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[EMF Forms] View Proxy on feature-level [message #1792865]

Wed, 25 July 2018 08:56

Nikola Veber

Messages: 29
Registered: December 2017

Junior Member

Hi,

I have just looked into the view proxies (and hopefully understood them right)

Is there a way to reuse a view on a feature level?
Assuming I have a type "Comments" contained as a feature in multiple classes. Is there a way to define a e.g. Table for Comments, and reuse them in other views to display the comments feature?

I interpreted it as a feature-level proxy, similar to detailed editing in table, there you can define the details screen.
(maybe this came around in newer versions, I am still at 1.15)

Thanks,
Nikola

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Re: [EMF Forms] View Proxy on feature-level [message #1792951 is a reply to message #1792865]

Thu, 26 July 2018 12:04

Eugen Neufeld

Messages: 169
Registered: May 2015

Senior Member

Hi Nikola,

the ViewProxy is kind of feature bound.
Using the ViewProxy you can embed a predefined View.
As the ViewProxy does not have a DomainModelReference all the classes you want to use the ViewProxy must be SubClasses (in en EMF understanding) of the Class for which you create the ViewProxy.

Eg if you create an interface 'Addressable' with street and city as fields you could define a View for this and reuse this view in all view models for classes which implement this interface, eg a Person.

Cheers,
Eugen

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Eugen Neufeld

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Re: [EMF Forms] View Proxy on feature-level [message #1792960 is a reply to message #1792951]

Thu, 26 July 2018 14:36

Nikola Veber

Messages: 29
Registered: December 2017

Junior Member

Hi Eugen,

good tip! Interfaces didn't cross my mind.

Unfortuanately, I am bound by a schema from which I am generating the model. I couldn't find anything regarding definition of interfaces in XSD here : https://www.eclipse.org/modeling/emf/docs/overviews/XMLSchemaToEcoreMapping.pdf
Will have to check the EMF Bible.

Anyhow, thank you very much for the great advice, I will keep it in mind for the future!

Cheers
Nikola

P.S.
Here is some information about defining interfaces in XSD:
https://www.eclipse.org/forums/index.php/t/133169/

[Updated on: Thu, 26 July 2018 15:11]

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