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Re: [e4-dev] how to contribute to toolkit model ? 
so the TM project is not needed at all ?


Il giorno 01/set/09, alle ore 14:44, yves.yang@xxxxxxxxxxx ha scritto:


Hi giorno,


i would prefer to be able to use an already known way (EMF) to access
the model at runtime instead of using a new API  (XWT).
I know you are a fan of EMF. So I'm. I think you should request SWT team 
to reimplement SWT in EMF.

Best regards
Yves YANG
Il giorno 01/set/09, alle ore 12:14, yves.yang@xxxxxxxxxxx ha scritto:
I'm not sure to understand. In XWT is possible to use user defined UI 
element without deploy ?



Yes, exactly. It is in my demo for e4 presentation.
I'm an EMF lover. I have used and will use EMF as much as I can. But 
I'm not
blindly to use it anywhere. Typically, we have an eclipse modeling
project
for UI (named PMF) that relies on EMF. But EMF solution for
declarative UI
has more cons then pros from the industry point of view:
1. Introduce another programming APIs for dynamic aspect, not
traditional
SWT/JFace APIs
2. The Interface/Implementation/Factory pattern has a limited
benefice
for declarative UI in eclipse/e4 context
   It reduces directly the extensibility and flexibility. 1
i'm not bindly to use it anywhere. but i'm bindly to use when i have 
to manage data model and IMHO ui parts are data model.

Using emf not introduce another programming API but instead use the
same as the modeled workbench



The purpose of workbench is to manage the view part in eclipse. It
doesn't
deal with the detail content of each part. As said Kevin, in most of
case,
we don't need to touch it.

But for the content view of parts, it is different. We need to
handle the
events and manage the dynamic aspect all time by programming. So for
UI
programmer, he/she has to learn a new API, instead of SWT.


the use of emf formalize a standard way to access and interact with
your model. this mean to simplify the things. SWT is much more
difficult, no ?






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