelsberger a écrit :
> Hi Alex,
>
> thanks for your advice.
>
> Do you see any possibility to customise the validation marker's behaviour?
>
> Regards,
> Axel
>
>
> Alex Lagarde wrote:
>
>> Hi Axel,
>>
>> indeed, Node & Container Mappings must be associated to a semantic
>> element. So the solution you used (using a sub-container with [self/] as
>> Semantic Candidate Expression) is the best one I can imagine.
>>
>> Regards,
>> Alex
>>
>>
>> Le 30/08/2014 10:29, Axel Guckelsberger a écrit :
>>> Hi all,
>>>
>>> is it possible to have a container (just for grouping sub elements)
>>> without a dedicated metamodel element?
>>>
>>> Example use case: a class contains fields and operations. When using a
>>> VerticalStack layout it is desired to have containers for these child
>>> elements instead of having only a class container and direct sub nodes
>>> for fields and operations.
>>>
>>> My intermediate solution for this is using sub containers which have
>>> [self/] as semantic element assigned. This works fine except that
>>> validation markers appear on both the class container as well as the
>>> child containers.
>>>
>>> Thus my question is how this could be improved.
>>>
>>> TIA,
>>> Axel
>>>
>>
>>
>


--
Alex Lagarde - Obeo

Need professional services for Sirius?
http://www.obeodesigner.com/sirius/
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