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| Re: Design Question: multiple viewers on one model [message #416138 is a reply to message #416137] |
Fri, 18 January 2008 15:47   |
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Stefan,
May be it's simple to have only one generated model and edit plugin and
have the filtering code somewhere near your viewers. You could wrap your
content and label providers that you pass into your viewers and let the
wrappers do the viewer specific stuff.
Regards,
Eike Stepper
----
http://wiki.eclipse.org/CDO
http://wiki.eclipse.org/Net4j
Stefan Winkler schrieb:
> Hi,
>
> I have an EMF model, for which I want to provide several viewers
> showing different hierarchy levels of that model. I.e. I want to
> create something like the viewers in the Java Browsing perspective,
> which separates the Java Tree into Package, Class and Member viewers.
>
> As far as I understand, a .genmodel can only create one Edit and
> Editor for a model.
>
> So in order to create several viewers, should I create several
> genmodels from the one model and then customize the generated edit(or)
> code in order to limit the items shown or would it be more efficient
> to implement viewers and content providers manually?
>
> Cheers,
> Stefan
Cheers
/Eike
----
http://www.esc-net.de
http://thegordian.blogspot.com
http://twitter.com/eikestepper
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| Re: Design Question: multiple viewers on one model [message #416146 is a reply to message #416138] |
Fri, 18 January 2008 18:16 |
 Ed Merks
Messages: 33142
Registered: July 2009 |
Senior Member |
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Eike,
Yes, I agree. I wouldn't do this as several models. Rather I'd just
specialize the item providers and a corresponding factory to alter the
default behavior, like we did for XSDSemanticItemProviderAdapterFactory
to show a logical structure as opposed to the physical structure...
Eike Stepper wrote:
> Stefan,
>
> May be it's simple to have only one generated model and edit plugin
> and have the filtering code somewhere near your viewers. You could
> wrap your content and label providers that you pass into your viewers
> and let the wrappers do the viewer specific stuff.
>
> Regards,
> Eike Stepper
> ----
> http://wiki.eclipse.org/CDO
> http://wiki.eclipse.org/Net4j
>
>
>
> Stefan Winkler schrieb:
>> Hi,
>>
>> I have an EMF model, for which I want to provide several viewers
>> showing different hierarchy levels of that model. I.e. I want to
>> create something like the viewers in the Java Browsing perspective,
>> which separates the Java Tree into Package, Class and Member viewers.
>>
>> As far as I understand, a .genmodel can only create one Edit and
>> Editor for a model.
>>
>> So in order to create several viewers, should I create several
>> genmodels from the one model and then customize the generated
>> edit(or) code in order to limit the items shown or would it be more
>> efficient to implement viewers and content providers manually?
>>
>> Cheers,
>> Stefan
Ed Merks
Professional Support: https://www.macromodeling.com/
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