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Parts nested within of a SWT Widget? [message #991173]

Mon, 17 December 2012 10:35

Alex Kipling
Messages: 212
Registered: July 2012

Senior Member

Is it possible to nest Model elements (Parts) within of SWT widgets?

The background of the question: I have my own SWT Widget, which provides the container for my application. Inside of this Widget I would add some parts.

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Re: Parts nested within of a SWT Widget? [message #991180 is a reply to message #991173]

Mon, 17 December 2012 10:47

Dirk Fauth
Messages: 525
Registered: July 2012

Senior Member

Well, as a part is a POJO, you can reuse it wherever you want. But I guess then it wouldn't be a part anymore in terms of the application model. Wink

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Re: Parts nested within of a SWT Widget? [message #991293 is a reply to message #991173]

Tue, 18 December 2012 06:57

Alex Kipling
Messages: 212
Registered: July 2012

Senior Member

Ok, maybe I should reformulate my question:

I have a hierarchy of parts.

part1
-> part2
--> part3
--> part4
--> part5

I have some custom behaviour for the part2. For now I have an SWT Widget, which behaves like that.

Is it possible to implement an own part container?
One which would layout parts,
which could be added to the model.
With other words - is it possible to turn an SWT Widget into a PartContainer?

[Updated on: Tue, 18 December 2012 06:57]

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Re: Parts nested within of a SWT Widget? [message #991294 is a reply to message #991293]

Tue, 18 December 2012 07:00

Sopot Cela
Messages: 448
Registered: December 2010

Senior Member

There is a class (renderer class) which transforms a MPart into a SWT composite (ContributedPartRenderer). Override that? http://www.vogella.com/articles/Eclipse4Renderer/article.html It's not trivial but you have unlimited power.

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Re: Parts nested within of a SWT Widget? [message #991362 is a reply to message #991294]

Tue, 18 December 2012 12:36

Alex Kipling
Messages: 212
Registered: July 2012

Senior Member

And will it be possible to use my own containers inside the e4 Application Model editor? Where do the Modelconteiners inside the Editor come from?

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Re: Parts nested within of a SWT Widget? [message #991386 is a reply to message #991362]

Tue, 18 December 2012 15:39

Sopot Cela
Messages: 448
Registered: December 2010

Senior Member

Modelconteiners? You mean those elements in the tree on the left?

You of course can extend the model, provide your own MMyFancyPartStack or MCustomPart and provide a renderer for it to tell the framework how to translate the model into a widget. If you want editor support in the tooling for your new model element you can supply an extension to tell the e4 editor how to edit it.

For the first and second you can find tutorials online. For the editor support I implemented a sample one here https://github.com/semanticsoft/vaaclipse/pull/4

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Re: Parts nested within of a SWT Widget? [message #991490 is a reply to message #991386]

Wed, 19 December 2012 08:26

Alex Kipling
Messages: 212
Registered: July 2012

Senior Member

Thnk you very much!

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